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Cisco Systems MGX-FRSM-2T3E3 User's Manual

1. PCR AR 3 800 cells per second but less than or equal to 6000 AR Frame Relay port speed in bps For example For example AR equals 64K PCR 237 or AR speed equals 256K PCR 950 or AR speed equals 1536K PCR 5703 The preceding MCR and PCR formulae are predicated on a relatively small frame size of 100 octets and even smaller frame sizes can result in worse case scenarios For example For a frame size of 64 octects the PCR formula becomes PCR AR 2 512 cells per sec For a frame size of 43 octects the PCR formula becomes PCR AR 2 344 cells per sec Util should be set to the same value as that used for the Frame Relay segments of the connection Test Commands for the FRSMs Use the display commands dsp for checking the state of cards lines ports queues and connections The following commands are available for testing the FRSMs see the Cisco MGX 8850 Wide Area Edge Switch Command Reference for descriptions addinloop cnfinloop and dellnloop are line level diagnostic commands that require the service level user privilege 6 34 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Bit Error Rate Testing on an Unchannelized T3 or E3 FRSM addchanloop and delchanloop are standard user commands for looping on a channel tstcon checks the integrity of a connection tstdelay measures the round trip delay on a connection Bit Error Rate Testing on an Unchannelized T3
2. Step 2 Optionally execute enfin to modify line characteristics from the defaults Use dspIn or dspIns to check The syntax for enfin is enfin lt Jine_num gt lt line_code gt lt line_len gt lt clk_src gt E1 signaling line_num is a line number in the range 1 8 line_code is a number that specifies the line coding 2 B8ZS T1 3 HDB3 E1 and 4 AMI T1 E1 line_len is the line length 10 15 for T1 8 for E1 with SMB line module 9 for E1 with RJ48 line module clk_src is a number specifying the clock source 1 for loop clock 2 for local clock El signalling specifies the E1 signaling The possible entries are CAS which specifies CAS and no CRC CAS_CRC which specifies CAS with CRC CCS which specifies CCS and no CRC CCS_CRC which specifies CCS with CRC CLEAR CLEAR channel Card and Service Configuration 6 43 Eight Port Circuit Emulation Service Modules Step3 Create a logical port with addport if the application requires N x 64 Kbps channels addport lt port_num gt lt line_num gt lt begin_slot gt lt num_slot gt lt port_type gt port_num is the logical port number in the range 1 192 for T1 or 1 248 for E1 line_num is the number of the physical line in the range 1 8 begin_slot is the beginning timeslot number in the frame for T1 1 24 For E1 2 32 with CCS signaling or 2 16 and 17 32 with CAS signaling num_slot is the number of timeslots in the frame for the cur
3. A failure of the PXM front card in a redundant system causes the entire PXM card set to switch over As defined in GR 253 a variety of APS modalities are possible see the command summaries that follow The current requirements for APS service on an MGX 8850 switch are Redundant PXMs currently the PXM does not support an APS configuration where the working and protection lines on the same uplink card A B version of an OC 3 or OC 12 back card SMLR 1 622 B and so on The connected network switch or CPE must also support APS Card and Service Configuration 6 7 The Processor Switching Module Initial APS specification consists of the working and protection slot and line and the mode for APS After the initial APS specification you can configure additional APS parameters give commands for switching lines and display the APS configuration The CiscoView application and CLI provide access to the APS feature For detailed descriptions of the CLI commands see the Cisco MGX 8850 Wide Area Edge Switch Command Reference Note that APS is available for only the B versions of the SONET cards SMLR 1 622 B and so on The applicable CLI commands are addapsin to specify the lines and mode for APS cnfapsln to modify the following details of APS operation error thresholds wait period before the PXM restores the working line after errors clear unidirectional or bidirectional switchover which spec
4. ATM to Frame Relay directions A BPX 8620 network with SIW connections appears in Figure 6 3 Figure 6 3 BPX 8600 Series Network with SIW Connections T1 or E1 BPX 8620 network ATM FUNI CPE FRSM 00 Jr tre renee eee e eel FR UNI MGX 8850 lt 2 2 2222 22eee reece reece eee MGX 8850 FRSM ope ATM UNI CPE RPM PVCs p BPX 8620 X M T3 E3 OC3 ATM UNI CPE 17909 In Figure 6 3 an MGX 8850 node on the right has three Frame Relay SIW connections terminating on an FRSM Three far end terminations for these connections appear in other parts of Figure 6 3 ATM FUNI framed UNI port on an FRSM ATM UNI port on an RPM ATM UNI port on a BPX 8600 series BXM card In addition to frame to cell and DLCI to VPI VCI conversion SIW maps cell loss priority and congestion data between the Frame Relay and ATM formats and is FRF 8 compliant It provides full support for routed and bridged PDUs transparent and translation modes and VP translation Cell Loss Priority In addition to frame to cell and DLCI to VPI VCI conversion the SIW feature maps cell loss priority CLP and congestion information from Frame Relay to ATM formats You can modify the CLP and congestion indicators for individual connections On the CLI use the cnfchanmap command In the Frame Relay to ATM direction you can specify one of the following discard
5. 1 PAR 3 PNNI specifies the mastership status of this end of the connection 1 aster 2 slave mastership indicates the mastership status for this end of the connection 1 master 2 slave connID is the remote connection identifier from the slave end if you need to enter it at the master end See Rules for Adding Connections for an explanation The possible formats are NodeName SlotNo PortNo DICI NodeName SlotNo PortNo Controllerld DICI for Frame Relay end point NodeName SlotNo PortNo VPI VCI for ATM end point Where Controllerld can be 1 PAR 2 PNNI 3 TAG Modify a connection as needed by executing enfcon See the command line Help or the command reference for the parameters for individual card types If necessary modify the CLP and congestion indicator fields by using enfchanmap cenfchanmap lt chan_num gt lt chanType gt lt FECN EFCI gt lt DE to CLP gt lt CLP to DE gt chan_num is the channel connection number The ranges are 2CT3 16 4015 2T3 2E3 HSSI 16 2015 T1 El 16 1015 chanType is a number in the range 1 5 indicating the service type for the connection 1 NIW 2 SIW in transparent mode 3 SIW in translation mode 4 FUNI 5 frame forwarding FECN EFCI is a number in the range 1 2 that specifies the mapping between FECN and EFCI fields 1 map EFCI SIW only 2 set EFCI to 0 DE to CLP is a number in the range 1 3 that specifies the DE to CLP mapping 1 map DE t
6. CLI rather than the CiscoView application activate the SRM lines from the PXM Optionally modify the resource partitioning at the port level Create logical ports On a stand alone node specify the cell header type UNI cell headers typically apply where a workstation connects to a UNI port on the uplink card rather than a port on the PXM UI card Such an implementation is not common On a stand alone node add standard connections and optional management connections On a stand alone node configure Automatic Protection Switching APS For a feeder execute steps on the connected BPX 8600 series switch to make the feeder an available resource in the network Note For a description of the bit error rate test BERT functions see the section titled Bit Error Rate Testing Through an MGX SRM 3T3 Card and Service Configuration 6 5 The Processor Switching Module Configuring Card Level Parameters Lines and Ports This section describes how to configure card level features activate a physical line and configure logical elements such as a port If necessary refer to the section titled Tasks for Configuring Cards and Services for background information on these types of tasks Step 1 Optionally you can modify the resource partitioning for the whole card by executing cnfcdrscprtn You can view resource partitioning through dspedrscprtn cnfcedrseprtn lt number_PAR_conns gt lt number_PNNI_conns gt lt number_TAG
