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Avaya Configuring Line Services User's Manual

1. LS0005A Figure 2 7 Token Ring LAN Data Flow and Media Access Control Devices on a Token Ring network get access to the media through token passing Token and data pass to each station on the ring as follows 1 The devices pass the token around the ring until one of them needs to transmit data The device that wants to transmit takes the token and replaces it with a frame Each device passes the frame to the next device until the frame reaches its destination As the frame passes to the intended recipient the recipient sets certain bits in the frame to indicate that it received the frame The original sender of the frame strips the frame data off the ring and issues a new token 2 14 114078 Rev A About Line Protocols Overview of WAN Protocols There are several types of router circuits that support communication between two points on a WAN This section provides information on these WAN circuits e El Overview e HSSI Overview ISDN Overview e Link Access Procedure Balanced LAPB Protocol Overview e MCEI and MCTI Overview e Synchronous Overview TI Overview Note For information on ATM ARE or FRE 2 circuits see the Configuring ATM Services guide For information on ATM Data Exchange Interface DXI see Configuring ATM DXI Services ATM DXI operates over HSSI or synchronous interfaces E1 Overview El services use digital signals to allow two
2. Setting the Reservation Latency 8 6 114078 Rev A Managing Line Resources Setting the Estimated Bandwidth To activate resource reservation enter the portion of this line s bandwidth to make available for ST2 requests for guaranteed service Enter an estimated total bandwidth for this line from 0 through 214748364 bits s To enable line resource management enter a value greater than zero For point to point lines you can usually enter the total line speed For an Ethernet line you must estimate a value because shared media lines may not have all of the bandwidth available Base the estimate on line statistics the number of connected workstations or other site specific information You can set the Estimated Bandwidth for this interface Site Manager Estimated Bandwidth parameter page A 75 Setting the Reservable Bandwidth To enable ST2 reservable resources specify the portion of this line s bandwidth to make available for ST2 requests for guaranteed service The value can be any value from 0 through 214748364 bits s and must be less than the value of the Estimated Bandwidth parameter Caution Never make all available bandwidth reservable Leave at least 15 percent of bandwidth available for network management routing protocols and other best effort traffic You can set the Reservable Bandwidth for this interface Site Manager Reservable Bandwidth parameter page A 75
3. Site Manager Hardware Filter parameter page A 7 114078 Rev A 3 9 Configuring Line Services Editing FDDI Station Management Attributes The SMT standard defines the protocols for managing the Physical Layer Media Dependent PMD the Physical Layer Protocol PHY and the Media Access Control MAC components of FDDI The SMT protocols monitor and control the activity of each node on the ring For more information see FDDI SMT in Chapter 2 To edit the SMT attributes for an FDDI line 1 Click on Expert at the Edit FDDI Parameters window The FDDI Advanced Attributes window appears Figure 3 4 Done SMT Attributes Path Attributes MAC Attributes Port Attributes Figure 3 4 FDDI Advanced Attributes Window affect the operation of your FDDI network You should understand how to use each of these parameters to improve network performance before you modify any of them Caution Changing any of the FDDI Advanced Attributes parameters will 2 Click on SMT Attributes The FDDI SMT Attributes window appears Figure 3 5 3 10 114078 Rev A Customizing LAN Interfaces FDDI SMT Attributes Cancel OK Values Help Connection Policy xf f65 T_Notify Timeout s 22 Trace Max Expiration ms 7000 Status Report Protocol ENABLE Duplicate User Data Figure 3 5 Address Protocol ENABLE FDDI SMT Attributes Window Specifying the SMT Connection Polic
4. Site Manager Enable parameter page A 27 Enabling or Disabling CRC Checking Some E1 equipment expects a 4 byte Cyclic Redundancy Check CRC trailer at the end of each frame You can configure this interface to add the CRC trailer to received frames by enabling it as aa CRC Line Type Site Manager Line Type parameter page A 28 By default the CRC trailer is not added to received E1 frames Set CRC Checking to EICRCA if the E1 equipment expects a 4 byte CRC trailer at the end of each frame Enabling or Disabling High Density Bipolar Coding El uses bipolar format for signals In bipolar format alternating positive and negative pulses on the digital line signify the number one and the absence of a pulse signifies zero A negative pulse must always follow a positive pulse and vice versa High Density Bipolar Coding HDB35 is a mechanism to maintain sufficient 1s density within the E1 data stream Refer to the Bipolar Format in Chapter 2 for more information 4 10 114078 Rev A Customizing WAN Interfaces HDB3S support is disabled by default You can enable or disable High Density Bipolar Coding on this interface depending on the ability of the associated E1 equipment to support HDB3S Site Manager HDB3S Support parameter page A 27 Setting the Clock Source The E1 equipment associated with an E1 interface must use a compatible transmit clock The E1 interface supports three sou
5. 114078 Rev A 6 17 Configuring Line Services Customizing Logical Lines After you finish adding the logical lines for a non PRI interface the MCElor MCT1 Logical Lines window displays each logical line refer to Figure 6 8 This window also displays the parameter values for the highlighted logical line Use the scroll bar in the Logical Lines window to view additional logical line parameters To edit parameters for a logical line 1 Select the line and circuit name from the logical line list Site Manager displays the circuit s parameters 2 Edit the parameters that you want to change See the following sections Enabling or Disabling the Logical Line Enabling or Disabling Breath of Life BofL Messages Setting the BofL Timeout Enabling or Disabling Diagnostic Loopback Viewing the Configured WAN Protocol Setting the HDLC Service Type Setting the Local HDLC Address Setting the Remote HDLC Address Setting Rate Adaptation Setting the Interframe Time Fill Pattern Setting the CRC Size Setting the MTU Size Enabling or Disabling Remote Loopback Detection Enabling or Disabling BERT Mode QMCTI only Setting the BERT Test Pattern QMCT1 only Enabling or Disabling Fractional T1 Loopback Code QMCT1 only Accessing Line Resource Reservation QMCT1 only 3 Click on Apply 6 18 114078 Rev A Configuring MCE1 and MCT1 Interfaces Enabling or Disabling the Logical Line The logical line is enabled by
6. Editing ATM ARE Lines Editing ATM FRE 2 Lines Editing E1 Lines Editing HSSI Lines Editing T1 Lines To edit asynchronous LAPB and synchronous line services see Chapter 5 To edit Multichannel E1 MCE1 and Multichannel T1 MCT1 lines see Chapter 6 To edit line details for ATM DXI follow the procedure for customizing HSSI lines later in this chapter or synchronous lines in Chapter 5 Editing ATM ARE Lines The type of ATM link module that you use in your router determines how you edit the line details For information about selecting and configuring ATM link modules refer to Configuring ATM Services This section describes how to edit line details for these ATM ARE link modules AG13110112 ARE OC 3 MM AG13110113 ARE OC 3 SM AG13110114 ARE DS3 AG13110115 ARE E3 114078 Rev A 4 1 Configuring Line Services You can edit ATM ARE line parameters for e Enabling or Disabling the ATM ARE Driver e Setting the Maximum Transmission Unit MTU e Enabling or Disabling Data Path Notify e Setting the Data Path Notify Timeout e Enabling or Disabling the SVC Inactivity Timeout Setting the SVC Inactivity Timeout e Setting the Framing Mode e Setting the Clock Source e Setting the Physical Line Length DS3 Modules Only e Enabling or Disabling DS3 E3 Scrambling Enabling or Disabling the ATM ARE Driver By default the router enables ATM ARE line services when you add the interface to the configuration file You c
7. Specifying the Traffic Queuing Algorithm By default LRM uses best effort scheduling for all reserved traffic The resource reservation protocol ST2 controls admission of flows to the network but does not explicitly schedule each flow s packets 114078 Rev A 8 7 Configuring Line Services You can select a priority queuing algorithm to schedule reserved traffic ahead of non reserved traffic Set the Traffic Queuing Algorithm to None best effort scheduling for reserved traffic or Priority reserved traffic ahead of non reserved for this interface Site Manager Traffic Queuing Algorithm parameter page A 76 Specifying the Policing Algorithm By default LRM does not check ST2 packets against the flowspec policing This assumes that an upstream router is policing traffic or the applications generating the reserved traffic consistently adhere to the flowspec and do not require policing When using the Leaky Bucket policing algorithm for reserved traffic LRM makes sure that all ST2 packets using reserved bandwidth follow the flowspec that appears in the ST2 connect request LRM discards any packets that do not adhere to the flowspec Note that Leaky Bucket policing requires additional processing by the router You can set the Policing Algorithm for this interface Site Manager Policing Algorithm parameter page A 76 Setting the Bandwidth Interval By default LRM measures instantaneous
8. sssssssss 4 4 Enabling or Disabling D5S3 ES Scrambling 22 t eit Dl i nte eds 4 5 Editing ATM PRES LINES susini E T E E 4 6 Enabling or Disabling an ATM FRE 2 uit sc cccsiionsssacstecstvecntiecencocatwonddacuencessanieiasts 4 6 Setting the Maximum Transmission Unit MTU sss 4 7 Enabling er Disabling Data Pathi Noty 2i ocu deci t Co odas ee bait rend bibe te pu obti aiia 4 7 Setting me Bata PathiWetify TITBOHT uice rece rrr HR eh ree et cete 4 7 Enabling or Disabling the SVC Inactivity Timeout sseseeeeeee 4 7 e ueg E 9d evan 4 8 Editing ATMIALG Physical AIIBUleS icai cor teer tet st en Rein Porte 4 8 Sungha Fremng Ma sasie ais 5 cee saad br o PUISEdr a opr tinue Nandan 4 8 Enabling or Disabling Scrambling x22 heroe b eager d eie MUR ERR od aL M ade 4 9 Enabling or Bissblnig EDODDSOK ncccimcusan nui pae QU Re tig ug E ez dude 4 9 Configuring Cell Insertion T E E E UL ctus 4 9 Em ET CNO aana N 4 10 E abimg or Essa mining ETLE ssis iisa ainiin tix duck taa Frase da td dud 4 10 Enabling or Disabling CAC CHECKING issu iiio intera le sirop ent birra Sce Rag tides 4 10 Enabling or Disabling High Density Bipolar Coding ssssesss 4 10 Setting the Clock SOUFGB 1 tires m T 4 11 Assigning Channel FCS sserccstiaiectnccs idcsseetanqon cris sciageel satuutdgbeldeniventesacsenteiyaltuees 4 11 CCT PS CRNA SIN siirsin scene eri dne Pisana Kudos cad Et
9. 1 3 6 1 4 1 18 3 4 23 2 1 1 14 Data Path Notify Timeout ATM Connector gt Line Attributes gt ATM ALC Parameters 1 second 0 to 3600 seconds Defines the time the router waits before disabling the data path interface when you disconnect the cable from the ATM module providing that you set the Data Path Enable parameter to Enable Accept the default or enter an appropriate time value 1 3 6 1 4 1 18 3 4 23 2 1 1 15 A 24 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters SVC Inactivity Timeout Enable ATM Connector gt Line Attributes gt ATM ALC Parameters Enable Enable Disable If you select Enable the router disables any SVC on which the router receives or transmits no cells for the number of seconds you specify using the SVC Inactivity Timeout Secs parameter If you select Disable the router keeps SVCs open unless you close them by another method Select Enable or Disable 1 3 6 1 4 1 18 3 4 23 3 2 1 13 SVC Inactivity Timeout Secs ATM Connector gt Line Attributes gt ATM ALC Parameters 1200 seconds 60 to 3600 seconds If the router receives or transmits no cells on an SVC for this number of seconds it closes the SVC providing that you set the S
10. MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Initiate Link Setup Action COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Active Active Passive Identifies whether or not the router initiates link setup or waits for the network to initiate Enter Active if you want the router to initiate link setup or Passive if you want the network to initiate link setup 1 3 6 1 4 1 18 3 5 1 8 1 16 Enable Rx Tx of XID Frames COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Disable Enable Disable Enables or disables the transmission and reception of test exchange identification XID frames by the router Select Enable to allow the router to send XID frames Select Disable to prevent the router from sending XID frames 1 3 6 1 4 1 18 3 5 1 8 1 17 Command Response Address COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters DTE DTE DCE Specifies the local command or response address which is the DTE or DCE value expressed as a single octet Enter DTE for the DTE address or DCE for the DCE address 1 3 6 1 4 1 18 3 5 1 8 1 18 A 36 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options F
11. The Auto Negotiation State Information window closes and negotiation or data transmission continues e If there is a problem with the line click on Restart This action resets all automatic line negotiation parameters and restarts the line negotiation process 114078 Rev A 3 7 Configuring Line Services Editing FDDI Lines The following sections describe the FDDI line parameters that you can edit e Enabling or Disabling the FDDI Interface e Enabling or Disabling Breath of Life Messages e Setting the BofL Interval e Enabling or Disabling Hardware Filtering e Editing FDDI Station Management Attributes e Enabling or Disabling Media Access Control LLC e Editing FDDI Path Attributes e Editing FDDI Port Attributes Note For information on FDDI see FDDI Overview in Chapter 2 Enabling or Disabling the FDDI Interface The router enables FDDI line services when you add the interface You can disable and reenable the interface without moving physical cables Site Manager Enable parameter page A 4 Enabling or Disabling Breath of Life Messages With Breath of Life BofL enabled the router sends polling messages from this interface to all systems on the local network BofL messages signify that the FDDI interface is up and functioning normally With both this parameter and the LLC Data Enable parameter enabled the router disables the LLC interface after the time you
12. lt gt Oms 25ms 1336 9344 ms LS0015A Figure 3 7 Range of Values for FDDI Path Attributes 114078 Rev A 3 15 Configuring Line Services To edit the path attributes for an FDDI line 1 Click on Expert at the Edit FDDI Parameters window The FDDI Advanced Attributes window appears see Figure 3 4 2 Click on Path Attributes The FDDI Path Attributes window appears Caution Be extremely careful when editing FDDI path parameters such as Requested TTRT You should change the default values only if the network is part of a production or other specialized environment that requires customizing the parameters Specifying the Requested TTRT The Requested TTRT value must be e Greater than the minimum Valid Transmission Time TV X specified with the TVX Lower Bound parameter e Less than or equal to the maximum TTRT T Max Lower Bound parameter Refer to Figure 3 7 for the valid range of values for Requested TTRT in relation to the other TTRT parameters Site Manager Requested TTRT ms parameter page A 10 Specifying the Minimum Valid Transmission Time The minimum TVX must be e Greater than zero e Less than the Requested TTRT value By default the minimum TVX is 2 5 ms Refer to Figure 3 7 for the range of values for TVX Lower Bound in relation to the other TTRT parameters Site Manager Tvx Lower Bound ms parameter page A 9 3 16 114078 Rev A Customizing LA
13. Configuring Line Services Router Software Version 11 0 Site Manager Software Version 5 0 Part No 114078 Rev A August 1996 Bay Networks ES Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1996 Bay Networks Inc All rights reserved Printed in the USA August 1996 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction an
14. Configuring Line Services If you have configured both synchronous ports disable this parameter first on the synchronous interface that is either running at a lower clock speed or carries lower priority traffic You should disable this parameter on both synchronous interfaces only if those interfaces are DSDE configurations and you configured both Ethernet interfaces In these configurations disable this parameter on both synchronous interfaces if disabling it on only one interface does not eliminate the excessive TxUflo or RxOflo errors on the two Ethernet interfaces You can enable or disable DMA Burst cycles for the interface Site Manager Burst Count parameter page A 59 Specifying the Link Level Protocol The Service parameter specifies the link level protocol for this interface You can set the link level protocol to e Transparent LLCI LAPB The synchronous interface is configured for LLC1 by default If you set this parameter to Transparent then raw HDLC mode is in effect LLCI specifies connectionless datagram service it prefixes the HDLC address and control fields to the frame If X 25 is enabled on this line this parameter must be set to LAPB You can set the link level protocol for the interface Site Manager Service parameter page A 60 Setting the Transmit Window Size The Transmit Window Size parameter controls the number of I frames that can be transmitted without acknowledgme
15. Disable Enable Disable Selecting Enable activates BERT mode To enter BERT mode select Enable and click on Apply You can only configure this parameter for QMCT1 link modules 1 3 6 1 4 1 18 3 4 9 6 1 62 BERT Test Pattern Configured QMCTI Connector gt MCT1 Logical Lines Ones Zeros Ones QRSS 2e15 2e15 Inverted 2e20 2e23 2e23 Inverted Specifies the bit pattern transmitted during BERT diagnostics When a port is in BERT mode it can generate patterns such as all 1s all Os or a QRSS quasi random signal sequence pattern Select a test pattern and click on Apply You can only configure this parameter for QMCTI link modules 1 3 6 1 4 1 18 3 4 9 6 1 63 A 42 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Accept Fractional Loopback Code Configured QMCTI Connector in Dynamic Mode gt MCTI Logical Lines Enable Enable Disable Determines whether or not the logical line can accept fractional T1 loopback code Select Enable or Disable You can only configure this parameter for QMCT1 link modules 1 3 6 1 4 1 18 3 4 9 6 1 MCE 1 Port Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the MCEI port parameters from the Configuration Manager Port Application Mode Unconfigured MCE1 Connector gt Port Application NONPRI NONPRI PRI Specifie
16. Enable Disable MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Enable Enable Disable Enables or disables the MCE1 port Set to Disable only if you want to disable the MCEI port 1 3 6 1 4 1 18 3 4 9 3 1 2 A 48 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Line Type MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters ESF Unframed T1 ESF SF D4 Specifies the framing format ESF transmits superframes consisting of 24 individual SF D4 frames and provides enhanced signaling and synchronization SF D4 transmits superframes consisting of 12 individual frames Select the appropriate frame format for your T1 equipment Use Unframed T1 only with BERT mode to match the line type 1 3 6 1 4 1 18 3 4 9 4 1 6 Line Coding MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters B8ZS AMI B8ZS Specifies a line coding method AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCT1 link module remains synchronized upon receiving up to 45 consecutive Os B8ZS Bipolar with 8 Zero substituti
17. a fy lee ES a alis Unused SAMEERA EE W SMBET 31 1 Unused 21 Unused Unused 22 Unused Unused 23 Unused my 20 Unused L L t t t o Unused 24 Unused Unused m 25 Unused Unused m 26 Unused Umsa al 27 Unused 7 Umsa F 28 umsed 7 EET 29 Unused Figure 6 10 Assigning a Timeslot MCE1 Example Tl 2 E 4 5 6 7 8 9 nF o JE IR L yb ol 1 1 4 Select the logical line to which you want to assign the timeslot 5 RepeatSteps 3 and 4 for each timeslot that you want to assign or click on Select All to assign all timeslots to a logical line Note For MCE circuits timeslot 16 is unavailable when the Line Type parameter in the MCEI Port Parameters window refer to Figure 6 2 is set to EI MF or EI CRC MF 6 Click on OK The MCEI or MCTI Logical Lines window appears 7 Click on Apply 8 Click on Done The Configuration Manager window appears 6 26 114078 Rev A Configuring MCE1 and MCT1 Interfaces Configuring ISDN PRI Logical Lines To configure ISDN PRI logical lines 1 Start at the PRI Logical Lines window Figure 6 11 Slot 3 MCE1 1 PRI Logical Lines Done D Channel Apply EB Channels Port Details Delete PRI Values Help el MTU Size bytes 1600 le Figure 6 11 PRI Logical Lines Window MCE1 Example 2 Click on B Channels The MCE1 Timeslots Figure 6 12 or MCT1 Timeslots window appears This window g
18. default parameters B 9 to B 12 logical lines 6 17 7 12 parameters Accept Loopback Request A 52 FDL Configuration A 51 Line Coding 6 10 Line Type A 49 C 6 Loopback Configuration A 52 Remote FDL HDLC Address Mode A 51 Remote Loopback Detection A 42 Signal Level C 6 Signal Level dB A 50 testing the line C 1 to C 10 multiline circuit BOD 7 7 configuring 7 12 to 7 17 Data Path Chooser parameter 7 5 7 11 data paths 7 5 7 9 default parameters B 14 grouping data paths 7 4 overview 7 1 parameters A 74 supported media 7 1 synchronous lines 7 7 7 9 traffic distribution methods 7 5 types 7 3 114078 Rev A Index 5 Configuring Line Services N Neighbor Information frames 2 11 P Parameter Management frames 2 11 power level T1 transmit 6 10 A 50 primary ring 2 7 priority queuing 8 9 A 78 Q OMCTI logical line parameters A 43 parameters Accept Perf Measurement CR Addr A 53 Send Performance Measurement CR Addr A 53 testing 6 24 Quality of Service QoS 8 1 R rate adaptation line 6 21 A 40 Request Denied frames 2 11 S SAS 2 8 secondary ring 2 7 service type 6 20 A 39 Single Attachment Station 2 8 SMT See FDDI SMT ST2 protocol 8 1 station management SMT 2 10 See also FDDI SMT Status Information frames 2 11 Status Report frames 2 11 Support Source CD xxviii Synchronous configuring for multiline 7 1 default parameters B 12 par
19. minimum penetration but is looped back out Setting this parameter forces the DS1 interface into loopback The far end or intermediate equipment then performs diagnostics on the network between that equipment and the DS1 interface You can set the loopback configuration for this interface Site Manager Loopback Configuration parameter page A 52 Setting the Source of Send Performance Messages QMCT1 For QMCT1 link modules only you can specify the source of performance messages e Customer Inst indicates that the customer installation supplies the messages Carrier indicates that the carrier supplies the messages Site Manager Send Performance Measurement CR Addr parameter page A 53 Setting the Source of Accept Performance Messages QMCT1 For QMCTI link modules only you can specify the source from which the router accepts performance messages e Customer Inst indicates that the router accepts messages only from the customer installation e Carrier indicates that the router accepts messages only from the carrier Site Manager Accept Loopback Request parameter page A 52 6 12 114078 Rev A Configuring MCE1 and MCT1 Interfaces Setting the Primary Clock Source QMCT1 You can specify the primary source for timing signals Select Internal to use the clock chip on the MCT1 module Select Port 1 Ext Loop to use the signal coming in from Port 1 Select Port 2 Ext Loop to
20. ATM ARE default parameters B 3 editing line details 4 1 4 10 parameters Clocking Signal Source 4 4 A 22 Data Path Enable 4 3 A 20 A 24 Data Path Notify Timeout 4 3 A 20 A 24 DS3 Line Build Out 4 4 A 22 DS3 Scrambling 4 5 A 23 Enable 4 2 A 19 A 23 Framing Mode 4 4 A 21 Interface MTU 4 2 4 7 A 19 A 24 SVC Inactivity Timeout Secs 4 4 A 21 A 25 SVC Inactivity Timeout Enable 4 3 A 21 A 25 ATM DXI 2 15 ATM FRE 2 default parameters B 2 editing line details 4 6 parameters Cell Insertion 4 9 A 26 Data Path Notify 4 7 Data Path Notify Timeout 4 7 Enable 4 6 Loopback 4 9 SVC Inactivity Timeout Secs 4 8 SVC Inactivity Timeout Enable 4 8 AZ address mode 6 11 A 51 114078 Rev A Index 1 Configuring Line Services B8ZS line coding 2 21 4 17 configuring A 49 Bandwidth on Demand BOD 7 7 Bay Networks CompuServe forum xxviii Customer Service FTP xxvii home page on World Wide Web xxvii InfoFACTS service xxix publications ordering xxiv support programs xxvi Support Source CD xxviii Technical Response Center xxv xxix technical support xxv BERT mode MCEI C 1 to C 7 MCTI C 1 to C 10 bipolar format 2 20 4 10 4 17 BofL Breath of Life messages Ethernet lines A 2 FDDI lines A 5 HSSI lines 4 13 A 29 MCEI or MCTI logical lines 6 19 A 38 synchronous lines 5 13 A 55 Breath of Life messages See BofL BY address mode 6 11 A 51 C
21. Disable Enables or disables the FDDI circuit for the selected connector Set to Enable or Disable 1 3 6 1 4 1 18 3 4 4 1 2 A 4 114078 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters BofL Enable FDDI Connector gt Edit Line gt Edit FDDI Parameters Enable Enable Disable Enables or disables BofL polling When you set both this parameter and the LLC Data Enable parameter to Enable the router disables the LLC interface after the time you specify using the BofL Timeout parameter if the link becomes unavailable When you set this parameter to Disable the router disables the LLC interface immediately after the link becomes unavailable Set to Enable or Disable 1 3 6 1 4 1 18 3 4 4 1 7 BofL Timeout FDDI Connector gt Edit Line gt Edit FDDI Parameters 3 seconds 0 to 3600 seconds When BofL is enabled and the link becomes unavailable this parameter specifies the time Site Manager waits before disabling the LLC interface Accept the default value 3 seconds or specify a new value Be sure to set the BofL Enable parameter to Enable 1 3 6 1 4 1 18 3 4 4 1 8 114078 Rev A A 5 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Func
22. Figure 2 4 shows the relationship of the four FDDI standards Media Access Control MAC Station Physical Layer Protocol PHY Management SMT Physical Layer Media Dependent PMD LS0006A Figure 2 4 Relationship of FDDI Standards 2 6 114078 Rev A About Line Protocols FDDI Dual Counter Rotating Ring Architecture FDDI LANs comprise two independent counter rotating rings a primary ring and a secondary ring Data flows in opposite directions on the rings Both rings can carry data however in high bandwidth applications Bay Networks specifies that the primary ring transmits data and the secondary ring is a backup device The counter rotating ring architecture prevents data loss in the event of a link failure a node failure or the failure of both the primary and secondary links between any two nodes as follows e Ifa link on the primary ring fails the secondary ring transmits the data e If anode or corresponding links on both the primary and secondary rings fail one ring wraps to the other around the faulty components forming a single ring Figures 2 5 and 2 6 When the component can function again the architecture reverts to dual ring Primary ring wraps to secondary ring isolating faulty links LS0007A Figure 2 5 Failure of Corresponding Links on Both Rings 114078 Rev A 2 7 Configuring Line Services Primary ring wraps to secondary ring isolating faulty node L
23. Floating B is an alternative if you cannot purchase 1B D service Select FLOATINGB to use only one B Channel of ISDN which becomes BCHANNELI or BCHANNEL2 depending on the call setup procedures COMI and COM2 become available in this mode You can configure the B Channel on an AN or ANH ISDN interface Site Manager Sync B Channel Override parameter page A 70 Configuring KG84A Security KG84A is a cryptographic device used to secure data transmitted over a point to point synchronous line Bay Networks KG84A support allows the router to use the encryption services of a KG84A device In a KG84A configuration the KG84A device is usually placed between the router and a modem The KG84A device acts as the DCE for the attached router Another KG84A device must be located at the other end of the point to point connection so that encrypted data can be decrypted Figure 5 2 114078 Rev A 5 27 Configuring Line Services CE Router Figure 5 2 ON ON KG84A KG84A Network Configuration L kassal Router LS0017A The Bay Networks router attaches to the KG84A device via a modified V 35 synchronous cable The encryption decryption process is usually transparent to the router However occasionally two KG84A devices can lose cryptographic synchronization When this occurs the modified cable allows the ro
24. J MCE1 2 T CLOCK T MCE1 1 I CONSOLE Circuit Definition Window 114078 Rev A 7 9 Configuring Line Services 4 Click on the connectors that you are adding to the circuit Site Manager highlights the connectors you choose For example Fi illustrates the addition of COM2 to the circuit S42 that already uses connectors COM3 and COM4 5 Select Lines gt Change Lines Figur iret tintin 5 File Protocols Lines window Hel Configuration M SNMP Agi Protocols Slot Lines J XCVR4 XCVR3 XCVR2 M XCVR1 I MCT1 2 I CLOCK I MCT1 1 MCE1 2 T CLOCK T MCE1 1 M CONSOLE Figure 7 5 Change Lines Menu Option The lines now form one circuit The default traffic distribution method is address based If you want to change the traffic distribution method go to Changing the Traffic Distribution Method later in this chapter 6 Select File gt Exit to exit this window 7 10 114078 Rev A Configuring Multiline Services Changing the Traffic Distribution Method All multiline circuits by default distribute traffic using address pairs To change the traffic distribution method 1 Start at the Configuration Manager window 2 Click on one of the connectors in the appropriate multiline circuit The Edit Connector window appears 3 Click on Edit Circuit The Circuit Definition window appears refer to Figure 7 5 4 Select Lines Multiline The Edit Multiline Options window appear
25. Performs asynchronous cable testing e Originate Advises local TCP to initialize a connection to the specified remote IP address specified in the Remote IP Address parameter You can select the start protocol for this interface Site Manager Start Protocol parameter page A 15 5 2 114078 Rev A Customizing Synchronous and Asynchronous Interfaces With the Start Protocol set to Originate you must configure the e Remote IP Address e Remote Port Local Port Setting the Remote IP Address The router uses the remote IP address only when the asynchronous Start Protocol parameter is set to Originate The Remote IP Address specifies a remote TCP host to which this router will communicate using the asynchronous interface You can specify any valid 32 bit IP address in dotted decimal notation as the Remote IP Address for this interface Site Manager Remote IP Addr parameter page A 15 Specifying the Remote Port The router uses the remote port number only when the Start Protocol parameter is set to Originate The Remote Port number specifies a remote port for the TCP connection By default the remote port is set to 7 You can specify any valid remote port number from 1 through 65535 for this interface Site Manager Remote Port parameter page A 16 Specifying the Local Port The router uses the local port number only when the Start Protocol parameter is set to Originate
26. Site Manager Remote HDLC Address parameter page A 40 Setting Rate Adaptation Rate adaption determines the number of bits and their bit positions within the timeslot The MCEI logical line rate adaption is 64 K by default You can select 64K e 56KMSB e 56KLSB The 64 K selection uses all eight bits in the timeslot The two 56 K selections use seven of the eight bits in the timeslot The 56 K MSB selection does not use the most significant bit and the 56 K LSB selection does not use the least significant bit in the timeslot You can select the line rate adaptation for this logical line Site Manager Rate Adaptation parameter page A 40 Setting the Interframe Time Fill Pattern You can select the interframe time fill pattern for transmission across this logical line e Flags selects an OX7E pattern 011111 10 e Idles selects an OxFF pattern 1 11 111 1 1 114078 Rev A 6 21 Configuring Line Services The router uses Flags by default You can set the line interframe time fill character Site Manager Interframe Time Fill Character parameter page A 41 Setting the CRC Size By default the routers uses the 16 bit cyclic redundancy check CRC type With 16 bit CRC the router appends a 16 bit CRC to the transmitted frames and performs a 16 bit CRC on received frames You can change to 32 bit CRC where the router appends a 32 bit CRC to transmitted frames and performs a 32 bit CRC
27. gt Edit Asynchronous Parameters 4096 bytes 512 to 65535 bytes Specifies the size of the TCP receive window for received asynchronous packets Enter a value in the range 512 to 65535 1 3 6 1 4 1 18 3 4 3 1 31 TCP KeepAlive COM Connector gt Edit Line gt Edit Asynchronous Parameters 8 seconds 3 to 180 seconds Specifies how often the local TCP sends keepalive messages to the remote TCP When the local TCP sends out a TCP keepalive message it expects an acknowledgment ACK from the remote TCP The ACK then resets the inactive limit timer If the local TCP does not receive the ACK from the remote TCP within the time limit specified by the TCP Inactive Limit parameter the TCP connection is disabled To prevent an error or alarm condition set the TCP Inactive Limit parameter to a value that allows enough time for multiple TCP keepalive messages Specify a value in the range 3 to 180 seconds 1 3 6 1 4 1 18 3 4 3 1 35 114078 Rev A Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID TCP Inactive Limit COM Connector gt Edit Line gt Edit Asynchronous Parameters 300 seconds 65536 to 65535 seconds Specifies the maximum inactivity timer in seconds When the inactive limit timer expires the TCP connection between the router and the remote TCP host is lost This parameter wo
28. on received frames You can set CRC size for the logical line Site Manager CRC Size parameter page A 41 Setting the MTU Size The router uses the transmit receive buffer size MTU to configure the largest frame that the router can transmit or receive across this MCEI port The router discards frames larger than this value The MTU is 1600 bytes by default You can change it to any size from 3 through 4608 bytes for the logical line Site Manager MTU Size bytes parameter page A 41 Enabling or Disabling Remote Loopback Detection Setting Remote Loopback Detection enables or disables detection of the driver s own BofL packets as long as the BofL Enable Disable parameter is enabled for this interface If you select Enable and put the line into loopback mode the downstream driver will bring down the interface when it detects its own BofL packet You can disable or reenable loopback detection on this interface Site Manager Remote Loopback Detection parameter page A 42 6 22 114078 Rev A Configuring MCE1 and MCT1 Interfaces Enabling or Disabling BERT Mode QMCT1 only You can disable or reenable bit error rate test BERT mode on this interface Site Manager BERT Mode parameter page A 42 See Appendix C Testing MCE1 and MCTI Interfaces for detailed information about BERT testing Setting the BERT Test Pattern QMCT1 only When a port is in BERT mode
29. the TVX is reset If the TVX expires the node starts a ring initialization sequence to restore the ring to proper operation FDDI Ring Maintenance Each node is responsible for monitoring the integrity of the ring By using the TVX nodes can detect a break in ring activity If the interval between token receptions exceeds the value of the TVX the node reports an error condition and initiates the claim process to restore ring operation If it cannot generate a token the node that detected the problem initiates beacon frames Beacon frames indicate to the other nodes that the ring is broken If the beacon transmission exceeds the value set in the stuck beacon timer controlled by the Ring Management RMT portion of SMT RMT attempts to restore the ring to normal operation If the ring does not return to normal operation in a specified period of time RMT initiates a trace A trace is a diagnostic function that isolates a fault on the ring For more information about RMT see the next section FDDI SMT Bay Networks routers support Version 7 2 of the SMT protocol SMT is a low level protocol that manages the FDDI functions provided by the PMD the PHY and the MAC SMT can run only on a single FDDI ring and can manage only the FDDI components and functions within a node SMT contains three components e Connection Management CMT e Ring Management RMT e SMT frame services CMT CMT performs these functions e Inserts and rem
30. 0 through 3600 seconds Site Manager Data Path Notify Timeout parameter page A 20 Enabling or Disabling the SVC Inactivity Timeout You can enable or disable the SVC Inactivity Timeout Enable on the interface Site Manager SVC Inactivity Timeout Secs parameter page A 21 If you select Enable the router disables any switched virtual circuit SVC on which the router receives or transmits no cells for the number of seconds you specify using the SVC Inactivity Timeout Secs parameter If you select Disable the router keeps SVCs open unless you close them by another method Setting the SVC Inactivity Timeout With the SVC Inactivity Timeout enabled the router closes the SVC if it receives or transmits no cells for a default timeout period of 1200 seconds 20 minutes 114078 Rev A 4 3 Configuring Line Services You can set the SVC Inactivity Timeout Secs parameter to a value from 60 through 3600 seconds Site Manager SVC Inactivity Timeout Enable parameter page A 21 Setting the Framing Mode You can set the transceiver mode for the physical interface framing mode on this interface to e SONET or SDH for OC 3 modules e CBIT or M23 for DS3 modules e G751 or G832 for E3 modules You can use Site Manager to select the framing mode Site Manager Framing Mode parameter page A 21 By default Site Manager sets the framing mode to SONET Setting the Clock S
31. 1 Table B 2 Table B 3 Table B 4 Table B 5 Table B 6 Table B 7 Table B 8 Table B 9 Table B 10 Table B 11 Table B 12 Table B 13 Table B 14 Table B 15 Table B 16 Table B 17 Table B 18 Table B 19 Table B 20 Table B 21 Table B 22 114078 Rev A Tables Site Manager Abbreviations for Circuit Types sesssss 1 3 Line Types and Corresponding Chapters essssseessss 1 5 SMT Frame Classes ag TYPES iiec escis erdt esee kascac cesis ddeas 2 11 Species Tor ET CNE sieniin Yr dose art deeds 2 15 POC ANON gm eT TES UT 2 18 100 Mb s Ethernet Auto Negotiation State Information 3 7 SMT Connection Policy Values 1 o regata etn dne end unie 3 12 Asynchronous Line Pareielela 1 s De cetrintt ce uA U err edet eee u tutt o pa tun B 2 ATM PRE 2 Line Paraimelbere Luce ase tire b ror th saaaqstess o HIE R Rr Ere EE Rhin B 2 ATM FRE 2 Physical Attribute Parameters sssssesess B 3 ATM ARE Line Parameters 252 oss etus gos ttem reat ei i reae FU bU ERE tU cU gan tdeo B 3 E Ens Fanm edili ad aad EI A QU doa ate put B 4 Ethernet Line Parameters B 4 EDIDI LnS PIT BIS oit pim n ratas etri da incar tandi pcs rl d ot nd B 5 FDDI SMT Attribute Parameters 15 5 22 aee imuc deas ist keit bec B 5 FDDI MAC Attribute Parameters uero ciet reo xke RaERE ke uo RA ERE oe RA uL B 5 FDDI Path
32. 1 18 3 4 9 6 1 10 WAN Protocol Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines Standard For MCEI Standard PPP SMDS Frame Relay SDLC For MCTI Standard Passthru PPP SMDS Frame Relay Specifies the WAN protocol you configured for this logical line Accept the current value 1 3 6 1 4 1 18 3 4 9 6 1 14 Service Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines LLCI Transparent LLC1 Sets the HDLC service type for this line Transparent is basic HDLC mode LLCI adds the HDLC address and control fields as a prefix to the frame Select the logical line HDLC service 1 3 6 1 4 1 18 3 4 9 6 1 15 114078 Rev A A 39 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Local HDLC Address Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines 7 DCE 21DTEI 4151617 Specifies the 1 byte HDLC address of this logical line DCE is an address of 1 DTE is address 3 DCE DTE or an explicit address value 1 3 6 1 4 1 18 3 4 9 6 1 16 Remote HDLC Address Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines 7 DCE 2 1DTEI 4151617 Specifies the 1 byte HDLC address of this logical line DCE is an address of 1 DTE is address 3 DCE DTE or an expl
33. 2 11 1 7 Cell Insertion ATM Connector gt Line Attributes gt ATM ALC Parameters gt Physical gt Physical Interface Attributes Unassigned Idle Unassigned In the absence of user cells the framer device fills idle bandwidth with either idle or unassigned cells Select Idle or Unassigned 1 3 6 1 4 1 18 3 4 23 2 11 1 49 A 26 114078 Rev A Site Manager Line Services Parameters E1 Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access the E1 Line Parameters from the Configuration Manager Enable E1 Connector gt Edit Line gt Edit E1 Parameters Enable Enable Disable Enables or disables the E1 line Set to Disable if you want to disable the E1 line 1 3 6 1 4 1 18 3 4 11 1 2 HDB3S Support E1 Connector gt Edit Line gt Edit E1 Parameters Enable Enable Disable Enables or disables high density bipolar coding a mechanism to maintain sufficient 1s density within the E1 data stream Enable or disable this parameter depending on the ability of the associated E1 equipment to support HDB3S 1 3 6 1 4 1 18 3 4 11 1 7 Clock Mode E1 Connector gt Edit Line gt Edit E1 Parameters Internal Manual Slave Internal Specifies the source of the E1 transmit clock Select In