7. DLCI Does generate statistics for Discarded frame count due to no connection ATM Frame to User Network Interface All FRSMs support the ATM Frame User to Network Interface FUNI When a frame arrives from the FUNI interface the FRSM removes the 2 byte FUNI header and segments the frame into ATM cells by using AALS In the reverse direction the FRSM assembles ATM cells from the network into a frame by using AALS adds a FUNI header to the frame and sends it to the FUNI port Loss Priority Indication The FRSM maps the loss priority indication for both directions Inthe FUNI to ATM direction the FRSM maps the CLP bit in the FUNI header to the CLP bit of every ATM cell that it generates for the FUNI frame Inthe ATM to FUNI direction the FRSM always sets the CLP bit in the FUNI header to 0 Congestion Indication The FRSM maps congestion indication in both directions Inthe FUNI to ATM direction it sets EFCI to 0 for every ATM cell it generates by segmentation Inthe ATM to FUNI direction it sets the CN bit in the FUNI header to 1 if the EFCI field in the last ATM cell of a received segmented frame is 1 The two reserve bits the same positions as C R and BECN in Frame Relay header are always 0 6 26 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuring Frame Relay Service Configuring Frame Relay Service This section first describes how to configure the
8. FRSM card lines and ports then describes how to add connections The descriptions are for the CLI execution of the tasks You can also configure the FRSM card lines and ports by using the CiscoView application Refer to the CiscoView documentation for the directions Also the easiest way to add connections is by using the Cisco WAN Manager application For full details of how to set up a connection through the WAN Manager GUL refer to the Cisco WAN Manager Operations manual Configuring the FRSM Cards Lines and Ports This section describes how to configure card level parameters including Y cable redundancy where applicable physical lines and logical ports on the FRSM series cards Step 1 Step 2 Step 3 If necessary modify the resource partitioning for the whole card by executing the enfcdrscprtn command You can view resource partitioning through dspedrscprtn cnfcdrseprtn lt number_PAR_conns number_PNNI_conns number_TAG_conns gt number_PAR_conns is the number of connections in the range 0 1000 available to the PAR controller number_PNNI_conns is the number of connections in the range 0 1000 available to a PNNI controller number_TAG_conns is the number of connections in the range 0 1000 available to the Tag controller For example you could reserve 300 connections for each controller on the FRSM with cnfcdrseprtn 300 300 300 If the physical line is not yet active use the addIn command to activate it
9. Frame Relay ATM NIW connection for one of the following CLP to DE mapping schemes DE bit in the Frame Relay frame is mapped to the CLP bit of every ATM cell generated by the segmentation process CLP is always 0 CLP is always 1 In the ATM to Frame Relay direction you can configure each Frame Relay ATM NIW connection for one of the following CLP to DE mapping schemes If at least one ATM cell from a frame has CLP 1 the DE field of the Frame Relay frame is set No mapping from CLP to DE Congestion on the Frame Relay ATM network interworking connection is flagged by the EFCI bit The EFCI setting depends on the direction of the traffic In the Frame Relay to ATM direction EFCI is always set to 0 In the ATM to Frame Relay direction the FECN bit of the Frame Relay frame is set if the EFCI field in the last received ATM cell of a segmented frame is set Card and Service Configuration 6 23 Description of Connection Types on the FRSM PVC Status Management The management of ATM layer and FR PVC status management can operate independently The PVC status from the ATM layer is used when determining the status of the FR PVC However no direct actions of mapping LMI A bit to OAM AIS is performed Frame Relay to ATM Service Interworking By specifying a service interworking SIW channel type when you add a Frame Relay PVC to an FRSM all data is subject to SIW translation and mapping in both the Frame Relay to ATM and
10. always 1 mastership indicates whether this endpoint is the master or slave 1 master 2 slave default remoteConnld is the identification for the connection at the slave end The format is nodename slot_number port_number vpi vci For the MGX CESM T3 and MGX CESM E3 the vpi and vci are typically 0 or 1 Note For the channel number the system always returns the number 32 for the high speed CESM If you execute dspchan use the channel number 32 to see details about the channel or dspchans and no arguments to see high level details about the channel In contrast the dspcon command takes the port number to identify the connection even though it shows the same information as dspchan Optionally you can use enfcon to modify the connection enfcon lt port_num gt lt CDVT gt lt CellLossIntegPeriod gt lt bufsize gt port_num is the port number and is always 1 CDVT is a tolerable variation for the arrival time of cells For T3 the range is 125 1447 micro seconds in 125 microsecond increments For E3 the range is 125 1884 micro seconds in 125 microsecond increments CellLossIntegrationPeriod is the amount of time a connection can be in an error condition before an alarm is declared The range is 1000 65535 milli seconds bufsize is the egress buffer size in bytes You can let the CESM compute the size by entering 0 for bufsize or enter the number of bytes up to a maximum of 16224 Optionally you can
11. card at a time regardless of the number of redundant groups you have configured to rely on that MGX SRM 3T3 B for redundancy To configure redundancy through the redundancy bus Step 1 Execute addred on the active PXM addred lt redPrimarySlotNum gt lt redSecondarySlotNum gt lt RedType gt where redPrimarySlotNum is slot number of the slot containing the primary card The slot numbers are 1 6 9 14 17 22 and 25 30 redSecondarySlotNum is slot number of the slot containing the secondary card of the card pair The ranges are 1 6 9 14 17 22 and 25 30 RedType is anumber that specifies the type of redundancy Enter a 1 to specify 1 1 redundancy Enter a 2 to specify 1 N redundancy Only an SRM can support 1 N redundancy Step 2 Check the redundancy status for all cards by using dspred To remove redundancy use delred Card and Service Configuration 6 49 Service Resource Module Configuring Redundancy Through the Distribution Bus Redundancy by way of the distribution bus applies to T1 channels you linked for bulk distribution For a redundancy configuration on the MGX SRM 3T3 B that utilizes the distribution bus No back cards are necessary The MGX SRM 3T3 B can support multiple switchovers for different 1 N redundancy groups Slots 9 10 15 or 26 are not supported Before you specify redundancy with bulk distribution linkage must exist between a T3 line on the MGX SRM 3T3 B and a primary serv
12. describes the steps for setting up a CESM and adding connections The maximum number of connections is 248 on the MGX CESM B 8EI and 192 on the MGX CESM B T1 Use either the CLI or the Cisco WAN Manager application to set up a CESM and add connections The following list shows the fundamental tasks and applicable CLI commands Optionally configure redundancy at the card level addred and possibly addlink on the PXM Optionally modify resource partitions at the card level enfedrscprtn Activate a physical line addin and optionally configure the line enfln Create logical ports for structured data transport on a physical line addport Optionally modify resource partitions at the port level enfportrscprtn Add connections by using addcon or addchan if NSAP addressing is necessary For CESM related commands see the list of service module commands at the beginning of the Cisco MGX 8850 Wide Area Edge Switch Command Reference Also each command description in the command reference lists related commands For example it shows display commands that relate to addition commands Configuring the Card Lines and Ports This section describes how to configure parameters for the card lines and ports through the CLI If you use the CiscoView application refer to the CiscoView documentation On the CLI the command sequence is Step 1 addin lt line number gt where line number is in the range 1 8 You can modify line characteristics with enfln
13. lt pcr 0 1 gt lt cdvt 0 1 gt lt IngPcUtil gt lt EgSrvRate gt lt EgPcUtil gt conn_ID identifies the connection The format is port vpi vci polType is the policing type The choices are 4 or 5 See Table 6 1 for a description of these types per is the peak call rate in the range 50 1412832 cps cdvt is the cell delay variation tolerance in the range 1 5000000 microseconds IngPcUtil is the percentage of utilization on the ingress The range is 1 100 EgSrvRate is the egress service rate The range is 50 1412832 cps EgPcUtil is the percentage of utilization on the egress The range is 1 100 cnfupevbr or cnfupcabr lt conn_ID gt lt polType gt lt pcr 0 1 lt cdvt 0 1 gt lt scr gt lt mbs gt lt IngPcUtil gt lt EgSrvRate gt lt EgPcUtil gt conn_ID identifies the connection The format is port vpi vci polType is the policing type in the range 1 5 See Table 6 1 for a list of these types per is the peak call rate in the range 50 1412832 cps cdvt is the cell delay variation tolerance in the range 1 5000000 microseconds scris the sustained cell rate The range is 50 1412832 cps mbs is the maximum burst size The range is 1 5000000 cells IngPcUtil is the percentage of utilization on the ingress The range is 1 100 EgSrvRate is the egress service rate The range is 50 1412832 cps EgPcUtil is the percentage of utilization on the egress The range is 1 100 enfu
14. or E3 FRSM The MGX 8850 switch can perform a bit error rate test BERT on one active line at a time on the MGX FRSM 2T3 or MGX FRSM 2E3 This type of testing disrupts service because it requires the tested path to be in loopback mode You can configure a BERT session and perform related tasks through the CiscoView application or the CLI The MGX 8850 bus structure supports one BERT session per upper or lower bay of the card cage so the switch can run a maximum of two sessions at once When you specify the target slot through the CiscoView application or the acqdsx3bert command on the CLI the system determines if a BERT configuration already exists in the bay that has the specified slot If no BERT configuration exists in the bay the display presents a menu for the BERT parameters The CLI commands whose functions correspond to Cisco View selections are acqdsx3bert to determine if other BERT sessions exist in the bay enfdsx3bert to specify a pattern for the BERT test startdsx3bert to start a BERT test after resetting BERT counters moddsx3bert to inject multi rate errors into the BERT bit stream dspdsx3bert to display the parameters and results of the current test deldsx3bert to end the current test and retain the values in the BERT counters See the Cisco MGX 8850 Wide Area Edge Switch Command Reference for command details Note When a BERT session begins all the connections on the line go into alarm and retu
15. per second cps For T3 the maximum is 118980 cps For E3 the maximum is 91405 cps mcr is the minimum cell rate The range is 1 65535 cells per second pct_util is the percent utilization in the range 1 100 Bit Error Rate Testing on a T3 or E3 CESM An active MGX CESM T3 or MGX CESM E3 can perform a bit error rate test BERT Each of these cards contains its own BERT controller so BERT sessions can run on any number of these cards in the system However only one user at a time can run BERT on acard BERT disrupts service because it requires the tested path to be in loopback mode The CLI commands whose functions correspond to CiscoView selections appear in the following list The correct order of task execution is crucial for obtaining valid results With the exception of dspdsx3bert you must execute the commands in the order they appear in the following list You can execute dspdsx3bert before during or after a session Because the order of execution is crucial read the command descriptions whether you use the Cisco View application or the CLI acqdsx3bert determines if another user currently is running a BERT session on the card startdsx3bert starts a BERT test after resetting BERT counters enfdsx3bert specifies a pattern for the BERT test moddsx3bert injects multi rate errors into the BERT bit stream deldsx3bert ends the current test and retains the values in the BERT counters This command also
16. spans more than DS1 port_type is a number representing the mode of operation for the logical port 1 for Frame Relay 2 for FUNI mode 1a and 3 for frame forwarding For MGX FRSM HS1 B addport lt port_num gt lt port_type gt port_num is the port number in the range 1 4 port_type is a number representing the type of frame interface technology for the logical port 1 for Frame Relay 2 for FUNI mode 1a or 3 for frame forwarding For AX FRSM 8T1 and AX FRSM 8E1 addport lt port_num gt lt line_num gt lt dsO_speed gt lt begin_slot gt lt num_slot gt lt port_type gt port_num is the logical port number in the range of either 1 192 for T1 or 1 248 for E1 When you subsequently add a connection through the preferred command addcon or the addchan command which requires NSAP format you must indicate a logical port by using this singular port_num regardless of the number of DSOs You can add 1 24 DSOs to a single line through the other addport parameters line_num is the physical line number in the range 1 8 ds0_speed is a number representing the DSO speed 1 for 56 Kbps or 2 for 64 Kbps begin_slot is the beginning DSO timeslot in 1 base For example on port number 50 you could make begin_slot 9 then specify num_siot to be in the range 1 16 begin_slot is the beginning timeslot in 1 base num_slot is the consecutive DSOs that each connection on port_num has port_type is a number representing the mode of o
17. the MGX SRM 3T3 and service modules vary as follows If you are using the MGX SRM 3T3 for bulk distribution of T1 channels the CESMs do not use back cards but each MGX SRM 3T3 B must have an MGX BNC 3T3 M back card Bulk distribution is not available for E1 operation Ifthe MGX SRM 3T3 B supports T1 or E1 1 N redundancy through the redundancy bus no bulk distribution the MGX SRM 3T3 B does not require a back card but the N CESM primary cards must have one redundant version of the back card Error and Alarm Response When it detects a loss of signal LOS alarm the CESM notifies the connected CPE in the upstream direction after an integration period The CESM continues to emit cells but sets the ATM cell payload with an appropriate data pattern as specified by the ATM Forum CES V2 0 specification Also an OAM cell with RDI code goes to the far end to indicate out of service See Table 6 4 Table 6 4 CESM Errors and Alarms Alarm Down Error Type stream Up Stream Comments Link Failure Blue LOS AIS OAM none Data cells According to RX cells ATM Forum CES IS V 2 0 Receive RAI Yellow None None Receive LOF n a n a Receive AIS Blue AIS AIS link FERF OAM AIS over the T1 link or cells alternating 1s and Os E1 link 6 42 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuring Service on an Eight Port CESM Configuring Service on an Eight Port CESM This section
18. use enfswparms on a BPX 8600 series switch to configure connection parameters for the network segment of a three segment connection For a stand alone application use whatever means are supported by the backbone switches cnfswparms lt chan_num gt lt mastership gt lt vpcflag gt lt conn_service_type gt cos lt route_priority gt lt max_cost gt lt restrict_trunk_type gt lt pcr gt lt mcr gt lt pct_util gt chan_number is the channel connection number and is always 32 mastership specifies the current endpoint as master or slave 1 master 2 slave default vpcflag indicates whether the connection is a VPC or a VCC 1 VPC and 2 VCC conn_service_type selects the type of service for the connection 1 cbr 2 vbr 3 is not used 4 ubr 5 atfr 6 abrstd and 7 abrfst Card and Service Configuration 6 39 Circuit Emulation Service Module for T3 and E3 route_priority is the priority of the connection for re routing The range is 1 15 and is meaningful only in relation to the priority of other connections max_cost is a number establishing the maximum cost of the connection route The range is 1 255 and is meaningful only in relation to the cost of other connections restrict_trunk_type is a number that specifies the type of trunk this connection can traverse The numbers are 1 for no restriction 2 for terrestrial trunk only and 3 for satellite trunk only pcr is the peak cell rate in cells
19. 00 26 3157000 27 4096000 28 4645000 29 4736000 30 6195000 31 6315000 32 7744000 33 7899000 34 8 192000 35 9289000 36 9472000 37 10240000 38 10890000 39 11059000 40 12390000 41 12629000 42 13897000 43 14222000 44 14336000 45 15488000 46 15799000 47 16384000 48 20025000 49 2498600 50 52000000 The possible errors for enfin are One or more parameters are invalid Line does not exist has not been added Loopback or BERT is on An active port already exists on this line Step 4 Ifthe logical port does not exist or is not the appropriate type Frame Relay FUNI or frame forwarding execute addport to create the appropriate type of port If the logical port already exists and needs no modification enfport you can add connections by performing the tasks in Adding a Frame Relay Connection The parameters for addport depend on the type of FRSM For MGX FRSM 2T3 MGX FRSM 2E3 or MGX FRSM HS2 B addport lt port_num gt lt line_num gt lt port_type gt port_num is the logical port number in the range 1 2 The mapping between a logical port and a line is one to one for these cards Note that the maximum committed information rate CIR on each line for these cards is 0 44210000 bps for MGX FRSM 2T3 0 34010000 bps for MGX FRSM 2E3 and 0 51840000 bps for MGX FRSM HS2 Specify CIR with addcon or addchan if necessary line_num is the physical line number in the range 1 2 port_