34. 31 1 in the example 114078 Rev A 7 17 Chapter 8 Managing Line Resources The first part of this chapter provides an overview of line resource reservation for ST2 traffic on Bay Networks routers Later sections explain e Starting the LRM e Configuring the LRM e Disabling Line Resource Management Note Before you can enable the LRM you must first configure IP and the ST2 agent on a circuit See Configuring IP Multicasting Services About Line Resource Management Services Emerging realtime multicast applications for digitized voice and video such as multimedia conferencing and virtual reality require a level of consistent network service that routers cannot meet using simple first in first out FIFO queuing mechanisms The existing best effort delivery service of IP networks where variable queuing delays and data loss due to congestion are acceptable is not sufficient Resource reservation protocols such as Stream Protocol 2 ST2 address the requirements of delay sensitive applications by distributing information among routers to achieve a guaranteed Quality of Service QoS for specific packet streams flows The Line Resource Manager allows you to use guaranteed QoS to both meet the demands of realtime applications and maintain bandwidth for other traffic 114078 Rev A 8 1 Configuring Line Services Line Resource Manager LRM The Line Resource Manager LRM is part of the Bay Networks
35. 4 Logical Lines Window before Defining a Circuit MCT1 example 6 14 114078 Rev A Configuring MCE1 and MCT1 Interfaces Defining Logical Lines To add the logical lines for an MCE1 or MCTI port 1 Start at the MCE1 or MCTI Logical Lines Window refer to Figure 6 4 2 Click on Add The Add Circuit window appears Figure 6 5 Configuration Mode SNMP Agent Circuit Name MCE1 31 1 Color Keu Available Select lines from available connectors Selected Slot Connectors 5 F XCVR2 F XCVR1 V XCVR2 F XCVR1 MCE1 2 F CLOCK MCE1 1 1 T CONSOLE Cancel Figure 6 5 Add Circuit Window MCE1 example 3 Name the logical line You can use the default name that appears in the Add Circuit window or change the name by clicking on the Circuit Name box and typing in a new name Figures 6 6 and 6 7 illustrate how Site Manager generates the default logical line name The default name identifies the circuit type MCEI or MCT1 the physical connector slot and port number the number of the logical line on the MCEI or MCTI port and in the case of ASN net modules the module number 114078 Rev A 6 15 Configuring Line Services uu Slot Where Connector Connector Position on Type of Circuit Resides Slot 3 Link Module Port 1 b a MW Logical Line Circuit Name WEM LS0018A Figure 6 6 Default Circuit Name for Link Modules Slot Where Connector Module Where Connector Type of Circuit Resides Sl
36. 4 1 18 3 4 5 1 68 KG84A Remote Resync Wait COM Connector gt Edit Line gt Edit Sync Parameters 200 cycles 2151101251501 1001 200 500 Specifies the number of cycles that the router waits for the remote KG84A device to complete a resynchronization operation when synchronization is lost and a remotely initiated resynchronization has been detected After this number of cycles the router software determines that the resynchronization failed and initiates another resynchronization Note that if you press the RES YNC button on the local KG84A device the router responds as if it were a remotely initiated resynchronization Use different settings at each end of the point to point link to avoid a possible race condition and be sure to set the RTS Enable parameter to Enable 1 3 6 1 4 1 18 3 4 5 1 69 A 66 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters KG84A Sync Pulse COM Connector gt Edit Line gt Edit Sync Parameters 10 milliseconds ms 2 to 4096 ms Specifies the length of the pulse that the router transmits to the KG84A device when it is necessary to initiate KG84A resynchronization The router uses the RTS signal of the V 35 interface which connects to the KG84A device s synchronous signal via a special cable to initiate KG84A resynchroniz
37. 8 11 A 80 Traffic Queuing Algorithm 8 8 A 76 Unreserved Policing Algorithm 8 9 A 78 Unreserved Queue Length 8 10 A 78 line service parameters accessing 1 2 line speed Ethernet A 4 line tests MCEI C 1 to C 7 MCTI C 1 to C 10 Link Access Procedure Balanced LAPB protocol See LAPB LLC1 HDLC service type 6 20 A 39 logical lines MCE1 6 15 7 12 MCTI 7 12 loopback 6 12 6 19 A 39 A 52 MCEI BERT mode C 1 to C 7 default parameters B 7 to B 9 defining logical lines 6 15 logical lines 6 17 7 12 multiline groupings 7 12 parameters BERT Mode Enable 6 23 A 42 C 4 BERT Send Alarm A 74 BERT Test Pattern A 42 C 4 BofL 6 19 BofL Timeout seconds 6 19 A 38 A 39 Clear Alarm Threshold seconds 6 6 6 11 A 46 A 51 CRC Size 6 22 A 41 Enable Disable 6 19 A 38 A 44 A 48 Fractional Loopback 6 19 A 39 Interframe Time Fill Character 6 21 A 41 International Bit 6 7 A 46 C 6 Line Coding 6 6 A 45 C 5 Line Impedance 6 7 A 47 Line Type 6 5 6 9 A 45 C 5 Index Local HDLC Address 6 20 A 40 MTU Size 6 22 A 41 A 42 Port Application Mode 6 2 A 43 A 47 Primary Clock 6 3 A 44 A 48 A 54 Rate Adaptation 6 21 A 40 Remote HDLC Address 6 21 A 40 Secondary Clock 6 4 A 44 A 48 A 54 Service 6 20 A 39 Setup Alarm Threshold seconds 6 6 6 10 A 46 A 50 WAN Protocol A 39 testing the line C 1 to C 7 timeslots 6 25 6 27 MCTI BERT mode C 1 to C 10
38. 92 968 301 Asia Pacific Region 612 9927 8800 612 9927 8811 Latin America 407 997 1713 407 997 1714 In addition you can receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner xxvi 114078 Rev A Technical Support and Online Services Bay Networks Information Services Bay Networks Information Services provide up to date support information as a first line resource for network administration expansion and maintenance This information is available from a variety of sources World Wide Web The Bay Networks Customer Support Web Server offers a diverse library of technical documents software agents and other important technical information to Bay Networks customers and partners A special benefit for contracted customers and resellers is the ability to access the Web Server to perform Case Management This feature enables your support staff to interact directly with the network experts in our worldwide Technical Response Centers A registered contact with a valid Site ID can e View a listing of support cases and determine the current status of any open case Case history data includes severity designation and telephone e mail or other logs associated with the case e Customize the listing of cases according to a variety of criteria including date severity status and case ID e Log notes to exist
39. Attributes 2 5 milliseconds ms The value must be greater than zero and less than the value of Requested TTRT If the value of Requested TTRT is greater than 5 2 ms set this parameter to a value less than or equal to 5 2 ms For example if the value of Requested TTRT is 165 ms the value for Tvx Lower Bound must be less than or equal to 5 2 ms Specifies the minimum time value of the Valid Transmission Timer TV X Accept the default value of 2 5 milliseconds or specify a new value less than or equal to 5 2 milliseconds and less than the value of Requested TTRT 1 3 6 1 4 1 18 3 4 15 3 3 1 5 114078 Rev A A 9 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID T_Max Lower Bound ms FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path Attributes 165 milliseconds ms 10 to 1336 9344 ms Allows you to specify the maximum time value of TTRT The value must be greater than or equal to 10 ms greater than or equal to the value of the Requested TTRT ms parameter and less than or equal to 1336 9344 ms Accept the default value of 165 ms or specify a new value less than or equal to 1336 9344 ms and greater than or equal to the value of the Requested TTRT ms parameter 1 3 6 1 4 1 18 3 4 15 3 3 1 6 Requested TTRT ms FDD
40. Enabling or Disabling Media Access Control LLC By default the interface to the MAC entity is available to exchange PDUs between the MAC and the local LLC entity when the ring becomes operational Enabling or disabling this attribute does not affect transferring and receiving MAC or SMT frame types You can specify whether the MAC is available to transmit and receive Logical Link Control LLC Protocol Data Units PDUs on an interface Site Manager LLC Data Enable parameter page A 9 3 14 114078 Rev A Customizing LAN Interfaces To edit the MAC attributes for an FDDI line 1 Click on Expert at the Edit FDDI Parameters window The FDDI Advanced Attributes window appears refer to Figure 3 4 2 Click on MAC 3 Click on MAC Attributes The FDDI MAC Attributes window appears Caution Changing any of the FDDI Advanced Attributes parameters will affect the operation of your FDDI network You should understand how to use each of these parameters to improve network performance before you modify any of them Editing FDDI Path Attributes You can set the target token rotation time TTRT carried in claim frames issued by the FDDI station by specifying a e Requested TTRT e Maximum TTRT e Minimum Valid Transmission Time TVX In Site Manager these are known as path attributes Figure 3 7 illustrates their relationship TVX Lower Bound Requested TTRT T_Max Lower Bound gt lt gt
41. Enter the approximate length of the cable connecting the router and the associated T1 equipment 1 3 6 1 4 1 18 3 4 10 1 8 Clock Mode T1 Connector gt Edit Line gt Edit T1 Parameters Internal Internal Slave Manual Specifies the source of the T1 transmit clock Select the clocking mode making certain that the associated T1 equipment is compatible Select Internal to indicate that the router sets the clock Select Slave to indicate that the incoming data stream sets the clock Select Manual to indicate that the jumpers on the E1 link module set the clock Refer to Installing and Maintaining BN Routers or Installing and Maintaining ASN Routers and BNX Platforms for information on hardware configurations 1 3 6 1 4 1 18 3 4 10 1 10 A 72 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Mini Dacs T1 Connector gt Edit Line gt Edit T1 Parameters Idle Idle Data Voice Circuit 1 Circuit 2 Assigns a specific function to each T1 channel Assign the appropriate function to the T1 channels Select Idle to make the channel idle Select Data to assign the channel to voice pass through E1 connector to E1 connector To configure data and voice pass through assign identical channels to data or voice on both T1 connectors Select Circuit 1 to assign the channel to the first E1 connector Not that you cannot allocate T
42. For direct connection to an IBM 3745 either the router or the IBM 3745 can provide the clock source If the IBM 3745 does not provide clocking set to Internal 1 3 6 1 4 1 18 3 4 5 1 13 114078 Rev A A 57 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Internal Clock Speed COM Connector gt Edit Line gt Edit Sync Parameters 64 KB 19200 KB for SDLC 1200 B 2400 B 4800 B 7200 B 9600 B 19200 B 32000 B 38400 Bl 56 KB 64 KB 125 KB 230 KB 420 KB 625 KB 833 KB 1 25 MB 2 5 MB 5 MB Sets the clock speed of an internally supplied clock when the Clock Source parameter is set to Internal Attached devices must be capable of operating at the specified speed Set the clock speed for the internal clock to the desired data transmission rate across the synchronous line Some of the more common allowed speeds for IBM products are as follows e An IBM 3274 with an V 24 RS 232 interface supports up to 9600 bps Some support speeds up to 19200 bps An IBM 3274 with a V 35 interface supports up to 64 Kb s An IBM 3174 with a V 24 RS 232 interface supports up to 19200 bps An IBM 3174 with a V 35 interface and running Licensed Internal Code C supports up to 256 Kb s You cannot set this parameter when the Clock Source parameter is set to External
43. Getting Started Depending on the type of circuit that you selected in Step 3 the Configuration Manager displays the window that allows you to modify the circuit s line details 7 Edit the line attributes The type of line determines how you edit line details Chapters 3 through 6 provide information on editing line parameters for specific circuit types Table 1 2 Table 1 2 Line Types and Corresponding Chapters Line Type Go To Ethernet FDDI Token Ring Chapter 3 ATM FRE 2 ATM ARE E1 HSSI T1 Chapter 4 Synchronous LAPB Asynchronous Chapter 5 MCE1 Chapter 6 MCT1 Chapter 6 114078 Rev A Chapter 2 About Line Protocols This chapter provides overview information on LAN and WAN media and their data link layer protocols in the following sections Overview of LAN Protocols e Overview of WAN Protocols Overview of LAN Protocols To support LAN topologies you can configure a router with Ethernet FDDI or Token Ring circuits This section provides overview information about these LAN technologies e Ethernet Overview e FDDI Overview e Token Ring Overview 114078 Rev A 2 1 Configuring Line Services Ethernet Overview Ethernet is a 10 megabit second Mb s or 100 Mb s LAN that uses the Carrier Sense Multiple Access with Collision Detection CSMA CD protocol to control access to the physical wiring media Data Flow When a node on an Ethernet LAN e
44. If your device is data communications equipment select DCE If you do not want to assign a specific station type and instead want the network to determine the station type choose DXE This value indicates that the router is in unassigned mode it is neither a DTE nor a DCE If you select DXE the router will send an exchange identification XID but negotiation will not take place until the network assigns a station type 1 3 6 1 4 1 18 3 5 1 8 1 7 A 32 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Control Field COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Modulo 8 Modulo 8 Modulo 128 Specifies the desired window size or modulo of the sequence numbering that the router uses to number frames Select the appropriate window size for your configuration 1 3 6 1 4 1 18 3 5 1 8 1 8 Max N1 Frame Size octets COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters 256 bytes 3 to 4500 bytes Specifies the frame size in bytes for a frame that the router or network transmits This number excludes flags and O bits inserted for transparency Select the frame size that suits your network configur
45. Manager CRC Size parameter page A 64 Setting the Signaling Method You can specifythe signaling method that the router uses for this line with the Sync Media Type parameter Available media types are e Default e TI El e RAISEDTR e V25BIS SDN e ISDNLEASEDLINE You can set the media type used for the interface Site Manager Sync Media Type parameter page A 65 Enabling or Disabling Sync Polling By default a synchronous interface does not monitor the Data Set Ready DSR signal If you set this parameter to Enable the synchronous driver is enabled when the DSR is detected When the DSR is no longer detected the driver will be disabled Enable this parameter only if you will be using dial up services You can enable or disable Sync Polling for the interface Site Manager Sync Polling parameter page A 67 5 22 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Setting the Line Coding On AN or ASN routers and on a router with an Octal Sync link module you can specify the line coding of the physical synchronous line to match the line coding of a device at the other end of the line Specify the line coding as follows e Select NRZ for Non Return to Zero coding e Select NRZI for Non Return to Zero Inverted coding Select NRZI Mark for Non Return to Zero Inverted Mark coding Line coding is NRZ by default Note See Configuring KG84A Security fo
46. One way that they differ is in message format Figure 2 1 Instead of a Length field in the MAC layer header Ethernet messages include a Type field indicating which higher layer protocol is used in the Data field Ethernet Message Format Dest Source T D CRC 802 3 Message Format Dest Source LS0002A Figure 2 1 Ethernet and 802 3 Message Formats The Bay Networks Ethernet 802 3 interface supports IEEE 802 3 and Version 1 0 2 0 Ethernet frame formats Ethernet Media A bisynchronous10 Mb s Ethernet LAN 10Base T uses thick or thin Ethernet coaxial cable or Category 3 twisted pair cable The bisynchronous100 Mb s Ethernet LAN 100Base T sometimes called fast Ethernet uses three different media interfaces e 100Base TX uses two pairs of unshielded twisted pair wires and allows both full duplex and half duplex operation e 100Base FX uses fiber cabling that supports half and full duplex operation e O0Base T4 uses new physical layer signals to run over four pairs of Category 3 unshielded twisted pair wires The signals use all four wire pairs so only half duplex operation is supported 114078 Rev A 2 3 Configuring Line Services Each 100Base T port supports 100Base TX or MII physical interfaces The integral 100Base TX transceiver enables Category 5 twisted pair wire to be directly connected to its RJ 45 connector The MII interface enables external transceivers to be attached to the MII connector This
47. Resources gt Edit Line Resources 0 bits s 0 to 214748364 bits s Specifies how the first fit algorithm works providing you set the Multiline Select Algorithm parameter to First Fit If you accept the default value LRM uses the simple first fit algorithm If you select a value greater than 0 LRM still uses the first available line with reservable bandwidth to service requests but moves to the next available line after reaching the configured threshold When all lines are at their threshold LRM returns to using the simple first fit algorithm Set this parameter only if you have configured LRM on a multiline circuit and have set the Multiline Select Algorithm parameter to First Fit Accept the default or enter a number less than the value of the Reservable Bandwidth parameter 1 3 6 1 4 1 18 3 5 16 2 1 3 1 12 114078 Rev A A 79 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Reservation Latency XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 50 milliseconds ms 0 to 214748364 ms Specifies the maximum latency for a reserved flow packet limiting the amount of unreserved data that the link scheduler can transmit When the data transmit ring reaches a size where the time to transmit the data is greater than the value of this parameter no more unreserved data will be queued Reduce the v
48. See the following sections Enabling or Disabling the MCEI Port e Setting the Line Type e Setting the Line Coding Method e Setting the Alarm Threshold Time e Setting the Alarm Threshold Clear Time e Enabling or Disabling the International Bit e Setting the Line Impedance ASN MCEI only 6 4 114078 Rev A Configuring MCE1 and MCT1 Interfaces Edit Slot 4 Module 4 MCE1 1 Port Parameters Cancel OK Values Help Enable Disable ENABLE Line Type Line Coding E1 Setup Alarm Threshold seconds 2 Clear Alarm Threshold seconds 2 International Bit DISABLE Line Impedance 120 OHM Figure 6 2 MCE1 Port Parameters Window Enabling or Disabling the MCE1 Port The MCE1 interface is enabled by default when you add the circuit You can disable or reenable this MCEI interface Site Manager Enable Disable parameter page A 44 Setting the Line Type Select one of the following line types to match your E1 equipment El E1 CRC E1 MF E1 CRC MF 114078 Rev A 6 5 Configuring Line Services You can set the Line Type for this MCEI interface Site Manager Line Type parameter page A 45 Setting the Line Coding Method By default the MCE1 interface uses high density bipolar coding HDB3 line coding HDB3 line coding maintains sufficient 1s density within the E1 data stream It replaces a block of eight consecutive binary Os with an 8 bit HDB3 code contai
49. allows the use of a variety of different transmission media such as Category 3 unshielded twisted pair wire 100Base T4 and fiber optic 100Base F cable When using the 100Base T Link Module larger packet sizes yield better performance than smaller packet sizes In general you should configure your application to use the largest packet size possible Note To obtain the highest aggregate throughput use only one of the two ports on the 100Base T Link Module Demanding high throughput from both ports simultaneously will result in some packet loss and this may decrease the performance of sensitive applications Ethernet Topologies Thick and thin Ethernet LANs use a bus topology in which devices connect directly to the backbone at both the physical and logical levels Figure 2 2 LS0003A Figure 2 2 Ethernet LAN Bus Topology Physically an Ethernet LAN using twisted pair cable comprises a string of star topologies in which devices connect to a central concentrator Figure 2 3 Logically however the cabling still has a bus topology 2 4 114078 Rev A About Line Protocols Concentrator Concentrator LS0004A Figure 2 3 Ethernet LAN Star Topology FDDI Overview Fiber Distributed Data Interface FDDI comprises a set of ANSI ISO standards that define a 100 Mb s timed token passing LAN of up to 500 nodes FDDI is used most o
50. and do not require policing Enter Leaky Bucket to apply a Leaky Bucket policing algorithm to reserved traffic 1 3 6 1 4 1 18 3 5 16 2 1 3 1 6 A 76 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Bandwidth Interval Secs XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 10 seconds 1 to 214748364 seconds Specifies the interval over which LRM measures instantaneous bandwidth Enter a time interval in seconds if the default value of 10 seconds is not sufficient 1 3 6 1 4 1 18 3 5 16 2 1 3 1 7 Inflate Reservations Percentage XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 0 percent 0 to 100 percent Specifies that LRM adds a safety buffer to each ST2 reservation on this line by increasing bandwidth requests by a specified percentage To inflate reservations made on this line enter a percent value to increase each bandwidth request Increase the value of this parameter if you notice that the LRM is discarding packets because applications generating reserved traffic are exceeding their flowspecs 1 3 6 1 4 1 18 3 5 16 2 1 3 1 8 114078 Rev A A 77 Configuring Line Services Parameter Path Def
51. and remote promiscuous address filtering on the interface Site Manager Promiscuous parameter page A 57 Clock Source The Clock Source parameter specifies whether the origin of the synchronous timing signals are supplied by the router Internal or supplied by a network device External With this parameter to Internal this router supplies the required timing signals If you set the clock to Internal set the internal clock speed as described in the next section With this parameter set to External the default an external network device supplies the required timing signals In most cases this parameter should be set to External See the Setting the External Clock Speed section You can set the clock source for the interface Site Manager Clock Source parameter page A 57 Internal Clock Speed The Internal Clock Speed parameter sets the clock speed of an internally supplied clock when the Clock Source parameter is set to Internal You cannot set this parameter when the Clock Source parameter is set to External 114078 Rev A 5 15 Configuring Line Services By default the internal clock speed is 64 Kb s Set the clock speed for the internal clock to the desired data transmission rate across the synchronous line You can set the internal clock to e 1200 2400 4800 7200 9600 19200 32000 or 38400 B e 56 64 125 230 420 625 or 833 Kb e 1 25 2 5 or 5 Mb Some routing pr
52. bandwidth over a 10 second interval If 10 seconds is not sufficient you can specify a different bandwidth interval for this interface from 1 through 214748364 seconds Site Manager Bandwidth Interval Secs parameter page A 77 Setting the Inflate Reservations Percentage By default LRM does not add a safety buffer to each ST2 reservation on a line To inflate reservations made on this line enter a percent value to increase each bandwidth request 8 8 114078 Rev A Managing Line Resources Increase the value of this parameter if you notice that the LRM is discarding packets because applications generating reserved traffic are exceeding their flowspecs Site Manager Inflate Reservations Percentage parameter page A 77 Specifying the Unreserved Policing Algorithm LRM uses one of two policing algorithms for unreserved traffic e Queue Limit Restricts the number of buffers packets of unreserved traffic that LRM queues This method of policing enables unreserved traffic to use available reserved bandwidth Set the Unreserved Queue Length parameter to specify the maximum number of packets in the queue Note If you enable priority queuing for this line the router uses the priority queue parameters to perform Queue Limit policing See Configuring Traffic Filters and Protocol Prioritization for information about priority queue parameters e Leaky Bucket Causes the router to actively
53. channel to more than one T1 circuit For example if you allocate Channels 17 through 24 to Circuit 1 on the first T1 connector you must make these channels idle or allocate them to Circuit 2 on the second T1 connector Data and Voice Pass Through To enable data and voice pass through assign identical channels to data or voice on both T1 connectors For example if the first T1 connector allocates Channels 1 through 8 to voice pass through and Channels 9 through 16 to data pass through the second T1 connector must also allocate Channels 1 through 8 to voice pass through and Channels 9 through 16 to data pass through You can assign specific functions to T1 channels Site Manager Mini Dacs parameter page A 73 4 18 114078 Rev A Chapter 5 Customizing Synchronous and Asynchronous Interfaces This chapter describes how to edit line details for synchronous and asynchronous WAN circuits in the following sections e Editing Asynchronous Lines e Editing LAPB Protocol Attributes Editing Synchronous Lines Editing Asynchronous Lines This section describes the line service parameters that you can edit for a leased line asynchronous interface See Configuring Dial Services for information about customizing asynchronous dial up lines e Enabling or Disabling the Asynchronous Driver e Setting the Maximum Transmission Unit MTU e Specifying the Start Protocol e Setting the Remote IP Address e Specifying the Rem
54. circuit type designators 1 3 claim token process 2 8 CompuServe Bay Networks forum on xxviii CRM Circuit Resource Manager 8 2 CSMA CD Carrier Sense Multiple Access with Collision Detector See Ethernet Customer Service FTP xxvii customer support See getting help cyclic redundancy check CRC 6 22 A 41 D D4 frame 2 19 4 16 DAS 2 8 DCE 5 19 default configurations 1 1 default parameters Asynchronous line B 2 ATM ARE line B 3 ATM FRE 2 line B 2 El line B 4 Ethernet line B 4 FDDI line B 5 to B 6 HSSI circuit B 6 LAPB B 7 Line Resource B 15 MCE line B 7 to B 9 MCT line B 9 to B 12 Multiline B 14 Synchronous line B 12 T1 line B 14 Token Ring line B 14 deleting line reservations 8 11 LRM services 8 12 DSO timeslots 2 19 DS1 6 10 A 50 DSX1 6 10 A 50 DTE 5 19 Dual Attachment Station 2 8 Index 2 114078 Rev A E El configuring for multiline 7 1 default parameters B 4 parameters Clock Mode 4 11 A 27 Enable 4 10 A 27 HDB3S Support 4 11 A 27 Line Type 4 10 Mini Dacs 4 12 A 28 echo frames FDDI 2 11 editing line details Asynchronous 5 2 A 14 ATM ARE 4 1 4 10 ATM FRE 2 4 6 FDDI SMT attributes 3 10 3 15 3 16 3 17 MCE1 and MCT1 6 18 Ethernet 100Base T performance considerations 2 4 default parameters B 4 media 2 3 overview 2 2 parameters BofL Enable A 2 BofL Timeout A 2 Enable A 2 Hardware Filter A 3 Interface Line
55. cou d ESR cates edat rie bn Ente dis dul etu doge 3 6 vi 114078 Rev A Eding ROD c S 3 8 Enabling or Disabling the FDDI Interface 0 cceeecceeceteeeeeeeeeeeneeeeeaeeeeeeeeeeeaeeesaes 3 8 Enabling or Disabling Breath of Life Messages cccceceessceeeeeeeeeeeeeeeteeeeeaeeesaes 3 8 HUTS iae BOL nits gras 2 xut eer pee e rere Ter au b d er RR an d pata rb deeds 3 9 Enabling ar Disabling Hardware FIterigg esie rotta idi tt raa ene Fo EX TL Ue pute A SR eaaa 3 9 Editing FDDI Station Management Attributes seeeceeeeeeneee 3 10 Specifying the SMT Connection Pollgy ssiru uisus siei duanana 3 11 Specifying the Neighbor Notification Interval sseeeseeeesee 3 13 Specifying the Propagation Expiration TIME seseeseeeeseeeeeee 3 13 Enabling or Disabling Status Report Frames sss 3 14 Enabling or Disabling Duplicate Addressing eiecit necant 3 14 Eniernng Vso Bri T M 3 14 Enabling or Disabling Media Access Control LLC sessssess 3 14 Editing FDU Pai Ainbuiee Meer MM E 3 15 Specitying the Requested TTR Ludere cux tare aa Duden 3 16 Specifying the Minimum Valid Transmission Time o on 3 16 Speeitving the Maximum TWAT Lasse secessu nti Ehre th a Ihre pner E 3 17 Edkipa POT Pie ANDOS diisi adtoh icut eenia akita dan Taa Erde pe bd g dod bandas 3 17 Bpacitying the
56. could disable it Site Manager WAN Protocol parameter page A 64 Setting Pass Through Addresses You can assign a local MAC address to the local interface using the Pass Thru Local Address parameter This address becomes the source address of packets that are bridged to the destination MAC address You assign the destination MAC address with the Pass Thru Remote Address parameter This address becomes the destination MAC address of packets that are bridged to the local MAC address Always reverse the local and remote MAC addresses at the remote synchronous pass through interface When assiging addresses use any unique MAC address of exactly 12 hexadecimal digits be sure that the second digit in the address is a zero for example lOfffabc5432 You can set a Pass Thru Local Address for the interface Site Manager Pass Thru Local Address parameter page A 63 You can set a Pass Thru Remote Address for the interface Site Manager Pass Thru Remote Address parameter page A 64 114078 Rev A 5 21 Configuring Line Services Setting the CRC Size The Cyclic Redundancy Check CRC size specifies an error detection scheme You can choose either 16 bit standard ITU T or 32 bit extended frame check sequence FCS to detect errors in the packet The remote end of the sychronous connection must be configured for the same CRC size You can set a CRC size for the interface Site
57. default You can disable or reenable each logical line Site Manager Enable Disable parameter page A 38 Enabling or Disabling Breath of Life BofL Messages Transmission of BofL packets is enabled by default on a logical line A BofL packet is sent out on the wire as often as the value you specify for the BofL Timeout You can disable or reenable BofL messages on the logical line Site Manager Breath of Life BofL Enable Disable parameter page A 38 Setting the BofL Timeout The time period between BofL packets is 5 seconds by default You can change the BofL timeout to any value from 1 through 60 seconds You can set the period between BofL messages on the logical line Site Manager BofL Timeout parameter page A 38 Enabling or Disabling Diagnostic Loopback In diagnostic loopback mode the router retransmits received data to the sender Loopback mode is disabled by default You can specify whether or not to use diagnostic loopback mode on the logical line Site Manager Fractional Loopback parameter page A 39 114078 Rev A 6 19 Configuring Line Services Viewing the Configured WAN Protocol You can view which WAN protocol is configured on this logical line Do not change the current value Caution Changing the WAN protocol does not reconfigure the interface and could disable it To change the configured WAN protocol for an interface first delete an
58. disables any switched virtual circuit SVC on which it receives or transmits no cells for the number of seconds you specify using the SVC Inactivity Timeout Secs parameter 114078 Rev A 4 7 Configuring Line Services If the SVC Inactivity Timeout is disabled the router keeps SVCs open unless you close them by another method You can enable or disable the SVC Inactivity Timeout Enable on the interface Site Manager SVC Inactivity Timeout Enable parameter page A 25 Setting the SVC Inactivity Timeout When the SVC Inactivity Timeout is enabled the router closes the SVC if it receives or transmits no cells for a default value of 1200 seconds 20 minutes You can set the SVC Inactivity Timeout on the interface to a value from 60 through 3600 seconds Site Manager SVC Inactivity Timeout Secs parameter page A 25 Editing ATM ALC Physical Attributes You need to edit ATM ALC physical attributes only when configuring a SONET OC 3 line Topic in this section include e Setting the Framing Mode e Enabling or Disabling Scrambling e Enabling or Disabling Loopback e Configuring Cell Insertion Setting the Framing Mode By default the framing mode is SONET You can change the framing mode to SDH or back to SONET Site Manager Framing Mode parameter page A 25 4 8 114078 Rev A Customizing WAN Interfaces Enabling or Disabling Scrambling Scrambling randomizes cell p
59. equal to 5 times the setting of this parameter If the router does not receive a BofL message from the remote peer before the timer expires the router disables the HSSI circuit and then attempts to restart it Accept the default 1 second or specify a new value making certain that both ends of the point to point connection are configured with the same value 1 3 6 1 4 1 18 3 4 7 1 8 114078 Rev A A 29 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID MTU HSSI Connector gt Edit Line gt Edit HSSI Parameters 4608 bytes 3 to 4608 bytes Specifies the buffer size the Maximum Transmission Unit for the HSSI port and therefore determines the largest frame that can travel across the HSSI port Set this parameter to a value appropriate for your network 1 3 6 1 4 1 18 3 4 7 1 9 WAN Protocol HSSI Connector gt Edit Line gt Edit HSSI Parameters None Standard PassThru PPP SMDS Frame Relay ATM DXI Indicates which WAN protocol you enabled on this HSSI circuit Accept this setting Changing the protocol here will not reconfigure the interface 1 3 6 1 4 1 18 3 4 7 1 12 Transmission Interface HSSI Connector gt Edit Line gt Edit HSSI Parameters DS3 DS1 DS3 Specifies t
60. nr eonun obese 5 2 PoC ANIC He Sla PEDIGRDE uiis undi ada sdeors vas aaan dit du ka Eae aarahi FEBR 5 2 pening the Remote IP Address cairear te sas en eru Din pekas eda E idEUE 5 3 Spsciving he Remote PORT ui detains nacti de ER PEEL wien tea 5 3 Speca Ie Local PORT occian radi E ed A ue uL Gp duc 5 3 oto e Baud FUA arianisme ei Rertesnc ts attaructaaheuieatescangoersaducmaadeleasiqtests 5 4 Seting Be IG TIME Lus cocoa oce t tete a rt Rabbi RU rotis ad a et anaes 5 4 Set ng die TOP Recens Window SIZB rrisnin bebe ips bes eri 5 4 Setting the TCP Keepalive Message Interval seesseeeesseseeee 5 5 Setting the TCP Inactive Limit eseeesessseees seen 5 5 Setting the Maximum Transmit Queue Length eese 5 6 Setting the Maximum Receive Queue Length sssssessseeneeee 5 6 Editing LAPB Protocol UOTE issiran tix pugne lis Erde chaddadade aanita Erase danda ire bud 5 7 Enabling or Disabling LAPB Serine decuit era tef Seins e iiia 5 7 Seung Ne Staon TPE ioii aai N 5 8 Setting the Control Field PEE T 5 8 Settngihe Maximum NI Frame SIZE c 5 8 Senna ibe WNA SZE dini haii aiaa adaa adai Lt bue 5 9 Sowno ee DE Biss y COUME ceninin niaaa 5 9 Seting me T Acknowledge TIME seriinin a 5 9 Setting the Sequenced Frame T2 Acknowledge Timer ssuss 5 10 regu NECARE IET E D E 5 10 Seting me LINK SOU OH eise eraat er me te OR NNA 5 10
61. of seconds 1 3 6 1 4 1 18 3 4 5 1 21 Extended Address COM Connector gt Edit Line gt Edit Sync Parameters Disable Enable Disable Enables or disables testing of the address length When you set this parameter to Enable the router tests the first bit of the address to determine the length of the address in octets Accept the default or select Enable 1 3 6 1 4 1 18 3 4 5 1 22 Extended Control S and I frames COM Connector gt Edit Line gt Edit Sync Parameters Disable Enable Disable Allows the control fields of all S and I frames to become two octets in length instead of one Numbering of all I frames becomes Modulo 128 instead of Modulo 8 Accept the default or select Enable 1 3 6 1 4 1 18 3 4 5 1 24 114078 Rev A A 61 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Transmit Window Size COM Connector gt Edit Line gt Edit Sync Parameters 1 frame 1 to 7 frames Controls the number of I frames that can be transmitted without acknowledgment Either accept the default value or enter a new value 1 3 6 1 4 1 18 3 4 5 1 27 Minimum Frame Spacing COM Connector gt Edit Line gt Edit Sync Parameters 1 flag 1 to 32 flags Specifies the number of flags transmi
62. on the network This also becomes the polling cycle for monitoring FCS errors You can set the KG84A timer cycle to 5 10 25 50 100 200 or 500 milliseconds on this interface Site Manager KG84A Cycle parameter page A 65 KG84A Sync Loss Interval By default the router waits 50 cycles after detecting an FCS error to receive a valid frame before declaring that a loss of synchronization has occurred You can set the KG84A loss interval to 5 10 25 50 100 200 or 500 cycles on this interface Site Manager KG84A Sync Loss Interval parameter page A 66 KG84A Remote Resync Wait By default the router waits 200 cycles when synchronization is lost and a remotely initiated resynchronization has been detected You can set the number of cycles that the router waits for the remote KG84A device to complete a resynchronization operation to 2 5 10 25 50 100 200 or 500 After this number of cycles the router software determines that the resynchronization failed and initiates another resynchronization Note that if you press the RESYNC button on the local KG84A device the router responds as if it detected a remotely initiated resynchronization Use different settings at each end of the point to point link to avoid a possible race condition You can configure the KG84A resynchronization wait on this interface Site Manager KG84A Remote Resync Wait parameter page A 66 114078 Rev A 5 2
63. or MCTI Port Actions Figure C 2 window appears BERT Mode Enable DISABLE Line Coding HDB3 m BERT Send Alarm DISABLE Line Type E1 BERT Test Pattern ONES International Bit DISABLE m Send Commands Apply Figure C 1 MCE1 Port Actions Window C 2 114078 Rev A Testing MCE1 and MCT1 Interfaces BERT Mode Enable DISABLE 7 Line Coding BERT Send Alarm DISABLE 7 Line Type BERT Test Pattern oS E Signal Level Send Commands Reset BERT Counters Loop Up FIL Line Loop CI Insert 1 Error Loop Down FDL Line Loop IA Insert 1 Error 1K FDL Line Loop IB Insert 1 Error iM FDL Payload Loop FDL Disable Line Loop Disable Insert Error FDL Disable Payload FDL Disable ALL Apply Done Figure C 2 MCT1 Port Actions Window 4 Edit the port action parameters located in the upper portion of the window Enabling or Disabling BERT Mode e Setting the BERT Alarm Type e Setting the BERT Test Pattern e Setting the Line Coding Method e Setting the Line Type e Enabling or Disabling the International Bit MCEI Only e Setting the Signal Level MCT1 Only 5 Click on Apply 6 Click on Done 114078 Rev A C 3 Configuring Line Services Enabling or Disabling BERT Mode Enable BERT mode for BERT testing By setting this parameter you enable or disable BERT mode on all logical lines on all but QMCT1 interfaces On QMCT1 interfaces you can enable or di
64. pairs of wires to carry 30 voice or data transmissions Table 2 3 shows the specification for an E1 line Table 2 2 Specification for E1 Line Attribute Value Framing rate 8000 frames s Channels per frame 32 Line speed 2 048 Mb s E1 services 2 048 CEPT are the European equivalent of T1 services and operate in a similar fashion See T1 Overview for more information 114078 Rev A 2 15 Configuring Line Services HSSI Overview The High Speed Serial Interface HSSI provides a high speed interface supporting bandwidth intensive applications such as host to host links disaster recovery and image processing HSSI eliminates the typical bottleneck created by differences between LAN and WAN speeds The HSSI interface supports full duplex synchronous bit rates from 300 Kb s through to 52 Mb s HSSI provides connection to high speed circuits such as T3 ES and SONET OC 1 and to high speed WAN switching services including Frame Relay SMDS and ATM DXI HSSI link module also supports a remote line loopback mechanism to test circuit integrity The DSU DCE signals and requests a loopback from the router data terminal equipment or DTE to check the DTE to DCE connection This loopback test speeds failure isolation and enhances network reliability ISDN Overview Integrated Services Digital Network ISDN Basic Rate Interface BRI interface is an IEEE 802 9 compliant interface that allows an access no
65. periodic transmission of Network Service Address Network Interface Function NSA NIF frames to the source Accept the default Enable if you want to test for duplicate addresses Specify Disable if you do not want to test for duplicate addresses 1 3 6 1 4 1 18 3 4 15 1 3 1 18 A 8 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters FDDI MAC Attribute Parameters LLC Data Enable FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt MAC Attributes gt FDDI MAC Attributes Enable Enable Disable Specifies whether the MAC is available to transmit and receive Logical Link Control LLC Protocol Data Units PDUs If you accept Enable the interface to the MAC entity is available to exchange PDUs between the MAC and the local LLC entity when the ring becomes operational Setting this attribute does not affect transferring and receiving MAC or SMT frame types Accept the default Enable if you want the MAC available for transmitting and receiving LLC PDUs specify Disable if you do not want the MAC available for transmitting and receiving LLC PDUs 13 6 1 4 1 18 3 4 15 2 3 1 17 FDDI Path Attribute Parameters Tvx Lower Bound ms FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path
66. ring The ring remains in steady state until a new claim token process occurs for example when a new node joins the ring 4 The nodes pass the token from one node to another on the FDDI ring A node on the ring captures the token when it wants to transmit data and then transmits data to its downstream neighbor 6 Each node reads and repeats frames as it receives them If a node detects an error in a frame the node sets an error indicator 7 A frame circulates on the ring until it reaches the node that first transmitted it That node removes the frame from the ring 8 When the first node has sent all of its frames or exceeded the available transmission time it releases the token back to the ring Station Timers Each node uses three timers to regulate its operation in the ring Token rotation timer TRT e Token holding timer THT e Valid transmission timer TVX The TRT times the period between the receipt of tokens TRT is set to varying values depending on the state of the ring During steady state operation the TRT expires when the actual token rotation time exceeds the TTRT The THT controls the length of time that a node can hold the token to transmit frames The value of the THT is the difference between the arrival time of the token and the TTRT 114078 Rev A 2 9 Configuring Line Services The TVX times the period between valid transmissions on the ring When the node receives a valid frame or token