20. A the range is as follows T1 10 3622 E1 10 4528 clear E1 10 4830 For IMA multiply the line rate by the number of links is the percent utilization on the ingress The range is 1 127 The default is 0 is the enable for CLP tagging 1 disable 2 enable 6 16 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Adding and Configuring Connections on the AUSM B Step 3 cnfupcubr lt port vpi vci gt lt enable gt lt pcr 0 1 gt lt cdvt 0 1 gt lt IngPc gt lt util gt lt clp_tag gt port vpi vci identifies the connection enable is the enabled disable for UPC 1 Disable 2 Enable per is the peak cell rate Without IMA the range is T1 10 3622 E1 10 4528 clear E1 10 4830 For IMA multiply the line rate by the number of links cdvt cdvt 0 1 is the cell delay variation tolerance for cells with CLP 0 1 The range is 1 250000 micro seconds scr is the peak cell rate Without IMA the range is T1 10 3622 E1 10 4528 clear E1 10 4830 For IMA multiply the line rate by the number of links scr_police specifies the type of scr policing 1 CLP 0 Cells 2 CLP 0 1 cells and 3 no SCR policing mbs is the maximum burst size the range is 1 5000 cells IngPc is the percent utilization on the ingress The range is 1 127 The default is 0 help_tag is the enable for CLP tagging 1 disable 2 enable If the system has the ForeSight feature use enfchanfst to con
21. Activate the lines addin on the CLI 2 Optionally configure the lines enfln on the CLI 3 Display the state of the lines dspIn and dsplns on the CLI To link T1 ports on a service module to a T3 line on an MGX SRM 3T3 B Execute addlink on the active PXM Related commands are dsplink and dellink addlink lt T3 line number gt lt T1 slot gt lt NumberOfT1s gt lt TargetSlotLineNum gt T3 line number is the line number in the format slot line where slot is 15 or 31 regardless of whether redundant SRMs exist in slots 16 and 32 and the range for line is 1 3 T1 slot is the start T1 line number within the T3 line range 1 28 NumberOfT1s is the slot number of the T1 service module Target Slot number can be 1 6 11 14 17 22 or 27 30 TargetSlotLineNum is the T1 line number in the linked card slot The range is 1 8 Redundancy Support by the MGX SRM 3T3 B The MGX SRM 3T3 B can provide redundancy to service modules with T1 or E1 lines For E1 or T1 modules it can provide redundancy through the redundancy bus For T1 modules only it can provide redundancy through the distribution bus The redundancy and distribution buses impose different requirements but the common requirement is that all primary and secondary cards supported by a particular MGX SRM 3T3 B must reside on the same level of the card cage as that SRM 6 48 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Redundancy Suppo
22. CHAPTER 6 Card and Service Configuration This chapter describes how to configure the MGX 8850 cards and the services they support Although the presumption for this chapter is that a plan exists for your network it reviews some of the information that supports network planning Generic instructions for inserting and removing cards appear in Chapter 4 Enclosure and Card Installation The services and applicable modules described in this chapter are Physical and logical configuration of a broadband interface on the Processor Switching Module PXM and for a stand alone switch connection addition ATM service on the MGX AUSM B Frame Relay service on the following service modules MGX FRSM 2CT3 MGX FRSM 2T3E3 MGX FRSM HS2 MGX FRSM HS1 B AX FRSM 8T1 and AX FRSM 8E1 Circuit emulation service on the MGX CESM 8T1 and MGX CESM 8E1 Redundancy and bulk distribution on the Service Resource Module 3T3 MGX SRM 3T3 B Note For information on the Route Processor Module RPM see the Cisco Route Processor Module Installation and Configuration Guide Tasks for Configuring Cards and Services This section contains a general description of the sequence of tasks for configuring the cards and their services It also contains details on how to configure resource partitions and add local connections and three segment connections Detailed descriptions of these tasks for individual cards appear in subsequent sections Modif
23. LCI ATM Frame UNI FUNI port number and frame address or frame forwarding port ATM virtual connection identifier VPI VCI Types of Frame Service Modules The models of the FRSM include eight port T1 and E1 cards and very high speed modules Higher speed modules support unchannelized E3 and HSSI as well as channelized and unchannelized T3 Very High Speed Frame Service Modules The Very High Speed Frame Service Modules FRSM VHS support Frame Relay services on T3 E3 and HSSI interfaces Up to 24 FRSM VHS cards in any combination can operate in the switch They should occupy upper slots whenever possible The FRSM VHS group on an MGX 8850 node consists of the MGX FRSM 2CT3 which provides channelized Frame Relay service for up to 1000 user connections over two T3 lines on the BNC 2T3 back card or line module MGX FRSM 2T3E3 which provides unchannelized clear channel Frame Relay service for up to 1000 user connections over two T3 lines 44 736 Mbps each or two E3 lines 34 368 Mbps each on a BNC 2T3 or BNC 2E3 back card The MGX FRSM 2T3E3 can also support subrate T3 or E3 for tiered DS3 on each physical port MGX FRSM HS2 which provides unchannelized Frame Relay service for up to 1000 user connections over two HSSI lines on the SCSI2 2HSSI back card The maximum rate for the card is 70 Mbps Each port can operate either as DTE or DCE with incremental rates of NxT1 or NxEl1 up to 52 Mbps Eight Port Channelized and Un
24. PVC and applies to PNNI Card and Service Configuration 6 31 Configuring Frame Relay Service mastership indicates if this end of the connection is master or slave 1 master 2 slave connID is the connection identifier at the remote end It appears in the syntax as an optional parameter because it is mandatory only when you add the connection at the master end See Rules for Adding Connections at the beginning of this chapter connID can have one the following formats according to the slave endpoint Nodename SlotNo PortNo DLCI Nodename SlotNo PortNo ControllerId DLCI Nodename SlotNo PortNo VPI VCI for ATM endpoint controllerID is a number indicating the type of network control application 1 PAR 2 PNNI 3 MPLS For AX FRSM 8T1 and AX FRSM 8E1 addcon lt port gt lt DLCI gt lt cir gt lt chan_type gt CAC lt controller_type gt lt mastership gt lt connID gt lt controllerID gt port is the logical port number in the range 1 192 for T1 or 1 248 for E1 See addport step if necessary DLCT is the DLCI number in the range 0 1023 cir is the committed information rate in one of the following ranges for T1 0 1536000 bps for T1 for E1 0 2048000 bps chan_type specifies the type of connection 1 NIW 2 SIW transparent mode 3 SIW with translation 4 FUNI and 5 frame forwarding CAC optionally enables connection admission control 1 enable 2 disable default controller_type is the controller type fo
25. SecondarySlotNum is the slot number of the primary card The possible numbers are 1 6 9 14 17 22 and 25 30 redType is the type of redundancy Enter a 1 for 1 1 Y cable redundancy Adding and Modifying Connections Use either the Cisco WAN Manager application or the CLI to add or modify connections If you use the WAN Manager application refer to the Cisco WAN Manager Operations Guide This section describes how to add a connection to a PXM in a stand alone node according to the rules for a standard connection or a management connection in the form of either a three segment connection or a DAX con See Rules for Adding Connections earlier in this chapter The preferred 6 38 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuring Service on a T3 or E3 CESM command is addcon If the application requires NSAP addressing use addchan to add the connection and enfchan if you need to modify it Refer to the command reference for the syntax On the CESM CLI Step 1 Step 2 Step 3 Add a connection by executing addcon Alternatively you can use addchan if your application requires the NSAP format of endpoint specification Execute addcon at both ends of the connection unless the remote endpoint is on port 34 of a PXM see the note at the end of this step The syntax for addcon is addcon lt port_num gt mastership remoteConnId port_num is the logical port number and is
26. The only argument addin takes is the line number If necessary modify a line on the MGX FRSM 2CT3 MGX FRSM HS2 B MGX FRSM HD1 B AX FRSM 8T1 or AX FRSM 8E1 by using enfin To change line parameters on an MGX FRSM 2CT3 MGX FRSM 2T3E3 or MGX FRSM 2E3 use enfds3In Note that both cnfln and enfds3In apply to the MGX FRSM 2CT3 but affect different aspects of it For the syntax of the line modification commands on all cards except the MGX FRSM HS1 B refer to the Cisco MGX 8850 Wide Area Edge Switch Command Reference The syntax for the MGX FRSM HS1 B is enfin lt ine_num gt lt line_type gt lt line_rate gt line_num has the range 1 4 line_num is a number that specifies the mode and must accord with the 12IN1 cable connected to the port 1 DTE 2 DCE 3 DTE_ST V 35 only is anumber in the range 1 50 that corresponds to a specific rate for the line The range for line rates is 48 Kbps 52 Mbps In Table 6 1 the number for line_rate corresponds to a number of bits per second Card and Service Configuration 6 27 Configuring Frame Relay Service Table 6 2 Supported Lines rates on the MGX FRSM HS1 B 1 50 Correspond to Line Rates in Kbps 1 48000 2 56000 3 64000 4 112000 5 128000 6 168000 7 192000 8 224000 9 256000 10 280000 11 320000 12 336000 13 384000 14 392000 15 448000 16 512000 17 768000 18 1024000 19 1536000 20 1544000 21 1792000 22 1920000 23 1984000 24 2048000 25 30970
27. _conns gt number_PAR_conns is the number of connections in the range 0 32767 for PAR number_PNNI_conns is the number in the range 0 32767 available to PNNI number_TAG_conns is the number of connections in the range 0 32767 for MPLS For example you could reserve 10 000 connections for each controller on the PXM with enfcdrseprtn 10000 10000 10000 Step 2 Activate a line by executing addin addin ds3 lt slot line gt e3 lt slot line gt sonet lt slot line gt ds3 indicates a T3 line parameter follows e3 indicates an E3 line parameter follows sonet indicates an OC 3 or OC 12 line parameter follows slot is 7 or 8 for the PXM If the switch has a single of redundant pair of SRMs execute addin for slots 15 16 31 and 32 line has the range 1 4 but depends on the number of lines on the back card For a feeder you can activate only one line For a stand alone you can activate more than one line if the back card has multiple lines One line must serve as the trunk to the ATM network With an OC 3 T3 or E3 card remaining lines can serve as UNI ports to CPE Step 3 If necessary modify the characteristics of a line by using enfin Step 4 Configure logical ports for the physical line by executing addport Execute addport once for each logical port Related commands are enfport dspports and delport addport lt port_num gt lt line_num gt lt pct_bw gt lt min_vpi gt lt max_vpi gt port_
28. al LOS It is always 255 for unstructured data transfer or 0 255 for structured data transfer For a voice connection the larger the cond_data value the louder the hiss heard in case of LOS cond_signalling is the string of condition signaling bits that you specify with a decimal number in the range 0 15 where for example 15 1111 and 0 0000 These bits represent the ABCD signaling to the line or network when an underflow occurs mastership indicates whether this endpoint is the master or slave 1 master 2 slave default remoteConnld is the identification for the connection at the slave end The format is nodename slot_number port_number vpi vci Card and Service Configuration 6 45 Eight Port Circuit Emulation Service Modules Step 2 Optionally you can use enfcon to modify an individual connection This command requires a channel number If you add a connection by using addcon you do not need to specify a channel number because the system automatically uses the next available number To obtain the channel number for enfcon execute dspcons enfcon lt port_num gt lt CDVT gt lt CLIP gt lt bufsize gt lt cbrclkmode gt lt isenable gt lt exttrigis gt port_num is the port number CDVT is a tolerable variation for the arrival time of cells For T1 the range is 125 24000 micro seconds For E1 the range is 125 26000 micro seconds Both require 125 microsecond increments CLIP is CellLossIntegrationPeri
29. back operations Maximum possible number of DLCIs per port by using the Q 922 two octet header format 1 1 redundancy through a Y cable MGX FRSM HS1 B Features The specific features are Up to 512 data connections In addition to data connections support for LMI according to ITU T Q 333 Annex A and ANSI T1 617 Annex D OAM messaging Total card throughput of 16 Mbps Maximum of 8 Mbps per line Choice of DTE or DCE mode for each line A maximum frame size of 4510 bytes One to one mapping between a logical port and a physical line Support for metallic internal loopback ITU T type 1 Support for ANSI ETA TIA 613 1993 and ANSI EIA TIA 612 1993 Eight Port FRSM Features The specific features are 6 22 Up to 1000 user connections Fractional FRSMs support a single 56 Kbps or multiple 64 Kbps user ports FR UNI FR NNI FUNI and frame forwarding per T1 or E1 line Channelized FRSMs AX FRSM 8T Ic and AX FRSM 8E1c support multiple 56 Kbps or N x 64 Kbps user ports per line up to the physical line bandwidth limit Bulk distribution for T1 only through the MGX SRM 3T3 See the Service Resource Module section in this chapter Redundancy support the MGX SRM 3T3 can provide 1 N redundancy for T1 or E1 operation If the FRSM uses an SMB 8E1 back card 1 1 redundancy is also available through Y cabling Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Description of Connectio
30. ch of the eight lines as needed addin lt line_number gt Optionally use the enfln command to specify line coding line length and clock source enfin lt ine_num gt lt line_code gt lt line_len gt lt clk_src gt E1 signaling Execute upport to activate the logical operation of the line upport lt port_number gt where port_number is in the range 1 8 If necessary execute enfportq to modify the egress queues cnfportq lt port_num gt lt q_num gt lt q_algo gt lt q_depth gt lt clp_high gt lt clp_low gt lt efci_thres gt port_num is the logical port number in the range 1 8 q_num is the queue number in the range 1 16 0 is the default for addchan 1 CBR 2 VBR 3 ABR 4 UBR q_algo is a number to specify the queue algorithm O disable queue 1 high priority always serve 2 best available 3 minimum guaranteed bandwidth 4 minimum guaranteed bandwidth with maximum rate shaping 5 CBR with smoothing q_depth is the maximum queue depth in the range 1 16000 cells clp_high is the high cell loss priority in the range 1 16000 cells clp_low is the low cell loss priority in the range 1 16000 cells efci_thres is the EFCI threshold in the range 1 16000 cells If necessary configure resources at the port level by executing enfportrscprtn Use dspportrscprtn to see the current resource partitioning Card and Service Configuration 6 13 ATM Universal Service Module cnfportrseprtn lt port_num gt
31. ch the VPI and VCI on the slave endpoint of the connected PXM The VPIs and VCIs at the endpoints of the middle segment do not have to match If you use the CLI rather than the Cisco WAN Manager application add each segment through the CLI at each switch Figure 6 1 Frame Relay Connection Through an MGX 8850 BPX 8600 Series Network Customer Equipment Customer Equipment i l l 1 I i to BPX 8620 BPX 8620 to BPX 8620 to BPX 8620 A lt gt lt gt lt gt i i i i 1 fl i BXM 8 155 r i i F Pot 1 1 J BPX MGX R Channel 8620 8850 S gh gare M T1 5 BPX 8620 Channel oe ee Backbone R MGX BPX Network S 8850 8620 M Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 B 17910 The Processor Switching Module The Processor Switching Module This section first describes how to activate and configure the card level parameters lines and ports on the PXM uplink card then describes how to add connections to the PXM in a stand alone node The descriptions tell you how to Optionally modify the resource partitioning at the card level Activate a line on the uplink card On a stand alone node you can activate more than one line if the uplink card has multiple lines One physical line must be the trunk to a network routing node If the switch has a pair of SRMs for bulk distribution and you use the
32. channel number so the addcon command does not require it However some related commands require a channel number To see the channel number after you add a connection use dspcons On the FRSM VHS cards 2CT3 2T3E3 or HS2 addcon lt port gt lt DLCI gt lt cir gt lt chan_type gt lt egress_service_type gt CAC lt controller_type gt lt mastership gt connID lt controllerID gt port is the logical port number on the MGX FRSM 2CT3 in the range 1 256 On the MGX FRSM 2T3E3 and MGX FRSM HS2 the range is 1 2 See addport step if necessary DLCTis the DLCI number in the range 0 1023 2CT3 2T3 2E3 HS2 cir is the committed information rate in one of the following ranges for 2CT3 0 1536000 bps for 2T3 0O 44210000 bps 2E3 0 34010000 bps and for HS2 0 51840000 bps chan_type specifies the type of connection 1 NIW 2 SIW transparent mode 3 SIW with translation 4 FUNI and 5 frame forwarding egress_service_type is a number that specifies the type of queue on the egress 1 high priority 2 real time VBR 3 nonreal time VBR 4 ABR and 5 UBR CAC optionally enables connection admission control 1 enable 2 disable default With CAC enabled the system adds the resource consumption represented by adding the connection to the total resources consumed on a logical port controller_type is the controller type for signaling connections 1 the default specifies a PVC and applies to PAR 2 specifies a S