67. router Circuit Resource Manager CRM feature LRM lets you define a certain percentage of a particular line s bandwidth as reservable Applications that require a guaranteed QoS can negotiate for the reservable bandwidth When the router honors a reservation request the LRM allocates bandwidth from the reservable bandwidth reducing the bandwidth available for other requests Supported Media You can enable the LRM on 10 Mb s Ethernet MCT1 HSSI and synchronous interfaces LRM supports the following synchronous interface encapsulation methods e Point to Point Protocol PPP e Bay Networks Standard e Frame Relay e ATMDXI Note You cannot use line resource management on a line you configured for PPP multilink How LRM Works with ST2 The following summarizes the exchange between the ST2 agent and the LRM 1 The router receives an ST2 connect request The ST2 connect request includes a flow specification flowspec that indicates the resources needed to meet the QoS 2 ST2 passes the flowspec to the LRM The LRM compares the requested resources with available reservable bandwidth LRM determines reservable bandwidth from configured values described later in this chapter It also accounts for any active reserved flows 4 The LRM either reserves the necessary services or refuses service 8 2 114078 Rev A Managing Line Resources Starting the LRM To enable the LRM for reserving and allocating bandwid
68. section Configuring the CSMA CD Automatic Negotiation Protocol 114078 Rev A 3 3 Configuring Line Services Full Duplex Congestion Control Currently some vendors implement 100Base T full duplex operation with congestion control a form of flow control while others do not You must configure full duplex operation with or without congestion control to be compatible with the remote equipment in your network Site Manager Interface Line Speed parameter page A 3 Configuring the CSMA CD Automatic Negotiation Protocol When you set the line speed to Automatic Negotiation on a 100 Mb s Ethernet line the Configuration Manager prompts for additional information Figure 3 1 Done Configure Line Capabilities View Auto Negotiation Status 7 Figure 3 1 Auto Negotiation Configuration Prompt Click on Configure Line Capabilities The Auto Neg Advertising Capabilities window appears Figure 3 2 3 4 114078 Rev A Customizing LAN Interfaces Auto Neg Advertising Capabilities Cancel OK Line Advertising Capabilities Figure 3 2 Auto Neg Advertising Capabilities Window Selecting Line Advertising Capabilities Site Manager negotiates with remote nodes that also have automatic line negotiation by advertising the capabilities of this 100 Mb s interface By default Site Manager advertises 100Base TX both half and full duplex Note that full duplex support is without conge
69. that full duplex support negotiated automatically is without congestion control To configure a specific line speed select one of the following e JOOBASE TX 100BASE FX half duplex over either twisted pair or fiber cabling e 1OOBASE FD full duplex without congestion control e JOOBASE FD w Cong Control full duplex with congestion control Selecting a specific line speed configuration disables AUTO NEGOTIATION 1 3 6 1 4 1 18 3 4 16 1 1 4 114078 Rev A A 3 Configuring Line Services Parameter Path Default Range Function Instructions MIB Object ID Line Advertising Capabilities XCVR Connector 100Base T only gt Edit Line gt Edit CSMA CD Parameters gt Interface Line Speed parameter AUTO NEGOTIATION gt OK gt Configure Line Capabilities gt Line Advertising Capabilities 11 00101110111 Specifies the line configurations available to remote nodes that have automatic line negotiation capability Select the code for the desired line advertising e JOOBASE TX half duplex only 10 e JOOBASE TX full duplex only 01 100BASE TX both half and full duplex 11 No advertising 00 1 3 6 1 4 1 18 3 4 16 1 1 9 FDDI Line Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the FDDI Line Parameters for an FDDI interface from the Configuration Manager Enable FDDI Connector Edit Line Edit FDDI Parameters Enable Enable
70. that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ii 114078 Rev A Bay Networks Software License Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not grant any Software license whatsoever e
71. the Signal Mode You use the Signal Mode parameter to set either Balanced or Unbalanced transmission on an interface depending on the signaling mode of the connected device Balanced transmission uses two conductors to carry signals unbalanced transmission uses one conductor to carry a signal with a ground providing the return path You can set Balanced or Unbalanced transmission for the interface Site Manager Signal Mode parameter page A 58 Enabling or Disabling RTS Signals The RTS Enable parameter enables or disables the detection of request to send RTS signals on this interface Set this parameter to Enable if the connected device for example a modem or a KG84A cryptographic device uses RTS CTS flow control You can enable or disable RTS signals for the interface Site Manager RTS Enable parameter page A 59 Enabling or Disabling DMA Burst Cycles The Burst Count parameter specifies single or multiple DMA burst cycles With this parameter set to Enable the chip performs eight word bursts With the parameter set to Disable the chip performs single word burst cycles This is a performance tuning parameter Set it to Enable except when configuring an interface on these link modules e DSDE 5430 Dual Synchronous Dual Ethernet e DSE 5420 Dual Synchronous Single Ethernet Set it to Disable if excessive TxUflo or RxOflo errors occur on the Ethernet ports 114078 Rev A 5 17
72. to use the signal coming in from Port 1 Select Port 2 Ext Loop to use the signal coming in from Port 2 Dual or Quad Port Modules only Select Port 3 Ext Loop to use the signal coming in from Port 3 QMCTI modules only Select Port 4 Ext Loop to use the signal coming in from Port 4 QMCTI modules only e Select Auxiliary Ext to use an external source via BNC connectors 114078 Rev A 6 3 Configuring Line Services Site Manager Primary Clock parameter page A 44 MCE1 Site Manager Primary Clock parameter page A 48 MCT1 Site Manager Primary Clock parameter page A 54 QMCT1 2 Set the secondary backup clock source using the same options The router uses the secondary clock only when the primary clock becomes unavailable Site Manager Secondary Clock parameter page A 44 MCE1 Site Manager Secondary Clock parameter page A 48 MCT1 Site Manager Secondary Clock parameter page A 54 QMCT1 3 Click on OK 4 Continue with e Customizing MCEI Port Details e Customizing MCT1 Port Details Customizing MCE1 Port Details You set values for configurable MCEI line service details and enable or disable the MCEI interface at the MCEI Port Parameters window Figure 6 2 The MCEI port parameters apply to each of the 31 DSO channels timeslots that an individual MCE1 port connector provides To customize MCEI port parameters select new values for the parameters you want to edit
73. token protocol 2 9 time fill pattern interframe 6 21 A 41 timeslots 2 19 MCE1 6 25 6 27 Token Ring default parameters B 14 overview 2 13 parameters Early Token Release A 13 Enable A 12 MAC Address Select A 13 Speed A 13 token rotation timer 2 9 token holding timer 2 9 TTP timed token protocol 2 9 V valid transmission timer 2 9 W World Wide Web Bay Networks home page on xxvii wrapping FDDI 2 7 Index 114078 Rev A Index 7
74. use the signal coming in from Port 2 Select Port 3 Ext Loop to use the signal coming in from Port 3 Select Port 4 Ext Loop to use the signal coming in from Port 4 Select Auxiliary Ext to use an external source via BNC connectors Site Manager Primary Clock parameter page A 54 Setting the Secondary Clock Source QMCT1 You can specify a backup source for timing signals Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming in from Port 1 Select Port 2 Ext Loop to use the signal coming in from Port 2 Select Port 3 Ext Loop to use the signal coming in from Port 3 Select Port 4 Ext Loop to use the signal coming in from Port 4 Select Auxiliary Ext to use an external source via BNC connectors Site Manager Secondary Clock parameter page A 54 114078 Rev A 6 13 Configuring Line Services Configuring Non PRI Logical Lines Logical lines are the logical paths for data communications on a physical connection Add logical lines for an MCE1 or MCTI port by 1 Defining Logical Lines 2 Customizing Logical Lines 3 Assigning Timeslots After you customize the port parameters for a non PRI circuit the MCEI or MCTI Logical Lines window appears Figure 6 4 EI Slot 3 MCT1 2 Logical Lines Port Details Enable Disable Breath Of Life BOFL Enable Disable BOFL Timeout seconds Fractional Loopback WAN Protocol Service Figure 6
75. 1 3 6 1 4 1 18 3 4 5 1 14 Signal Mode COM Connector gt Edit Line gt Edit Sync Parameters Balanced Balanced Unbalanced Specifies balanced or unbalanced transmission Balanced transmission uses two conductors to carry signals unbalanced uses one conductor to carry a signal with a ground providing the return path Set this parameter to either Balanced or Unbalanced depending on the signaling mode of the connected device 1 3 6 1 4 1 18 3 4 5 1 15 A 58 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters RTS Enable COM Connector gt Edit Line gt Edit Sync Parameters Disable Enable Disable Enables or disables the detection of RTS signals on this interface Set this parameter to Enable if the connected device for example a modem or a KG844A cryptographic device uses RTS CTS flow control For manual dial modems 2 wire set this parameter to Enable For leased modems 4 wire set this parameter to Disable 1 3 6 1 4 1 18 3 4 5 1 16 Burst Count COM Connector gt Edit Line gt Edit Sync Parameters Enable Enable Disable Specifies single or multiple DMA burst cycles If you set this parameter to Enable the chip performs eight word bursts If you set this parameter to Disable single word burst cycles are performed Select Ena
76. 1 channels to both T1 circuits Select Circuit 2 to assign the channel to the second E1 connector 1 3 6 1 4 1 18 3 4 10 1 11 114078 Rev A A 73 Configuring Line Services Editing Multiline Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the Data Path Chooser parameter from the Configuration Manager Data Path Chooser Interface Connector for a Multiline Circuit gt Edit Circuit gt Lines gt Multiline gt Edit Multiline Options Address Based Address Based Random Specifies how this multiline circuit distributes outbound traffic over its data paths Select Address Based if the router always uses the same data path to send traffic between the same source and destination address This method ensures that packets arrive in the correct sequence Select Random if the router assigns a set of numbers to each data path The router then generates a random number for each outbound packet and assigns the packet to the data path with the matching number This method ensures even distribution of traffic among the data paths in a multiline circuit but does not ensure that packets arrive in the correct sequence 1 3 6 1 4 1 18 3 5 1 4 1 1 23 A 74 114078 Rev A Site Manager Line Services Parameters Editing Line Resource Reservation Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Pa
77. 22 SUING TG MTU DIZE e EE 6 22 Enabling or Disabling Remote Loopback Detection seussssss 6 22 Enabling or Disabling BERT Mode QMCT1 only ececeeeeseeeeeeeeeeeeeeeees 6 23 Setting the BERT Test Pattern QMCT1 only 6 23 Enabling or Disabling Fractional T1 Loopback Code QMCT1 only 6 24 Accessing Line Resource Reservation QMCT1 only s es 6 24 PSION CIRISBIDIS quies ed DERE ates edd UD PRU breed ui bui M ria ddeed 6 25 Configuring ISDN PRI Logical Lines se oM Se dns uS ONIn TONY 6 27 Chapter 7 Configuring Multiline Services Overview of Multiline Configurations siisriisiisisisssia tacesesteaunnnecatoneascaedaadarstegacandeni nuns 7 1 Benefits ora Multiline Configulalllt ias ocaeca tede teclas dien pr nena aidia 7 2 Ju rugps3 cups c eee 7 2 Types of Multiline Circuits TER PEE aa 7 3 Grounna Data PAINE iarria aaa i aaa 7 4 Miine Tame TCSII scans snd a nie Ya idana ananisikia iai inaani ia 7 5 Address Dassd Selecto ncara 7 5 Rendon osle egre eeo EU ER E NAP 7 6 Fame Relay Consta FIB 2 M m et tretezs td D DEEP nanan deb fuU a 7 6 mtu dec 7 6 Bardwidimon Demand BOD e EC 7 7 Ses TUR NUNE anaa 1 0T 7 7 xii 114078 Rev A Grouping Physical Synchronous Lines into a Multiline Circuit 7 7 Adding Physical Synchronous Lines to a Circuit
78. 45 consecutive Os You can set the line coding for this MCEI interface Site Manager Line Coding parameter page A 49 Setting the Signal Level The Signal Level parameter specifies the T1 transmit power level in decibels dB The DS1 values of 15 and 7 5 dB are long haul and the carrier determines these values if 0 0 dB is not sufficient The DSX1 values of 0 0 0 5 0 8 1 1 and 1 5 dB are short haul and correlate with cable length as follows e 0 0 dB 0 to 133 ft e 0 5 dB 133 to 255 ft e 0 8 dB 266 to 399 ft e 1 1 dB 399 to 533 ft e 5dB 533 to 655 ft By default the signal level is set to 0 0 dB You can set the signal level for this MCTI interface Site Manager Signal Level dB parameter page A 50 Setting the Alarm Threshold Time By default the MCT1 interface waits 2 seconds before logging a performance defect or anomaly as an event message You can change that time to any value from 2 through 10 seconds 6 10 114078 Rev A Configuring MCE1 and MCT1 Interfaces You can set the alarm threshold for this MCT1 interface Site Manager Setup Alarm Threshold seconds parameter page A 50 Setting the Alarm Threshold Clear Time By default the clear time for performance failure conditions is 2 seconds If the defect or anomaly clears within this time interval MCT1 records a performance cleared condition and logs an event message You can change th
79. 6 1 4 1 18 3 4 15 1 3 1 8 114078 Rev A A 7 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Status Report Protocol FDDI Connector gt Edit Line gt Edit FDDI Parameters Enable Enable Disable Specifies whether the node will generate Status Report Frames SRFs for its implemented events for example high bit errors topology changes trace status events MAC frame error condition port LER condition and MAC duplicate address condition Accept the default Enable if you want the node to generate SRFs specify Disable if you do not want the node to generate SRFs We recommend using Enable to ensure that your FDDI network is ANSI compliant 1 3 6 1 4 1 18 3 4 15 1 3 1 14 Trace Max Expiration ms FDDI Connector gt Edit Line gt Edit FDDI Parameters 7000 milliseconds 7 seconds 6001 to 256000 milliseconds Specifies the maximum propagation time for a trace on an FDDI topology Enter a value from 6001 to 256000 We recommend accepting the default value of 7000 milliseconds 1 3 6 1 4 1 18 3 4 15 1 3 1 15 Duplicate Address Protocol FDDI Connector gt Edit Linee gt Edit FDDI Parameters Enable Enable Disable Implements an optional ANSI duplicate address test involving
80. 9 Configuring Line Services KG84A Sync Pulse By default the router transmits a 10 millisecond pulse to the KG84A device when it is necessary to initiate KG84A resynchronization The router uses the RTS signal of the V 35 interface which connects to the KG84A device s synchronous signal via a special cable to initiate KG84A resynchronization When the router wants to initiate KG84A resynchronization it changes the value of the synchronous signal from low to high The KG84A pulse length is the number of milliseconds that the synchronous signal retains its high value You can set pulse length from 2 through 4096 milliseconds on this interface Site Manager KG84A Sync Pulse parameter page A 67 5 30 114078 Rev A Chapter 6 Configuring MCE1 and MCT1 Interfaces This chapter describes how to use the Configuration Manager to add Multichannel E1 MCE1 or Multichannel T1 MCT1 circuits to a Bay Networks router that contains a MCEI or MCT1 link module or net module Sections of this chapter describe e Configuring MCEI and MCT Ports e Configuring Non PRI Logical Lines e Configuring ISDN PRI Logical Lines See Appendix C for information about testing configured MCE1 and MCTI lines Configuring MCE1 and MCT1 Ports Complete the steps in this section to configure an MCEI or MCTI circuit by 1 Selecting the Port Application 2 Setting the Clock Parameters 3 Enabling or Disabling the MCEI Port 4 Customizin
81. 9 Click on Apply 10 Click on Done The Configuration Manager window appears 114078 Rev A 6 29 Chapter 7 Configuring Multiline Services This chapter describes how to configure multiline services over the following types of WAN media Synchronous Bay Networks Standard PPP and Frame Relay protocols TI E1 MCEI MCTI HSSI Topics in this chapter include Overview of Multiline Configurations Configuring Multiline Overview of Multiline Configurations A multiline configuration is a circuit that consists of more than one WAN data path A data path is a connection between two points and can be a permanent physical line a dial up physical line or a virtual circuit connection Read this section for information about multiline configurations Benefits of a Multiline Configuration Multiline Example Types of Multiline Circuits Grouping Data Paths Multiline Traffic Distribution Frame Relay Considerations 114078 Rev A 7 1 Configuring Line Services e PPP Multilink e Bandwidth on Demand BOD Benefits of a Multiline Configuration Using a multiline configuration rather than a single path provides the following advantages e Greater bandwidth between two sites Bandwidth is the rate at which traffic travels on the circuit A multiline circuit has greater bandwidth because traffic can travel via more than one data path Greater degree of fault tolerance In a multiline configuration multiple data pa
82. Attribute Parameters Louie sp en ERR Fea EE FOU HLn XEET PY E Gar B 6 FDDI Port Attribute Parameters sssssseeennnns B 6 HSSIiLne Pala MO LBIS gas aciaaecadeieacemtie iencnesteiancetecta tacked ac Li vene ERe ci eee teni Leben B 6 LAFE Farane Loss popa er gv bri or OR bred nda pau c B 7 POG 1 Clock PHISIBREES a ssete i sierra eet eFeo Ta eoe bee naiai B 7 MCE Port Application Parameters 225 d eio tine rae rx EL dede i B 8 MOET Part Pate felil 2er edat niani CESARE Rede aaa nd aa Fe ad Na aeta utu B 8 MOGET Logical Line Parsmele S uriini B 8 MCE1 Port Action Parameters usseo comporte oomen ERE nee oen FER neca B 9 MCT1 Clock Parameters All Modules except QMCT1 sssse B 9 MCT Part Applicaton Parameters cimi eo sentib ad eu due Resa ac e netos B 9 OMOTI Clock PAFAITIBIBIS quusscqudpmide dia aed d elo docs B 10 RIG Part Panama O S iasocuesirto Dx dee x CELA EKE CHRIS GKKKH EXE AEEE PELA SE KEPE LIS B 10 xix Table B 23 MCT1 Logical Line Parameters cccccccesseeeeseeeeeteeeeeeeeessaeeeseneeees B 10 Table B 24 MCT1 Port Action Parameters ccccccccccssssceceeesseceeceeeseeeeeeenstseeeeees B 11 Table B 25 QMCT1 Logical Line Action Parameters ssesssssseees B 12 Table B 26 Synchronous Line Parameters eee rtr nr rrr eo B 12 Table B 27 T1 Line Parameters TN UT T B 14 Table B 28 Token Ring Line Parameters iuuiees scie oorr nitent kde hee s
83. Carrier Function Specifies the source from which the router accepts performance messages Customer Inst indicates that the router accepts messages only from the customer installation and Carrier indicates that the router accepts messages only from the carrier You configure this parameter only for QMCTI link modules Instructions Select the source for inbound performance messages MIB Object ID 1 3 6 1 4 1 18 3 4 9 3 1 19 114078 Rev A A 53 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Primary Clock QMCTI Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Port 1 Ext Loop Internal Port 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the primary source of the timing signals Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Select Port 3 Ext Loop to use the signal coming in from Port 3 QMCTI only Select Port 4 Ext Loop to use the signal coming in from Port 4 QMCTI only Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 18 1 3 Secondary Clock QMCTI Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Internal Internal Por
84. EO ci mri 2 13 Token Ring DESDE scc qii dec parete dn e ede M UE U odi EL M bodies 2 13 Hs ud rli eviter ETUR 2 13 Data Flow and Media Access ODIO iaaiico iere ace eser tian nnana 2 14 Genen pr WAN PESIOORN scc ct rede Ri ep Frac On RE on Sdn Rep p sat er ER ner Ere kia 2 15 RC Ilo metr A 2 15 nimi E 2 16 SARI E Qu NE TENE RE 2 16 Link Access Procedure Balanced LAPB Protocol Overview 2 17 MGE and dl OMG tT 2 17 xg nope COON arsaa T o eaii EDA AEEA adaa hun 2 18 Ty ee 2 18 brane POIDS viendo erry tr et er eet i adita dU occu ido ride 2 19 Bipolar Format ievistends P EE E ees TE 2 20 Become 2 22 Chapter 3 Customizing LAN Interfaces Eding NSD DI epe aa deaanccddte eaandrgialgaalutesie a dia 3 1 Enabling or Disabling an Ethernet Interface suninri 3 2 Enabling or Disabling Breath of Life Messages T 3 2 Selong he Bol Merval ssania 3 2 Enabling or Disabling Hardware Filtering e ccceseeeeeeeeseeeeeeeeeeeeeeeeeeeeeaeeeeetsaes 3 3 Setting the 100 Mb s Interface Line Speed eese 3 3 Automate Hne erg E iain ici iu cocaine ar aeniatiees 3 3 Ful Bupiox Congestion COP cticcuii ua ce aa ute dude 3 4 Configuring the CSMA CD Automatic Negotiation Protocol sssssss 3 4 Selecting Line Advertising Capabilities ssseeeeeeeeeen 3 5 viewing Line Negotiation Status sun
85. ESF lines you can also set the Facility Data Link FDL mode Setting the FDL Mode for ESF Line Types The MCT1 interface selects a Facility Data Link FDL mode only when the line is configured with an ESF line type You can select one of the following ESF line types e ANSI 403 the default ANSI 403 mode conforms to the 1989 ANSI T1 403 specification Carrier to Customer Installation DSI Metallic Interface e AT amp T 54016 AT amp T 54016 conforms to the 1989 AT amp T specification Requirements for Interfacing Digital Terminal Equipment to Services Employing the Extended Superframe Format Site Manager FDL Configuration parameter page A 51 Setting the Line Coding Method By default the MCTI interface uses bipolar with 8 zero substition B8ZS line coding B8ZS line coding replaces a block of eight consecutive binary Os with an 8 bit B8ZS code containing bipolar violations in the fourth and seventh bit positions of the substituted code In the receive direction the B8ZS code is detected and replaced with eight consecutive binary Os 114078 Rev A 6 9 Configuring Line Services You can select AMI line coding method instead AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCE link module remains synchronized upon receiving up to
86. Enabling or Disabling Test Exchange Identification XID Frames 5 11 114078 Rev A ix Enabling or Disabling Receiver Ready RR Frames see 5 11 Selecting the Local Command or Response Address ssssssssss 5 11 Viewirm the WAN Protocol ii cpic idco edes di dh ee cde oe M epa td eoa LEER M de aliis 5 12 Editi S ICIS WINGS aid b i OR Dre edd ide pd ba aed dis 5 12 Enabling or Disabling a Synchronous OIFCUIE ressis cease Rt etra a ur tetx an Rr esee RR RR a 5 13 Enabling or Disabling Breath of Life Messages acsi ereetn tmt canna 5 13 tI ME BOIL TV aoaia A a aiaa daa ax aniani bra ts 5 14 Setting the Maximum Transmission Unit MTU essssseeeeen 5 14 Enabling or Disabling Remote Address Filtering eeeeeessesss 5 15 Genma he CIO dors re EET ERE TENERA 5 15 regu M su mg o der T 5 15 Seting ine External Glock Speed isses aeris rn tr rk unten NiE 5 16 eat ng die Signal IBS uiisaie beider brdbbo put isaE AS 5 17 Enabling or Disabling RTS Signals 25 5 iorcidseta opea erede tla gei eu Ide rea ee n dise 5 17 Enabling or Disabling DMA Burst Cycles 1 isis enint ttn enc eee 5 17 Specifying the Link Level Protocol T i vndas eet 5 18 Setting ihe Transmit Window SIZE eiecti nete hh en rb enc err Eo tod aereas 5 18 Seting Minimum Frame SPAGN ucsaudus iaa teduci du xad x niaan itid ceca dena add dd eed 5 19 Spe
87. FDL Disable ALL Apply Logical Lines Figure C 3 QMCT1 Port Actions Window C 8 114078 Rev A Testing MCE1 and MCT1 Interfaces To set the QMCT1 test parameters 6 Click on Logical Lines The QMCT1 Logical Line Actions window appears Figure C 4 BERT Mode Enable DISABLE BERT Test Pattern ONES E Accept Fractional Loopback ENABLE 7 Accept Fractional Loopback Proprietaru DISABLE 7 7 Send Commands Frac Loop Up Insert 1 Error Frac Loop Doun Insert 1 Error 1K Insert 1 Error 1M Disable Insert Error Clear Frac Loop Apply QMCT1 Slot 4 Conn 4 Logical Line 1 Figure C 4 QMCT1 Logical Line Actions Window 7 Edit the Logical Line Action parameters When you have set the test parameters you can test the line To test the QMCTI line 1 Start at the QMCTI Logical Line Actions window 2 Click on the appropriate Send Command 114078 Rev A C 9 Configuring Line Services Refer to Table C 2 for a list of the commands and their functions Table C 2 Send Commands for QMCT1 BERT Mode Send Command Function Frac Loop Up Sends a loop up code to the remote end Insert 1 Error 1K Inserts a deliberate error into every thousandth position in the bit stream Clear Frac Loop Transmits a loopback deactivate code to the remote end Insert 1 Error Inserts a single non repeating error into the bit stream Insert 1 Error 1M Inserts a deliberate error into every millionth position
88. HDLC address and control fields to the frame Set this parameter as appropriate for this circuit If X 25 is enabled on this line you must set this parameter to LAPB 1 3 6 1 4 1 18 3 4 5 1 18 Retry Count COM Connector Edit Line Edit Sync Parameters 16 attempts 1 to 64 attempts Indicates the number of retransmission attempts allowed per frame before a line is declared down Accept the default or enter a number from 1 to 64 1 3 6 1 4 1 18 3 4 5 1 19 Link Idle Timer COM Connector Edit Line Edit Sync Parameters 9 seconds to 9999 seconds Indicates the number of seconds before a line is determined to be idle An idle line is disabled Accept the default or enter a number from 1 to 9999 1 3 6 1 4 1 18 3 4 5 1 20 A 60 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Retry Timer COM Connector gt Edit Line gt Edit Sync Parameters 300 tenths of a second 3 seconds 1 to 99999 tenths of a second Indicates the time the router waits for a response from the link The router sends Link Control frames when this timer expires resends the frames up to the value of the Retry Count parameter and then disconnects the link Enter a timeout value in tenths
89. I Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path Attributes 165 milliseconds ms Variable This value must be greater than the value specified for the TVX Lower Bound ms parameter and less than or equal to the value specified for the T_Max Lower Bound ms parameter Specifies the target token rotation time carried in claim frames issued by the FDDI station Accept the default of 165 ms or enter a new value in milliseconds 1 3 6 1 4 1 18 3 4 4 1 32 A 10 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters FDDI Port Attribute Parameters LER Cutoff FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Port Attributes gt FDDI Port Attributes 7 4to15 Specifies the link error rate estimate at which a link connection is broken It ranges from 10 to 10 5 and is reported as the absolute value of the base 10 logarithm Accept the default value of 7 or specify a new value 1 3 6 1 4 1 18 3 4 15 4 3 1 17 LER Alarm FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Port Attributes gt FDDI Port Attributes 8 4 to 15 Specifies the link error rate estimate at which a link connection generates an alarm It ranges from 10 to 10 5 and is reported as the absolute
90. LER CO iuiadisdecios ctis aici teed ainda Erbe REM cien au taids 3 17 Speciving the Link Error Hale Alai iaa uinci ec xt rented actes 3 17 Editing Token Ring LIEBE seisine T Ciena 3 18 Enabling or Disabling a Token Ring WIGITACE serre tt ertt ne canna 3 18 Specifying a MAC Address Override ccccceceeeceeececeeeeeeeeceeeeeeeaeeeeeaeeeeeaaeeneaes 3 18 opeciing a MAC Address SOUS scisccictissdeisssenentetenisadleamndsabetnaialamanndlenoddes 3 19 Spacilving The RNg SES 1g ica t Had e en PR adit ea eR Vu dads 3 19 Enabling or Disabling Early Token Release sse 3 19 Chapter 4 Customizing WAN Interfaces Edino AIM AME ONGS caribien oniinn aena Mab duSlen ats Duet dandi idu 4 1 Enabling or Disabling the TM ABE DEBE iocis eto p Edd b tek esei 4 2 Setting the Maximum Transmission Unit MTU sese 4 2 Phasing of Disabling Data Path Noty 1c ie itu btt Od edd uk Lebe caeci 4 2 Setting ie Data Pelr Nowy TIMEOUT cuicausicsmbau scene iinne canine ania aAa 4 3 Enabling or Disabling the SVC Inactivity Timeout sseeseeeeeee 4 3 oetumg is Svo acms EETOQUL us aca sgguenassuanie pA I aane ekaa te DA pegas 4 3 114078 Rev A vii Sewing me Faning Mode 2a caeso or eR 1 ti teaseesqasaoadeetiunancdouipasceuaannedad 4 4 SIBI Mee COEK ID DOG escala credula dat duncwedd Cruden abdo uda d b du asa Esp a dad eee dud 4 4 Setting the Physical Line Length DS3 Modules Only
91. Line Driver Attributes Short Short Long Conditions router signals to mitigate attenuation which depends on the physical length of the line You can set this parameter only when using DS3 modules Select Short for lines shorter than 225 ft select Long for lines 225 ft or longer 1 3 6 1 4 1 18 3 4 23 3 2 1 23 A 22 114078 Rev A Site Manager Line Services Parameters Parameter Path Default Options Function Instructions MIB Object ID DS3 E3 Scrambling ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes On On Off If you select On the router randomizes cell payload sufficiently to guarantee cell synchronization If you select Off cell synchronization problems may result Note that ATM devices with different scrambling settings cannot communicate For example if you configure a router to enable scrambling and configure a hub to disable scrambling the router and hub cannot communicate You can set this parameter only when using DS3 and E3 modules Select On or Off If you select On be sure to enable scrambling for all devices on the network If you select Off be sure to disable scrambling for all devices on the network 1 3 6 1 4 1 18 3 4 23 3 2 1 22 ATM FRE 2 Line Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the ATM FRE 2 Line Parameters from the Configuration Manager Enable ATM Connector gt Line Attribu
92. N Interfaces Specifying the Maximum TTRT The Maximum TTRT value must be e Greater than or equal to 10 ms e Greater than or equal to the value of the Requested TTRT parameter e Less than or equal to 1336 9344 ms Refer to Figure 3 7 for the range of values for T Max Lower Bound in relation to the other TTRT parameters Site Manager T Max Lower Bound ms parameter page A 10 Editing FDDI Port Attributes To edit the port attributes for an FDDI line 1 Click on Expert at the Edit FDDI Parameters window The FDDI Advanced Attributes window appears refer to Figure 3 4 2 Click on Port Attributes The FDDI Port Attributes window appears Specifying the LER Cutoff The LER is an estimate at which a link connection is broken The LER cutoff ranges from 10 to 10 and is reported as the absolute value of the base 10 logarithm By default the LER cutoff is 107 You can set the LER cutoff for an interface Site Manager LER Cutoff parameter page A 11 Specifying the Link Error Rate Alarm The LER alarm rate is an estimate at which a link connection generates an alarm The LER alarm ranges from 10 to 10 and is reported as the absolute value of the base 10 logarithm of the estimate By default the LER alarm is 10 Site Manager LER Alarm parameter page A 11 114078 Rev A 3 17 Configuring Line Services Editing Token Ring Lines The following sections describe the Token Ri
93. Parameters Parameter Default Enable Enable Data Path Notify Enable Data Path Notify Timeout 3s SVC Inactivity Timeout Enable Enable SVO Inactivity Timeout Secs 1200s B 2 114078 Rev A Default Line Parameter Settings Table B 3 ATM FRE 2 Physical Attribute Parameters Parameter Default Framing Mode SONET Scrambling Enable Loopback Disable Cell Insertion Unassigned ATM ARE Line Parameters Table B 4 ATM ARE Line Parameters Parameter Default Enable Enable Interface MTU 4608 Data Path Enable Enable Data Path Notify Timeout 1s SVC Inactivity Timeout Enable Enable SVC Inactivity Timeout Secs 1200s Framing Mode SONET Clocking Signal Source Internal DS3 Line Build Out Short DS3 Scrambling On 114078 Rev A B 3 Configuring Line Services E1 Line Parameters Table B 5 E1 Line Parameters Parameter Default Enable Enable Line Type E1 HDB3S Support Disable Clock Mode Internal Mini Dacs Idle Ethernet CSMA CD Line Parameters Table B 6 Ethernet Line Parameters Parameter Default Enable Enable BOFL Enable Enable BOFL Timeout 5s Hardware Filter 10 Mb s Ethernet only Disable this default is changed to Enable if you add a circuit and reply OK to the prompt Do you want to enable Hardware Filters on this circuit Interface Line Speed 100 Mb s Etherne
94. S0008A Figure 2 6 Failure of Node on Ring FDDI Ring Operation An FDDI ring consists of nodes in a ring architecture There are two classes of nodes stations a node with no master ports and concentrators a node with master ports The FDDI standards define two types of stations single attachment stations SAS and dual attachment stations DAS The SAS connects to only one ring it cannot wrap the ring in case of a fault The DAS connects to both the primary and secondary rings The Bay Networks router is an example of a DAS FDDI initializes the ring and transmits data as follows 1 The nodes on the ring establish connections with their neighbors The Connection Management CMT portion of SMT controls this process as described in FDDI SMT later in this chapter 2 The nodes negotiate the target token rotation time TTRT using the claim token process 2 8 114078 Rev A About Line Protocols The TTRT is the value that the MAC sublayer uses to time its operations The claim token process determines which node initializes the ring generates the token The node with the lowest bid for the TTRT wins the right to generate the token 3 After a node has initialized the ring the ring begins to operate in steady state In steady state the nodes exchange frames using the Timed Token Protocol TTP The TTP defines how the TTRT is set the length of time a node can hold the token and how a node initializes the
95. Size 32 bit B 6 114078 Rev A LAPB Parameters Default Line Parameter Settings Table B 13 LAPB Parameters Parameter Default Enable Enable Station Type DTE Control Field Modulo 8 Max N1 Frame Size octets 1600 Window Size 7 Max N2 Retries 10 Max T1 Acknowledge Timer seconds 3 s Max T2 Acknowledge Timer seconds 1 s Max T3 Disconnect Timer seconds 60 s Initiate Link Setup Action Active Enable Rx Tx of XID Frames Enable Idle RR Frames Off Command Response Address DTE WAN Protocol Standard MCE1 Line Parameters Table B 14 MCE1 Clock Parameters Parameter Default Primary Clock Port 1 Ext Loop Secondary Clock Internal 114078 Rev A B 7 Configuring Line Services Table B 15 MCE1 Port Application Parameters Parameter Default Port Application Mode NONPRI Table B 16 MCE1 Port Parameters Parameter Default Enable Disable Enable Line Type E1 Line Coding HDB3 Setup Alarm Threshold seconds 2s Clear Alarm Threshold seconds 2s International Bit Disable Line Impedance 120 Table B 17 MCE1 Logical Line Parameters Parameter Default Enable Disable Enable Breath of Life BOFL Enable Enable Disable BOFL Timeout seconds 5s Fractional Loopback Disable WAN Protocol Standard Service LLC1 Local HDLC Address 7 Re
96. Speed A 3 Line Advertising Capabilities A 4 extended superframe setting for MCT1 A 49 C 6 setting for T1 4 16 T1 line 2 19 F FDDI claim token process 2 8 default parameters B 5 overview 2 5 parameters BofL Enable A 5 BofL Timeout A 5 Connection Policy A 6 Duplicate Address Protocol A 8 Enable A 4 Hardware Filter A 7 LER Alarm A 11 LER Cutoff A 11 LLC Data Enable A 9 Requested TTRT ms A 10 Status Report Protocol A 8 T Max Lower Bound ms A 10 T Notify Timeout s A 6 Trace Max Expiration ms A 8 TVX Lower Bound ms A 9 User Data A 7 ring architecture 2 7 maintenance 2 10 node regulation in 2 9 operation 2 8 wrapping 2 7 SMT Connection Policy values 3 12 frame class and type 2 11 overview 2 10 standards MAC 2 6 PHY 2 6 PMD 2 6 SMT 2 6 2 10 3 10 station timers 2 9 token holding timer 2 9 valid transmission timer 2 9 FDL mode 6 9 A 51 flowspec flow specification 8 2 Frame Relay and multiline traffic distribution 7 5 Index 114078 Rev A Index 3 Configuring Line Services G getting help from a Bay Networks Technical Response Center xxix from the Support Source CD xxviii through CompuServe xxviii through Customer Service FTP xxvii through InfoFACTS service xxix through World Wide Web xxvii H HDB3 line coding 6 6 A 45 A 49 C 5 HDLC service type 6 20 A 39 HSSI configuring for multiline 7 1 default parameters B 6
97. T1 DS Os 114078 Rev A 2 17 Configuring Line Services An MCT1 interface can transmit or receive up to 24 DS 0 56 64 Kb s channels per DS 1 frame over leased point to point links The MCE interface can transmit or receive up to 30 DS Os 64 Kb s The MCEI and MCT 1both include an integrated DSU CSU for direct connection to an El or T1 network The interfaces provide integrated support for loopback testing and basic error rate test BERT line testing Synchronous Overview A synchronous interface connects a Bay Networks router or switch to a DCE such as DSUs CSUs and modems The synchronous interface supports a range of physical connections including V 35 RS232 RS449 422 balanced and X 21 The synchronous interface supports many WAN software services including PPP X 25 Frame Relay SMDS HDLC encapsulation and ATM DXI A single synchronous interface operates from 1200 b s to a maximum of 2 048 Mb s full duplex You can configure synchronous interfaces to integrate IBM SDLC traffic into the internetwork Traffic is integrated by connecting local or remote IBM equipment directly to the Synchronous interface and using either the DLSw for SDLC or Transparent Sync Pass Thru features The synchronous interface supports both leased and dial up circuits Dial Back up Dial on Demand and Bandwidth on Demand using Raise DTR and V 25bis dial signaling are supported over V 35 RS232 and X 21 interfaces T1 Overview T1 s
98. The Local Port number specifies a local port for the TCP connection for asynchronous communications By default the remote port is set to 2100 You can specify any valid local port number from 1 through 65535 for this interface Site Manager Local Port parameter page A 16 114078 Rev A 5 3 Configuring Line Services Setting the Baud Rate The Baud Rate parameter specifies the line speed for this asynchronous interface Select one of the following valid baud rates e 300 e 1200 e 2400 e 4800 e 9600 e 19200 By default the baud rate is 9600 on an asynchronous interface You can specify the baud rate for this interface Site Manager Baud Rate parameter page A 16 Setting the Idle Timer By default the router sets the idle timer to 20 seconds for an asynchronous interface You can set the idle timer from 1 through 300 seconds for this asynchronous interface Site Manager Idle Timer parameter page A 17 Setting the TCP Receive Window Size By default the router sets the TCP receive window for received asynchronous packets to 4096 bytes You can set the receive window to a value from 512 through 65535 bytes for this interface Site Manager Receive Window parameter page A 17 5 4 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Setting the TCP Keepalive Message Interval The TCP Keepalive message interval specifies how often t
99. VC Inactivity Timeout Enable parameter to Enable Enter an appropriate time and be sure to set the SVC Inactivity Timeout Enable parameter to Enable 1 3 6 1 4 1 18 3 4 23 3 2 1 14 Framing Mode ATM Connector gt Line Attributes gt ATM ALC Parameters gt Physical gt Physical Interface Attributes SONET SDH SONET Specifies the framing mode Select SDH or SONET based on your network 1 3 6 1 4 1 18 3 4 23 2 11 1 4 114078 Rev A A 25 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Scrambling ATM Connector gt Line Attributes gt ATM ALC Parameters gt Physical gt Physical Interface Attributes Enable Enable Disable Enabling scrambling randomizes cell payload sufficiently to guarantee cell synchronization If you select Disable cell synchronization problems may result Select Enable or Disable 1 3 6 1 4 1 18 3 4 23 2 11 1 5 Loopback ATM Connector gt Line Attributes gt ATM ALC Parameters gt Physical gt Physical Interface Attributes Disable Enable Disable Specifies whether or not to use loopback diagnostic mode on this line In loopback diagnostic mode the router retransmits received data to the sender Select Enable or Disable 1 3 6 1 4 1 18 3 4 23
100. ZS line coding replaces a block of eight consecutive binary Os with an 8 bit B8ZS code containing bipolar violations in the fourth and seventh bit positions of the substituted code In the receive direction the B8ZS code is detected and replaced with eight consecutive binary Os AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCTI link module remains synchronized upon receiving up to 45 consecutive Os Setting the Line Type How you set line type depends on whether you are testing an MCE1 or MCTI line MCE1 Lines Select the appropriate frame format for the associated E1 equipment e El e El CRC El MF e El CRC MF Note that the router does not support MF framing when you enable BERT mode 114078 Rev A C 5 Configuring Line Services MCT1 Lines Each port is set to ESF by default Select a line type for testing SF D4 Transmits superframes consisting of 12 individual frames If this option is chosen the FDL port actions do not apply and their buttons do not appear in the MCT1 Port Actions Window ESF Transmits superframes consisting of 24 individual SF D4 frames and provides enhanced signaling and synchronization Unframed T1 Use to match the line type Enabling or Disabling the International Bit MCE1 Only By default MCE1 do