33. channelized Frame Service Module The AX FRSM 8T1 and AX FRSM 8E1 provide unchannelized Frame Relay service for up to 1000 user connections on 8 T1 or El lines The AX FRSM 8T Ic and AX FRSM 8Elc provide channelized Frame Relay service for up to 1000 connections Card and Service Configuration 6 19 Frame Service Module Features Four Port Unchannelized Frame Service Module for V 35 The MGX FRSM HS1 B provides unchannelized Frame Relay service across four V 35 lines The maximum throughput for the card is 16 Mbps The maximum rate on a line is 8 Mbps Without the cost of a T3 or E3 card the MGX FRSM HS1 B provides greater that T1 or E1 speeds on a port as well as a choice of 50 line rates in the range 48 Kbps 8 Mbps Frame Service Module Features This section first lists the features common to all FRSM models then lists the features of each model All FRSMs support Frame Relay to ATM Network Interworking NIW as defined in FRE 5 Frame Relay to ATM Service Interworking SIW with or without translation as in FRF 8 Frame forwarding ATM Frame UNI Maximum frame sizes of 4510 bytes for Frame Relay and 4096 bytes for ATM FUNI Per virtual circuit VC queuing in the ingress direction towards the Cellbus Traffic arriving at the network on a connection has a dynamically assigned buffer at the entrance to the switch Buffer size depends on the amount of traffic and the service level agreement SLA Advanced buffer management W
34. commands Bit error rate test BERT functionality with loopback pattern generation and verification on individual lines For a description of BERT functions see the section Bit Error Rate Testing Through an MGX SRM 3T3 Card and Service Configuration 6 41 Eight Port Circuit Emulation Service Modules Cell Delay Treatment For each connection you can configure a tolerable variation in the cell arrival time CDVT according to the expected reliability of the route The CDVT applies to the receive buffer After an underrun the receiver places the contents of the first cell to arrive in a receive buffer then plays it out at least one CDVT value later For each VC the maximum cell delay and CDVT or jitter are For Tl Cell delay of 48 msec CDVT of 24 msec in increments of 125 microseconds For El Cell delay of 64 msec CDVT of 32 msec in increments of 125 microseconds Redundancy Support for the Eight Port CESM The MGX CESM 8T1 and MGX CESM 8EI can have 1 N redundancy support but with some variations between the T1 and E1 modes of operation The type of redundancy and the type of back card are interdependent See Service Resource Module for more details In general With an RJ48 8T1 an MGX SRM 3T3 can provide 1 N redundancy through the distribution bus or the redundancy bus With an RJ48 8E1 an MGX SRM 3T3 can provide 1 N redundancy through the redundancy bus Back card requirements for
35. commands appear in the following list For a complete list of CLI commands that apply to the CESM cards use the Help command on the CLI of the card or refer to the tables at the front of the Cisco MGX 8850 Wide Area Edge Switch Command Reference Optionally configure Y cable redundancy at the card level addred on the CLI Optionally modify resource partitioning at the card level enfcdrseprtn Activate a physical line addin on the CLI and optionally configure the line enfln for line coding line length and clock source Activate the functioning of the logical port on a physical line addport Optionally modify resource partitioning at the port level enfportrscprtn Add the connections by using addcon or addchan if NSAP addressing is necessary Configure the connection for CDVT cell loss integration period and egress buffer size by using cnfcon or enfchan if NSAP addressing is necessary Card and Service Configuration 6 37 Circuit Emulation Service Module for T3 and E3 Configuring the Card Lines and Ports This section describes how to configure parameters for the card line and port through the CLI If you use the CiscoView application refer to CiscoView documentation The command sequence is Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 addin lt line number gt where line number is 1 You can modify line characteristics with enfin Optionally execute enfin to modify line characteristics enfln lt in
36. d sets can operate in an MGX 8850 node The MGX CESM T3 or MGX CESM E3 provide the following Unstructured data transfer at 44 736 Mbps 1189980 cells per second for T3 or 34 368 Mbps 91405 cells per second for E3 Synchronous timing by either a local clock sourced on the PXM or loop timing transmit clock derived from receive clock on the line 1 1 redundancy is through a Y cable Programmable egress buffer size in the form of cell delay variation Programmable cell delay variation tolerance CDVT Per VC queuing for the transmit and receive directions An idle code suppression option Bit count integrity when a lost AAL1 cell condition arises Alarm state definitions per G 704 Trunk conditioning by way of framed AIS for T3 and unframed alternating 1s and Os for E3 On board bit error rate testing BERT Cell Delay Treatment You can configure a tolerable variation in the cell arrival time CDVT for the receive buffer After an underrun the receiver places the contents of the first cell to arrive in a receive buffer then plays it out at least one CDVT value later The maximum cell delay and CDVT or jitter are For T3 Cell delay of 4 msec CDVT of 1 5 msec in increments of 125 microseconds For E3 Cell delay of 2 9 msec CDVT of 2 msec in increments of 125 microseconds 6 36 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuri
37. device to loop and the pattern This section lists the device options and patterns that appear in the menus Refer to the preceding tables as needed The device to loop options identify the type of device that participates in the test noLatch is a device that does not latch the data It can be a Non latching office channel unit OCU that consists of one device Non latching OCU that consists of a chain of devices Non latching channel service unit CSU Non latching data service unit DSU Latch is a device that can latch the data and can be a Latching DSO DP drop device Latching DSO DP line device Latching office channel unit OCU Latching channel service unit CSU Latching data service unit DSU Latching HL96 device in band ESF 54 is a polynomial loopback metallic is a local loopback within the service module and does not involve an external device The available patterns are 1 AllOs o ON OO Oo FP WO DR All 1s Alternating 1 0 pattern Double 1 0 pattern 2 5 1 pattern 220 1 pattern 279 1 QRSS pattern 273 1 pattern 1 in 8 pattern 10 3 in 24 pattern 11 DDS 1 pattern 12 DDS 2 pattern 13 DDS 3 pattern 14 DDS 4 pattern 15 DDS 5 pattern 16 2 pattern 17 2 pattern Card and Service Configuration 6 53 Service Resource Module Loopback Test Options The loopback tests do not monitor the integrity of the data but rather the integrity of the path The type of loopback indicates
38. e for descriptions Adding and Configuring Connections on the AUSM B You can add and modify connections through the Cisco WAN Manager or the CLI Refer to applicable documentation if you use the WAN Manager application This section describes how to add an ATM connection through the CLI according to the rules for adding a standard connection or a management connection in the form of either a DAX con or a three segment connection See Rules for Adding Connections earlier in this chapter 6 14 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Adding and Configuring Connections on the AUSM B On the CLI of the AUSM B Step 1 Step 2 Execute the addcon command When you add a connection with addcon the system automatically assigns the next available channel number so addcon does not require it However some related commands require a channel number cnfchanfst cnfchanq and enfupcabr for example To see the channel number after you add a connection use dspcons The addcon syntax is addcon lt port_number gt lt vpi gt lt vci gt lt ConType gt lt SrvType gt Controller_Type mastership remoteConnID port number port number is in the range 1 8 vpi vpi has a value in the range 0 255 vel vci can be in the range 0 65535 for a VCC or for a VPC Conn type is the connection type 0 VCC and non 0 is the local ID of a VPC in the range 1 1000 Service Type is the serv
39. e 6 6 Loopback Test for AX FRSM 8T1 MGX CESM 8T1 and MGX FRSM 2CT3 Test Medium Medium Type Loopback Port with N timeslots can also far end or remote submit to the DDS seek test Port Port with one 64 Kbps timeslot can far end or remote also submit to the DDS seek test Port with one 56 Kbps timeslot can far end or remote also submit to the DDS seek test Line n a metallic far end or remote Table 6 7 Pattern Test for AX FRSM 8E1 and MGX CESM 8E1 Test Medium Medium Type Device to Loop BERT Pattern Port any none all patterns Line n a metallic all patterns Table 6 8 Loopback Test for AX FRSM 8E1 and MGX CESM 8E1 Test Medium Medium Type Loopback Port any remote loopback Line n a metallic or remote Table 6 9 Pattern Test for MGX AUSM 8T1 Test Medium Medium Type Device to Loop BERT Pattern Line n a in band ESF all patterns Table 6 10 Loopback Test for MGX AUSM 8T1 Test Medium Medium Type Loopback Line n a far end remote or metallic Table 6 11 Pattern Test for MGX AUSM 8E1 Test Medium Medium Type Device to Loop BERT Pattern Line n a none all patterns Table 6 12 Loopback Test for MGX AUSM 8E1 Test Medium Medium Type Loopback Line n a remote or metallic Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Bit Error Rate Testing Through an MGX SRM 3T3 Pattern Test Options The pattern test options consist of the