101. a PARERE E LP P Ru uud eee A 43 MOTI POS P Heb BE iniia E qus ska nro Lees a s Noemi EU Den MERE iUas d RRIMURER REREPS A 47 OMOTI Port ParamalorS Gusienendises serr ener das Ee Sero HE RE reor P rer GG acci A 53 svnebronpus Line PSESTHOLBEFS 3 5 ide e Liodei epu ak tete p tenda boc ga ko pulaidetabed eB Lens i tS A 55 TIS POTES necs tae iod Reda Er ud tenui EAM MERE A 71 Editing Multiline Configuration Parameters sse A 74 Editing Line Resource Reservation Parameters essen A 75 Appendix B Default Line Parameter Settings Asunchionous Lips Paame BiS oa itor ss ae epu SERE e opa e B 2 ATM FRE 2 Line PALERBUS ausis t ener Gas Nieder uie pae er b Ec LO eM a Ii B 2 ATM ARE Line Parameters 211 xir rhI IEEE I qa EIER AGREE made B 3 E1 Line Parameters T rer rr rt pand EE TAE E TEE E B 4 Ethernet CSMA CD Line Parameters siririna B 4 ED NEN NI E OO TERM B 5 Hs Line Pa mme co ho sic rasch erecti E nee ces ru deb c eee s cen idi me reer eee EIE B 6 LAFE PAIUDBISIS qu p eas esis RO n ERG RC CR D Uer pe i ERGO EE eae ada Cp nS B 7 MCE1 Line Parameters irons Tm a B 7 KOTI ne Pe ALE S a aicieom diteem tsi iq enivicu bpm teh eerta st iveen rM E qieninpis i iempi dM MU eui sM i qinUE B 9 Synchronous Dire Parametleri dues peel ines as rada Eod ib da bad densis cubana daa UK big du B 12 TiU Pav else S TOTEM B 14 Toker Rng Diris PSESXIBEBES 1s dede
102. a aia b 4 12 Data and Voice Fass MOUQI uideri dE p Hd ERR I eadbe nou Nese Pro Urea rand be enu SS 4 12 edima ael er 4 12 Enabling or Disabling HSS LING ucc aun meinen Reena 4 13 Enabling or Disabling Breath of Life Messages sssseeeee 4 13 Sew NG BOL TS TRISTE EDT 4 13 Setting the Maximum Transmission Unit Buffer Size sssssssssss 4 14 Viewing the Configured WAN PIOUGOl uui reir tace ur tn tete cer txR enit detractis 4 14 Setting the Transmission Interface sesssssssssssseseeeeeeneennrns 4 14 Setting the External Clock Speed oU T 4 15 Setin DOE IDE n ERSTER 4 15 E pv BN BUMPER E EL E 4 16 Enabing or Disabling a T 8T EE 4 16 viii 114078 Rev A Sewing be Ti Frame YPE PRETI 4 16 Enabling or Disabling Bipolar with 8 Zero Substitution sssssssess 4 17 bpeatunag ihe Physical Lme LENGI ici ae o ro li ep apte eoc uet ER M dete aiiis 4 17 Seting me Internal Clock ModE sedecim E eden od Ga te orat ences 4 17 Assigning Channel Functions E E E KK D nde ET 4 18 M rer etre rupi e a a AE 4 18 Data and Vaice Pass DANODUDPE sed dedccicaz taddecba td tnb enia Fai eco db bd te 4 18 Chapter 5 Customizing Synchronous and Asynchronous Interfaces Edung ASY sl ttak cae c UL 5 1 Enabling or Disabling the Asynchronous Driver uices tette tutte triennio 5 2 Setting the Maximum Transmission Dirt MTU ius uiia tiers
103. ager You have a working knowledge of your network s physical layer components 114078 Rev A xxi Configuring Line Services Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router refer to the installation manual that came with your router e Connect the router to the network and create a pilot configuration file refer to Quick Starting Routers Connecting AN and ANH Systems to a Network or Connecting ASN Routers to a Network Make sure that you are running the latest version of Bay Networks Site Manager and router software For instructions refer to Upgrading Routers from Version 7 10 xx to Version 11 0 Conventions bold text Indicates text that you need to enter command names and buttons in menu paths Example Enter wfsm amp Example Use the dinfo command Example ATM DXI Interfaces PVCS identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu italic text Indicates variable values in command syntax descriptions new terms file and directory names and book titles quotation marks Indicate the title of a chapter or section within a book screen text Indicates data that appears on the screen Example Set Bay Networks Trap Monitor Filters separator gt Separates menu and option names in instructions and internal pin to pin wire connections Example Pr
104. alue of this parameter to obtain better delay characteristics for reserved flows but note that overall throughput may decrease Increase the default value to improve throughput but note that reserved flow delays may increase 1 3 6 1 4 1 18 3 5 16 2 1 3 1 13 A 80 114078 Rev A Appendix B Default Line Parameter Settings This appendix lists the default settings for line attribute multiline and Line Resource Manager LRM parameters in the following sections e Asynchronous Line Parameters e ATM ARE Line Parameters e ATM FREZ Line Parameters e El Line Parameters Ethernet CSMA CD Line Parameters e FDDI Line Parameters e LAPB Parameters e HSSI Line Parameters e MCE Line Parameters e MCTI Line Parameters e Synchronous Line Parameters e TI Line Parameters e Multiline Parameters e Line Resource Manager Parameters You can use the Configuration Manager to edit any of the default settings 114078 Rev A B 1 Configuring Line Services Asynchronous Line Parameters Table B 1 Asynchronous Line Parameters Parameter Default Enable Enable MTU 1000 Start Protocol Answer Remote IP Addr None Remote Port 7 Local Port 2100 Baud Rate 9600 Idle Timer 20s Receive Window 4096 TCP KeepAlive 8s TCP Inactive Limit 300s Cfg TxQ Length None Cfg RxQ Length None ATM FRE 2 Line Parameters Table B 2 ATM FRE 2 Line
105. ameter specifies the maximum number of unreserved best effort packets to be held in queue for transmission After the queue length reaches this value the router discards best effort traffic when congestion occurs Priority queuing limits if configured override the value of this parameter Change this value to adjust the queue length limit 1 3 6 1 4 1 18 3 5 16 2 1 3 1 10 A 78 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Multiline Select Algorithm XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources First Fit First Fit Round Robin Specifies how LRM selects which line to use for a new resource request if you have LRM configured on a multiline circuit Set this parameter only if you configured LRM on a multiline circuit Select First Fit to always use the first available line that can service reserved traffic requests Select Round Robin to rotate the use of lines available to service requests All lines for a circuit must use the same algorithm If any one line on a circuit specifies First Fit all lines use the first fit algorithm 1 3 6 1 4 1 18 3 5 16 2 1 3 1 11 Multiline Threshold Bandwidth XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line
106. ameters BofL 5 13 A 55 BofL Timeout 5 14 A 56 Burst Count 5 17 A 59 Cable Type 5 25 A 68 Clock Source 5 15 A 57 CRC Size 5 22 A 64 Enable A 55 Extended Address 5 25 A 61 Extended Control S and I frames 5 24 A 61 External Clock Speed 5 16 A 69 Idle RR Frames 5 24 A 65 Internal Clock Speed 5 15 A 58 KG84A Cycle 5 29 A 65 KG84A Remote Resync Wait 5 29 A 66 KG84A Sync Loss Interval 5 29 A 66 KG84A Sync Pulse 5 30 A 67 Link Idle Timer 5 24 A 60 Local Address 5 20 A 62 Minimum Frame Spacing 5 19 A 62 MTU 5 14 A 56 Network Link Level 5 23 A 68 Pass Thru Local Address 5 21 A 63 Pass Thru Remote Address 5 21 A 64 Promiscuous 5 15 A 57 Remote Address 5 20 A 63 Remote Loopback Detection 5 26 A 69 Retry Count 5 24 A 60 Retry Timer 5 25 A 61 RTS Enable 5 17 A 59 Service 5 18 A 60 Signal Mode 5 17 A 58 Sync B Channel Override 5 27 A 70 Sync Hold Down Time 5 26 A 68 Sync Line Coding 5 23 A 69 Sync Media Type 5 22 A 65 Sync Polling 5 22 A 67 Sync Priority 5 26 A 70 Transmit Window Size 5 18 A 62 WAN Protocol 5 21 A 64 Index 6 114078 Rev A TI configuring for multiline 7 1 default parameters B 14 frame format 2 19 4 16 overview 2 15 2 18 parameters B8ZS Support 4 17 A 71 Clock Mode 4 17 A 72 Enable 4 16 A 71 Frame Type 4 16 A 71 Line Buildout 4 17 A 72 Mini Dacs 4 18 A 73 signals 2 20 4 10 4 17 synchronization 2 21 4 17 timed
107. an disable and reenable the interface without moving physical cabling Site Manager Enable parameter page A 19 Setting the Maximum Transmission Unit MTU By default the MTU or maximum packet size on the ATM ARE interface is 4608 octets You can change the MTU to a value from 1 through 9188 octets Site Manager Interface MTU parameter page A 19 Enabling or Disabling Data Path Notify If the cable becomes disconnected from the ATM module the router disables the interface between the driver and the higher level software the data path interface after a period of time you specify with the Data Path Notify Timeout parameter 4 2 114078 Rev A Customizing WAN Interfaces You can disable and reenable Data Path Enable on the interface Site Manager Data Path Enable parameter page A 20 If you select Disable the router does not disable the data path interface when you disconnect the cable from the ATM module If you select Enable be sure to set an appropriate value for the Data Path Notify Timeout parameter Setting the Data Path Notify Timeout When the Data Path Enable parameter is set to Enable the router waits a default timeout period of 1 second before disabling the interface between the driver and the higher level software the data path interface after a cable becomes disconnected from the ATM module You can change the Data Path Notify Timeout on the interface to a value from
108. arameters MTU COM Connector gt Edit Line gt Edit Asynchronous Parameters 1000 bytes 3 to 1580 bytes Specifies the largest frame Maximum Transmission Unit that the router can transmit via the Transmission Control Protocol TCP Specify a value in the range 3 to 1580 1 3 6 1 4 1 18 3 4 3 1 7 Start Protocol COM Connector gt Edit Line gt Edit Asynchronous Parameters Answer Loop Originate Answer Specifies the start mode for the ASYNC TCP connection Select Answer to advise local TCP to wait for a connection request Select Originate to advise local TCP to initialize a connection to the specified remote IP address Select Loop to perform asynchronous cable testing 1 3 6 1 4 1 18 3 4 3 1 9 Remote IP Addr COM Connector gt Edit Line gt Edit Asynchronous Parameters None Any valid 32 bit IP address in dotted decimal notation Specifies a remote TCP host to which this router will communicate using ASYNC The remote IP address is used only when the Start Protocol parameter is set to Originate Enter a valid IP address in dotted decimal notation 1 3 6 1 4 1 18 3 4 3 1 26 114078 Rev A Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Remote Port COM Connector gt Edit Li
109. at this interface is looped through the device Typically the received signal is looped back for retransmission after it has passed through the device s framing function Line Loopback The received signal does not go through the framing device minimum penetration but is looped back out Select the loopback configuration option for testing After testing set this parameter to No Loopback to return the interface to normal operation 1 3 6 1 4 1 18 3 4 9 4 1 10 A 52 114078 Rev A Site Manager Line Services Parameters QMCT1 Port Parameters In addition to the parameters in the previous section the Port Parameters window for the QMCT1 link module includes the following configurable parameters Parameter Send Performance Measurement CR Addr Path MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Default Customer Inst Options Customer Inst Carrier Function Specifies the source of performance messages Customer Inst indicates that the customer installation supplies the messages and Carrier indicates that the carrier supplies the messages You configure this parameter only for QMCTI link modules Instructions Select the source for outgoing performance messages MIB Object ID 1 3 6 1 4 1 18 3 4 9 3 1 18 Parameter Accept Perf Measurement CR Addr Path MCTI Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Default Customer Inst Options Customer Inst
110. at you would like the router to wait for a frame acknowledgment from the network 1 3 6 1 4 1 18 3 5 1 8 1 12 A 34 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Max T2 Acknowledge Timer seconds COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters 1 second 1 to 9999 seconds Specifies the time in seconds that the router waits before sending an acknowledgment for a sequenced frame A value of 1 means that the router does not delay before generating an acknowledgment Enter the amount of time that you want the router to wait before acknowledging a frame 1 3 6 1 4 1 18 3 5 1 8 1 13 Max T3 Disconnect Timer seconds COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters 60 seconds 1 to 9999 seconds Specifies the time in seconds that the router waits before determining that the link is disconnected A value of 1 indicates that once the router completes the frame exchange to bring down the link it considers the link disconnected Enter the amount of time that you want the router to wait before it decides that the link is disconnected 1 3 6 1 4 1 18 3 5 1 8 1 14 114078 Rev A A 35 Configuring Line Services Parameter Path Default Options Function Instructions
111. ation 1 3 6 1 4 1 18 3 5 1 8 1 9 Window Size COM Connector for X 25 Interface Edit Line LAPB Edit LAPB Parameters 7 1 to 127 Specifies the default transmit and receive window size for the interface This value is the maximum number of unacknowledged sequence frames that may be outstanding from the router or the network at any one time Enter the appropriate window size for your configuration 1 3 6 1 4 1 18 3 5 1 8 1 10 114078 Rev A A 33 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Max N2 Retries COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters 10 1 to 64 Determines the value of the N2 retry count which is the number of retransmission attempts that the router makes per frame before it considers the line to be down The retry count is the maximum number of attempts following the expiration of the T1 timer Specify the number of times you want the router to try to retransmit 1 3 6 1 4 1 18 3 5 1 8 1 11 Max T1 Acknowledge Timer seconds COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters 30 seconds 1 to 9999 seconds Specifies the maximum time in seconds that the router waits for an acknowledgment of a frame that it has sent to the network Enter the maximum time in seconds th
112. ation When the router wants to initiate KG84A resynchronization it changes the value of the synchronous signal from low to high This parameter specifies the number of ms that the synchronous signal retains its high value Accept the default or select one of the valid options and be sure to set the RTS Enable parameter to Enable 1 3 6 1 4 1 18 3 4 5 1 70 Sync Polling COM Connector Edit Line Edit Sync Parameters Disable Enable Disable Indicates whether the Data Set Ready DSR signal will be monitored If you set this parameter to Enable the synchronous driver will be enabled when the DSR is detected When the DSR is no longer detected the driver will be disabled Enable this parameter only if you will be using dialup services Either accept the default or set this parameter to Enable 1 3 6 1 4 1 18 3 4 5 1 76 114078 Rev A A 67 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Sync Hold Down Time COM Connector gt Edit Line gt Edit Sync Parameters 0 seconds 0 to 9999 seconds Specifies a time period for the router to wait before bringing up this line when using dial services This delay allows time for the primary line to recover before de activating a backup line Enter the n
113. ault Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Unreserved Policing Algorithm XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources Queue Limit Queue Limit Leaky Bucket Specifies the policing algorithm for unreserved traffic Select the Queue Limit option to restrict the number of buffers packets of unreserved traffic that LRM queues This method of policing enables unreserved traffic to use available reserved bandwidth The Unreserved Queue Length parameter specifies the maximum number of packets in the queue Select the Leaky Bucket option to cause the router to actively police the unreserved traffic based on the unreserved bandwidth This method does not allow unreserved traffic to take advantage of available reserved bandwidth If you enable priority queuing for this line the router uses the priority queue parameters to perform Queue Limit policing See Configuring Traffic Filters and Protocol Prioritization for information about priority queue parameters 1 3 6 1 4 1 18 3 5 16 2 1 3 1 9 Unreserved Queue Length XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 20 packets 0 to 214748364 packets limited by available buffers If the Unreserved Policing Algorithm parameter is set to Queue Limit this par
114. ayload to guarantee cell synchronization Scrambling is enabled by default when you add the ATM ALC interface You can disable and reenable scrambling on the interface Site Manager Scrambling parameter page A 26 Note Disabling scrambling may cause cell synchronization problems Enabling or Disabling Loopback In loopback diagnostic mode the router retransmits received data to the sender By default loopback mode is disabled when you add the ATM ALC interface You can enable and disable diagnostic loopback for the interface Site Manager Loopback parameter page A 26 Configuring Cell Insertion In the absence of user cells the framer device fills idle bandwidth with either idle or unassigned cells You can configure Cell Insertion for idle or unassigned cells By default the router fills idle bandwidth with unassigned cells Site Manager Cell Insertion parameter page A 26 114078 Rev A 4 9 Configuring Line Services Editing E1 Lines This section describes how to edit the line parameters for E1 link modules e Enabling or Disabling an E1 Line e Enabling or Disabling CRC Checking e Enabling or Disabling High Density Bipolar Coding e Setting the Clock Source e Assigning Channel Functions Enabling or Disabling an E1 Line By default the router enables E1 line services when you add the interface You can disable or reenable this interface without moving physical cabling
115. ber Bit Number rejectA A 0 rejectS A 8 rejectA B 1 rejectS B 9 rejectA S 2 rejectS S 10 rejectA M 3 rejectS M 11 rejectB A 4 rejectM A 12 rejectB B 5 rejectM B 13 rejectB S 6 rejectM S 14 rejectB M 7 rejectM M 15 Figure 3 6 shows the default connection policy status word Oxff65 Note You set the status word value to reflect local connection policies Setting a particular connection policy does not necessarily mean that the station will reject the connection The SMT standard requires that both sides of the connection must agree to reject or else both sides must accept the connection The SMT standard requires that you set Bit 15 reject M M to 1 3 12 114078 Rev A Customizing LAN Interfaces Bit 15 Bit 0 Accept A B Accept A M Accept B A p Accept B M LS0001A Figure 3 6 Default Connection Policy Status Word Site Manager Connection Policy parameter page A 6 Specifying the Neighbor Notification Interval You can set the interval between successful iterations of the Neighbor Notification Protocol on in interface to a value from 2 through 30 seconds By default the interval is 22 seconds This interval e Determines the MAC addresses of the FDDI upstream and downstream neighbors e Detects duplicate MAC addresses on the ring e Generates periodic keepalive traffic that verifies the local MAC transmit and receive paths Site Manager T Notify Timeou
116. bility 100Base TX 100Base TX Full Duplex 0K l Restart pi mmm Figure 3 3 Sample Auto Negotiation State Information Window 3 6 114078 Rev A Customizing LAN Interfaces Table 3 1 100 Mb s Ethernet Auto Negotiation State Information Category State Displayed Description Auto Neg State Auto Neg Process Completed The router and the endstation have successfully negotiated a line speed and data transmission is taking place Auto Neg Process Occurring The router and the endstation are currently negotiating a line speed State Unknown The router and the endstation cannot begin line negotiation probably because the remote station does not have automatic line negotiation capability Agreed Speed 100Base TX The line is processing at 100 Mb s half duplex 100Base TX Full Duplex The line is processing at 100 Mb s full duplex Remote Any valid CSMA CD line speed This indicates the line speed configuration that Capability the remote endstation is currently advertising for this line Local Capability 100Base TX This indicates the line speed or speeds that the router is currently advertising for this line 100Base TX Full Dupl iei DUPBRE sneer the current setting of the Line Advertising 100Base TX 100Base TX Full Duplex Capabilities parameter 3 Proceed as follows depending on the status of the transaction e If negotiation or data transmission is taking place click on OK
117. ble Enable Enable BOFL Enable Disable if X 25 is Disable enabled BOFL Timeout 5s 5s MTU 1600 512 Promiscuous Disable Enable Clock Source External External Internal Clock Speed 64 KB 64 KB External Clock Speed 64102 64102 Signal Mode Balanced Balanced RTS Enable Disable Enable Burst Count Enable not applicable Service LLC1 LAPB if X 25 is enabled Transparent Transmit Window Size 1 7 if X 25 is enabled not applicable Minimum Frame Spacing 1 7 if X 25 is enabled 1 continued B 12 114078 Rev A Default Line Parameter Settings Table B 26 Synchronous Line Parameters continued LAPB Default Parameter Default X 25 Configured on AN or ASN Local Address 7 1 or 3 if X 25 is enabled 7 Remote Address 7 1 or 3 if X 25 is enabled 7 WAN Protocol None LAPB Pass Thru Local Address None None Pass Thru Remote Address None None CRC Size 16 bit 16 bit Sync Media Type Default Default Sync Polling Disable Enable if X 25 is Disable enabled Sync Line Coding NRZ NRZ KG84A Cycle 100 ms 100 ms KG84A Sync Loss Interval 50 50 KG84A Remote Resync Wait 200 200 KG84A Sync Pulse 10 ms 10 ms Network Link Level NET2 not applicable Retry Count 16 not applicable Link Idle Timer 9s not applicable Extended Control S and frames Disable not applicable Idle RR Frames Off not applicable Cable Type Null Null R
118. ble or Disable This is a performance tuning parameter You should set it to Enable except in certain cases with DSDE 5430 Dual Sync Dual Ethernet and DSE 5420 Dual Sync Single Ethernet link modules Set it to Disable if excessive TxUflo or RxOflo errors occur on the Ethernet ports If you have configured both synchronous ports disable this parameter first on the synchronous interface that is either running at a lower clock speed or carries lower priority traffic You should disable this parameter on both synchronous interfaces only if those interfaces are DSDE configurations and you configured both Ethernet interfaces In these configurations disable this parameter on both synchronous interfaces if disabling it on only one interface does not eliminate the excessive TxUflo or RxOflo errors on the two Ethernet interfaces 1 3 6 1 4 1 18 3 4 5 1 17 114078 Rev A A 59 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Service COM Connector gt Edit Line gt Edit Sync Parameters LLCI Transparent LLC1 LAPB Specifies the link level protocol for this circuit If you set this parameter to Transparent then raw HDLC mode is in effect LLC1 specifies connectionless datagram service it prefixes the
119. ces Setting the Clock Parameters The clock parameters define the timing sources that apply to interfaces ports and DSO timeslots that a MCE1 or MCT1 link or net module supports How you access the clock parameters depends on whether you are configuring a New Quad Port MCT1 QMCT1 Module The Edit QMCT1 Clock Parameters window appears automatically the first time you configure a port These clock parameters define the timing sources for the selected interface port only New Single or Dual Port MCE1 or MCT1 Module The Edit DS1EI Clock Parameters window appears automatically the first time you configure an interface Dual port MCE1 and MCTI link and net modules contain a single clock chip that provides the timing signals for all ports Therefore clock parameters that you set for the first port apply to the second port on the module Configured QMCT1 Module Once a QMCT1 ports is configured you customize its clock source as you would any other port parameter See Customizing MCT1 Port Details Configured Single or Dual Port MCE1 or MCT1 Module To set clock parameters for single and dual port MCE1 and MCT1 modules click on the CLOCK connector for the MCE1 or MCTI module at the Configuration Manager window To set the clock parameters from an Edit Clock Parameters window 1 Set the primary clock source to one of the following Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop
120. cifying Local and Remote Point to Point Addresses usessssse 5 19 Viewing the Configured WAN Protocol 1 irai eret n et ent rhet ree 5 21 Setting Pass Through Addresses HR TE 5 21 weg E CRE SPE e 5 22 SUING ihe Signslag MIRO sucess sce adu taedas iaaa adana aad 5 22 Enabling ar Disabling Syne POI audeuniidis ep E tete bid g b neu ab Ute uad excep endi bed diss 5 22 SUB Ie Line COO oi otc Id aree o RR nope bp edi nde de 5 23 Specifying the Network Link Level 1 ecciesia mim ek uk dk eec 5 23 wel HIDE COUNT M C 5 24 Sewing HE Cink Idle TIMET mienia NLE 5 24 Enabling ar Disabling Extended Control cedet inniinn 5 24 Enabling or Disabling Receiver Ready Signals sesssssssssss 5 24 Genma he Cabe o mp 5 25 Setting the Retry Timer ee mt 5 25 Enabling or Disabling Extended Addressing ccccesssececeeeneeceeeeenseeeeeeeeneneees 5 25 Enabling or Disabling Remote Loopback Detection sssesssssssss 5 26 Seta ihe Syne Hold Down Mert eciideesccaniaaeeleencieneatdie 5 26 X 114078 Rev A exeltinti Syris FOTIA uscire Eno O RO RO ROCHE CORO PRSE GEO CERRO UE PORE GR 5 26 Setting the B Channel Qverride iiu iiaee ue senanih utet ecd Ik ea cd E RE 5 27 Gong EOD SECUN aad idein ii che eH nc deis dd eon LER M dec alt diss 5 27 RGOJA Cyce cT 5 29 Vi Syn LOSS IMErVal assciatdutecimedete sutcid
121. d destination addresses in individual packets The router always uses the same data path for any given address pair The router determines whether to route or bridge the packet and then uses the appropriate address It uses the routing level addresses for routing traffic and the MAC level addresses for bridging traffic Address based selection ensures that all outbound traffic to a particular endstation travels on the same data path and that packets arrive in the correct sequence Use this method for protocols that cannot receive packets out of sequence Note however that this option may not result in even traffic distribution across all data paths Note Address based selection cannot be used with Frame Relay in group or hybrid access mode Traffic distribution is automatically changed to random selection 114078 Rev A 7 5 Configuring Line Services Random Selection If you choose Random selection the router determines the data path for outbound traffic by using random number generation With this method the router 1 Assigns a set of numbers to each data path 2 Generates a random number for each outbound packet 3 Sends the packet via the data path with the matching number Note Random selection provides even distribution across all active data paths in the topology however packets traveling on different paths can arrive at their destination out of sequence Some protocols cannot tolerate packets arriving o
122. d disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ASN BayeSIS BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus Quick2Config RouterMan SPEX Bay Networks Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowledge
123. d then reconfigure the circuit Site Manager WAN Protocol parameter page A 37 Setting the HDLC Service Type The logical line HDLC service is LLC1 by default LLC1 adds the HDLC address and control fields as a prefix to the frame You can change the service to basic HDLC Transparent based on the requirements of the E1 equipment You can set the HDLC service for this logical line Site Manager Service parameter page A 39 Setting the Local HDLC Address Specify the 1 byte HDLC address of this logical line as follows e DCE DTE e An explicit address value 2 4 5 6 or 7 Use unique HDLC addresses for the local and remote interfaces at either end of the point to point circuit For example if the remote address is DTE configure the local address as DCE If you configure X 25 on this line set this parameter to either DCE or DTE Site Manager Local HDLC Address parameter page A 40 6 20 114078 Rev A Configuring MCE1 and MCT1 Interfaces Setting the Remote HDLC Address Specify the 1 byte HDLC address of the remote MCE1 interface as follows e DCE e DTE e An explicit address value 2 4 5 6 or 7 Use unique HDLC addresses for the local and remote interfaces at either end of the point to point circuit For example if the local address is DTE configure the remote address as DCE If you configure X 25 on this line set this parameter to either DCE or DTE
124. ddr prmCi Table B 23 MCT1 Logical Line Parameters Parameter Default Enable Disable Enable BOFL Enable Disable Enable continued B 10 114078 Rev A Default Line Parameter Settings Table B 23 MCT1 Logical Line Parameters continued Parameter Default BOFL Timeout seconds 5s Fractional Loopback Disable WAN Protocol Standard Service LLC1 Local HDLC Address 7 Remote HDLC Address 7 Rate Adaptation 56 K LSB Interframe Time Fill Character Flags CRC Size 16 bit CRC MTU Size bytes 1600 Remote Loopback Detection Disable Bert Mode Disable QMCT1 only Bert Test Pattern Ones QMCT1 only Accept Fractional Loopback Code Enable QMCT1 only Line Resources None Table B 24 MCT1 Port Action Parameters Parameter Default BERT Mode Enable Disable BERT Send Alarm Disable BERT Test Pattern Ones Line Coding B8ZS Line Type ESF Signal Level 0 0 114078 Rev A Configuring Line Services Synchronous Line Parameters Table B 25 QMCT1 Logical Line Action Parameters Parameter Default Bert Mode Enable Disable Bert Test Pattern Ones Accept Fractional Loopback Enable Accept Fractional Loopback Disable Proprietary Table B 26 Synchronous Line Parameters LAPB Default Parameter Default X 25 Configured on AN or ASN Ena
125. de AN ASN or ARN to be directly connected to an ISDN switched services network This interface eliminates the need for an external ISDN terminal adapter TA when attaching to an ISDN network The ISDN BRI provides two 64 Kb s B channels for data and one 16 Kb s D channel for signaling ISDN Primary Rate Interface PRI software interface connects a BLN and BCN directly to an ISDN switched service network via a Bay Networks Multichannel T1 MCT1 or Multichannel E1 MCE1 link module Like the ISDN BRI this interface eliminates the need for an external ISDN adapter when attaching a Bay Networks router to an ISDN network ISDN PRI can connect to up to 30 remote locations over an ISDN switched network and complies with the North American and European ISDN PRI standards The North American standard provides 23 B channels of 64 Kb s each and one 64 Kb s D channel The European standard provides 30 B channels plus one D channel 2 16 114078 Rev A About Line Protocols Link Access Procedure Balanced LAPB Protocol Overview The Link Access Procedure Balanced LAPB protocol is a version of the High level Data Link Control HDLC protocol which is an OSI link layer standard Bay Networks routers use the services of LAPB to initialize the link between the router and the local DCE device and to frame X 25 data packets before transmitting them to the DCE X 25 uses the LAPB protocol at the data link layer to e Initialize the link between
126. des a level of confidence in the point to point connection With BofL enabled the router sends periodic keep alive messages to the remote peer If you enable BofL locally you must also configure the remote peer to enable BofL We recommend that you enable BofL for point to point connections between Bay Networks peers However you must disable BofL if such a connection occurs through a wide area transport service such as Frame Relay or SMDS You can enable or disable transmission of BofL messages on this interface Site Manager BofL parameter page A 29 Setting the BofL Interval This parameter is valid only if BofL is enabled on the interface After sending a BofL message the router starts a timer that has a value equal to 5 times the setting of this parameter If the router does not receive a BofL message from the remote peer before the timer expires the router disables the HSSI circuit and then attempts to restart it Both ends of the point to point connection must be configured with the same interval value 114078 Rev A 4 13 Configuring Line Services You can set the BofL interval to a value from 1 through 60 seconds on this interface Site Manager BofL Frequency parameter page A 29 Setting the Maximum Transmission Unit Buffer Size The default buffer size for the HSSI interface or Maximum Transmission Unit MTU is 4608 bytes The MTU determines the largest frame that can travel acro
127. detection scheme You can choose either 16 bit standard ITU T or 32 bit extended to detect errors in the packet Set this parameter to either 16 bit or 32 bit making certain that the remote end of the HSSI connection is configured for the same value 1 3 6 1 4 1 18 3 4 7 15 LAPB Parameters You access the Link Access Procedure Balanced LAPB Line Parameters from the Configuration Manager Note When you edit an Octal Sync link module line or any synchronous line on Bay Networks AN or ASN routers the router automatically configures the LAPB protocol if you configure a circuit for the X 25 protocol The Edit SYNC Parameters window for these lines includes an additional button for editing LAPB parameters 114078 Rev A A 31 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Enable Enable Disable Globally enables or disables LAPB services Select Disable to disable LAPB services 1 3 6 1 4 1 18 3 5 1 8 1 2 Station Type COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters DTE DTE DCE DXE Identifies the station type that is whether the device is a DTE or DCE for this interface If your device is data terminal equipment select DTE
128. ditional unused logical lines 7 14 114078 Rev A Configuring Multiline Services Select Logical Line Figure 7 10 Selecting an Unused Logical Line 5 Select a logical line that you want to include in the multiline circuit 6 Click on OK The Circuit Definition window appears 7 Select Lines gt Change Lines 8 Select Lines gt Change Lines again to see if the Multiline option is now available for this circuit Figure 7 11 9 RepeatSteps 3 through 7 for each unused logical line that you want to include in the multiline circuit These logical lines are now grouped as a circuit 114078 Rev A 7 15 Configuring Line Services Configuration M SNMP Ag Protocols Slot Lines XCVR4 XCVR3 XCVR2 XCVR1 Bip mil M XCVR2 I CONSOLE Figure 7 11 Multiline Option from the Circuit Definition Window 10 Select File Exit The MON or MCT ed Lines window appears displaying a multiline group E 7 16 114078 Rev A Configuring Multiline Services E Slot 3 MCE1 1 Lo Lines Done eEMGETS 3171 Add ae NMGEIZS1I 1 4 MCE1 31 1 Delete Apply Port Details i aE rRewilte Enable Disable Breath Of Life BOFL Enable Disable BOFL Timeout seconds 5 Fractional Loopback DISABLE WAN Protocol PPP Service TRANSPARENT Figure 7 12 Example Logical Lines Window with a Multiline Circuit Defined Note that all logical lines now have the same circuit name MCE1
129. ds Specifies the interval between successful iterations of the Neighbor Notification Protocol Accept the default value of 22 seconds or specify a new value from 2 to 30 seconds 1 3 6 1 4 1 18 3 4 4 1 31 A 6 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Hardware Filter FDDI Connector gt Edit Line gt Edit FDDI Parameters Disable the default changes to Enable when you add a circuit and reply OK to the prompt Do you want to enable Hardware Filters on this circuit Enable Disable When you set this parameter to Enable the link module filtering hardware if present does not allow the router to copy local frames into memory In essence the filtering hardware drops local frames at the interface Hardware filtering improves performance because the bridging software no longer uses resources to receive and reject those frames Set to Enable only if you enabled the bridge and the link module has hardware filters 1 3 6 1 4 1 18 3 4 4 1 37 User Data FDDI Connector gt Edit Line gt Edit FDDI Parameters None Any string containing up to 32 alphanumeric characters Allows you to enter additional information about the router This information is attached to the status information frames SIFs Enter up to 32 alphanumeric characters 1 3
130. e On AN or ASN routers and on a router with an Octal Sync link module you can change the value to match the line coding of a device at the other end of the line Select NRZ for Non Return to Zero coding Select NRZI for Non Return to Zero Inverted coding Select NRZI Mark for Non Return to Zero Inverted Mark coding 1 3 6 1 4 1 18 3 4 5 1 88 Remote Loopback Detection COM Connector Edit Line Edit Sync Parameters Disable Enable Disable Enables or disables Remote Loopback Detection If BofL is enabled the device driver detects when it is receiving its own BofL packets and disables the interface assuming that the link has been put into loopback Select Enable or Disable 1 3 6 1 4 1 18 3 4 5 1 91 External Clock Speed COM Connector Edit Line Edit Sync Parameters 64102 bits s 1200 to 6000000 bits s Sets the clock speed of an externally supplied clock when the Clock Source parameter is set to External Set the clock speed for the external clock to the data transmission rate that most closely corresponds to the speed of the external clock You cannot set this parameter when the Clock Source parameter is set to Internal 1 3 6 1 4 1 18 3 4 5 1 93 114078 Rev A A 69 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Sync B Channel Override COM Connector
131. e alarm threshold clear time to any value from 2 through 10 seconds You can set the alarm threshold clear time for this MCT1 interface Site Manager Clear Alarm Threshold seconds parameter page A 51 Setting the Remote FDL HDLC Address Mode You can select the FDL address mode to determine how the near end FDL responds to HDLC addressesin messages from the far end FDL You can set the FDL address mode to BY or AZ for this MCTI interface Site Manager Remote FDL HDLC Address Mode parameter page A 51 Enabling or Disabling Loopback Requests By default the MCT1 interface accepts and complies with requests to go into loopback mode from a far end device You can disable detection of loop up and loop down code detection circuitry to prevent the interface from accepting loopback requests You can disable or reenable loopback requests on this interface Site Manager Accept Loopback Request parameter page A 52 114078 Rev A 6 11 Configuring Line Services Setting the Loopback Configuration You can set the way that an MCTI interface handles loopback signals by specifying one of the following options e Payload Loopback The received signal at this interface is looped through the device Typically the received signal is looped back for retransmission after it has passed through the device s framing function e Line Loopback The received signal does not go through the framing device
132. e data paths with separate addresses 114078 Rev A 7 3 Configuring Line Services Multiline Circuit Multiline Circuit n9 d Data Paths Q e Physical Lines Oe D LS0021A Figure 7 2 Multiline Circuit Types A multiline circuit reacts to individual data paths coming up and going down by adding to and subtracting from its pool of active data paths and can operate with some of its data paths down Grouping Data Paths The data paths that form a multiline circuit must share the same bandwidth Maximum Transmission Unit MTU and encapsulation method T1 E1 MCT1 MCEI HSSI and Bay Networks Standard synchronous lines share the same encapsulation method so you can group any of these lines to form a multiline circuit as long as they share the same bandwidth and MTU Frame Relay and PPP each have unique encapsulation methods You cannot mix these line types with any other line type when you create a multiline circuit 114078 Rev A Configuring Multiline Services Multiline Traffic Distribution To distribute traffic among multiline data paths you can use one of the following methods e Address based Selection e Random Selection You select the data path for a line Site Manager Data Path Chooser parameter page A 74 Address based Selection If you choose address based selection the router determines the appropriate data path for outbound traffic from the source an
133. e Ert REY Ind err RR E anda 8 11 Disabling Line Resource Management sessssssseseeeseee eene 8 11 Removing s Eine s Reservanone uidi caren er esa te escenas adi apad SE ane fadus 8 11 rupasiitb c scm m ee TUER 8 12 Appendix A Site Manager Line Services Parameters Edim LAN Eine SENCESE Leap id aro lic doceri inue es d nera d aor bd ae oce pasiva ba cei A 1 DOMMAGE Line PaStamblole 2uuaansact tenis anaiakin dung cas Sada FE RB e bad ud A 2 FODILine Parmele fece E E A 4 FDDI MAG Atribute Paramelere 2 a era et eroe Ga e hence rode A 9 FDDI Path Attribute Parameters FROM DEN Besitos T EAO A 9 FDDI Por Altibule Parameters rcn eaan aia A 11 114078 Rev A xiii Token Aing Gine PAGO nusimanai n better o E Re nde Pa pa br E ER Re RE Rare exa A 12 Eding WAN Line SETVISES du inasess lad dedcca Fa td due cas anank ia Eua nt MK MEUM A 14 Asynchronous Line Paremgegleli aider e iae eiee eai A 14 ATM ARE Line Paramelirs cacao Gd CC PROC I RON SURE NM RC RR EUR GR A 19 ATM FRE 2 Line Parametar 32 du irre dk tU ad OR EH da ERE DRE UAR Ko IM od KE PId SR Ma A 23 EN ducc cl e A 27 HSSI Ling Paral e ud ceneukeesa dide Eras iienaa aana e UP DIDI sesdauncs nei FAM MuR danti du A 28 LAPB Parime ico pc ore er rere DRE RE PORE HU DER LA CES PU EL MEE UFQUC Eee pO ERR pA UU A 31 MCE1 and MCT1 Logical Line Parameters seseeseseseeeneene A 38 MET Port Parameters 2uiunc keel Faure pe nien e NAAN EEE
134. e a device at one end with a local address of 1 DCE and remote address of 3 DTE you must configure the device at the other end with a local address of 3 DTE and remote address of 1 DCE 1 3 6 1 4 1 18 3 4 5 1 31 Pass Thru Local Address COM Connector gt Edit Line gt Edit Sync Parameters None Any unique MAC address of exactly 12 hexadecimal digits Assigns a MAC address to the local interface This address becomes the source address of packets that are bridged to the destination MAC address You assign the destination MAC address with the Pass Thru Remote Address parameter Enter a unique MAC address for the local interface making sure that the second digit is a zero for example 10fffabc5432 Be sure to reverse the local and remote MAC addresses at the remote synchronous pass through interface 1 3 6 1 4 1 18 3 4 5 1 32 114078 Rev A A 63 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Pass Thru Remote Address COM Connector gt Edit Line gt Edit Sync Parameters None Any unique MAC address of exactly 12 hexadecimal digits Assigns a MAC address to the remote interface This address becomes the destination MAC address of packets that are bridged to the local MAC address You ass
135. eb pages CompuServe For assistance with noncritical network support issues Bay Networks Information Services maintain an active forum on CompuServe a global bulletin board system This forum provides file services technology conferences and a message section to get assistance from other users The message section is monitored by Bay Networks engineers who provide assistance wherever possible Customers and resellers holding Bay Networks service contracts also have access to special libraries for advanced levels of support documentation and software To take advantage of CompuServe s recently enhanced menu options the Bay Networks Forum has been re engineered to allow links to our Web sites and FTP sites We recommend the use of CompuServe Information Manager software to access these Bay Networks Information Services resources To open an account and receive a local dial up number in the United States call CompuServe at 1 800 524 3388 Outside the United States call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET xxviii 114078 Rev A InfoFACTS Technical Support and Online Services InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The sy
136. ee eix pd cde B 14 Table B 29 Multiline Parameters suesssseue censa unb nti na Rech A RRRR RR S RRBRR ba MMAR ka RA B 14 Table B 30 LRM Parameters a E PA P E e Mp uU essen B 15 Table C 1 Send Commands for BERT Made isses cinereo t orn C 7 Table C 2 Send Commands for QMCT1 BERT Mode esee C 10 XX 114078 Rev A About This Guide If you are responsible for configuring and managing Bay N etworks routers you need to read this guide Configuring Line Services describes how to customize the Bay Networks router software to configure line services including Instructions for accessing configurable line details with Site Manager Chapter 1 An overview of LAN and WAN line media and protocols Chapter 2 Instructions for customizing the line parameters for Ethernet FDDI and Token Ring lines Chapter 3 ATM El HSSI and TI lines Chapter 4 Synchronous and asynchronous lines Chapter 5 MCEI and MCTI lines Chapter 6 Instructions for configuring multiline services Chapter 7 Instructions for using the Line Resource Manager to manage reservable traffic Chapter 8 A description of all line parameters that are configurable using Site Manager Appendix A A list of line parameter defaults Appendix B Instructions for testing MCE1 and MCTI lines Appendix C Written for system and network managers this guide assumes that You have a working knowledge of Site Man
137. eed parameter to 16 Mb s Accept the current value 1 3 6 1 4 1 18 3 4 2 1 12 114078 Rev A Configuring Line Services Editing WAN Line Services Use the parameter descriptions in this section for editing e Asynchronous Line Parameters e ATM ARE Line Parameters e ATM FRE 2 Line Parameters e El Line Parameters e HSSILine Parameters e LAPB Parameters e MCEI and MCT Logical Line Parameters e MCE Port Parameters e MCT Port Parameters e Synchronous Line Parameters TI Line Parameters Asynchronous Line Parameters Parameter Path Default Options Function Instructions MIB Object ID On a Bay Networks AN or ASN router only the Configuration Manager displays the Edit ASYNC Parameters window when you select the ASYNC protocol from the WAN Protocols window for a COM2 port line Use the window s scroll bar to view all of the asynchronous line parameters Enable COM Connector gt Edit Line gt Edit Asynchronous Parameters Enable Enable Disable Enables or disables ASYNC on the router Set this parameter to either globally enable or disable ASYNC 1 3 6 1 4 1 18 3 4 3 1 2 A 14 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services P
138. eesssssssssss 7 9 Changing the Traffic Distribution Method c irren reete rede etnia 7 11 Grouping Logical Lines into a Multiline Circuit criar rettet reas 7 12 Chapter 8 Managing Line Resources About Line Resource Management Services sse 8 1 Lie Resource Manager LAMY uscsiisiaadecnduscsa aneu breatuck adus A read X hada UR b b MA 8 2 mveci m a Hewt ET 8 2 How LAM WOES WD S T as pe e rd ated cob Dd pates afa 8 2 Starting the LRM TE T E 8 3 Connorin the LRM e S 8 6 setung the Estimated Bacwidili uii ecieu tian ttd edit adie day aieeaii adiaiiis 8 7 Setting this Haservable Bandwidth iiie ober atate dared e 8 7 Specifying the Traffic Queuing Algorithm 22535 tess ter erred hne eren te tto tantus 8 7 Specifying the Policing Algorithin 2 eirca cenaiesne ke tud ntn ect delta tnt mad nears 8 8 SOU o Bandwidtr EPI ace nisadaninits a pars das Lecce R ac aa ducta sas usse unn 8 8 Setting the Inflate Reservations Percentage cccceceeseseeceeeeeeeeeeeeeeeeeeeaeeteneees 8 8 Specifying the Unreserved Policing Algorithm eeseeeeseseeeese 8 9 Specifying the Unreserved Queue Length essen 8 9 Specifying the Multiline Select Algorithm sse 8 10 Setting the Multiline Threshold Bandwidth E 8 10 Set ng The Reservation ESIaUBy euis crat orte ERR ret
139. er Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters MAC Address Select TOKEN Connector gt Edit Line gt Edit Token Ring Parameters PROM BOXWIDE PROM CNFG Determines the source of the MAC address Enter BOX WIDE if you want the Token Ring interface to use a MAC address that the software generates from the router s serial number Enter PROM if you want the Token Ring interface to use a MAC address from programmable read only memory on the Token Ring link module Enter CNFG if you explicitly assigned a MAC address with the MAC Address Override parameter 1 3 6 1 4 1 18 3 4 2 1 10 Speed TOKEN Connector gt Edit Line gt Edit Token Ring Parameters 16 Mb s 16 Mb s 4 Mb s Specifies the speed of the Token Ring media If you select 16 Mb s the router enables the Early Token Release protocol which is used extensively on 16 Mb s media In the unlikely event that you want to disable Early Token Release over 16 Mb s Token Ring media you can do so with the Early Token Release parameter Enter the ring speed 1 3 6 1 4 1 18 3 4 2 1 11 Early Token Release TOKEN Connector gt Edit Line gt Edit Token Ring Parameters Enable Enable Disable Indicates whether the token can return to the ring before the recipient copies all data This parameter is valid only when you set the Sp
140. er to Figure 8 4 4 Click on Delete Site Manager displays the following message Figure 8 6 Do You Really Want To Delete CRM From this Line Cancel a Figure 8 6 Deleting the CRM Line Resource Record 8 12 114078 Rev A Managing Line Resources 5 Click on OK The Configuration Manager window appears The next time you select Edit Line Resources for this line in the Edit Connector window refer to Figure 8 2 Site Manager will prompt you to re create the line resource record You can reconfigure resource reservation by completing the steps in Starting the LRM earlier in this chapter 114078 Rev A 8 13 Appendix A Site Manager Line Services Parameters This appendix contains reference information on Site Manager Line Service parameters in the following sections e Editing LAN Line Services Editing WAN Line Services e Editing Multiline Configuration Parameters e Editing Line Resource Reservation Parameters For each line parameter associated with a physical layer protocol this appendix provides the Site Manager menu path to each parameter information about default settings valid parameter options the parameter function instructions for setting the parameter and the MIB object ID Note The Site Manager menu path to each parameter listed in this appendix begins at the Configuration Manager screen Editing LAN Line Services Read the parameter descriptions
141. ervation latency from 0 through 214748364 milliseconds Reduce the value of this parameter to obtain better delay characteristics for reserved flows but note that overall throughput may decrease Increase the default value to improve throughput but note that reserved flow delays may increase Site Manager Reservation Latency parameter page A 80 Disabling Line Resource Management You can use the Configuration Manager to remove a line s resource reservation services or to delete the line resource record and completely disable LRM on a line Removing a Line s Reservations To remove all outstanding reservations for a particular line 1 Start at the Configuration Manager window 2 Click on the appropriate circuit connector The Edit Connector window appears refer to Figure 8 2 3 Click on Edit Line Resources The Edit Line Resources window appears refer to Figure 8 4 4 Click on Kill Site Manager displays the following message Figure 8 5 114078 Rev A Configuring Line Services Cancel Figure 8 5 Removing a Line s Reserved Resources 5 Click on OK Deleting LRM Services To delete the line resource record and completely disable LRM on a circuit 1 Start at the Configuration Manager window 2 Click on the appropriate circuit connector The Edit Connector window appears refer to Figure 8 2 3 Click on Edit Line Resources The Edit Line Resources window appears ref
142. ervices use digital signals to allow two pairs of wires to carry 24 voice or data transmissions Table 2 3 shows the specification for a T1 line Table 2 3 Specification for T1 Line Attribute Value Framing rate 8000 frames s Channels per frame 24 Line speed 1 544 Mb s 2 18 114078 Rev A About Line Protocols Frame Formats T1 uses two types of frame formats D4 e Extended superframe ESF D4 D4 is the original T1 frame format A D4 frame Figure 2 8 comprises e One framing bit e A DSO timeslot for each channel on the line A DSO timeslot is an 8 bit sample from a channel A T1 line generates 8000 D4 frames second Framing Bit Timeslot 1 Timeslot 2 Timeslot 24 LS0012A Figure 2 8 D4 Frame 114078 Rev A 2 19 Configuring Line Services ESF The D4 format does not allow testing of a digital line while the line is in use To allow such testing you can use the extended superframe ESF An ESF comprises 24 D4 frames Figure 2 9 As each D4 frame contains a framing bit an ESF has 24 framing bits that it uses for the following purposes e Synchronization 6 bits e Error checking 6 bit cyclic redundancy check e Diagnostic data channel 12 bits Frame 23 Frame 24 I l l l l l l l l l l Framing Bit l l Extended Superframe LS0011A Figure 2 9 Extended Superframe Bipolar Format T1 and E1 use bipolar format for signals In bipolar forma
143. es not use the international bit in E1 frames You can enable or disable use of the International Bit for testing an MCE interface Setting the Signal Level MCT1 Only By default the T1 transmit power level is 0 0 dB Specify one of the following decibel level according to the length of the cable or as determined by the carrier 15 dB 7 5 dB 0 0 dB 0 5 dB 0 8 dB 1 1 dB 1 5 dB The DS1 values of 15 and 7 5 dB are long haul the carrier determines these values if 0 0 dB is not sufficient The DSX1 values of 0 0 0 5 0 8 1 1 and 1 5 dB are short haul and correlate with cable length as follows 0 0 dB 0 to 133 ft 0 5 dB 133 to 266 ft 0 8 dB 266 to 399 ft 1 1 dB 399 to 533 ft 1 5 dB 533 to 655 ft C 6 114078 Rev A Testing MCE1 and MCT1 Interfaces Running Port Tests When you have set the MCE1 or MCTI test parameters you can test the line Caution Initiating line tests on all but QMCT1 modules affects all logical lines associated with that port for the duration of the testing 1 Start at the MCEI Figure C 3 or MCTI Figure C 2 Port Actions window 2 Click on the appropriate Send Command Refer to Table C 1 for a list of the commands and their functions 3 Click on Apply Caution Wait until the Port Actions window updates before selecting another action Table C 1 Send Commands for BERT Mode Send Command Function Reset BERT Counters Resets all counte
144. eshold Clear Time E E ncs relates 6 11 Setting the Remote FDL HDLC Address Mode ccccceesseeeeesesteeeeeeseneeeees 6 11 Enabling or Disabling Loopback Requests cccsecceceetteeeneeeeeeeeeeeaeeneaes 6 11 Seting the Loopback REPETIT reset esuiehoiaids 6 12 Setting the Source of Send Performance Messages QMCT1 6 12 Setting the Source of Accept Performance Messages QMCT1 6 12 Setting the Primary Clock Source OMOTI sirine 6 13 Setting the Secondary Clock Source QMCT1 ssssssssssess 6 13 Conriqurian Mon P RI Logical By ES 1 o 0 A D S 6 14 114078 Rev A xi Pu rprkesole Br T Tc 6 15 Usb Ing Logical IER ariarian addis Erasm RD Ed 6 18 Enabling or Disabling the Logical LING uccide ecce io Rc eroe iddss 6 19 Enabling or Disabling Breath of Life BofL Messages susesssss 6 19 eiuiperi4e DET eT rr T 6 19 Enabling or Disabling Diagnostic Loopback ceccsisciaccstsatsitesintcenivontdecereceneniane 6 19 Viewing the Configured WAN Protocol ccccccceeeseeeeeeeeeeeaeeeeeeeeeseaeeeeneees 6 20 Saing the HOLO Semice Type saruri 6 20 Seting the Local HOLC Address 211 e eid adco b ADN 6 20 Setting the Remote HDLC Address sse 6 21 Seng MAIS AOS PIAUOMN OT 6 21 Setting the Interframe Time Fill Pattern 0 0 0 ecccceseeeeeeeeeeeeeseeeeeeeeeeeeeeaeeees 6 21 SPINS CAO OE ee E S LEE UL 6
145. eter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access the ATM ARE Line Parameters from the Configuration Manager Enable ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes Enable Enable Disable Enables or disables the ATM ARE line driver Select Enable or Disable 1 3 6 1 4 1 18 3 4 23 3 2 1 2 Interface MTU ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes 4608 octets 1 to 9188 octets Specifies the largest packet size that the router can transmit on this interface Enter a value that is appropriate for the network 1 3 6 1 4 1 18 3 4 23 3 2 1 9 114078 Rev A Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Data Path Enable ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes Enable Enable Disable Specifies whether or not the router disables the interface between the driver and the higher level software the data path interface if you disconnect the cable from the ATM module If you select Enable when you disconnect the cable from the ATM the router disables the data path interface after the time you specify with the Data Path Notify Timeout parameter If you select Disable the router does n
146. etry Timer 300 tenths of a second not applicable Extended Address Disable Disable Remote Loopback Detection Disable Disable Sync Hold Down Time Os Os Sync Priority 1 1 114078 Rev A B 13 Configuring Line Services T1 Line Parameters Table B 27 T1 Line Parameters Parameter Default Enable Enable Frame Type ESF B8ZS Support Disable Line Buildout 1 Clock Mode Internal Mini Dacs Idle Token Ring Line Parameters Table B 28 Token Ring Line Parameters Parameter Default Enable Enable MAC Address Override None MAC Address Select PROM Speed 16 MB s Early Token Release Enable Multiline Parameters Table B 29 Multiline Parameters Parameter Default Data Path Chooser Address Based B 14 114078 Rev A Line Resource Manager Parameters Default Line Parameter Settings Table B 30 LRM Parameters Parameter Default Estimated Bandwidth 0 Reservable Bandwidth 0 Traffic Queuing Algorithm None Policing Algorithm None Bandwidth Interval Secs 10s Inflate Reservations Percentage 0 Unreserved Policing Algorithm Queue Limit Unreserved Queue Length 20 Multiline Select Algorithm First Fit Multiline Threshold Bandwidth 0 Reservation Latency 50 ms 114078 Rev A Appendix C Testing MCE1 and MCT1 Interfaces This chapter describes how to use the Configura
147. for MAC addresses on a Token Ring interface to e BOXWIDE the interface uses a MAC address that the software generates from the router s serial number e PROM the interface uses a MAC address from programmable read only memory on the Token Ring link module e CNFG you explicitly assign a MAC address with the MAC Address Override parameter Site Manager MAC Address Select parameter page A 13 Specifying the Ring Speed You can set the ring speed for a Token Ring interface to 4 or 16 Mb s By default the ring speed is 16 Mb s Site Manager Speed parameter page A 13 If you use 16 Mb s the router enables the Early Token Release protocol which is used extensively on 16 Mb s media In the unlikely event that you want to disable Early Token Release over 16 Mb s Token Ring media disable Early Token Release as described in the next section Enabling or Disabling Early Token Release Early token release indicates that the token can return to the ring before the recipient copies all data By default Site Manager enables early token release on an interface You can disable or reenable early token release on an interface only when the Ring Speed is16 Mb s Site Manager Early Token Release parameter page A 13 114078 Rev A 3 19 Chapter 4 Customizing WAN Interfaces This chapter describes customizing line parameters for ATM E1 T1 and HSSI WAN interfaces in the following sections
148. ften for workgroup backbone and backend network configurations that require high bandwidth and performance Topics in this overview include The FDDI Standard FDDI Dual Counter Rotating Ring Architecture FDDI Ring Operation FDDI SMT FDDI Ring Maintenance FDDI Hardware 114078 Rev A 2 5 Configuring Line Services The FDDI Standard FDDI uses a dual counter rotating ring topology for fault recovery and sophisticated encoding techniques to ensure data integrity The FDDI standard specifies that the total length of the fiber optic cabling used to connect the nodes may not exceed 200 km or 100 km per ring The FDDI standards consist of the following entities Physical Layer Media Dependent PMD The PMD standard defines the physical characteristics of the media interface connectors and the cabling and the services necessary for transmitting signals between nodes Physical Layer Protocol PHY The PHY standard defines the rules for encoding and framing data for transmission clocking requirements and line states Media Access Control MAC The MAC standard defines the FDDI timed token protocol frame and token construction and transmission on the FDDI ring ring initialization and fault isolation Station Management SMT The SMT standard defines the protocols for managing the PMD the PHY and the MAC components of FDDI The SMT protocols monitor and control the activity of each node on the ring
149. g MCE Port Details or Customizing MCT1 Port Details Selecting the Port Application How you configure an MCE1 or MCTI interface depends on whether you will use the lines for ISDN Primary Rate Interface PRI switched circuits or non PRI permanent circuit applications 114078 Rev A 6 1 Configuring Line Services To select the port application using Site Manager 1 Click on an unconfigured MCE1 or MCT1 connector in the Configuration Manager window The Port Application window appears Figure 6 1 Cancel OK Values Help Port Application Mode NONPRI Figure 6 1 Port Application Window 2 Set the Port Application Mode parameter to NONPRI or PRI Select NONPRI to indicate that all the lines have a permanent circuit number and are for leased lines Frame Relay or permanent connections for other non ISDN PRI applications Select PRI to indicate that the lines are for switched circuits using ISDN Site Manager Port Application Mode parameter page A 43 MCE1 Site Manager Port Application Mode parameter page A 47 MCT1 Note You must configure non PRI applications with MCE1 I modules When you configure the MCEI I module Site Manager displays a warning to indicate that this version of MCE1 does not support ISDN 3 Click on OK The Edit Clock Parameters parameters window appears Go to Setting the Clock Parameters 6 2 114078 Rev A Configuring MCE1 and MCT1 Interfa
150. g which MCT1 tolerates a performance defect or anomaly If the performance defect or anomaly is still present when this time interval expires MCT1 records a performance failure and logs an event message Set the timer value 1 3 6 1 4 1 18 3 4 9 3 1 7 A 50 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Clear Alarm Threshold seconds MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters 2 seconds 2 to 10 seconds Specifies the clear time for performance failure conditions If the defect or anomaly clears within this time interval MCT1 records a performance cleared condition and logs an event message Set the timer value 1 3 6 1 4 1 18 3 4 9 3 1 8 FDL Configuration MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters ANSI 403 ANSI 403 AT amp T 54016 None Selects a Facility Data Link FDL mode only when the line is configured with an ESF line type The default ANSI 403 mode conforms to the 1989 ANSI T1 403 specification Carrier to Customer Installation DSI Metallic Interface AT amp T 54016 conforms to the 1989 AT amp T specification Requirements for Interfacing Digital Terminal Equipment to Services E
151. gt Edit Line gt Edit Sync Parameters Default BCHANNELI BCHANNEL2 DEFAULT FLOATINGB Specifies which B Channel this line is using for ISDN By default the B Channel is tied to the selected connector On AN and ANH routers you can use this parameter to override the Site Manager default and connect the B Channel to a specific serial communications controller SCC Select DEFAULT to use the channel Site Manager assigns Select BCHANNELI or BCHANNEL2 to explicitly assign the B Channel Select FLOATINGB to use only one B Channel of ISDN which becomes BCHANNELI or BCHANNEL2 depending on the call setup procedures COMI and COM2 become available in this mode 1 3 6 1 4 1 18 3 4 5 1 94 Sync Priority COM Connector Edit Line Edit Sync Parameters 1 1 to 50 Used by dial or switched services to assign priority to lines within the same demand or backup pool For example the router uses a line of priority 1 before it uses a line of priority 2 Assign a priority number to each line in the backup pool The lower the number the higher the priority 1 3 6 1 4 1 18 3 4 5 1 97 A 70 114078 Rev A Site Manager Line Services Parameters T1 Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access
152. gure 7 7 Logical Lines Window with Unused Logical Lines MCE1 Example 7 13 Figure 7 8 Circu Doliifiom VEInpoW iue poi eo init ideae Poe R Ie 7 14 Figure 7 9 Select Logical Line Window ccceccceeeseeeeeneeeeeeeeeeeeaeeseeeeeeeaaeeneneees 7 14 Figure 7 10 Selecting an Unused Logical Line sesesesssesesess 7 15 Figure 7 11 Multiline Option from the Circuit Definition Window 7 16 Figure 7 12 Example Logical Lines Window with a Multiline Circuit Defined 7 17 Figure 6 15 MCTI Logical Lines WINdOW scscsaricnsriidairoininnedennnidimeie 8 3 Figure 8 2 Edit Connector Window quiin er v ERR NR UO b QUOC PL Er liane 8 4 Figure 8 3 Creating the Line Resources Record ssss EE EEA ETE ET 8 4 Figure 8 4 Edit Line Resources WINKOW iisonic 8 5 Figure 8 5 Removing a Line s Reserved Resources eese 8 12 Figure 8 6 Deleting the CRM Line Resource Record eeeeeeessse 8 12 Figure Cedi MOET Port Actions WIBOOW inae ere d d t eat ed oder C 2 Figure 6 2 MOTI Port Actions VUIBOD eos eee ae areas iwi dace dea isces C 3 Figure 6 3 QOMCOTI Por AGHONS WIDOOMW iioii raten these pott baee bnck tee tu tack e beum C 8 Figure C 4 QMCT1 Logical Line Actions Window ee C 9 xviii 114078 Rev A Table 1 1 Table 1 2 Table 2 1 Table 2 2 Table 2 3 Table 3 1 Table 3 2 Table B
153. h and I frame numbering is Modulo 8 With the Extended Control S and I frames parameter you can extend the control fields of S and I frames to two octets in length and numbering of all I frames to Modulo 128 You can enable or disable extended control of S and I frames for the interface Site Manager Extended Control S and frames parameter page A 61 Enabling or Disabling Receiver Ready Signals By default the synchronous interface does not send a Receiver Ready RR signal when the Link Idle Timer expires Enable the Idle RR Frames parameter if you want the router to send RRs You can enable or disable idle RR signals for the interface Site Manager Idle RR Frames parameter page A 65 5 24 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Setting the Cable Type If the synchronous interface is connected to a dial up device for switched services you can specify the cable interface type of the device that connects the dial unit You can select one of the following cable types Null e RS232 e RS422 e V35 e X21 By default the Cable Type parameter is set to Null You can set the cable type for the interface Site Manager Cable Type parameter page A 68 Setting the Retry Timer By default the router waits 3 seconds for a response from the interface When the timer expires the router 1 Sends Link Control frames 2 Resends the frames up to the va
154. he Max N2 Retries parameter determines the value of the N2 retry count which is the number of retransmission attempts that the router makes per frame before it considers the line to be down The retry count is the maximum number of attempts following the expiration of the T1 timer By default the number of times the router tries to retransmit is set to 10 You can set the number of retries from 1 through 64 on this interface Site Manager Max N2 Retries parameter page A 34 Setting the T1 Acknowledge Timer The Max T1 Acknowledge Timer specifies the maximum time in seconds that the router waits for an acknowledgment of a frame that it has sent to the network By default this timer is set to 3 seconds You can set the maximum time that the router should wait for a frame acknowledgment from the network to a value from 1 through 9999 seconds Site Manager Max T1 Acknowledge Timer seconds parameter page A 34 114078 Rev A 5 9 Configuring Line Services Setting the Sequenced Frame T2 Acknowledge Timer The Max T2 Acknowledge Timer specifies the time in seconds that the router waits before sending an acknowledgment for a sequenced frame The default value of 1 means that the router does not delay before generating an acknowledgment You can set the amount of time that you want the router to wait before acknowledging a sequenced frame to a value from 1 through 9999 seconds Site Manage
155. he appropriate MIB for the local management interface LMI to use as long as you enable LMI and configure SMDS or Frame Relay across the HSSI interface The HSSI driver provides no support for either the DS1 or DS3 MIB Rather the external DCE for example a DL3200 SMDS CSU DSU from Digital Link may provide MIB support Select a DS1 MIB specified by RFC 1232 or a DS3 MIB specified by RFC 1233 depending on the carrier services the attached DCE device provides DS1 at 1 54 MB s or DS3 at 44 736 MB s 1 3 6 1 4 1 18 3 4 7 1 13 A 30 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters External Clock Speed HSSI Connector gt Edit Line gt Edit HSSI Parameters 46359642 44 736 MB s 307200 to 52638515 Specifies the bandwidth that the HSSI channel provides The HSSI specification requires that the DCE provide a transmit clock that times data transfer across the DTE DCE interface The value you set for this parameter does not actually affect hardware initialization Some routing protocol software uses this parameter value for route selection Enter a value equal or close to the data transmission rate across the HSSI 1 3 6 1 4 1 18 3 4 7 14 CRC Size HSSI Connector gt Edit Line gt Edit HSSI Parameters 32 bit 16 bit 32 bit Specifies an error
156. he local TCP sends keepalive messages to the remote TCP The interval is 8 seconds by default When the local TCP sends out a TCP keepalive message on the asynchronous interface it expects an acknowledgment ACK from the remote TCP The ACK then resets the inactive limit timer If the local TCP does not receive the ACK from the remote TCP within the time limit specified by the TCP Inactive Limit parameter the TCP connection is disabled To prevent an error or alarm condition set the TCP Inactive Limit parameter to a value that allows enough time for multiple TCP keepalive messages You can set the TCP KeepAlive parameter to a value from 3 through 180 seconds for this interface Site Manager TCP KeepAlive parameter page A 17 The router uses this parameter with the TCP Inactive Limit parameter Setting the TCP Inactive Limit When the TCP Inactive Limit timer expires the TCP connection between the router and the remote TCP host is lost By default the TCP connection on an asynchronous interface times out in 300 seconds To prevent a TCP connection loss set this parameter to a value that allows enough time for multiple TCP keepalive messages and ACKs from the remote TCP host If the interface is listening for an incoming connection you can specify a negative value for this parameter to mark the connection as inactive and defer resetting the connection until a connection request is received You can set the TCP Inact
157. hernet LANs and the CSMA CD protocol see Ethernet Overview in Chapter 2 114078 Rev A 3 1 Configuring Line Services Enabling or Disabling an Ethernet Interface The router enables CSMA CD line services when you add a 10 Mb s or 100 Mb s Ethernet interface You can disable and reenable the Ethernet interface without moving physical cabling Site Manager Enable parameter page A 2 Enabling or Disabling Breath of Life Messages With Breath of Life BofL enabled the router sends polling messages from this interface to all systems on the local network BofL messages signify that the Ethernet line is up and functioning normally BofL messages are enabled by default on every Ethernet interface You can disable and reenable BofL messages on an interface Site Manager BofL Enable parameter page A 2 Setting the BofL Interval When BofL is enabled a network timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router automatically disables and reenables the Ethernet interface For example if you set the BofL interval to 10 seconds the interface must successfully transmit a BofL message within 50 seconds The BofL interval is 5 seconds by default You can change the interval of BofL messages to a value from 1 through 60 seconds Site Manager BofL Timeout parameter page A 2 3 2 114078 Rev A Customizing LAN Inte
158. i In edatudkt dem tua ee rU ede reside seite ok pads 5 29 KGDAA Remolie BESUDIES Wall is ccczeisccestdexrecagicoessiasiancateatastactetdanioon ddudecacsiraniass 5 29 LOMA EI FOGE eM C UTERE RT ER RIO YN 5 30 Chapter 6 Configuring MCE1 and MCT1 Interfaces Gong MOET sm MOTI POLTS aon a EH p Dd e ER D Hard FR D des 6 1 Selecting the Port Application T ES 6 1 Beton WIG CGC PAIIEIBIE 1 iic ieaitasi itai mta sa Dni a r p os ea discas Labor asE 6 3 Customizng MCE T Port DUAN uo iae suas adusi ducks aaeain 6 4 Enabling or Disabling the MOET POT 2 it isae Le E SRRbe era ieasanbehissmanterateace 6 5 Senio Te Ene VOE uoecelio dao deed dd ai icd di d ERI MEL d dti ds 6 5 Setting the Line Coding Method sssrin aera Le ad CLR tdi 6 6 Sewing The Alam Threshold DIWIB acie ico iocet ticas aeaa 6 6 Setting the Alarm Threshold Clear Time sseeeeeeeeene 6 6 Enabling or Disabling tha International IBI eiie tite eire te P ius 6 7 Setting the Line Impedance ASN MCE 1 only 6 7 Dusromizing METI Port Detile rinoso id ou ERR aes ei meas 6 7 Enabling or Disabling the MCT1 Port TRE RN TET 6 8 Sauing this MGT1 LING YDE suu cen te D S err a b cr Ee Rake P nici Pod cud 6 9 Setting the Ling Coding Method 2 usc ree ci dud esa Ap rkaia tous casa dade t duda 6 9 SeuinG he Sinal LOVE E 6 10 Seting the Alarm Threshold TIME 2e ect ete ctaiaasceedia idee ies E hia 6 10 Setting the Alarm Thr
159. icit address value 1 3 6 1 4 1 18 3 4 9 6 1 17 Rate Adaptation Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines 64 K LSB 64 K 56 K MSB 156 K LSB Determines the number of bits and their bit positions within the timeslot The 64 K selection uses all 8 bits in the timeslot The two 56 K selections use 7 of the 8 bits in the timeslot The 56 K MSB selection does not use the most significant bit and the 56 K LSB selection does not use the least significant bit in the timeslot Select the line rate adaptation 1 3 6 1 4 1 18 3 4 9 6 1 18 A 40 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Interframe Time Fill Character Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines Flags Flags Idles Specifies the interframe time fill pattern for transmission across this circuit Flags selects an Ox7E pattern 0 1 1 1 1 1 1 0 Idles selects an OxFF pattern 1 1 111111 Set the line interframe time fill character 1 3 6 1 4 1 18 3 4 9 6 1 19 CRC Size Configured MCE1 or MCT1 Connector gt MCE1 T1 Logical Lines 16 bit CRC 32 bit CRC 16 bit CRC Specifies the Cyclic Redundancy Check CRC type With 16 bit CRC the router appends a 16 bit CRC to the t
160. ign the source MAC address with the Pass Thru Local Address parameter Enter a unique MAC address for the remote interface making sure that the second digit is a zero for example 10fffabc5432 Be sure to reverse the local and remote MAC addresses at the remote synchronous pass through interface 1 3 6 1 4 1 18 3 4 5 1 33 WAN Protocol COM Connector gt Edit Line gt Edit Sync Parameters None Standard PassThru PPP SMDS Frame Relay X 25 ATM DXI LAPB SDLC Indicates which WAN protocol has been enabled on this synchronous circuit Accept the current value 1 3 6 1 4 1 18 3 4 5 1 34 CRC Size COM Connector gt Edit Line gt Edit Sync Parameters 16 bit 16 bit 32 bit Specifies an error detection scheme You can choose either 16 bit standard or 32 bit extended frame check sequence FCS to detect errors in the packet Set this parameter to either 16 bit or 32 bit 1 3 6 1 4 1 18 3 4 5 1 35 A 64 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Sync Media Type COM Connector gt Edit Line gt Edit Sync Parameters Default Default T1 E1 RAISEDTR V25BIS ISDN ISDNLEASEDLINE Specifies the signaling method that the router uses for this
161. igure 6 6 114078 Rev A Figures Gonfiguratior Manager WINGO sicoiir 1 2 ST eRe Lisi igs oou en id e E OG UU repent rer mir er dois 1 3 Elle Denmton WRU uus eie e ecu la nia Pe DRE ep AQ ire RU reta m 1 4 miam muipse ep 1 5 Ethernet and 802 3 Message Formats sess 2 3 Enorme LAM BUS TODOIBOV 1o ciini tod Enos Eobcp bep ode ete eats 2 4 Eibemot LAN Star CIODDIDEM iacuit licadpegakie e PEOR M eta t dades 2 5 Felatonship or FDDI Standards 225 maii ei tiet edet iene 2 6 Failure of Corresponding Links on Both Rings sesssessss 2 7 Pallore of Node Dr FING auicm a poete pedo tr 1 P yn HR ER Cr EE RR on RR ER Ie rrt 2 8 Bie ricus LAAN wer ET vp OT 2 14 DA FAME net 2 19 Extendsd UST AMS hoian A a 2 20 Bipolar Format srainarcsannns E AE E EE T 2 21 Bipolar with 8 Zero SUDSIITUBON seriinin 2 22 Auto Negotiation Configuration Prompt ss issisisisiiiunnsiiiiinenisiianniniaiainan 3 4 Auto Neg Advertising Capabilities Window ssessss 3 5 Sample Auto Negotiation State Information Window 3 6 FDDI Advanced Attributes Window sssssseee 3 10 FDDI SMT Adribuleg VIO uiii irena aan 3 11 Default Connection Policy Status Word sss 3 13 Range of Values for FDDI Path Attributes sseseseess 3 15 Satellite Broadcast Sample Topology ssssssse
162. iline Select Algorithm Multiline Threshold Bandwidth Revervation Latency Cancel OK Delete Kill Values Help 10 0 QUEUE LIMIT 20 FIRST FIT 0 50 Figure 8 4 Edit Line Resources Window 114078 Rev A 8 5 Configuring Line Services Configuring the LRM When you activate the LRM you must l 2 Specify an estimated bandwidth value greater than 0 On a multiline circuit edit the Multiline Select Algorithm and Multiline Threshold Bandwidth parameters You may also want to 1 Modify or verify the default queuing of traffic for reserved bandwidth Specify the Traffic Queuing Algorithm Policing Algorithm Bandwidth Interval and Inflate Reservations Percentage Modify or verify the default queuing of traffic for unreserved bandwidth Specify the Unreserved Policing Algorithm and Unreserved Queue Length Modify or verify the maximum latency for a reserved flow packet Set the Reservation Latency See the applicable sections to configure LRM on an interface Setting the Estimated Bandwidth Setting the Reservable Bandwidth Specifying the Traffic Queuing Algorithm Specifying the Policing Algorithm Setting the Bandwidth Interval Setting the Inflate Reservations Percentage Specifying the Unreserved Policing Algorithm Specifying the Unreserved Queue Length Specifying the Multiline Select Algorithm Setting the Multiline Threshold Bandwidth
163. in the bit stream Frac Loop Down Sends a loop down code to the remote end Disable Insert Error Stops the insertion of deliberate errors into the bit stream 3 Click on Apply Caution Wait until the QMCT1 Logical Line Actions window updates before selecting another action 4 Repeat Steps 2 and 3 for each test you want to run 5 Click on Done The QMCTI Port Actions window appears refer to Figure C 3 All changes you apply to the port via the QMCT1 Logical Line Actions window are effective only while the window is active When you exit the QMCT1 Logical Line Actions window all port settings revert to the original port settings C 10 114078 Rev A Symbols 100Base T See Ethernet 2 3 10Base T See Ethernet 2 3 A accessing line service parameters 1 2 address modes 6 11 A 51 addressing point to point connections conventions 5 19 explicit 5 20 alarm signal C 4 AMI line coding MCEI 6 6 A 45 C 5 MCTI 6 10 A 49 ANSI 403 6 9 A 51 Asynchronous default parameters B 2 dialup lines 5 1 editing line details 5 2 A 14 parameters Baud Rate 5 4 A 16 Cfg RxQ Length 5 6 A 19 Cfg TxQ Length 5 6 A 18 A 19 Enable 5 2 5 13 A 14 Idle Timer 5 4 A 17 Local Port 5 3 A 16 MTU 5 2 A 15 Receive Window 5 4 A 17 Remote IP Addr 5 3 A 15 Remote Port 5 3 A 16 Start Protocol 5 2 A 15 TCP Inactive Limit 5 5 A 18 TCP KeepAlive 5 5 A 17 Index AT amp T 54016 6 9 A 51
164. in this section when editing e CSMA CD Line Parameters e FDDI Line Parameters e Token Ring Line Parameters 114078 Rev A A 1 Configuring Line Services CSMA CD Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID You access the CSMA CD Line Parameters for an Ethernet 802 3 LAN interface from the Configuration Manager Enable XCVR Connector gt Edit Line gt Edit CSMA CD Parameters Enable Enable Disable Enables or disables this Ethernet line Select Enable or Disable 1 3 6 1 4 1 18 3 4 1 1 2 BofL Enable XCVR Connector gt Edit Line gt Edit CSMA CD Parameters Enable Enable Disable When set to Enable the router sends Breath of Life polling messages from this system to all systems on the local network Set to Enable or Disable We recommend that you enable BofL 1 3 6 1 4 1 18 3 4 1 1 7 BofL Timeout XCVR Connector gt Edit Line gt Edit CSMA CD Parameters 5 seconds 1 to 60 seconds Specifies the time between transmissions of Breath of Life messages from this Ethernet interface Timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router disables and re enables the Ethernet interface This parameter is valid only if you
165. ine that you want to create The MCEI Logical Lines window now lists the unused logical lines Figure 7 7 shows three unused logical lines 7 12 114078 Rev A Configuring Multiline Services E Slot 3 MCE1 1 Logical Lines Done 1 MCE1 31 1 2 3 4 Add Delet Apply Port Details Gincwitia Timeslots Values Help Enable Disable ENABLE Breath Of Life BO FL Enable Disable ENABLE BOFL Timeout seconds 5 Fractional Loopback DISABLE Service TRANSPARENT Figure 7 7 Logical Lines Window with Unused Logical Lines MCE1 Example To group lines into a multiline group 1 Highlight the circuit that you want to include in a multiline group shows Logical Line 1 with circuit name MCE1 31 1 highlighted 2 Click on Circuit The Circuit Definition window appears Figu 114078 Rev A 7 13 Configuring Line Services SE S Definition Configuration Mode local SNMP Agent LOCAL FILE Protocols Slot Lines XCVRA I XCVR3 P imr XCVR1 F XCVR1 T XCVR2 T CONSOLE Figure 7 8 Circuit Definition Window 3 Click on the connector that has the unused logical lines The Select Logical Line window appears Figure 7 9 displaying the lowest numbered unused logical line S Select Logical Line NECI 0K Cancel ZS Figure 7 9 Select Logical Line Window 4 Click on and hold down the logical line number Figure 7 10 The Select Logical Lines window displays any ad
166. ing MCE1 and MCT1 Interfaces Enabling or Disabling the International Bit By default the MCEI interface does not use the international bit in E1 frames You can enable use of the International Bit for this MCEI interface Site Manager International Bit parameter page A 46 Setting the Line Impedance ASN MCE1 only The line impedance for the ASN MCEI net module is 120 Ohm by default For the ASN MCEI net module only you can change the line impedance to 75 Ohm for an interface Site Manager Line Impedance parameter page A 47 Customizing MCT1 Port Details You set values for configurable MCT1 port service details and enable or disable the MCTI port at the MCT1 Edit Port Parameters window Figure 6 3 To customize MCT1 port parameters select new values for the parameters you want to edit See the following sections Enabling or Disabling the MCT1 Port e Setting the MCTI Line Type e Setting the Line Coding Method Setting the Signal Level e Setting the Alarm Threshold Time e Setting the Alarm Threshold Clear Time e Setting the FDL Mode for ESF Line Types e Setting the Remote FDL HDLC Address Mode e Enabling or Disabling Loopback Requests e Setting the Loopback Configuration e Setting the Source of Send Performance Messages QMCT1 e Setting the Source of Accept Performance Messages QMCT1 Setting the Primary Clock Source QMCT1 e Setting the Secondary Clock Source QMCT1 114078 Re
167. ing open cases e Create new cases for rapid efficient handling of noncritical network situations Communicate directly via e mail with the specific technical resources assigned to your case The Bay Networks URL is Attp www baynetworks com Customer Service is a menu item on that home page Customer Service FTP Accessible via URL ftp support baynetworks com 134 177 3 26 this site combines and organizes support files and documentation from across the Bay Networks product suite including switching products from our Centillion and Xylogics business units Central management and sponsorship of this FTP site lets you quickly locate information on any of your Bay Networks products 114078 Rev A xxvii Configuring Line Services Support Source CD This CD ROM sent quarterly to all contracted customers is a complete Bay Networks Service troubleshooting knowledge database with an intelligent text search engine The Support Source CD contains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete information on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windows 95 Windows NT DOS or UNIX computing platforms A Web links feature enables you to go directly from the CD to various Bay Networks W