40. e operation with loopback pattern generation and verification on individual lines or logical port For a description of the BERT functions see the section titled Bit Error Rate Testing Through an MGX SRM 3T3 An MGX SRM 3T3 B installation requires at least one card set in the upper bay of the card cage and one card set in the lower bay Each set services one half of the backplane The PXM in slot 7 controls the SRMs in slots 15 and 31 The PXM in slot 8 controls the redundant SRMs in slots 16 and 32 If the switch has SRMs with redundant PXMs the SRMs must occupy all the reserved slots for this feature 15 16 31 and 32 Configuring Card and Line Parameters You can configure card and line level parameters for an SRM through the CiscoView application or the CLI on the PXM not the SRM itself For descriptions of the commands see the Cisco MGX 8850 Wide Area Edge Switch Command Reference The CLI commands that apply to the SRM are addin delln cnfin dspln dsplns addlmiloop dellmiloop cnfsrmclksre dspsrmclksre dspalm dspalms dspalment clralment clralm dspalment addlink dsplink dellink addred dspred delred Card and Service Configuration 6 47 Service Resource Module Bulk Distribution for T1 Service The MGX SRM 3T3 B supports a de mulitplexing function called bulk distribution With bulk distribution the MGX SRM 3T3 B converts traffic from its T3 lines to T1 channels and sends the data streams across the dis
41. e test type test patterns loopback type and so on See the Cisco MGX 8850 Wide Area Edge Switch Command Reference for details on enfbert and the other BERT commands The concatenation of menu to menu is extensive so this section contains tables of menu selections based on the card types and the test type The test type can be pattern loopback or DDS seek The choice of test type leads to further menu displays Following the tables of menu choices the remaining sections define the parameters in these menu choices For AX FRSM 8T1 MGX CESM 8T1 and MGX FRSM 2CT3 see Table 6 5 pattern tests and Table 6 6 for loopback tests For AX FRSM 8E1 and MGX CESM 8E1 see Table 6 7 for pattern tests and Table 6 8 for loopback tests For MGX AUSM 8T1 see Table 6 9 for pattern tests and Table 6 10 for loopback tests For MGX AUSM 8E1 see Table 6 11 for pattern and Table 6 12 loopback tests Table 6 5 Pattern Test for AX FRSM 8T1 MGX CESM 8T1 and MGX FRSM 2CT3 Test Medium Medium Type Device to Loop BERT Pattern Port with N timeslots can also submit to v54 all patterns Port the DDS seek test Port with one 64 Kbps timeslot can also latch or v54 all patterns submit to the DDS seek test Port with one 56 Kbps timeslot can also noLatch 2 or 2 submit to the DDS seek test latch or v54 all patterns Line n a in band ESF or all patterns metallic Card and Service Configuration 6 51 Service Resource Module Tabl
42. e_num gt lt line_code gt lt line_len gt lt clk_src gt line_num is 1 line_code is a number to specify line coding 1 for B3ZS T3 and 2 for HDB3 E3 line_len is a number that specifies the line length 1 for up to 225 feet and 2 for more than 225 feet clk_src is a number that specifies the clock source 1 for local clock sourced on the PXM and 2 for looped clock Use dspIn or dspIns to check the line For dspIn the valid line number is 1 Create a logical port with addport addport lt port_num gt lt line_num gt port_num is the logical port number and is always 1 line_num is the number of the physical line and is always 1 Configure resources at the port level as needed by executing cnfportrseprtn cnfportrseprtn lt port_num gt lt controller_name gt port_num is the logical port number and is always 1 controller_name is the name of the network control application Enter one of the following strings PAR PNNI or MPLS Optionally configure Y cable redundancy if you have connected the lines of adjacent CESMs through a Y cable The applicable commands are addred dspred and delred These commands run on the PXM rather than the service module so you must change to the PXM CLI to execute them addred lt redPrimarySlotNum gt lt redSecondarySlotNum gt lt redType gt redPrimarySlotNum is the slot number of the primary card The possible numbers are 1 6 9 14 17 22 and 25 30 red
43. eligibility DE to cell loss priority CLP schemes for an individual SIW connection DE bit in the Frame Relay frame is mapped to the CLP bit of every ATM cell generated by frame segmentation CLP is always 0 6 24 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Frame Relay to ATM Service Interworking CLP is always 1 In the ATM to Frame Relay direction you can specify a CLP to DE mapping scheme for an individual connection Ifone or more ATM cells belonging to a frame has CLP 1 the DE field of the Frame Relay frame is set DEis always 0 DEis always 1 Congestion Indication This section describes congestion indictors You can modify the CLP and congestion indicators for individual connections On the CLI use the enfchanmap command In the Frame Relay to ATM direction you can configure a Frame Relay to ATM SIW connection for one of the following Forward Explicit Congestion Notification FECN to Explicit Forward Congestion Indicator EFCI schemes FECN bit in the Frame Relay frame is mapped to the EFCI bit of every ATM cell generated by the segmentation process of the frame EFCL is always 0 EFCT is always 1 In the ATM to Frame Relay direction service interworking connections use the following EFCI to FECN BECN mapping schemes If the EFCI bit in the last ATM cell of a segmented frame received is set to 1 the FECN of the Frame Relay frame is
44. er second clear E1 10 4830 cells per second For IMA multiply the line rate by the number of links is the percent utilization on the egress The range is 1 127 The default is 0 cnfupevbr has the same syntax and parameters as enfupcabr cnfupevbr or enfupeabr lt port vpi vci gt lt enable gt lt pcr 0 1 gt lt cdvt 0 1 gt lt scr gt lt scr_police gt lt mbs gt lt IngPcUtil gt lt EgSrvRate gt lt EgPcUtil gt lt clp_tag gt port vpi vci enable pcr cdvt SCF scr_police mbs IngPcUtil EgSrvRate EgrPcUtil clp_tag identifies the connection is the enabled disable for UPC 1 Disable 2 Enable is the peak cell rate Without IMA the range is as follows T1 10 3622 cells per second E1 10 4528 cells per second clear E1 10 4830 cells per second For IMA multiply the line rate by the number of links cdvt 0 1 is the cell delay variation tolerance for cells with CLP 0 1 The range is 1 250000 micro seconds is the peak cell rate Without IMA the range is as follows T1 10 3622 cells per second E1 10 4528 cells per second clear E1 10 4830 cells per second For IMA multiply the line rate by the number of links specifies the type of scr policing 1 CLP 0 cells 2 CLP 0 1 cells and 3 no SCR policing is the maximum burst size the range is 1 5000 cells is the percent utilization on the egress The range is 1 127 The default is 0 is the egress service rate Without IM
45. es a set of MGX SRM 3T3s in the system For a description of BERT on these cards see the section titled Bit Error Rate Testing Through an MGX SRM 3T3 MGX FRSM 2CTS3 Features The specific features are Up to 1000 user connections Two T3 lines Up to 256 logical ports Logical port speed from DSO 56 Kbps through DS1 1 536 Mbps Support for five Class of Service CoS queues high priority rt VBR nrt VBR ABR UBR 1 1 redundancy through Y cable redundancy no Service Resource Module required MGX FRSM 2TSE8 Features The specific features are Up to 1000 user connections Two T3 or E3 lines coinciding with two logical ports ADC Kentrox and Digital Link methods for supporting fractional T3 or E3 ports Maximum possible number of DLCIs per port by using the Q 922 two octet header format Support for five Class of Service CoS queues high priority rt VBR nrt VBR ABR UBR 1 1 redundancy through Y cable redundancy no Service Resource Module required Fractional T3 speeds available through either the Digital Link or ADC Kentrox method Card and Service Configuration 6 21 Frame Service Module Features MGX FRSM HS2 B Features The specific features are Up to 1000 user connections Maximum 2 logical ports Two HSSI lines with configurable line speeds in multiples of 56 Kbps or 64 Kbps Selectable DTE or DCE mode for each port In DCE mode per port clock speeds of NxT1 and NxE1 up to 52 Mbps Various DTE DCE loop