168. ions for MCE1 I interfaces 1 3 6 1 4 1 18 3 4 9 1 16 114078 Rev A A 47 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Primary Clock MCTI CLOCK Connector gt Edit Slot x DS1 E1 Clock Parameters Port 1 Ext Loop Internal Port 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the primary source of the timing signals Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Dual MCTI only Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 1 1 4 Secondary Clock MCT1 CLOCK Connector gt Edit Slot x DS1 E1 Clock Parameters Internal Internal Port 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the secondary source of the timing signals The router uses the secondary clock only when the primary clock becomes unavailable Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Dual MCTI only Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 1 1 5
169. it can generate patterns such as all 1s all Os or a QRSS quasi random signal sequence pattern Valid test pattern options are e Zero e Ones e QRSS e 2el5 e 2e15 Inverted e 2e20 e 2e23 e 2e23 Inverted You can specify the bit pattern transmitted during BERT diagnostics Site Manager BERT Test Pattern parameter page A 42 See Appendix C Testing MCE1 and MCTI Interfaces for detailed information about BERT testing 114078 Rev A 6 23 Configuring Line Services Enabling or Disabling Fractional T1 Loopback Code QMCT1 only Fractional T1 loopback is an ANSI standard 127 octet loop Enabling fractional T1 loopback detection channel loopback allows remote test equipment to put one logical line or DSO group on a port into loopback testing mode without affecting the other logical lines or channels Fractional T1 loopback also enables a QMCT1 port to generate and send test patterns to the remote test equipment and verify that the pattern is received and looped back For QMCTI modules only you can disable or reenable fractional loopback detection on this interface Site Manager Remote Loopback Detection parameter page A 42 See Appendix C Testing MCE1 and MCTI Interfaces for detailed information about testing using fractional loopback Accessing Line Resource Reservation QMCT1 only This parameter allows you to edit ST2 line reservation resources if the ST2 service is enabled o
170. ither explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not subject to restricted use on any Equipment however unless otherwise specified on the Documentation each licensed copy of such Software may only be installed on one hardware item at any time Licensee may use the Software with backup Equipment only if the Equipment with which or for which it was acquired is inoperative Licensee may make a single copy of the Software but not firmware for safekeeping archives or backup purposes Licensee may modify Software but not firmware or combine it with other software subject to the provision that those portions of the resulting software which incorporate Software are subject to the restrictions of this license Licensee shall not make the resul
171. iv sa Prb a erat idt aiaia xxvi Bay Networks Information Services sssessssssssssesssseseeeee enne nnns xxvii WorldWide WoD C C E MEER xxvii Gustomer Seice FTP AP xxvii BUDDDUL UR TIBI T TT Puca fao d duty nets Faille Eben eR EIU uat Erding ada pef xxviii ASI O o ee EE xxviii MORATO ETE NPEEES xxix How do Get Peli actes DU db rap Ra cU edsbeat tutus inia mde XXix Chapter 1 Getting Started PUDE sihe Dout eeidogsdigpr ted dpc etta DL eda dedi a ad i pO c me nad eiii did eta Uus 1 1 Accessing Line Services with Site Manager ssssesssseseseeneeeenneenn 1 2 Chapter 2 About Line Protocols er rer of LAN PEDIGDBES toti iaa inel ide rep laudet qute ecd edt uie en tait oaa inda quacd 2 1 Eher CT casei er Ee eee pasti pedore GR E aate OE RE NAE 2 2 DESEO EO eerie Ur ae oe tere Cb citus rr ins PEM RRR L B cel Sos e D PERT Fus 2 2 Modum Access DPI TS Re terriers ttc er cenerere rreecrite A 2 2 Ethemet Frame Formals aevi dye rr C ER RR PE CU OG pA CURT RA 2 3 Ethierriet WOE aacxsd ncemsdcdri ud US EI GA eorr E YE CHI DER HERES GERE cama 2 3 114078 Rev A V TG TOI DIOE cartel oncceertorersaqeasectam NAN 2 4 FORT NETA EN aasian ahii iai iu ecd rra sei ad ted beads 2 5 TE FDD SENIA MM tellers eald cereale aie 2 6 FDDI Dual Counter Rotating Ring Architecture cccccceeseeeeeeeeeeeeeeeeeees 2 7 FDDI Ring OpBESUOD uenia etes cecess eme 2 8 UIN INSEL M 2 10 REIS TEST piemonte prr 2 10 R
172. ive Limit to a value from 65536 through 65535 seconds for this interface Site Manager TCP Inactive Limit parameter page A 18 114078 Rev A 5 5 Configuring Line Services Setting the Maximum Transmit Queue Length The Cfg TxQ Length parameter specifies the maximum length of the transmit queue for the asynchronous interface If the driver transmit queue is larger than the value of this parameter the size of the driver transmit queue is reduced to the value of this parameter You can set the maximum transmit queue length for this interface to a value from 1 through 255 bytes Site Manager Cfg TxQ Length parameter page A 18 Setting the Maximum Receive Queue Length The Cfg RxQ Length parameter specifies the maximum receive queue length for an asynchronous interface If the driver receive queue is larger than the value of this parameter this parameter reduces the size of the driver receive queue You can set the maximum receive queue to a value from 1 through 255 bytes for this interface Site Manager Cfg RxQ Length parameter page A 19 5 6 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Editing LAPB Protocol Attributes This section describes the LAPB line parameters that you can edit when you configure X 25 on a Bay Networks AN or ASN router or on an Octal Sync link module line Topics include Enabling or Disabling LAPB Services Setting the Contro
173. l Field Setting the Station Type Setting the Maximum N1 Frame Size Setting the Window Size Setting the N2 Retry Count Setting the T1 Acknowledge Timer Setting the Sequenced Frame T2 Acknowledge Timer Setting the T3 Disconnect Timer Setting the Link Setup Action Enabling or Disabling Test Exchange Identification XID Frames Enabling or Disabling Receiver Ready RR Frames Selecting the Local Command or Response Address Viewing the WAN Protocol Enabling or Disabling LAPB Services The router enables LAPB line services when you configure a synchronous circuit for the X 25 protocol You can disable and reenable LAPB services on the interface without moving any physical cabling Site Manager Enable parameter page A 32 114078 Rev A 5 7 Configuring Line Services Setting the Station Type The Station Type parameter identifies whether the device is a DTE or DCE for this interface If your device is data terminal equipment select DTE If your device is data communications equipment select DCE If you do not want to assign a specific station type and instead want the network to determine the station type choose DXE This value indicates that the router is in unassigned mode it is neither a DTE nor a DCE If you select DXE the router will send an exchange identification XID but negotiation will not take place until the network assigns a station type By default the station type is DTE You can set
174. line Select the media type appropriate for this line 1 3 6 1 4 1 18 3 4 5 1 54 Idle RR Frames COM Connector gt Edit Line gt Edit Sync Parameters Off On Off Indicates whether or not the router sends a receiver ready RR signal when the Link Idle Timer expires Accept the default or select On if you want the router to send RRs 1 3 6 1 4 1 18 3 4 5 1 61 KG84A Cycle COM Connector gt Edit Line gt Edit Sync Parameters 100 milliseconds 51101251501 10012001 500 Specifies the timer cycle s length in milliseconds This cycle value is used by the timers on the other KG84A devices on the network This also becomes the polling cycle for monitoring FCS errors Accept the default or select one of the valid options and be sure to set the RTS Enable parameter to Enable 1 3 6 1 4 1 18 3 4 5 1 67 114078 Rev A A 65 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID KG84A Sync Loss Interval COM Connector gt Edit Line gt Edit Sync Parameters 50 cycles 2151101251501 1001 200 500 Specifies how many cycles the router should wait after detecting an FCS error to receive a valid frame before declaring that a loss of synchronization has occurred Accept the default or select one of the valid options and be sure to set the RTS Enable parameter to Enable 1 3 6 1
175. lue of the Retry Count parameter 3 Disconnects the link You can specify the length of time to a value from 1 through 9999 seconds before the retry process begins by setting the value of the Retry Timer on the interface Site Manager Retry Timer parameter page A 61 Enabling or Disabling Extended Addressing By default the router does not test the address length of frames on a synchronous interface With the Extended Address parameter enabled the router tests the first bit of the address to determine the length of the address in octets 114078 Rev A 5 25 Configuring Line Services You can enable or disable extended addressing for the interface Site Manager Extended Address parameter page A 61 Enabling or Disabling Remote Loopback Detection Setting the You can configure the router to automatically disable a synchronous interface upon detecting its own BofL messages by enabling the Remote Loopback Detection on an interface If BofL is enabled the device driver disables the interface upon receiving its own BofL packets assuming that the link has been put into loopback mode This function is disabled by default You can enable or disable remote loopback detection for the interface Site Manager Remote Loopback Detection parameter page A 69 Sync Hold Down Time On a synchronous interface configured for dial services you can specify a time period 0 to 9999 seconds for the r
176. m a group with a single circuit name For example in Figure 7 3 the lines connecting to COM2 COMG and COMA now form one circuit called S42 which distributes traffic using address pairs To change the default traffic distribution method go to Changing the Traffic Distribution Method later in this chapter 5 Add the necessary protocols to this circuit See Configuring Bridging Services or the appropriate routing protocol guide for instructions 7 8 114078 Rev A Configuring Multiline Services Adding Physical Synchronous Lines to a Circuit The data paths that form a multiline circuit must share the same bandwidth Maximum Transmission Unit MTU and encapsulation method T1 E1 MCT1 MCEI HSSI and Bay Networks Standard synchronous lines share the same encapsulation method so you can group any of these lines to form a multiline circuit as long as they share the same bandwidth and MTU To add a physical synchronous line to an existing circuit on which you have configured protocols 1 Start at the Configuration Manager window 2 Click on the connector of the circuit to which you are adding lines The Edit Connector window appears 3 Click on Edit Circuit The Circuit Definition window appears Figure 7 S S E Configuration Mode local SNMP Agent LOCAL FILE Protocols Slot Figure 7 4 Lines BP ini T XCVR3 I XCVR2 J XCVR1 COM1 7 COM2 COM3 coma M MCT1 2 TI CLOCK I MCT1 1
177. m the Configuration Manager Enable Disable Configured MCE1 or MCT1 Connector gt MCE1 T1 Logical Lines Enable Enable Disable Enables or disables the logical line Select Enable or Disable 1 3 6 1 4 1 18 3 4 9 6 1 2 Breath of Life BofL Enable Disable Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines Enable Enable Disable When you set this parameter to Enable a BofL packet is sent out on the wire as often as the value you specify for the BofL Timeout Set to Disable only if you want to end transmission of BofL packets 1 3 6 1 4 1 18 3 4 9 6 1 8 BofL Timeout Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines 5 seconds 1 to 60 seconds Indicates the time period between Breath of Life packets Set the time between BofL packets in seconds 1 3 6 1 4 1 18 3 4 9 6 1 9 A 38 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Fractional Loopback Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines Disable Enable Disable Specifies whether or not to use diagnostic loopback mode on this circuit In this mode the router retransmits received data to the sender Select Enable only if you want the port in loopback mode 1 3 6 1 4
178. mat of the interface should match the frame format that the associated T1 equipment requires By default the T1 interface uses ESF framing format For detailed information about D4 and ESF frame formats see the T1 Overview section in Chapter 2 You can set the Frame Type for this interface Site Manager Frame Type parameter page A 71 4 16 114078 Rev A Customizing WAN Interfaces Enabling or Disabling Bipolar with 8 Zero Substitution T1 uses bipolar format for signals In bipolar format alternating positive and negative pulses on the digital line signify the number one and the absence of a pulse signifies zero A long string of zeros on a T1 line would cause the line to lose synchronization due to lack of pulses Bay Networks offers Bipolar with 8 Zero Substitution B8ZS for T1 synchronization Refer to the T1 Overview section in Chapter 2 for detailed information You can enable or disable B8ZS support on this interface depending on the ability of the associated T1 equipment to support B8ZS Site Manager B8ZS Support parameter page A 71 Specifying the Physical Line Length Line Buildout conditions the router signals to mitigate attenuation and depends on the physical length of the T1 line You can configure a line length to a value from 1 through 655 ft By default the T1 Line Buildout is based on a physical line length of 1 foot You can configure the approximate length
179. me interval MCEI records a performance cleared condition and logs an event message Set the timer value 1 3 6 1 4 1 18 3 4 9 3 1 8 International Bit MCE1 Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters Disable Enable Disable Specifies whether the international bit should be set in the E1 frame Select Enable to set the international bit or select Disable 1 3 6 1 4 1 18 3 4 9 3 1 16 A 46 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Line Impedance ASN MCE I Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters 120 Ohm 120 Ohm 75 Ohm For the ASN MCEI net module only specifies Line impedance Set the line impedance 1 3 6 1 4 1 18 3 4 9 3 1 20 MCT1 Port Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the MCT1 port line parameters from the Configuration Manager Port Application Mode Unconfigured MCT1 Connector gt Port Application NONPRI NONPRI PRI Specifies the application that the logical lines of this port provide Select NONPRI to indicate that all the lines permanent circuit number and are for leased lines Frame Relay or permanent connections for other non ISDN PRI applications Select PRI to indicate that the lines are for switched circuits using ISDN You must configure NONPRI applicat
180. meter page A 37 Editing Synchronous Lines This section describes how to edit synchronous line service parameters Topics include Enabling or Disabling a Synchronous Circuit Enabling or Disabling Breath of Life Messages Setting the BofL Timeout Setting the Maximum Transmission Unit MTU Enabling or Disabling Remote Address Filtering Setting the Clock Source Setting the Internal Clock Speed Setting the External Clock Speed Setting the Signal Mode Enabling or Disabling RTS Signals Enabling or Disabling DMA Burst Cycles Specifying the Link Level Protocol Setting the Transmit Window Size Setting Minimum Frame Spacing Specifying Local and Remote Point to Point Addresses Viewing the Configured WAN Protocol Setting Pass Through Addresses Setting the CRC Size Setting the Signaling Method 5 12 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Enabling or Disabling Sync Polling Setting the Line Coding Specifying the Network Link Level Setting the Retry Count Setting the Link Idle Timer Enabling or Disabling Extended Control Enabling or Disabling Receiver Ready Signals Setting the Cable Type Setting the Retry Timer Enabling or Disabling Extended Addressing Enabling or Disabling Remote Loopback Detection Setting the Sync Hold Down Time Setting Sync Priority Setting the B Channel Override Configuring KG84A Security Enabling or Disabling a Synchronous Circuit The router enables synch
181. mote HDLC Address 7 Rate Adaptation 64 K LSB continued 114078 Rev A Default Line Parameter Settings Table B 17 MCE1 Logical Line Parameters continued Parameter Default Interframe Time Fill Character Flags CRC Size 16 bit CRC MTU Size bytes 1600 Table B 18 MCE1 Port Action Parameters Parameter Default BERT Mode Enable Disable BERT Send Alarm Disable BERT Test Pattern Ones International Bit Disable Line Coding HDB3 Line Type None MCT1 Line Parameters Table B 19 MCT1 Clock Parameters All Modules except QMCT1 Parameter Default Primary Clock Port 1 Ext Loop Secondary Clock Internal Table B 20 MCT1 Port Application Parameters Parameter Default Port Application Mode NONPRI 114078 Rev A B 9 Configuring Line Services Table B 21 QMCT1 Clock Parameters Parameter Default Primary Clock Internal Secondary Clock Internal Table B 22 MCT1 Port Parameters Parameter Default Enable Disable Enable Line Type ESF Line Coding B8ZS Signal Level dB 0 0 dB Setup Alarm Threshold seconds 2s Clear Alarm Threshold seconds 2s FDL Configuration ANSI 403 Remote FDL HDLC BY Address Mode Accept Loopback Request Enable Loopback Configuration No Loopback Send Performance Measurement prmCi CR Addr Accept Perf Measurement CR A
182. mploying the Extended Superframe Format Specify the operational mode 1 3 6 1 4 1 18 3 4 9 4 1 14 Remote FDL HDLC Address Mode MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters BY AZ BY Selects the FDL address mode to determine whether the near end FDL responds to HDLC address BY or AZ in messages from the far end FDL Specify the address mode 1 3 6 1 4 1 18 3 4 9 3 1 9 114078 Rev A A 51 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Accept Loopback Request MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters Enable Enable Disable Enables or disables loop up and loop down code detection circuitry in the link module When this parameter is enabled this interface accepts and complies with requests to go into loopback mode from a far end device Enable or disable local loopback 1 3 6 1 4 1 18 3 4 9 3 1 10 Loopback Configuration MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters No Loopback No Loopback Payload Loopback Line Loopback Setting this parameter forces the DS1 interface into loopback The far end or intermediate equipment then performs diagnostics on the network between that equipment and the DS1 interface Payload Loopback The received signal
183. n When timeout occurs the router disables and reenables the synchronous line For example with this parameter set to 5 seconds the interface must successfully transmit and receive a frame within 25 seconds Timeout occurs in 25 seconds You can set the BofL timeout to a value from 1 through 60 seconds on the interface Site Manager BofL Timeout parameter page A 56 Maximum Transmission Unit MTU The MTU parameter specifies the largest frame that the router can transmit on this line The MTU is 1600 bytes by default You can set the MTU from 3 through 4608 bytes on the interface Site Manager MTU parameter page A 56 For X 25 use a value at least 5 bytes more than the maximum packet size for the packet level 5 14 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Enabling or Disabling Remote Address Filtering Setting the Setting the Set the Promiscuous parameter to specify whether the interface filters out packets for addresses other than its own local address or whether addressing filtering is based on the both the local and remote address With this parameter set to Enable address filtering is based on both local and remote address all frames are received on the interface By default the parameter is disabled address filtering is based on the local address and the interface receives only frames destined for its local address You can enable or disable local
184. n the line Refer to Starting the LRM in Chapter 8 for information 6 24 114078 Rev A Configuring MCE1 and MCT1 Interfaces Assigning Timeslots After configuring the logical lines you must assign timeslots also called channels or DSOs for the interface To assign timeslots 1 Start at the MCE1 or MCTI Logical Lines window 2 Click on Timeslots The MCE1 Timeslots or the MCT1 Timeslots window Figure 6 9 appears s Edit Slot 3 MCT1 2 Timeslots rs a Timeslot Logical Line Timeslot Logical Line 1 Unused 13 Unsed Ff Uunsed ITO M unsed 15 Unused F en a 16 Unmsed Ums HN 17 Unused Unsed 7 18 Unused Unused F 19 Unused Unused F 20 Unused Unused F 21 Unused Unused F 22 Unused 7 Unused 7 23 Umsd r7 Unused r 24 nthamnmel OK Select All Deselect All Cancel 2 Ap f T 1 1 L L T 1 i Y 2 3 4 ka 6 r4 s 93 Y ma E E a 2 E E m N L E Figure 6 9 Timeslots Window MCT1 Example This window graphically represents the timeslots 31 for MCEI 24 for MCTI 3 Click on an Unused timeslot A list of possible logical lines to which you can assign the timeslot appears Figure 6 10 114078 Rev A 6 25 Configuring Line Services eit siots MCEI 1Tmesots M Timeslot Logical Line Timeslot Logical Line il Unused T Unused 1 MCE1 31 1 18 Unused
185. n writing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the receipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license 114078 Rev A Contents Configuring Line Services About This Guide Bere OU BOO einai Did basse Vis Redde asa bead reb Ea test aanssaduudaers bude xxii porti PM E xxii HISP MEE RN ED I I ET xxiii Ordering Bay Networks Publicstiolls sicciassccassitedaronmastevteaceasannnonideainienttagantseceeduantaanee xxiv Technical Support and Online Services Bay Networks Customer SOV sisri annsna t
186. nd voice pass through assign identical channels to data or voice on both E1 connectors For example if the first E1 connector allocates Channels 2 through 8 to voice pass through and Channels 9 through 16 to data pass through the second E1 connector must also allocate Channels 2 through 8 to voice pass through and Channels 9 through 16 to data pass through You can assign a specific function to E1 channels Site Manager Mini Dacs parameter page A 28 Editing HSSI Lines This section describes how to edit the line parameters for HSSI link modules in the following sections e Enabling or Disabling a HSSI Line e Enabling or Disabling Breath of Life Messages e Setting the BofL Interval e Setting the Maximum Transmission Unit Buffer Size e Setting the Transmission Interface e Viewing the Configured WAN Protocol e Setting the External Clock Speed e Setting the CRC Size 4 12 114078 Rev A Customizing WAN Interfaces Enabling or Disabling a HSSI Line By default the router enables HSSI line services when you add the interface You can enable or disable this interface without moving physical cabling Site Manager Enable parameter page A 28 Enabling or Disabling Breath of Life Messages By default the router transmits proprietary Ethernet encapsulated Breath of Life BofL messages over a point to point connection between the local router and a remote peer The exchange of BofL messages provi
187. ndstation transmits data every endstation on the LAN receives the data Each endstation checks each data unit to see whether the destination address matches its own address If the addresses match the endstation accepts and processes the packet If they do not match it disregards the packet Medium Access Control Endstations use CSMA CD to monitor the media and wait until it is idle before transmitting data Carrier Sense Multiple Access Before attempting to transmit a message an endstation determines whether or not another endstation is transmitting a message on the media If the media is available the endstation transmits the message if not the endstation delays its transmission until the other endstation has finished sending Collision Detection If two endstations transmit data simultaneously a collision occurs and the result is a composite garbled message All endstations on the network including the transmitting endstations detect the collision and ignore the message Each endstation that wants to transmit waits a random amount of time and then attempts to transmit again The random transmission delays reduce the probability that the endstations will transmit simultaneously again 2 2 114078 Rev A About Line Protocols Ethernet Frame Formats There are two MAC layer frame format specifications used in Ethernet LANs The first specification is called Ethernet The second standardized by the IEEE is called 802 3
188. ne gt Edit Asynchronous Parameters 7 1 to 65535 Specifies a remote port for the TCP connection for asynchronous communications Enter a remote port number The remote port number is used only when the Start Protocol parameter is set to Originate 1 3 6 1 4 1 18 3 4 3 1 27 Local Port COM Connector gt Edit Line gt Edit Asynchronous Parameters 2100 1 to 65535 Specifies a local port on the router for the TCP connection for asynchronous communications Enter a local port number The local port number is used only when the Start Protocol parameter is set to Answer 1 3 6 1 4 1 18 3 4 3 1 28 Baud Rate COM Connector gt Edit Line gt Edit Asynchronous Parameters 9600 300 1200 2400 4800 9600 19200 Specifies the asynchronous line speed Select the appropriate line speed for this configuration 1 3 6 1 4 1 18 3 4 3 1 29 A 16 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Idle Timer COM Connector gt Edit Line gt Edit Asynchronous Parameters 20 seconds 1 to 300 seconds Specifies the asynchronous idle timer in seconds Enter an appropriate idle timer value in seconds 1 3 6 1 4 1 18 3 4 3 1 30 Receive Window COM Connector gt Edit Line
189. ng line parameters that you can edit e Enabling or Disabling a Token Ring Interface e Specifying a MAC Address Override e Specifying a MAC Address Source e Specifying the Ring Speed e Enabling or Disabling Early Token Release Note For information on Token Ring LANs see Token Ring Overview in Chapter 2 Enabling or Disabling a Token Ring Interface By default Site Manager enables Token Ring line services when you add the interface You can disable and reenable the interface without moving physical cabling Site Manager Enable parameter page A 12 Specifying a MAC Address Override You can specify a MAC address override for an interface Site Manager MAC Address Override parameter page A 12 If you want to specify a MAC address for an interface for example to avoid host number conflicts on a directly connected IPX or XNS network enter the 48 bit MAC address in MSB format that is enter Ox followed by 12 hexadecimal digits If you enter a MAC address with this parameter you must set the MAC Address Source to CNFG as described in the next section If you want the router to generate the MAC address for this Token Ring interface do not change this parameter from its default value of zero 3 18 114078 Rev A Customizing LAN Interfaces Specifying a MAC Address Source By default the Token Ring interface uses the MAC address in PROM on the link module You can set the source
190. ning bipolar violations in the fourth and seventh bit positions of the substituted code In the receive direction the HDB3 code is detected and replaced with eight consecutive binary Os You can select AMI line coding method instead AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCE link module remains synchronized upon receiving up to 45 consecutive Os You can set the line coding for this MCEI interface Site Manager Line Coding parameter page A 45 Setting the Alarm Threshold Time By default the MCE1 interface waits 2 seconds before logging a performance defect or anomaly as an event message You can change that time the alarm threshold to any value from 2 through 10 seconds for this MCE interface Site Manager Setup Alarm Threshold seconds parameter page A 46 Setting the Alarm Threshold Clear Time By default the clear time for performance failure conditions is 2 seconds If the defect or anomaly clears within this time interval MCEI records a performance cleared condition and logs an event message You can change the alarm threshold clear time to any value from 2 through 10 seconds for this MCEI interface Site Manager Clear Alarm Threshold seconds parameter page A 46 6 6 114078 Rev A Configur
191. nt 5 18 114078 Rev A Customizing Synchronous and Asynchronous Interfaces The default is 1 frame You can set the Transmit Window size to a value from 1 through 7 I frames Site Manager Transmit Window Size parameter page A 62 Setting Minimum Frame Spacing Minimum Frame Spacing specifies the minimum number of flags transmitted between adjacent frames on this interface The interface transmits 1 frame by default You can set frame spacking to a value from 1 through 32 flags for the interface Site Manager Minimum Frame Spacing parameter page A 62 Specifying Local and Remote Point to Point Addresses According to convention one end of a point to point circuit is designated DCE and is assigned an address of 01 the other end of the circuit is designated DTE and is assigned an address of 03 If you configure a device at one end with a local address of 1 DCE and remote address of 3 DTE you must configure the device at the other end with a local address of 3 DTE and remote address of 1 DCE The remote and local addresses must be 1 DCE or 3 DTE if you configure X 25 on a line Conventional addressing however is inadequate in the case of multiple communication channels enabled by a common satellite link As illustrated in Figure 5 1 a common satellite relay link provides a virtual point to point link between routers A and X B and Y and C and Z Conventional addressing designates router
192. nterfaces support a Class A dual attachment or a dual homing Class B single attachment The FDDI link and net modules include two Media Interface Connector MIC plugs as well as one RJ 11 connector for attachment to an optional external optical bypass unit Token Ring Overview Token Ring is a 4 Mb s or 16 Mb s token passing baseband LAN that operates in a ring topology Token Ring conforms to the IEEE 802 5 standard A Token Ring LAN uses shielded or unshielded twisted pair cable Overview topics in this section include e Token Ring Topology Data Flow and Media Access Control The Token Ring 802 5 interface is IEEE 802 5 compatible with IEEE 802 2 Type 1 connectionless and Type 2 connection oriented support You can configure the interface to operate at 4 or 16 Mb s to respond to different network requirements The interface supports IBM Type 1 and Type 3 cabling Token Ring Topology Stations on a Token Ring network attach to the network using a multistation access unit MAU Although the Token Ring is logically a ring it is physically a star with devices radiating from each MAU Figure 2 7 MAUS connect a limited number of devices typically two four or eight You can extend the Token Ring by connecting the Ring Out RO port of one MAU to the Ring In RI port of the next Figure 2 7 You must complete the ring by connecting all RI and RO ports 114078 Rev A 2 13 Configuring Line Services
193. o ed I Ua e a cs Dp a en Eod B 14 Multiline es USD Cr SI RET TTE D DO STE B 14 Ling Resource Manager PSTEBIDES iasence a E raana B 15 xiv 114078 Rev A Appendix C Testing MCE1 and MCT1 Interfaces Apot TING TESIS me C 1 IU WSU ARAN NS sca ea E EET C 2 Enabing OF Disab BERT MOJE xs s 2550 jth sacaes te ion emat bec sario t tareamadeceeeaieiaee C 4 Seung tos SERT Alarm WG iunii dee eines aia eae ames C 4 Setting ihe BERT Test Patel cciicesccicecericrssnadaalene maa ERA Eia a d C 4 SOMO IS LINES COC Mengden a A Oaa C 4 iele BT c C 5 NAD OS Rev Em C 5 Sowno ile dM MUI e ep UTEM C 5 MEE DEOS 22i aicebit acsi a ld dos pad LI fed EU NUI C 5 MOTT Lies aurrearen E A C 6 Enabling or Disabling the International Bit MCE1 Only sesser C 6 Setting the Signal Level MCT TOMMY 25 nett enn a sca tantantiazadeastanagouds C 6 I pnis Port TEOS MR e UU C 7 Testing Individual Logical Lines OMG TT Only 12i eet ret eee RO here NDE C 8 Index 114078 Rev A XV Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 5 1 Figure 5 2 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 F
194. odule remains synchronized upon receiving up to 45 consecutive Os HDB3 line coding maintains sufficient 1s density within the E1 data stream It replaces a block of eight consecutive binary Os with an 8 bit HDB3 code containing bipolar violations in the fourth and seventh bit positions of the substituted code In the receive direction the HDB3 code is detected and replaced with eight consecutive binary Os Select the line coding method 1 3 6 1 4 1 18 3 4 9 4 1 7 114078 Rev A A 45 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Setup Alarm Threshold seconds MCE1 Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters 2 seconds 2 to 10 seconds Specifies the time interval during which MCE1 tolerates a performance defect or anomaly If the performance defect or anomaly is still present when this time interval expires MCEI records a performance failure and logs an event message Set the timer value 1 3 6 1 4 1 18 3 4 9 3 1 7 Clear Alarm Threshold seconds MCEI Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters 2 seconds 2 to 10 seconds Specifies the clear time for performance failure conditions If the defect or anomaly clears within this ti
195. of the cable connecting the router and the associated T1 equipment for this interface Site Manager Line Buildout parameter page A 72 Setting the Internal Clock Mode The T1 equipment associated with a T1 interface must use a compatible transmit clock The T1 interface supports three sources for the transmit clock e Internal Indicates that the router sets the clock e Slave Indicates that the incoming data stream sets the clock e Manual Indicates that jumpers on the T1 link or net module set the clock You can set the Clock Mode on this interface 114078 Rev A 4 17 Configuring Line Services By default the T1 interface uses manual clock mode determined by hardware configuration jumpers Refer to Installing and Maintaining BN Routers or Installing and Maintaining ASN Routers and BNX Platforms for information on configuring the T1 module s hardware jumpers Site Manager Clock Mode parameter page A 72 Assigning Channel Functions Each T1 channel on an interface is idle by default You can assign the following functions e Data Assigns the channel to data pass through T1 connector to T1 connector Voice Assigns the channel to voice pass through T1 connector to T1 connector e Circuit l Assigns the channel to the first T1 connector e Circuit 2 Assigns the channel to the second T1 connector e Idle Makes the channel idle Circuit Assignment You cannot allocate an T1
196. on line coding replaces a block of eight consecutive binary Os with an 8 bit B8ZS code containing bipolar violations in the fourth and seventh bit positions of the substituted code In the receive direction the B8ZS code is detected and replaced with eight consecutive binary Os Select the line coding method 1 3 6 1 4 1 18 3 4 9 4 1 7 114078 Rev A A 49 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Signal Level dB MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters 0 0 dB 15 dB 7 5 dB 0 0 dB 0 5 dB 0 8 dB 1 1 dB 1 5 dB Specifies the T1 transmit power level in decibels dB The DS1 values of 15 and 7 5 dB are long haul and the carrier determines these values if 0 0 dB is not sufficient The DSX1 values of 0 0 0 5 0 8 1 1 and 1 5 dB are short haul and correlate with cable length as follows 0 0 dB 0 to 133 ft 0 5 dB 133 to 255 ft 0 8 dB 266 to 390 ft 1 dB 399 to 533 ft e 1 5 dB 533 to 655 ft Specify the decibel level according to the length of the cable or as the carrier specifies 1 3 6 1 4 1 18 3 4 9 3 1 6 Setup Alarm Threshold seconds MCT1 Connector gt Edit Logical Lines gt Port Details gt MCT1 Port Parameters 2 seconds 2 to 10 seconds Specifies the time interval durin
197. on Services complement the Bay Networks Service program portfolio by giving customers and partners access to the most current technical and support information through a choice of access retrieval means These include the World Wide Web CompuServe Support Source CD Customer Support FTP and InfoFACTS document fax service 114078 Rev A XXV Configuring Line Services Bay Networks Customer Service If you purchased your Bay Networks product from a distributor or authorized reseller contact that distributor s or reseller s technical support staff for assistance with installation configuration troubleshooting or integration issues Customers can also purchase direct support from Bay Networks through a variety of service programs As part of our PhonePlus program Bay Networks Service sets the industry standard with 24 hour 7 days a week telephone support available worldwide at no extra cost Our complete range of contract and noncontract services also includes equipment staging and integration installation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program features use the following numbers Region Telephone Number Fax Number United States and 1 800 2LANWAN enter Express Routing 508 670 8766 Canada Code ERC 290 when prompted 508 436 8880 direct Europe 33 92 968 300 33
198. on this line Set this parameter to a value appropriate for your network For X 25 use a value at least 5 bytes more than the maximum packet size for the packet level 1 3 6 1 4 1 18 3 4 5 1 9 A 56 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Promiscuous COM Connector gt Edit Line gt Edit Sync Parameters Disable Enable Disable Specifies whether address filtering based on the local and remote address is enabled If you set this parameter to Enable all frames are received If you set this parameter to Disable only frames destined for this local address are received Set this parameter to Enable or Disable 1 3 6 1 4 1 18 3 4 5 1 11 Clock Source COM Connector gt Edit Line gt Edit Sync Parameters External External Internal Specifies the origin of the synchronous timing signals clock If you set this parameter to Internal this router supplies the required timing signals If you set this parameter to External an external network device supplies the required timing signals In most cases this parameter should be set to External Set this parameter to either Internal or External as appropriate for your network For direct connection to a control unit such as an IBM 3174 set to Internal For connection to a modem set to External
199. only when the primary clock becomes unavailable Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Dual MCEI only Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 1 1 5 Enable Disable MCEI Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters Enable Enable Disable Enables or disables the MCE1 port Set to Disable only if you want to disable the MCEI port 1 3 6 1 4 1 18 3 4 9 4 1 2 A 44 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Line Type MCE1 Connector gt Edit Logical Lines gt Port Details gt MCEI Port Parameters El E1 E1 CRC E1 MF E1 CRC MF Specifies the framing format Select the appropriate frame format for your E1 equipment 1 3 6 1 4 1 18 3 4 9 4 1 6 Line Coding MCE1 Connector gt Edit Logical Lines gt Port Details gt MCE1 Port Parameters HDB3 AMI HDB3 Specifies a line coding method AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCEI link m
200. or information on how to group logical lines into a multiline circuit go to Grouping Logical Lines into a Multiline Circuit on page 7 12 e For information on how to group physical synchronous lines into a multiline circuit see Grouping Physical Synchronous Lines into a Multiline Circuit on page 7 7 or Adding Physical Synchronous Lines to a Circuit on page 7 9 e For information about how to use multiline with Frame Relay refer to Configuring Frame Relay Services Grouping Physical Synchronous Lines into a Multiline Circuit To group up to 16 physical synchronous lines into a multiline circuit 1 Start at the Configuration Manager window 2 Click on the appropriate link module connector You must select an E1 T1 MCT1 MCEI HSSI or synchronous link or net module connector The Add Circuit window appears Figure 7 3 114078 Rev A 7 7 Configuring Line Services Configuration Mode SNMP Agent Circuit Name 842 Color Key Available Select lines from available connectors Selected Slot 5 Figure 7 3 Connectors M XCYR4 M XCVR3 I XCVR2 MP XCVR1 cme cos oo MCT1 2 I CLOCK T MCT1 1 I MCE1 2 T CLOCK I MCE1 1 I CONSOLE Cancel Add Circuit Window 3 Click on the other connectors that you want to add to the multiline circuit You must again select E1 T1 MCT1 MCEI HSSI or Synchronous link module connectors 4 Click on OK The connectors that you selected now for
201. ot 2 Resides Module 3 Connector Position on Net Module Port 1 Circuit Name MCE1 23 Logical Line LS0019A Figure 6 7 Default Circuit Name for ASN Net Modules 4 Click on OK The WAN Protocols window appears 5 Select the WAN protocol and click on OK Refer to Configuring Routers and to the appropriate protocol configuration guide for information about selecting WAN protocols The Select Protocols window appears 6 Select the protocols to run on this logical line Refer to the appropriate protocol configuration guide for instructions When you have finished the Logical Lines window appears showing the first MCE or MCTI circuit Figure 6 8 6 16 114078 Rev A Configuring MCE1 and MCT1 Interfaces Slot 3 MCE1 2 Logical Lines 1 MCE1 32 1 Done Add Delete Apply Port Details Circuit jTimeslots Values Help Enable Disable ENABLE Breath Of Life BOFL Enable Disable ENABLE BOFL Timeout seconds 5 Fractional Loopback DISABLE WAN Protocol STANDARD Service LLC1 Figure 6 8 Logical Lines Window with One Circuit Defined MCE1 example 7 Repeat Steps 2 through 6 for each logical line that you want to create A single MCEI port supports up to 31 logical lines A single MCT1 port supports up to 24 logical lines Note If you want to group the logical lines into a multiline circuit see Grouping Logical Lines into a Multiline Circuit in Chapter 7
202. ot disable the data path interface when you disconnect the cable from the ATM module Select Enable or Disable If you select Enable be sure to enter an appropriate value for the Data Path Notify Timeout parameter 1 3 6 1 4 1 18 3 4 23 3 2 1 11 Data Path Notify Timeout ATM Connector Line Attributes ATM ARE Line Driver Attributes 1 second 0 to 3600 seconds Defines the time the router waits before disabling the data path interface when you disconnect the cable from the ATM module providing that you set the Data Path Enable parameter to Enable Accept the default or enter an appropriate time value 1 3 6 1 4 1 18 3 4 23 3 2 1 12 A 20 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters SVC Inactivity Timeout Enable ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes Enable Enable Disable If you select Enable the router disables any SVC on which the router receives or transmits no cells for the number of seconds you specify using the SVC Inactivity Timeout Secs parameter If you select Disable the router keeps SVCs open unless you close them by another method Select Enable or Disable 1 3 6 1 4 1 18 3 4 23 3 2 1 13 SVC Inactivity Timeo
203. ote Port e Specifying the Local Port e Setting the Baud Rate e Setting the Idle Timer e Setting the TCP Receive Window Size e Setting the TCP Keepalive Message Interval e Setting the TCP Inactive Limit Setting the Maximum Transmit Queue Length e Setting the Maximum Receive Queue Length 114078 Rev A 5 1 Configuring Line Services Note On a Bay Networks AN or ASN router or with a configured Octal Sync link module the Configuration Manager displays the Edit ASYNC Parameters window when you select the asynchronous protocol from the WAN Protocols window for a COM port line Use the window s scroll bar to view all of the asynchronous line parameters Enabling or Disabling the Asynchronous Driver The router enables asynchronous line services when you add the interface You can disable and reenable the interface without moving any physical cabling Site Manager Enable parameter page A 14 Setting the Maximum Transmission Unit MTU By default the the router can transmit packets up to 1000 bytes on an asynchronous interface via the Transmission Control Protocol TCP This value is the MTU You can set the MTU to a value from 3 through 1580 bytes on this interface Site Manager MTU parameter page A 15 Specifying the Start Protocol There are three options for the start protocol for an asynchronous TCP connection e Answer Advises local TCP to wait for a connection request e Loop
204. otocol software uses this parameter value for route selection If you configure protocol prioritization the router uses this parameter to calculate line delay See Configuring Traffic Filters and Protocol Prioritization for information about protocol prioritization latency and queue depth You can set the internal clock speed for the interface Site Manager Internal Clock Speed parameter page A 58 Setting the External Clock Speed The External Clock Speed parameter sets the clock speed of an externally supplied clock when the Clock Source parameter is set to External You cannot set this parameter when the Clock Source parameter is set to Internal By default the external clock speed is 64102 bits s Set the clock speed for the external clock to the data transmission rate that most closely corresponds to the speed of the external clock You can set the external clock to a value from 1200 through 6000000 bits s Some routing protocol software uses this parameter value for route selection If you configure protocol prioritization the router uses this parameter to calculate line delay See Configuring Traffic Filters and Protocol Prioritization for information about protocol prioritization latency and queue depth You can set the external clock speed for the interface Site Manager External Clock Speed parameter page A 69 5 16 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Setting
205. otocols gt AppleTalk identifies the AppleTalk option in the Protocols menu xxii 114078 Rev A Acronyms AMI ANSI ATM B8ZS BERT BofL CRC CRM CSMA CD CTS FDDI FDL HDLC HSSI IP LAPB LRM MAC MAU MCEI MCTI MIB MTU NCP NLPID NSAP OSPF PCM PDU PHY PMD About This Guide alternate mask inversion American National Standards Institute asynchronous transfer mode bipolar with 8 zero substitution bit error rate test Breath of Life message cyclic redundancy check Circuit Resource Manager Carrier Sense Multiple Access with Collision Detection clear to send Fiber Distributed Data Interface facility data link high level data link control High speed Serial Interface Internet Protocol Link Access Procedure Balanced Line Resource Manager Media Access Control multistation access unit Multichannel E1 Multichannel T1 management information base maximum transmission unit Network Control Protocol Network Layer Protocol Identifier Network Service Access Point Open Shortest Path First Physical Connection Management FDDI Protocol Data Unit Physical Layer Protocol FDDI Physical Layer Media Dependent FDDI 114078 Rev A xxiii Configuring Line Services PPP Point to Point Protocol PTT Post Telephone and Telegraph PVC permanent virtual circuit QoS quality of service RIP Routing Information Protocol RMT Ring Management FDDI RTS request to send SAP Service Access Point SDH s
206. ource By default the router uses its internal clock for time signals on this interface You can use Site Manager to select an external clock as the Clocking Signal Source on the interface Site Manager Clocking Signal Source parameter page A 22 Setting the Physical Line Length DS3 Modules Only By default the router conditions signals to mitigate attenuation for lines less than 225 ft 75 m You can use Site Manager to set the DS3 Line Build Out for the physical length of the line on the interface Site Manager DS3 Line Build Out parameter page A 22 4 4 114078 Rev A Customizing WAN Interfaces Select Short for lines less than 225 ft Select Long for lines 225 ft or greater You can set this parameter only when using DS3 modules Enabling or Disabling DS3 E3 Scrambling ATM devices with different scrambling settings cannot communicate For example if you configure a router to enable scrambling and configure a hub to disable scrambling the router and hub cannot communicate You can turn DS3 E3 Scrambling on or off for this interface Site Manager DS3 E3 Scrambling parameter page A 23 If you select On the router randomizes cell payload sufficiently to guarantee cell synchronization Be sure to enable scrambling for all devices on the network If you select Off be sure to disable scrambling for all devices on the network Be aware that cell synchronization problems ma
207. outer to wait before bringing up the line This delay allows time for the primary line to recover before activating a dial up line The Sync Hold Down Time parameter is set to 0 by default You can set the hold down time for the interface Site Manager Sync Hold Down Time parameter page A 68 Setting Sync Priority On a synchronous interface configured for dial or switched services you can assign a priority number from 1 through 50 to each line within the same demand or backup pool The lower the number the higher the Sync Priority For example the router uses a line of priority 1 before it uses a line of priority 2 You can set the priority for the interface Site Manager Sync Priority parameter page A 70 5 26 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Setting the B Channel Override On AN and ANH routers with ISDN support only you can connect the ISDN B Channel to a specific serial communications controller SCC By default the B Channel is determined by the connector You can use the Sync B Channel Override parameter to specify which B Channel this interface is using for ISDN Select BCHANNEL1 or BCHANNEL2 to explicitly assign the B Channel You can set the B channel to DEFAULT e BCHANNELI e BCHANNEL2 e FLOATINGB If your ISDN service provider only offers 2B D service the FLOATINGB option enables you to use only one B channel for dial service applications
208. oves stations at the PHY level Connects PHYs and MACs with a node e Uses trace diagnostics to identify and isolate a faulty component 2 10 114078 Rev A About Line Protocols e Manages the physical connection between adjacent nodes including Testing the quality of the link before establishing a connection Establishing a connection Monitoring link errors continuously when the ring is operational RMT RMT receives status information from the MAC and CMT reporting this information to SMT and higher level processes for example SNMP It detects stuck beacon conditions and duplicate addresses and determines when the MAC is available for transmitting frames Duplicate addresses prevent the proper operation of the ring SMT Frame Services SMT frame services manage and control the FDDI network and the nodes on the network Different SMT frame classes and types implement these services Frame class identifies the function that the frame performs Frame type specifies whether the frame is an announcement a request or a response to a request FDDI SMT frames are limited to a single FDDI ring The frames cannot move across WANs or across multiple FDDI rings The frames do not manage functions outside FDDI Table 2 1 lists the SMT frames that Bay Networks routers support Table 2 1 SMT Frame Classes and Types Frame Class Frame Type Neighbor Information Frames NIF Request Response Status Informa
209. parameters BofL 4 13 A 29 BofL Frequency 4 14 A 29 CRC Size 4 15 A 31 Enable 4 13 A 28 External Clock Speed 4 15 A 31 MTU 4 14 A 30 Transmission Interface 4 14 A 30 WAN Protocol 4 14 A 30 InfoFACTS service xxix interframe time fill pattern 6 21 A 41 K KG84A configuring 5 27 to 5 30 cryptographic device 5 17 A 59 L LAN Ethernet 2 2 FDDI 2 5 Token Ring 2 13 LAPB default parameters B 7 description 2 17 parameters Command Response Address 5 11 A 36 Control Field 5 8 A 33 Enable 5 7 A 32 Enable Rx Tx of XID Frames 5 11 A 36 Idle RR Frames 5 11 A 37 Initiate Link Setup Action 5 10 A 36 Max N1 Frame Size octets 5 8 A 33 Max N2 Retries 5 9 A 34 Max T1 Acknowledge Timer seconds 5 9 A 34 Max T2 Acknowledge Timer seconds 5 10 A 35 Max T3 Disconnect Timer seconds 5 10 A 35 Station Type 5 8 A 32 WAN Protocol 5 12 A 37 Window Size 5 9 A 33 line coding MCE1 6 6 A 45 C 5 MCT1 6 10 A 49 C 5 line resource default parameters B 15 Line Resource Manager LRM configuring 8 1 to 8 13 disabling 8 11 line resource record 8 11 overview 8 1 parameters Bandwidth Interval Secs 8 8 A 77 Estimated Bandwidth 8 7 A 75 Inflate Reservations Percentage 8 9 A 77 Multiline Select Algorithm 8 10 A 79 Multiline Threshold Bandwidth 8 10 A 79 Policing Algorithm 8 8 A 76 Index 4 114078 Rev A Reservable Bandwidth 8 7 A 75 Reservation Latency
210. police the unreserved traffic based on the unreserved bandwidth This method does not allow unreserved traffic to take advantage of available reserved bandwidth You can set the Unreserved Policing Algorithm for this interface Site Manager Unreserved Policing Algorithm parameter page A 78 Specifying the Unreserved Queue Length If the Unreserved Policing Algorithm parameter is set to Queue Limit you can specify the maximum number of unreserved best effort packets to be held in queue for transmission After the queue length reaches this value the router discards best effort traffic when congestion occurs Note that Priority queuing limits if configured override the value of this parameter 114078 Rev A 8 9 Configuring Line Services By default LRM holds a maximum of 20 unreserved packets in queue for transmission Change this value to adjust the queue length limit a value from 0 through 214748364 packets limited by available buffers Site Manager Unreserved Queue Length parameter page A 78 Specifying the Multiline Select Algorithm If you configured LRM on a multiline circuit you can choose one of two algorithms that determine how LRM selects which line to use for a new resource request e First Fit Always uses the first available line that can service reserved traffic requests e Round Robin Rotates the use of lines available to service requests All lines for a circuit mus
211. r Max T2 Acknowledge Timer seconds parameter page A 35 Setting the T3 Disconnect Timer The Max T3 Disconnect Timer specifies the time in seconds that the router waits before determining that the link is disconnected By default this timer is set to 60 seconds A value of 1 indicates that once the router completes the frame exchange to bring down the link it considers the link disconnected You can set the amount of time that you want the router to wait before it decides that the link is disconnected to a value from 1 through 9999 seconds Site Manager Max T3 Disconnect Timer seconds parameter page A 35 Setting the Link Setup Action The Link Setup Action parameter identifies whether or not the router initiates link setup or waits for the network to initiate Enter Active if you want the router to initiate link setup or Passive if you want the network to initiate link setup Link Setup is Active by default You can set the Link Setup Action to Active or Passive Site Manager Initiate Link Setup Action parameter page A 36 5 10 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Enabling or Disabling Test Exchange Identification XID Frames The Enable Rx Tx of XID Frames parameter enables or disables the transmission and reception of test exchange identification XID frames by the router Select Enable to allow the router to send XID frames Select Disable to preven
212. r information about the KG84A parameters You can set the line coding for the interface Site Manager Sync Line Coding parameter page A 69 Specifying the Network Link Level By default the Network Link Level for this synchronous point to point connection is NET2 Change this parameter to GOSIP when this synchronous point to point connection is part of a GOSIP compliant network such as DOD Change this parameter to SYNC TYPE C03 when you are running X 25 on a synchronous board with the MK 5025 C03 chip You can set the link level for the interface Site Manager Network Link Level parameter page A 68 114078 Rev A 5 23 Configuring Line Services Setting the Retry Count By default the router makes 16 attempts to retransmit a frame before a line is declared down You can specify the number of retransmission attempts from 1 through 64 for the interface Site Manager Retry Count parameter page A 60 Setting the Link Idle Timer By default the router determines that a synchronous interface is idle after 9 seconds An idle line is disabled You can specify the length of the timer to a value through 1 and 9999 seconds before a line is determined to be idle with the Link Idle Timer parameter Site Manager Link Idle Timer parameter page A 60 Enabling or Disabling Extended Control By default the control fields of all S and I frames are one octet in lengt
213. ransmitted frames and performs a 16 bit CRC on received frames With 32 bit CRC the router appends a 32 bit CRC to transmitted frames and performs a 32 bit CRC on received frames Set the CRC size 1 3 6 1 4 1 18 3 4 9 6 1 20 MTU Size bytes Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines 1600 bytes 3 to 4608 bytes Specifies the transmit receive buffer size Maximum Transmission Unit to configure the largest frame that the router can transmit or receive across this MCE port The router discards frames larger than this value Enter a value in the range 3 to 4608 bytes 1 3 6 1 4 1 18 3 4 9 6 1 55 114078 Rev A A 41 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Remote Loopback Detection Configured MCE1 or MCT1 Connector gt MCEI TI Logical Lines Disable Enable Disable Enables or disables detection of the driver s own BofL packets providing you set the Breath of Life BofL Enable Disable parameter to Enable If you select Enable and put the line into loopback mode the downstream driver will bring down the interface when it detects its own BofL packets Select Enable or Disable 1 3 6 1 4 1 18 3 4 9 6 1 56 BERT Mode Configured QMCTI Connector gt MCT1 Logical Lines
214. raphically represents the timeslots 31 for MCEI 24 for MCT 1 114078 Rev A 6 27 Configuring Line Services oct siots MCEI 1Tmesots D Timeslot Logical Line Timeslot Logical Line 1 Unused 3 7 17 msa F Umsed m Umsed Fm Unused 7 Unused rF Unused r used rF umsed F Unused F Unused F Unused F umsed 7 j unsed rF Unused F Ums F Unused Unused rF Unused unsed F Unused L 7 L JT N Ap ERE ER 1 1 2 3 4 5 6 pe Fi 8 zx 1 e o L Unused Unused Unused l Unused Unused l Unused Unused Unused Unused D Channel 1 7 1 1 LITE L Des Figure 6 12 MCE1 Timeslots Window ISDN PRI Configurations 3 Click on a timeslot to assign 4 Select B Channel 5 RepeatSteps 3 and 4 for each timeslot that you want to assign or click on Select All to assign all timeslots to the B Channel 6 Click on OK The MCEI PRI Logical Lines window reappears 6 28 114078 Rev A Configuring MCE1 and MCT1 Interfaces 7 Select the B Channel in the scroll box 8 Edit the MTU Size byte parameter for the B Channel The router uses the Maximum Transmission Unit MTU to configure the largest frame that the logical line can transmit or receive The PRI MTU is 1600 bytes by default You can change it to any size from 3 through 4608 bytes Site Manager MTU Size bytes parameter page A 41
215. rces for the transmit clock e Internal Indicates that the router sets the clock e Slave Indicates that the incoming data stream sets the clock e Manual Indicates that jumpers on the E1 link module set the clock By default the E1 interface uses manual clock mode determined by hardware configuration jumpers Refer to nstalling and Maintaining BN Routers or Installing and Maintaining ASN Routers and BNX Platforms for information on configuring the E1 module s hardware jumpers You can set the Clock Mode on this interface Site Manager Clock Mode parameter page A 27 Assigning Channel Functions Unless you change the default channel function each E1 channel on an interface is idle by default You can assign these functions e Data Assigns the channel to data pass through E1 connector to E1 connector Voice Assigns the channel to voice pass through E1 connector to E1 connector e Circuit l Assigns the channel to the first E1 connector e Circuit 2 Assigns the channel to the second E1 connector e Idle Makes the channel idle 114078 Rev A Configuring Line Services Circuit Assignment You cannot allocate an E1 channel to more than one E1 circuit For example if you allocate Channels 17 through 25 to Circuit 1 on the first E1 connector you must make these channels idle or allocate them to Circuit 2 on the second E1 connector Data and Voice Pass Through To enable data a
216. rdware initialization Some routing protocol software uses this parameter value for route selection You can set the external clock speed to a rate from 307200 through 52638515 bytes per second Site Manager External Clock Speed parameter page A 31 Select a value equal or close to the data transmission rate across the HSSI By default the HSSI clock rate is 46359642 44 736 MB s Setting the CRC Size CRC size specifies an error detection scheme You can choose either 16 bit standard ITU T or 32 bit extended to detect errors in the packet The remote end of the HSSI connection must be configured for the same CRC size You can set the CRC Size for this HSSI interface Site Manager CRC Size parameter page A 31 114078 Rev A 4 15 Configuring Line Services Editing T1 Lines This section describes how to edit the line parameters for a T1 interface in the following sections Enabling or Disabling a T1 Line Setting the T1 Frame Type Enabling or Disabling Bipolar with 8 Zero Substitution Specifying the Physical Line Length Setting the Internal Clock Mode Enabling or Disabling a T1 Line The router enables T1 line services when you add the interface You can enable or disable this interface without moving the physical cabling Site Manager Enable parameter page A 71 Setting the T1 Frame Type T1 uses two types of frame formats D4 Extended superframe ESF The frame for
217. rfaces Enabling or Disabling Hardware Filtering With hardware filtering enabled the interface drops local frames instead of copying them into system memory to be processed Local frames contain both destination and source MAC addresses that the router has learned on the interface Bridge software teaches the hardware filter which MAC addresses are local to an interface Enabling hardware filtering improves bridging software performance because router resources are not used to receive and reject local frames Hardware filtering is disabled by default on an Ethernet interface You can enable or disable hardware filtering Site Manager Hardware Filter parameter page A 3 Setting the 100 Mb s Interface Line Speed By default the line speed for a 100 Mb s Ethernet line is half duplex over either twisted pair or fiber cabling You can set the 100 Mb s Ethernet line speed and duplex setting to e Automatic Line Negotiation AUTO NEGOTIATION e 100Base TX e 100Base FX e 100Base FD Full Duplex e 100Base FD with Congestion Control Note that using a specific line speed configuration disables the automatic line negotiation feature Automatic Line Negotiation You can configure the router to automatically negotiate with remote nodes to determine the correct line speed configuration to use on the interface To enable automatic line negotiation set the Interface Line Speed parameter to AUTO NEGOTIATION then go to the next
218. rks with the TCP KeepAlive parameter To prevent a TCP connection loss set this parameter to a value that allows enough time for multiple TCP keepalive messages and ACKs from the remote TCP host Refer to the TCP KeepAlive parameter for information If the port is listening TCP KeepAlive for an incoming connection you can specify a negative value for this parameter to mark the connection as inactive and defer resetting the connection until a connection request is received Enter a value in the range 65536 to 65535 or accept the default value 300 1 3 6 1 4 1 18 3 4 3 1 36 Cfg TxQ Length COM Connector gt Edit Line gt Edit Asynchronous Parameters None 1 to 255 bytes Specifies the maximum transmit queue length in bytes This parameter reduces the size of the driver transmit queue if the transmit queue is larger than the value of this parameter Enter a value in the range 1 to 255 1 3 6 1 4 1 18 3 4 3 1 37 A 18 114078 Rev A Site Manager Line Services Parameters Parameter Path Default Options Function Instructions MIB Object ID Cfg RxQ Length COM Connector gt Edit Line gt Edit Asynchronous Parameters None 1 to 255 bytes Specifies the maximum receive queue length in bytes This parameter reduces the size of the driver receive queue if the receive queue is larger than the value of this parameter Enter a value in the range 1 to 255 1 3 6 1 4 1 18 3 4 3 1 38 ATM ARE Line Parameters Param
219. ronous line services when you add the interface You can disable and reenable the interface without moving physical cabling Site Manager Enable parameter page A 55 Enabling or Disabling Breath of Life Messages The BofL parameter enables or disables the transmission of proprietary Breath of Life messages over a point to point connection between the local router and a remote peer The exchange of BofL messages provides a level of confidence in the point to point connection With BofL enabled the router sends periodic keepalive messages to the remote peer If you enable BofL locally the remote peer must also be configured to enable BofL 114078 Rev A 5 13 Configuring Line Services Setting the Setting the We recommend that you enable BofL for point to point connections between Bay Networks peers However if such a connection is accomplished through a wide area transport service such as Frame Relay X 25 or SMDS you must disable BofL You can disable and reenable BofL messages on the interface Site Manager BofL parameter page A 55 BofL Timeout The BofL Timeout parameter specifies the time between transmissions of Breath of Life messages from this synchronous interface This parameter is valid only if you set BofL to Enable By default the BofL timeout is set to 5 seconds Timeout will occur if five periods elapse without both a successful frame transmission and a successful receptio
220. rs to 0 Insert 1 Error Inserts a single non repeating error into the bit stream Insert 1 Error 1K Inserts a deliberate error into every thousandth position in the bit stream Insert 1 Error 1M Inserts a deliberate error into every millionth position in the bit stream Disable Insert Error Stops the insertion of deliberate errors into the bit stream 4 Repeat Steps 2 and 3 for each test you want to run 5 Click on Done The MCEI or MCTI Port Parameters window appears 114078 Rev A C 7 Configuring Line Services All changes you apply to the port in the MCEI Port Actions window are effective only while the window is active When you exit the MCEI Port Actions window all port settings revert to the original port settings Testing Individual Logical Lines QMCT1 Only With QMCT1 modules you can test one individual line associated with a port When you are working with a QMCT1 module and you click on Line Tests in the MCTI Port Parameters window the QMCT1 Port Actions window appears BERT Mode Enable DISABLE m Line Coding BERT Send Alarm DISABLE Line Type ESF BERT Test Pattern oS m Signal Level ood m Send Commands Reset BERT Counters Loop Up FDL Line Loop CI Insert 1 Error Loop Down FDL Line Loop IA Insert 1 Error ik Clear FDL Stats FDL Line Loop IB Insert 1 Error 1M_ FDL Payload Loop FDL Disable Line Loop Disable Insert Error FDL Disable Payload
221. s 1 3 6 1 4 1 18 3 5 16 2 1 3 1 4 114078 Rev A A 75 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Traffic Queuing Algorithm XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources None None Priority Specifies the queuing algorithm for all reserved traffic Select None to use best effort scheduling Use best effort scheduling if you want to use the resource reservation protocol ST2 to control admission of flows to the network but do not want to explicitly schedule each flow s packets 1 3 6 1 4 1 18 3 5 16 2 1 3 1 5 Policing Algorithm XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources None None Leaky Bucket Specifies whether or not to use the Leaky Bucket policing algorithm for reserved traffic With Leaky Bucket policing LRM makes sure that all ST2 packets using reserved bandwidth follow the flowspec that appears in the ST2 connect request LRM discards any packets that do not adhere to the flowspec Note that such policing requires additional processing by the router Select None to bypass policing if an upstream router is policing traffic or if the applications generating the reserved traffic consistently adhere to the flowspec
222. s Figure 7 6 displaying the circuit number in its title Edit MultiLine Options 542 Cancel OK Values Help Data Path Chooser EDDRESS BASED Figure 7 6 Edit Multiline Options Window 5 Edit the Data Path Chooser parameter to select the data path See Multiline Traffic Distribution earlier in this chapter for information Site Manager Data Path Chooser parameter page A 74 114078 Rev A 7 11 Configuring Line Services Grouping Logical Lines into a Multiline Circuit This section describes how to group multiple unused MCE1 or MCT1 logical lines into one multiline circuit An unused logical line is one without a defined circuit You can group as many as 31 MCEI logical lines and 24 MCT1 logical lines into one multiline circuit All logical lines in a multiline group have the same circuit name See Chapter 7 for detailed information about multiline services Before you can group the lines you must create the unused logical lines To create unused lines 1 Start at the MCE1 or MCTI Logical Lines window refer to Chapter 6 2 Click on Add The Add Circuit window appears 3 Click on Cancel Clicking on OK adds a circuit for this line Clicking on Cancel creates an unused logical line The unused logical line will be the next available logical line represented by a number from 1 to 31 The MCEI Logical Lines window reappears 4 Repeat Steps 2 and 3 for each unused logical l
223. s A B and C as DCE address 01 and routers X Y and Z as DTE address 03 If router A transmits a frame across the virtual point to point circuit to X X the intended recipient Y and Z all monitor the satellite broadcast Because X Y and Z all perceive a properly addressed frame all three accept delivery and attempt to process the frame contents with unpredictable results 114078 Rev A 5 19 Configuring Line Services To avoid such confusion assign unique addresses to each end of a point to point circuit using the Local Address and Remote Address parameters Be sure to reverse the local and remote addresses when you configure the other end of the point to point circuit Q O ls I ua S rl D Val fY 7 N Best Circuits pem i IN Ld LI p E LS0016A Figure 5 1 Satellite Broadcast Sample Topology You can set the Local Address for the interface Site Manager Local Address parameter page A 62 You can set the Remote Address for the interface Site Manager Remote Address parameter page A 63 5 20 114078 Rev A Customizing Synchronous and Asynchronous Interfaces Viewing the Configured WAN Protocol You can view which WAN protocol is enabled on this synchronous circuit Do not change the current value Caution Changing the WAN protocol does not reconfigure the interface and
224. s the application that the logical lines of this port provide Select NONPRI to indicate that all the lines permanent circuit number and are for leased lines Frame Relay or permanent connections for other non ISDN PRI applications Select PRI to indicate that the lines are for switched circuits using ISDN You must configure NONPRI applications for MCE1 I interfaces 1 3 6 1 4 1 18 3 4 9 1 16 114078 Rev A A 43 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Primary Clock MCEI CLOCK Connector gt Edit Slot x DS1 E1 Clock Parameters Port 1 Ext Loop Internal Port 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the primary source of the timing signals Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Dual MCEI only Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 1 1 4 Secondary Clock MCEI CLOCK Connector gt Edit Slot x DS1 E1 Clock Parameters Internal Internal Port 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the secondary source of the timing signals The router uses the secondary clock
225. sable BERT mode on individual logical lines Setting the BERT Alarm Type You can specify the type of alarm signal to be generated while in BERT mode or disable the generation of alarm messages altogether Select A S alarm indication signal to transmit Blue alarms all 1s Select Yellow to transmit Yellow alarms all Os Setting the BERT Test Pattern When a port is in BERT mode it can generate patterns such as all 1s all Os or a quasi random signal sequence QRSS pattern Valid test pattern options are e Zero e Ones e QRSS e 2el5 e 2e15 Inverted e 2e20 2e23 e 2e23 Inverted Specify the bit pattern to be transmitted during BERT diagnostics Setting the Line Coding Method How you set line coding depends on whether you are testing an MCE1 or MCT1 line C4 114078 Rev A Testing MCE1 and MCT1 Interfaces MCE1 Lines By default the MCEI interface uses high density bipolar coding HDB3 line coding testing You can select T34AMI line coding method instead AMI line coding is bipolar a binary 0 is transmitted as zero volts and a binary 1 is transmitted as either a positive or negative pulse opposite in polarity to the previous pulse When configured for AMI line coding the MCEI link module remains synchronized upon receiving up to 45 consecutive Os MCT1 Lines By default the MCT1 interfaces uses B8ZS Bipolar with 8 Zero substitution line coding You can select AMI line coding instead B8
226. scription Connectors 5944 Single Port Multi Channe eC am CVR BO xtcvei 5295 Single Port High Speed S HSSI1 5250 Dual Port Fi t si ECL 1 Fi 2 System Resource Module S Figure 1 1 Configuration Manager Window 2 Select Circuits gt Edit Circuits The Circuit List window appears 1 2 114078 Rev A Getting Started S ___Cireait Liss Configuration Mode local SNMP Agent LOCAL FILE Circuits E42 H31 MCT1 51 1 Delete Figure 1 2 Circuit List Window 3 Select the circuit for which you want to edit line service parameters Table 1 1 lists the Configuration Manager abbreviation for each circuit type Table 1 1 Site Manager Abbreviations for Circuit Types Letter Designator Circuit Type E Ethernet E1 E1 F FDDI H HSSI MCE1 MCE1 MCT1 MCT1 O Token Ring S Synchronous T1 T1 4 Click on Edit The Circuit Definition window appears Figure 1 3 114078 Rev A 1 3 Configuring Line Services Configuration M SNMP Ag Protocols Slot Lines XCVR4 XCVR3 Pin XCVR1 CONSOLE Figure 1 3 Circuit Definition Window 5 Select Lines Edit Lines The Edit Lines window appears Figure 1 4 This window lists the existing lines by slot number and connector name 1 4 114078 Rev A Slot 4 XCVR1 jEdit Figure 1 4 Edit Lines Window 6 Select the line you want to edit and click on Edit
227. set BofL Enable to Enable Accept the default BofL timeout of 5 seconds or specify a new value up to 60 seconds 1 3 6 1 4 1 18 3 4 1 1 8 A 2 114078 Rev A Site Manager Line Services Parameters Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Hardware Filter XCVR Connector 10Base T only gt Edit Line gt Edit CSMA CD Parameters Disable the default changes to Enable when you add a circuit and reply OK to the prompt Do you want to enable Hardware Filters on this circuit Enable Disable Enables filtering hardware in the link or net module to drop local frames at the interface instead of copying them into system memory Enabling hardware filters improves bridging software performance because router resources are not used to receive and reject local frames Set to Enable only if you enabled the bridge software and the link or net module has hardware filters 1 3 6 1 4 1 18 3 4 1 1 29 Interface Line Speed XCVR Connector 100Base T only gt Edit Line gt Edit CSMA CD Parameters 100BASE TX 100BASE FX AUTO NEGOTIATION 100BASE TX 100BASE FX 100BASE FD Full Duplex 1OOBASE FD w Cong Control Specifies the configured line speed and duplex setting for the selected interface or enables automatic line negotiation To enable automatic line negotiation select AUTO NEGOTIATION Note
228. smits an echo response frame back to the originator of the echo request A Bay Networks station issues a response to the sender of an echo request frame Request Denied Frames deny requests from the network If the SMT agent receives a frame with an unsupported SMT version or an unknown frame type it sends a Request Denied frame A Bay Networks station issues an RDF Response frame Status Report Frames allow the Status Report protocol to report node conditions and events A condition is when a node enters a specific state for example duplicate address detected An event is an immediate occurrence for example the generation of a trace A Bay Networks station issues an SRF announcement frame Parameter Management Frames allow the Parameter Management protocol to manage an FDDI node A management station performs operations on the MIB attributes of a node by exchanging frames between the management station and the FDDI node To obtain an attribute the management station initiates a PMF Get Request frame The FDDI node to which the PMF Get Request frame was sent responds by initiating a PMF Get Response frame A Bay Networks station issues a response to the sender of a PMF Get Request frame 2 12 114078 Rev A About Line Protocols FDDI Hardware Bay Networks provides FDDI interfaces for multimode or single mode 100 Mb s FDDI LANs including hybrid FDDI link modules for both single mode and multimode fiber interfaces All FDDI i
229. specify using the BofL Timeout parameter if the link becomes unavailable When you set this parameter to Disable the router disables the LLC interface immediately after the link becomes unavailable 3 8 114078 Rev A Customizing LAN Interfaces By default BofL messages are enabled when you add the interface You can disable and reenable BofL messages on an interface Site Manager BofL Enable parameter page A 5 Setting the BofL Interval The BofL interval is how long the router waits before disabling the LLC interface when the link becomes unavailable and BofL is enabled By default the BofL interval is 5 seconds You can change the interval of BofL messages on an interface to a value from through 60 seconds Site Manager BofL Timeout parameter page A 5 Enabling or Disabling Hardware Filtering With hardware filtering enabled the interface drops local frames instead of copying them into system memory to be processed by the bridge software Local frames contain both destination and source MAC addresses that the router has learned on the interface Bridge software teaches the hardware filter which MAC addresses are local to an interface Enabling hardware filtering improves bridging software performance because router resources are not used to receive and reject local frames Hardware filtering is disabled by default on FDDI interfaces You can enable or disable hardware filtering on an interface
230. ss 5 20 KG84A Network Configuration mesinna seiman aaa 5 28 msafiep esse CN m S 0 0 TOS 6 2 MCE Port Parameters WiIODW iei rete one etr eer nett oreet 6 5 METI Port Parameters VDODIN Lu dan assdmdak dtu bees cea Era en na Ed tc im buda 6 8 Logical Lines Window before Defining a Circuit MCT1 example 6 14 Add Circuit Window MCE1 example sseeeeee 6 15 Default Circuit Name for Link Modules eeeeeeeee 6 16 xvii Figure 6 7 Default Circuit Name for ASN Net Modules eee 6 16 Figure 6 8 Logical Lines Window with One Circuit Defined MCE1 example 6 17 Figure 6 9 Timeslots Window MCT1 Example sssseeeeeseenen 6 25 Figure 6 10 Assigning a Timeslot MCE1 Example sseesseeeseee 6 26 Figure 6 11 PRI Logical Lines Window MCE1 Example sss 6 27 Figure 6 12 MCE1 Timeslots Window ISDN PRI Configurations 6 28 Figure 7 1 Multiline Circuit Composed of Three Synchronous Lines 3 Figure 7 Muline COROBIE OB csset isa eeti tance e ss uiid 7 4 Fiume 3 Add Grecul WInNdow aesonrevodecpderiie iq vi a HR ED ER b E ri ER iUe 7 8 Figure 7 4 Circuit Definition WindOw sess 7 9 Figure 7 5 Change Lines Ment OPIO sissies 7 10 Figure 7 6 Edit Multiline Options WindOWw ener nn nnt nnne 7 11 Fi
231. ss the HSSI interface You can specify a MTU of 3 to 4608 bytes on this interface Site Manager MTU parameter page A 30 Viewing the Configured WAN Protocol You can view which WAN protocol is enabled on this HSSI circuit Standard PassThru PPP SMDS Frame Relay Accept this setting changing it does not reconfigure the interface Site Manager WAN Protocol parameter page A 30 Setting the Transmission Interface You can select the appropriate MIB for the local management interface LMI to use providing you enable LMI and configure SMDS or Frame Relay across the HSSI interface Select one of the following MIBs depending on the carrier services the attached DCE device provides DS1 at 1 54 MB s specified by RFC 1233 DS3 at 44 736 MB s specified by RFC 1232 4 14 114078 Rev A Customizing WAN Interfaces The HSSI driver enables the DS1 MIB by default but provides no support for either the DS1 or DS3 MIB Rather the external DCE for example a DL3200 SMDS CSU DSU from Digital Link may provide MIB support Site Manager Transmission Interface parameter page A 30 Setting the External Clock Speed The HSSI specification requires that the DCE provide a transmit clock that times data transfer across the DTE DCE interface The External Clock Speedparameters specifies the bandwidth that the HSSI channel provides The External Clock Speed value does not actually affect ha
232. stem responds to a fax from the caller or to a third party within minutes of being accessed To use InfoFACTS in the United States or Canada call toll free 1 800 786 3228 Outside North America toll calls can be made to 1 408 764 1002 In Europe toll free numbers are also available for contacting both InfoFACTS and CompuServe Please check our Web page for the listing in your country How to Get Help Use the following numbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 33 92 966 998 81 3 5402 0173 114078 Rev A XXix Chapter 1 Getting Started This chapter describes how to access the physical and data link layer line services for the configured circuits on a Bay Networks router Note In the OSI internetworking model the physical layer manages the transmission of bits across the physical media cable or modem interface a physical layer protocol defines the electrical and mechanical interface The data link layer defines the procedures for transferring data accurately and reliably across the physical layer This guide assumes that someone has already added the network in
233. stion control when negotiated automatically You can use Site Manager to set the advertised line speed to e 100Base TX half duplex only e 100Base TX full duplex only e 100Base TX both half and full duplex e No advertising To maximize throughput operate at half duplex the default setting Configuring one of the full duplex settings will not increase throughput and may in some cases decrease throughput Use the full duplex setting to allow operation at greater distances over fiber optic cable For example to connect to a 28115 over a 2 km fiber link you would use the full duplex with flow control setting and connect a copper to fiber adapter to the router interface RJ45 port Site Manager Line Advertising Capabilities parameter page A 4 114078 Rev A 3 5 Configuring Line Services Viewing Line Negotiation Status To view the current line negotiation status 1 Start at the Auto Negotiation Configuration prompt refer to Figure 3 1 2 Click on View Auto Negotiation Status Note Site Manager can report line negotiation status only in dynamic mode The Auto Negotiation State Information window appears Figure 3 3 This window provides details about the current line configuration Table 3 1 provides information about the status display Ruto Negotiation State Information Auto Neg State Auto Neg Process Completed Agreed Speed 100Base TX Remote Capability 100Base TX Local Capa
234. synchronous interface If you enable BofL locally the remote peer must also be configured to enable BofL We recommend that you enable BofL for point to point connections between Bay Networks peers However if such a connection is accomplished through a wide area transport service such as Frame Relay X 25 or SMDS you must disable BofL 1 3 6 1 4 1 18 3 4 5 1 7 114078 Rev A A 55 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID BofL Timeout COM Connector gt Edit Line gt Edit Sync Parameters 5 seconds 1 to 60 seconds Specifies the time between transmissions of BofL messages from this synchronous interface Timeout will occur if five periods elapse without both a successful frame transmission and a successful reception When timeout occurs the router disables and re enables the synchronous line For example if you set this parameter to 5 seconds the interface must successfully transmit and receive a frame within 25 seconds Timeout occurs in 25 seconds This parameter is valid only if you set BofL to Enable Either accept the default 5 seconds or specify a new value 1 3 6 1 4 1 18 3 4 5 1 8 MTU COM Connector gt Edit Line gt Edit Sync Parameters 1600 bytes 3 to 4608 bytes Specifies the largest frame Maximum Transmission Unit that the router can transmit
235. t alternating positive and negative pulses on the digital line signify the number one and the absence of a pulse signifies zero Figure 2 10 A negative pulse must always follow a positive pulse and vice versa 2 20 114078 Rev A About Line Protocols Violation Line Voltage Substituted Byte Figure 2 10 Bipolar Format A long string of zeros on a T1 or E1 line would cause the line to lose synchronization due to lack of pulses Bay Networks offers Bipolar with 8 Zero Substitution B8ZS for T1 synchronization B8ZS substitutes a bipolar violation into a string of eight consecutive zeros at the transmitting end and removes the bipolar violation at the receiving end In a bipolar violation the first pulse is in the same direction positive or negative as the previous data pulse Figure 2 11 114078 Rev A 2 21 Chapter 3 Customizing LAN Interfaces This chapter describes how to edit physical layer details for LAN interfaces in the following sections Editing CSMA CD Lines Editing FDDI Lines Editing Token Ring Lines Editing CSMA CD Lines This section describes the CSMA CD line parameters that you can edit Enabling or Disabling an Ethernet Interface Enabling or Disabling Breath of Life Messages Setting the BofL Interval Enabling or Disabling Hardware Filtering Setting the 100 Mb s Interface Line Speed Configuring the CSMA CD Automatic Negotiation Protocol Note For information on Et
236. t the router from sending XID frames You can enable or disable transmission of XID frames on this interface Site Manager Enable Rx Tx of XID Frames parameter page A 36 Enabling or Disabling Receiver Ready RR Frames The Idle RR Frames parameter enables or disables the transmission and reception of Receiver Ready RR frames during periods when there are no information frame exchanges By default the router does not transmit RR frames on the LAPB interface When this parameter is set to On an RR is transmitted when no traffic is present on the physical media You can enable or disable transmission of RR frames on this interface Site Manager Idle RR Frames parameter page A 37 Selecting the Local Command or Response Address The Command Response Address parameter specifies the local command or response address which is the DTE or DCE value Select DTE for the DTE address or DCE for the DCE address The address is set to DTE by default You can set the local address on this interface Site Manager Command Response Address parameter page A 36 114078 Rev A Configuring Line Services Viewing the WAN Protocol You can view whether the Standard Wellfleet PPP or X 25 protocol is enabled on this interface Do not change the current value Caution Changing the WAN protocol does not reconfigure the interface and could disable it Site Manager WAN Protocol para
237. t 1 Ext Loop Port 2 Ext Loop Auxiliary Ext Identifies the secondary source of the timing signals The router uses the secondary clock only when the primary clock becomes unavailable Select Internal to use the clock chip on the link or net module Select Port 1 Ext Loop to use the signal coming from Port 1 Select Port 2 Ext Loop to use the signal coming from Port 2 Select Port 3 Ext Loop to use the signal coming in from Port 3 Select Port 4 Ext Loop to use the signal coming in from Port 4 Select Auxiliary Ext to use an external source via BNC connectors 1 3 6 1 4 1 18 3 4 9 18 1 4 A 54 114078 Rev A Site Manager Line Services Parameters Synchronous Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access the synchronous line parameters from the Configuration Manager Enable COM Connector gt Edit Line gt Edit Sync Parameters Enable Enable Disable Enables or disables this synchronous line Set this parameter to either Enable or Disable 1 3 6 1 4 1 18 3 4 5 1 2 BofL COM Connector gt Edit Line gt Edit Sync Parameters Enable Enable Disable Enables the transmission of proprietary BofL messages over a point to point connection between the local router and a remote peer Set to Enable or Disable depending on whether you want to transmit BofL messages over this
238. t only 100BASE TX 100BASE FX Line Advertising Capabilities 100 Mb s Ethernet only 11 B 4 114078 Rev A Default Line Parameter Settings FDDI Line Parameters Table B 7 FDDI Line Parameters Parameter Default Enable Enable BOFL Enable Enable BOFL Timeout 3s Hardware Filter Disable this default is changed to Enable if you add a circuit and reply OK to the prompt Do you want to enable Hardware Filters on this circuit Table B 8 FDDI SMT Attribute Parameters Parameter Default Connection Policy Oxff65 T Notify Timeout s 22s Trace Max Expiration ms 7000 ms 7 s Status Report Protocol Enable Duplicate Address Protocol Enable User Data None Table B 9 FDDI MAC Attribute Parameters Parameter Default LLC Data Enable Enable 114078 Rev A B 5 Configuring Line Services Table B 10 FDDI Path Attribute Parameters Parameter Default Tvx Lower Bound ms 2 5 ms T Max Lower Bound ms 165 ms Requested TTRT ms 165 ms Table B 11 FDDI Port Attribute Parameters Parameter Default LER Outoff 7 LER Alarm 8 HSSI Line Parameters Table B 12 HSSI Line Parameters Parameter Default Enable Enable BOFL Enable BOFL Frequency 1s MTU 4608 WAN Protocol None Transmission Interface DS3 External Clock Speed 46359642 44 736 MB s CRC
239. t parameter page A 6 Specifying the Propagation Expiration Tlme By default the maximum propagation time for a trace on an FDDI topology is 7 seconds You can set the propagation expiration time to a value from 6001 through 256000 ms Site Manager Trace Max Expiration ms parameter page A 8 114078 Rev A 3 13 Configuring Line Services Enabling or Disabling Status Report Frames By default the FDDI line generates status report frames SRFs for its implemented events for example high bit errors topology changes trace status events MAC frame error condition port LER condition and MAC duplicate address condition You can disable the line from or reenable the line to send status report frames We recommend enabling SRFs to ensure that your FDDI network is ANSI compliant Site Manager Status Report Protocol parameter page A 8 Enabling or Disabling Duplicate Addressing By default the router implements an optional ANSI duplicate address test involving periodic transmission of Network Service Address Network Interface Function NSA NIF frames to the source You can disable or reenable duplicate addressing on an interface Site Manager Duplicate Address Protocol parameter page A 8 Entering User Data You can enter up to 32 alphanumeric characters of site specific information to be attached to SIF frames Site Manager User Data parameter page A 7
240. t use the same algorithm If any one line on a circuit specifies First Fit all lines use the first fit algorithm Site Manager Multiline Select Algorithm parameter page A 79 Setting the Multiline Threshold Bandwidth When using the First Fit Multiline Select Algorithm see the Specifying the Multiline Select Algorithm section you can configure a threshold of 0 through 214748364 bits s for the first available line By default the threshold is set to 0 LRM uses the simple first fit algorithm If you select a value greater than 0 LRM still uses the first available line with reservable bandwidth to service requests but moves to the next available line after reaching the configured threshold When all lines are at their threshold LRM returns to using the simple first fit algorithm Set this parameter only if you have configured LRM on a multiline circuit and have set the Multiline Select Algorithm parameter to First Fit Site Manager Multiline Threshold Bandwidth parameter page A 79 8 10 114078 Rev A Managing Line Resources Setting the Reservation Latency By default the maximum lateency for a reserved flow packet is 50 milliseconds limiting the amount of unreserved data that the link scheduler can transmit When the data transmit ring reaches a size where the time to transmit the data is greater than the value of this parameter no more unreserved data will be queued You can set the res
241. terfaces to the router configuration file by configuring a circuit on the hardware connectors and enabling bridging routing services See Configuring Routers for information about these tasks What s the Default With the exception of multichannel circuits MCEI and MCT1 the router software automatically sets default values for the line service parameters when you add a network interface See Appendix B for a list of the default line service parameter values for each circuit type Line defaults are suitable for many networks however you can use the Configuration Manager to customize these settings based on your network composition and requirements Chapters 3 through 6 provide information about editing the protocol specific line parameters 114078 Rev A Configuring Line Services Accessing Line Services with Site Manager This section describes how to access the Site Manager windows that contain physical layer line services for the configured circuits on a Bay Networks router To access line parameters 1 Start at the Configuration Manager window Note For many circuit types you can bypass Steps 2 through 6 by clicking on the configured connector in the Configuration Manager window and then clicking on Edit Line in the popup window Configuration Manager Configuration Mode local SNMP Agent LOCA File Name tmp reens lines all cfg Model Backbone Link moae OLNI MIB Version 9 00 So Used INTE De
242. ternal to indicate that the router sets the clock Select Slave to indicate that the incoming data stream sets the clock Select Manual to indicate that the jumpers on the E1 link module set the clock Refer to Installing and Maintaining BN Routers or Installing and Maintaining ASN Routers and BNX Platforms for information on configuring hardware jumpers 1 3 6 1 4 1 18 3 4 11 1 8 114078 Rev A A 27 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Mini Dacs E1 Connector gt Edit Line gt Edit E1 Parameters Idle Idle Data Voice Circuit 1 Circuit 2 Assigns a specific function to each E1 channel Select Idle to make the channel idle Select Data to assign the channel to voice pass through E1 connector to E1 connector Select Circuit 1 to assign the channel to the first E1 connector Select Circuit 2 to assign the channel to the second E1 connector 1 3 6 1 4 1 18 3 4 11 1 9 Line Type E1 Connector Edit Line Edit E1 Parameters El EI EICRC4 Enables or disables a 4 byte CRC on received frames Select EICRCA if the E1 equipment expects a 4 byte CRC trailer at the end of each frame 1 3 6 1 4 1 18 3 4 11 1 18 HSSI Line Parameters Parameter Path Default Options Function Instructions MIB Object ID You access the HSSI Line Parameters from
243. tes gt ATM ALC Parameters Enable Enable Disable Enables or disables the ATM ARE line driver Select Enable or Disable 1 3 6 1 4 1 18 3 4 23 3 2 1 2 114078 Rev A A 23 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Interface MTU ATM Connector gt Line Attributes gt ATM ALC Parameters 4608 octets 1 to 9188 octets Specifies the largest packet size that the router can transmit on this interface Enter a value that is appropriate for the network 1 3 6 1 4 1 18 3 4 23 2 1 1 2 Data Path Enable ATM Connector gt Line Attributes gt ATM ALC Parameters Enable Enable Disable Specifies whether or not the router disables the interface between the driver and the higher level software the data path interface if you disconnect the cable from the ATM module If you select Enable when you disconnect the cable from the ATM the router disables the data path interface after the time you specify with the Data Path Notify Timeout parameter If you select Disable the router does not disable the data path interface when you disconnect the cable from the ATM module Select Enable or Disable If you select Enable be sure to enter an appropriate value for the Data Path Notify Timeout parameter
244. th Default Options Function Instructions MIB Object ID You access the Line Resource Manager LRM configuration parameters from the Configuration Manager Estimated Bandwidth XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 0 bits s 0 to 214748364 bits s Specifies the estimated usable bandwidth for this line Enter the estimated total bandwidth for this line in bits s To enable line resource management enter a value greater than zero For point to point lines you can usually enter the total line speed For an Ethernet line you must estimate a value because shared media lines may not have all of the bandwidth available You can base the estimate on line statistics the number of connected workstations or other site specific information 1 3 6 1 4 1 18 3 5 16 2 1 3 1 3 Reservable Bandwidth XCVR HSSI MCT1 or COM Connector configured for the ST2 protocol gt Edit Line Resources gt Edit Line Resources 0 bits s 0 to 214748364 bits s Specifies the reservable bandwidth for this line To enable ST2 reservable resources enter the portion of this line s bandwidth that you want to make available for ST2 requests for guaranteed service The value must be greater than 0 and less than the value of the Estimated Bandwidth parameter Do not make all available bandwidth reservable leave at least 15 percent for network management and routing protocol
245. th 1 Start at the Configuration Manager window 2 Click on the circuit connector Select any XCVR 10 Mb s or 100 Mb s Ethernet HSSI MCT1 or COM connector for a line that is configured for ST2 3 Unless you selected an MCT1 connector go to Step 6 The MCT1 Logical Lines window appears F EI Slot 3 MCT1 2 Logical Lines 1 MCT1 32 1 Done 2 MCT1 32 2 Add 3 MCT1 32 3 Delete Apply Port Details Circuit Timeslots Values Help Rate Adaption 56K LSB Interframe Time Fill Character FLAGS CRC Size 16 BIT CRC MTU Size bytes 1600 Remote Loopback Detection DISABLE Line Resources Edit Figure 8 1 MCT1 Logical Lines Window 4 Select the Line Resources box 114078 Rev A 8 3 Configuring Line Services 5 Click on Values 6 Click on Edit Line Resources in the Edit Connector window Figure 8 2 Edit Circuit Edit Line Edit Line Resources Done Figure 8 2 Edit Connector Window The following Site Manager prompt appears Figure 8 3 No Line Resources Record Exists for this Line Create Line Resources Figure 8 3 Creating the Line Resources Record 7 Click on OK The Edit Line Resources window appears Figure 8 4 8 4 114078 Rev A Managing Line Resources Reservable Bandwidth Traffic Queueing Algorithm Policing Algorithm Bandwidth Interval Secs Inflate Reservations Percentage Unreserved Policing Algorithm Unreserved Queue Length Mult
246. the Configuration Manager Enable HSSI Connector gt Edit Line gt Edit HSSI Parameters Enable Enable Disable Enables or disables this HSSI line Set this parameter to either Enable or Disable for this line 1 3 6 1 4 1 18 3 4 7 1 2 A 28 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters BofL HSSI Connector gt Edit Line gt Edit HSSI Parameters Enable Enable Disable Enables the transmission of proprietary Ethernet encapsulated Bof L messages over a point to point connection between the local router and a remote peer Set to Enable or Disable depending on whether you want to transmit BofL messages over this HSSI interface If you enable BofL locally you must also configure the remote peer to enable BofL We recommend that you enable BofL for point to point connections between Bay Networks peers If however such a connection occurs through a wide area transport service such as Frame Relay or SMDS you must disable BofL 1 3 6 1 4 1 18 3 4 7 1 7 BofL Frequency HSSI Connector gt Edit Line gt Edit HSSI Parameters 1 second 0 to 60 seconds Specifies the interval in seconds between BofL transmissions This parameter is valid only if BofL is set to Enable After sending a BofL message the router starts a timer that has a value
247. the DTE and the local DCE device e Frame X 25 data packets before transmitting them to the DCE The LAPB information field contains the X 25 packets Once an X 25 packet reaches the destination router the LAPB protocol strips away the LAPB frame and delivers the packet to the network layer for further processing For detailed information on X 25 refer to Configuring X 25 Services LAPB Implementation on Bay Networks Routers When you configure X 25 on a Bay Networks AN or ASN router or on an Octal Sync link module line Site Manager automatically configures LAPB The implementation of the LAPB protocol on the AN and ASN routers and on BN and LN routers with Octal Sync differs from that on other Bay Networks routers On the AN and ASN routers and BN and LN routers with Octal Sync LAPB is implemented in software in routers that use the QUICC 68360 driver On the other routers LAPB is implemented in the hardware using the MK5025 chip MCE1 and MCT1 Overview Multichannel E1 MCE1 and T1 MCT1 interfaces provide high density access to digital access and crossconnect systems DACS MCEI also provides a variety of international PTT and Telecommunications Administration services Multichannel interfaces enable data to be segmented into multiple DS 0 connections This allows you to maximizes remote link capacity by allowing individual DS 0 channels to be used separately or grouped You can form Fractional T1 channels by grouping MC
248. the T1 line parameters from the Configuration Manager Enable T1 Connector gt Edit Line gt Edit T1 Parameters Enable Enable Disable Enables or disables the T1 line Set to Disable if you want to disable the T1 line 1 3 6 1 4 1 18 3 4 10 1 2 Frame Type T1 Connector gt Edit Line gt Edit T1 Parameters ESF ESF D4 Selects either ESF extended superframe or D4 framing format D4 transmits superframes consisting of 12 individual frames ESF in contrast transmits superframes consisting of 24 individual D4 frames and provides enhanced signaling and synchronization Select ESF or D4 based on the frame format that the associated T1 equipment requires 1 3 6 1 4 1 18 3 4 10 1 7 B8ZS Support T1 Connector gt Edit Line gt Edit T1 Parameters Disable Disable Enable Enables or disables B8ZS bipolar with 8 zero substitution a mechanism that maintains T1 synchronization Select Enable or Disable depending on the ability of the associated T1 equipment to support B8ZS 1 3 6 1 4 1 18 3 4 10 1 9 114078 Rev A A 71 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Line Buildout T1 Connector gt Edit Line gt Edit T1 Parameters 1 foot 1 to 655 ft Conditions router signals to mitigate attenuation which depends on the physical length of the T1 line
249. the station type of the interface Site Manager Station Type parameter page A 32 Setting the Control Field The Control Field parameter specifies the desired window size or modulo of the sequence numbering the router uses to number frames e Modulo 8 e Modulo 128 By default the control field is set to Modulo 8 You can set the control field on the interface Site Manager Control Field parameter page A 33 Setting the Maximum N1 Frame Size The Max N1 Frame Size parameter specifies the frame size in bytes for a frame that the router or network transmits This number excludes flags and 0 bits inserted for transparency By default the Max N1 Frame Size is set to 1600 bytes 5 8 114078 Rev A Customizing Synchronous and Asynchronous Interfaces You can select a frame size from 3 through 4500 bytes to suit your network configuration Site Manager Max N1 Frame Size octets parameter page A 33 Setting the Window Size The Window Size parameter specifies the default transmit and receive window size for the interface This value is the maximum number of unacknowledged sequence frames that may be outstanding from the router or the network at any one time By default the window size is 7 frames You can select a window size from 1 through 127 frames to suit your network configuration Site Manager Window Size parameter page A 33 Setting the N2 Retry Count T
250. ths exist for a single circuit Consequently if one data path becomes disabled traffic can travel over another data path The example in the next section illustrates the benefits of using multiline services Multiline Example Suppose that your network uses Bay Networks routers to connect two sites one in New York City and one in Los Angeles Figure 7 1 A high volume of important data travels between the two sites via three synchronous lines Grouping the three synchronous lines into one multiline circuit would e Reduce congestion by distributing the volume of traffic more evenly among the three lines e Decrease the chance of data loss if a connection fails 7 2 114078 Rev A Configuring Multiline Services Router Router O DO O Three SYNC lines form L_ one multiline circuit L d with three data paths LS0020A Figure 7 1 Multiline Circuit Composed of Three Synchronous Lines Types of Multiline Circuits There are two types of multiline circuits e Circuits that include several physical lines e Circuits on one physical line with several data paths that have separate addresses In Figure 7 2 Multiline Circuit A groups three synchronous lines into one circuit Multiline Circuit B consists of just one physical synchronous line but has thre
251. ting software available for use by any third party Neither title nor ownership to Software passes to licensee Licensee shall not provide or otherwise make available any Software in whole or in part in any form to any third party Third parties do not include consultants subcontractors or agents of licensee who have licensee s permission to use the Software at licensee s facility and who have agreed in writing to use the Software only in accordance with the restrictions of this license Third party owners from whom Bay Networks has acquired license rights to software that is incorporated into Bay Networks products shall have the right to enforce the provisions of this license against licensee Licensee shall not remove or obscure any copyright patent trademark trade secret or similar intellectual property or restricted rights notice within or affixed to any Software and shall reproduce and affix such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license 114078 Rev A iii Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify Bay Networks i
252. tion Instructions MIB Object ID Connection Policy FDDI Connector gt Edit Line gt Edit FDDI Parameters Oxff65 0x0 to Oxffff Specifies the connection policies this line requests at the FDDI station The policy descriptor takes the form rejectX Y where X denotes the physical connection PC type of the local port and Y denotes the PC type of the neighbor port X and Y can have the following values A Indicates that the port is a dual attachment station or concentrator that attaches to the primary IN and the secondary OUT when attaching to the dual FDDI ring B Indicates that the port is a dual attachment station or concentrator that attaches to the secondary IN and the primary OUT when attaching to the dual FDDI ring S Indicates a port in a single attachment station or concentrator M Indicates a port in a concentrator that serves as a master to a connected station or concentrator Specify the status word value that represents the connection policies you want this line to reject Start with a value of zero for the status word all bits set to 0 For each connection policy you want the node to reject add to the status word value the number 2 raised to a power specified in Table 3 2 Chapter 3 This is equivalent to setting a bit to 1 for each policy that you want the node to reject 1 3 6 1 4 1 18 3 4 4 1 30 T_Notify Timeout FDDI Connector gt Edit Line gt Edit FDDI Parameters 22 seconds 2 to 30 secon
253. tion Frames SIF Response Echo Frames ECF Response Request Denied Frames RDF Response Status Report Frames SRF Announcement Parameter Management Frames PMF PMF Get Response frames only Response 114078 Rev A Configuring Line Services Neighbor Information Frames identify the upstream and downstream neighbors of each node After the nodes learn the addresses of their upstream neighbors you can use the addresses to create a logical map showing the order in which nodes appear in the token path A Bay Networks station issues a response to the sender of a NIF frame and generates NIF requests as part of the neighbor notification process Status Information Frames exchange information about each node including the status of each port on the node You can use SIFs to create a physical map showing the position of each station in the FDDI network There are two types of SIFs e SIF configuration frames which show the configuration information of a node e SIF operation frames which show the operational information of a node A Bay Networks station issues a response to the sender of a SIF request frame Echo Frames verify that nodes on an FDDI network can communicate with each other Echo frames are used to test connectivity only A node sends an echo request which is a directed packet to another FDDI node The receiver of the echo request copies the data that appears in the information field of the frame and tran
254. tion Manager to test single line and multiline MCE1 and MCTI circuits in the following sections e About the Tests e Setting Test Parameters e Running Port Tests e Testing Individual Logical Lines QMCT1 Only About the Tests While in dynamic mode you can use the Configuration Manager to trigger port actions to test the quality of MCE1 and MCTI lines Tests include e Transmitting specific codes to the remote end of the MCE1 or MCT1 connection Introducing deliberate error patterns into the transmitted BERT Bit Error Rate Test bit stream Note Except for the QMCT1 module all test actions are port specific For example a BERT reset action resets all port specific series of BERT counters When testing ports on a QMCTI module BERT statistics show the results of your test actions You can view BERT statistics using the Statistics Manager utility For information on the Statistics Manager see Managing Routers and BNX Platforms 114078 Rev A C 1 Configuring Line Services Setting Test Parameters Before you test a line you must set the test parameters Then start the tests as described in the Running Port Tests section To set the test parameters 1 In dynamic mode display the MCE1 or MCT1 Logical Lines window 2 Click on Port Details The Port Parameters window appears 3 Click on Line Tests Note The Line Tests option appears only in dynamic mode The MCE Port Actions Figure C 1
255. tted between adjacent frames Set this parameter to the appropriate number of flags 1 3 6 1 4 1 18 3 4 5 1 29 Local Address COM Connector gt Edit Line gt Edit Sync Parameters 7 1 to 255 Specifies the 1 byte HDLC address of this synchronous interface This interface will receive only frames whose HDLC address matches this address Specify 1 for DCE 3 for DTE or any other address between 1 and 255 If you configure X 25 on this line set this parameter to either 1 DCE or 3 DTE Use a unique HDLC address for the local and remote interfaces at either end of a point to point connection If you configure a device at one end with a local address of 1 DCE and remote address of 3 DTE you must configure the device at the other end with a local address of 3 DTE and remote address of 1 DCE 1 3 6 1 4 1 18 3 4 5 1 30 A 62 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Remote Address COM Connector gt Edit Line gt Edit Sync Parameters 7 1 to 255 Specifies the 1 byte HDLC address of the remote synchronous interface This is the HDLC address which will be used to address all frames transmitted by this interface Use a unique HDLC address for the local and remote interfaces at either end of a point to point connection If you configur
256. umber of seconds to wait before bringing up this line 1 3 6 1 4 1 18 3 4 5 1 80 Network Link Level COM Connector gt Edit Line gt Edit Sync Parameters NET2 NET2 GOSIP SYNC_TYPE_C03 Indicates the link level for this synchronous point to point connection The default is NET2 Change this parameter to GOSIP when this synchronous point to point connection is part of a GOSIP compliant network such as DOD Change this parameter to SYNC_TYPE_C03 when you are running X 25 on a synchronous board with the MK 5025 C03 chip Accept the default NET2 or select GOSIP or SYNC TYPE C03 1 3 6 1 4 1 18 3 4 5 1 81 Cable Type COM Connector Edit Line Edit Sync Parameters Null Null RS232 RS422 V35 X21 Specifies the cable interface to the network When the interface connects to a dial up device for switched services set to reflect the cable interface type that connects the dial unit For an SDLC interface set to RS232 1 3 6 1 4 1 18 3 4 5 1 83 A 68 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters Sync Line Coding COM Connector gt Edit Line gt Edit Sync Parameters NRZ NRZ NRZI NRZI Mark Specifies the line coding of the physical synchronous lin
257. unction Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Line Services Parameters WAN Protocol COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Standard Standard X 25 Specifies the WAN protocol you want on this interface Select the Standard Wellfleet Standard PPP or X 25 1 3 6 1 4 1 18 3 5 1 8 1 20 Network Link Type COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters NET2 GOSIP NET2 Sets the link type used with the X 25 network hardware Select NET2 or GOSIP 1 3 6 1 4 1 18 3 5 1 8 1 39 Idle RR Frames COM Connector for X 25 Interface gt Edit Line gt LAPB gt Edit LAPB Parameters Off On Off Enables or disables the transmission and reception of RR frames during periods when there are no information frame exchanges When this parameter is set to On an RR is transmitted when no traffic is present on the physical media Select On or Off 1 3 6 1 4 1 18 3 5 1 8 1 40 114078 Rev A A 37 Configuring Line Services MCE1 and MCT1 Logical Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access the MCE1 and MCT1 logical line parameters fro
258. ut Secs ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes 1200 seconds 60 to 3600 seconds If the router receives or transmits no cells on an SVC for this number of seconds it closes the SVC providing that you set the SVC Inactivity Timeout Enable parameter to Enable Enter an appropriate time and be sure to set the SVC Inactivity Timeout Enable parameter to Enable 1 3 6 1 4 1 18 3 4 23 3 2 1 14 Framing Mode ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes Depends on ATM link module SDH SONET CBIT M23 G751 G832 Specifies the transceiver mode for the physical interface Select a transceiver mode as follows SDH or SONET for OC 3 modules CBIT or M23 for DS3 modules G751 or G832 for E3 modules 1 3 6 1 4 1 18 3 4 23 3 2 1 17 114078 Rev A A 21 Configuring Line Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Clocking Signal Source ATM Connector gt Line Attributes gt ATM ARE Line Driver Attributes Internal Internal External Specifies whether the router uses its internal clock or an external clock for time signals on this interface Select Internal to use the router s clock select External to use an external clock 1 3 6 1 4 1 18 3 4 23 3 2 1 18 DS3 Line Build Out ATM Connector gt Line Attributes gt ATM ARE
259. ut of sequence and as a result you can experience poor performance or failures Be sure that random selection is appropriate for your application Frame Relay Considerations You can configure multiline services for both group access mode and direct access mode Frame Relay PVCs For more information on using multiline services with Frame Relay refer to Configuring Frame Relay Services PPP Multilink The Bay Networks implementation of PPP includes a multilink feature Multilink is similar to multiline multilink however provides the ability to e Group lines of different speeds e Preserve packet sequencing e Distribute traffic more evenly among the data paths e Monitor traffic volume Multilink is particularly beneficial when you configure circuits to access bandwidth on demand BOD For more information on the PPP multilink feature refer to Configuring PPP Services 7 6 114078 Rev A Configuring Multiline Services Bandwidth on Demand BOD You can configure Bay Networks routers to access BOD to reduce line congestion This feature enables the router to access secondary dial up lines when the primary leased or dial up line becomes congested The router can then transmit excess traffic over the secondary switched lines For more information on BOD refer to Configuring Dial Services Configuring Multiline The method you use to configure a multiline circuit depends on the types of lines you need to group e F
260. uter to initiate cryptographic resynchronization The modified cable also allows the router to detect and monitor the local KG84A device resynchronization whether the resynchronization is initiated locally or by a remote KG84A device The router detects the loss of synchronization between KG84A devices by monitoring the number of FCS errors and valid frames received If the router detects FCS errors and it does not receive a valid frame within a time you specify the router software requests resynchronization The router also requests resynchronization if it determines that the previous resynchronization request did not complete before the time you specified You can also force a resynchronization of the local KG84A device by pressing its RESYNC button The router can detect this type of remote resynchronization also and can request a new resynchronization if one does not complete in the configured time period Configure KG84A support on synchronous lines that connect to KG84A cryptographic devices using the following parameters in the Edit SYNC Parameters window e KG84A Cycle e KG84A Sync Loss Interval e KG84A Remote Resync Wait e KG84A Sync Pulse Note Be sure to also set the RTS Enable parameter to Enable 5 28 114078 Rev A Customizing Synchronous and Asynchronous Interfaces KG84A Cycle By default the timer cycle s length is 100 milliseconds This cycle value is used by the timers on the other KG84A devices
261. v A 6 7 Configuring Line Services Edit Slot 4 MCT1 1 Port Parameters Cancel OK Values Help Enable Disable TENABLE Line Type ESF Line Coding B8ZS Signal Level dB 0 0 DB Setup Alarm Threshold seconds 2 Clear Alarm Threshold seconds 2 FDL Configuration ANSI 403 Remote FDL HDLC Address Mode BY Accept Loopback Request ENABLE Loopback Configuration NO LOOPBACK Figure 6 3 MCT1 Port Parameters Window The MCT1 port parameters apply to each of the 24 DSO channels timeslots that an individual MCTI interface connector provides Enabling or Disabling the MCT1 Port The MCT1 interface is enabled by default when you add the circuit You can disable or reenable this MCTI interface without moving physical cabling Site Manager Enable Disable parameter page A 48 6 8 114078 Rev A Configuring MCE1 and MCT1 Interfaces Setting the MCT1 Line Type Select one of the following line types framing formats for your T1 equipment e ESF Transmits superframes each consisting of 24 individual SF D4 frames Provides enhanced signaling and synchronization e SE DA Transmits superframes each consiting of 12 individual frames e Unframed T1 Available only when the BERT Mode parameter is enabled See Enabling or Disabling BERT Mode QMCT1 only later in this chapter You can set the Line Type for this MCTI interface Site Manager Line Type parameter page A 49 For
262. v A Customizing WAN Interfaces Setting the Maximum Transmission Unit MTU By default the MTU on the ATM FRE 2 interface is 4608 octets You can set the largest packet size that the router can transmit on this interface to a value from 1 through 9188 octets Site Manager Interface MTU parameter page A 24 Enabling or Disabling Data Path Notify If the physical interface stops operating for example the cable becomes disconnected from the ATM FRE 2 module the router disables the interface between the driver and the higher level software the data path interface after a period of time you specify with the Data Path Notify Timeout parameter You can disable and reenable Data Path Notify for this interface Site Manager Data Path Enable parameter page A 24 If you select Disable the router does not disable the data path interface when the physical interface stops operating If you select Enable be sure to set an appropriate value for the Data Path Notify Timeout parameter Setting the Data Path Notify Timeout When the Data Path Notify parameter is enabled the router waits a default value of 3 seconds before disabling the interface You can set the timeout period to a value from 0 to 3600 seconds on this interface Site Manager Data Path Notify Timeout parameter page A 24 Enabling or Disabling the SVC Inactivity Timeout With the SVC Inactivity Timeout parameter enabled the router
263. value of the base 10 logarithm of the estimate Accept the default value of 8 or specify a new value 1 3 6 1 4 1 18 3 4 15 4 3 1 18 114078 Rev A Configuring Line Services Token Ring Line Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID You access the Token Ring Line Parameters for an Token Ring interface from the Configuration Manager Enable TOKEN Connector gt Edit Line gt Edit Token Ring Parameters Enable Enable Disable Enables or disables the Token Ring circuit Set to Disable if you want to disable the Token Ring circuit 1 3 6 1 4 1 18 3 4 2 1 2 MAC Address Override TOKEN Connector gt Edit Line gt Edit Token Ring Parameters None Any valid 48 bit MAC level address Assigns a user specified MAC address If you want the router to generate the MAC address for this Token Ring interface ignore this parameter If you want to specify a MAC address for example to avoid host number conflicts on a directly connected IPX or XNS network enter the 48 bit MAC address in MSB format that is enter Ox followed by 12 hexadecimal digits If you enter a MAC address with this parameter you must set the MAC Address Select parameter to CNFG 1 3 6 1 4 1 18 3 4 2 1 9 A 12 114078 Rev A Parameter Path Default Options Function Instructions MIB Object ID Paramet
264. y An FDDI station sets the corresponding policy for each of the connection types that it wants to reject The policy descriptor takes the form rejectX Y where X denotes the physical connection PC type of the local port and Y denotes the PC type of the neighbor port X and Y can take the following values e A Indicates that the port is a dual attachment station or concentrator that attaches to the primary IN and the secondary OUT when attaching to the dual FDDI ring e B Indicates that the port is a dual attachment station or concentrator that attaches to the secondary IN and the primary OUT when attaching to the dual FDDI ring e S Indicates a port in a single attachment station or concentrator e M Indicates a port in a concentrator that serves as a master to a connected station or concentrator 114078 Rev A Configuring Line Services To set the connection policies that you want this line to reject you specify a status word to a value from 0x0 through Oxffff Start with a value of zero for the status word all bits set to O For each connection policy that you want the node to reject add to the status word value the number 2 raised to a power specified in Table 3 2 This is equivalent to setting a bit to 1 for each policy that you want the node to reject Table 3 2 lists the powers and the bits for each policy range Table 3 2 SMT Connection Policy Values Policy Power Policy power Bit Num
265. y result Note ATM devices with different scrambling settings cannot communicate For example if you configure a router to enable scrambling and configure a hub to disable scrambling the router and hub cannot communicate You can set this parameter only when using DS3 and E3 modules 114078 Rev A 4 5 Configuring Line Services Editing ATM FRE 2 Lines The type of ATM link module you use in your router determines how you edit the line details For information about selecting and configuring ATM link modules refer to Configuring ATM Services This section describes how to edit the line details for ATM FRE 2 link modules e 74023 ATM FRE 2 OC 3 MM 74024 ATM FRE 2 OC 3 SM To edit line details for ATM DXI follow the procedure for customizing synchronous lines in Chapter 5 You can edit ATM FRE 2 parameters for e Enabling or Disabling an ATM FRE 2 Circuit e Setting the Maximum Transmission Unit MTU e Enabling or Disabling Data Path Notify e Setting the Data Path Notify Timeout Enabling or Disabling the SVC Inactivity Timeout e Setting the SVC Inactivity Timeout Editing ATM ALC Physical Attributes Enabling or Disabling an ATM FRE 2 Circuit By default the router enables ATM FRE 2 line services when you add the interface to the configuration file You can disable or reenable this interface without moving the physical cabling Site Manager Enable parameter page A 23 4 6 114078 Re
266. ynchronous digital hierarchy SIF status information frame SMDS switched multimegabit data service SMT Station Management FDDI SNAP Subnetwork Access Protocol SNMP Simple Network Management Protocol SONET Synchronous Optical Network SR source routing SRF status report frame ST2 Stream Protocol 2 SVC switched virtual circuit TCP IP Transmission Control Protocol Internet Protocol TTRT target token rotation time Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from the Bay Networks Press at the following telephone or fax numbers Telephone U S Canada 1 888 4BAYPRESS Telephone International 1 510 490 4752 Fax 1 510 498 2609 You can also use these numbers to request a free catalog of Bay Networks Press product publications xxiv 114078 Rev A Technical Support and Online Services To ensure comprehensive network support to our customers and partners worldwide Bay Networks Customer Service has Technical Response Centers in key locations around the globe e Billerica Massachusetts e Santa Clara California e Sydney Australia e Tokyo Japan e Valbonne France The Technical Response Centers are connected via a redundant Frame Relay Network to a Common Problem Resolution system enabling them to transmit and share information and to provide live around the clock support 365 days a year Bay Networks Informati

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