46. ession on an MGX FRSM 2CT3 or any eight port service module In contrast the MGX FRSM 2T3E3 MGX CESM T3 and MGX CESM E3 do not use the MGX SRM 3T3 B for BERT See the sections for these service modules in this chapter for applicable BERT 6 50 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Bit Error Rate Testing Through an MGX SRM 3T3 The MGX 8850 bus structure supports one BERT session per upper or lower bay so the switch can run a maximum of two sessions at once When you specify the target slot through the Cisco View application or the CLI the system determines if a BERT configuration already exists in that bay After the system determines that no BERT configuration exists in the applicable bay the display presents a menu for the BERT parameters The CLI commands whose functions correspond to Cisco View selections are cnfbert to configure and start a test modbert to inject errors into the BERT bit stream dspbert to display the parameters and results of the current test delbert to end the current test Note When a BERT session begins all connections on a line or port go into alarm and return to normal when the test ends Consequently the test may result in other types of traffic such as AIS During configuration the displayed parameters or menu items depend first on the card type and whether the test medium is a physical line or a logical port Subsequent choices ar
47. figure it enfchanfst lt port vpi vci gt lt enable gt lt fgcra_enable gt lt ibs gt lt pcr gt lt mcr gt lt icr gt port vpi vci identifies the connection enable is the enabled disable for the ForeSight feature 1 disable 2 enable fgcra_enable is the enabled disable for the frame based generic cell rate algorithm 1 disable 2 enable ibs is the initial burst size in the range 0 5000 cells per is the peak cell rate Without IMA the range is T1 10 3622 E1 10 4528 clear E1 10 4830 For IMA multiply the line rate by the number of links Card and Service Configuration 6 17 ATM Universal Service Module mcr is the minimum cell rate Without IMA the range is T1 0 3622 E1 0 4528 clear E1 0 4830 For IMA multiply the line rate by the number of links icr is the initial cell rate Without IMA the range is as follows T1 0 3622 E1 0 4528 clear E1 0 4830 For IMA multiply the line rate by the number of links Step4 If necessary change the queue depths by using enfchanq enfchang lt port vpi vci gt lt discard_option gt lt vc_q_depth gt lt clp_thresh_high gt lt clp_thresh_low epd_threshold gt lt efci_thresh gt port vpi vci identifies the connection discard_option is either 1 for CLP hysteresis or 2 for frame based vc_q_depth is the ingress queue depth in the range 1 16000 cells clp_thresh_high is the CLP high threshold in the range 1 16000 cells clp_thresh_low is the CLP l
48. gh the rules include references to CLI syntax they also apply to the Cisco WAN Manager application 6 2 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Rules for Adding Connections Rules for Adding a DAX Connection A DAX con is a connection whose endpoints for the entire connection exist on the same switch The following apply to the MGX 8850 switch 1 Ona feeder a DAX con can exist between different service modules or the same service module 2 A stand alone node supports DAX cons with one or both endpoints on the PXM in addition to DAX cons between service modules 3 Either endpoint can be the master 4 The first endpoint to add is the slave The generic syntax is addcon lt local parameters gt where local parameters are the port DLCI or VPI and VCI and mastership status Slave is the default case so you actually do not explicitly have to specify it When you press Return the system returns a connection identifier The identifier includes the port and DLCI or VPI and VCI Use the identifier to specify the slave endpoint when you subsequently add the connection at the master end The slave endpoint is specified as the remote parameters in item 5 5 To complete the DAX con add the master endpoint The generic syntax is addcon lt local parameters gt lt remote parameters gt where local parameters are the port DLCI or VPI and VCI and mastership status master in this case The rem
49. guration 6 3 Tasks for Configuring Cards and Services Rules for Adding Management Connections 6 4 This section describes the requirements for adding an inband ATM PVC for managing an MGX 8850 stand alone node A management connection lets a workstation connected through a router control either the local MGX 8850 node or a remote MGX 8850 node that has no workstation The typical configuration has the connecting router feed an AUSM B FRSM RPM or PXM UNI port A management connection can be either a DAX con or a three segment connection The maximum number of management connections is eight The DAX con exists between a service module or PXM UNI and port 34 of the local PXM PXM port 34 is a reserved port for management connections on a stand alone node The network in Figure 6 1 shows FRSMs in a feeder application A three segment management connection has a 1 Local segment between a near end service module or PXM UNI and a PXM port in the range 1 32 2 Middle segment across the network cloud 3 Local segment between a remote PXM port in the range 1 32 and port 34 of that same PXM The path from A to B in Figure 6 1 consists of three segments A segment exists between the FRSM and the PXM on each MGX 8850 switch The middle segment exists between the BXMs at the edges of the ATM cloud and may traverse BPX 8600 via nodes in the cloud The VPI and VCI at each BPX8600 series switch connected to an MGX 8850 feeder must mat
50. he ports on the AUSM series cards through the CiscoView application or the CLI To perform connection related tasks use the Cisco WAN Manager application or the CLI Refer to the documentation for these applications for task descriptions Use the commands described in this section to Optionally modify resource partitioning at the card level Activate and configure a line Create and configure a logical port Optionally modify resource partitioning at the port level Configure usage parameters Configure queue depths Configure the ForeSight feature Configure a line as a clock source 6 12 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Using the CLI to Configure the Card Lines and Ports On the CLI of the AUSM B Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 If necessary modify the resource partitioning for the whole card by executing the cnfcdrscprtn command You can view resource partitioning through dspedrscprtn cnfcedrseprtn lt number_PAR_conns number_PNNI_conns number_TAG_conns gt number_PAR_conns is the number of connections in the range 0 1000 for PAR number_PNNI_conns is the number of connections in the range 0 1000 for PNNI number_TAG_conns is the number of connections in the range 0 1000 for MPLS For example you could reserve 300 connections for each controller on the AUSM with enfedrscprtn 300 300 300 Activate a physical line by using addin for ea
51. hen a frame arrives the depth of the queue for the LCN is compared against the peak queue depth scaled down by a specified factor The scale down factor depends on the amount of congestion in the free buffer pool As the free buffer pool begins to empty the scale down factor is increased preventing an excessive number of buffers from being held up by any single LCN Multiple priority level queuing to support class of service on the egress The FRSM services egress queues according to a weighted priority The priority depends on the percentage of logical port bandwidth needed by all connections of a particular type on a port The FRSM supports a High priority queue Real time Variable Bit Rate rt VBR queue Common queue for non real time Variable Bit Rate nrt VBR and ABR connections UBR queue Initial burst per channel After a period of silence the FRSM sends a configurable number of bytes at a peak service rate The ForeSight option This Cisco mechanism for managing congestion and optimizing bandwidth continuously monitors the utilization of ATM trunks It proactively adjusts the bandwidth for connections to avoid queuing delays and cell discards Consolidated Link Layer Management CLLM an out of band mechanism to transport congestion related information to the far end Dual leaky bucket policing Within the basic parameters such as committed burst excess burst and CIR incoming frames go into two buckets those
52. ice module with the T1 lines No linkage should exist on the secondary service module To configure redundancy through the CLI Step 1 Execute addred on the active PXM addred lt redPrimarySlotNum gt lt redSecondarySlotNum gt lt RedType gt where redPrimarySlotNum is slot number of the slot containing the primary card Permissible slot numbers are in the range 1 6 11 14 17 22 and 27 30 redSecondarySlotNum is slot number of the slot containing the secondary card of the card pair Permissible slot numbers are in the range 1 6 11 14 17 22 and 27 30 RedType is a number that specifies the type of redundancy Enter a 1 to specify 1 1 redundancy Enter a 2 to specify 1 N redundancy Only an SRM can support 1 N redundancy Step 2 Check the redundancy status for all cards by using dspred To remove redundancy use delred Bit Error Rate Testing Through an MGX SRM 3T3 The MGX 8850 switch can perform a bit error rate test BERT on an active line or port This type of testing disrupts service because a BERT session requires the tested path to be in loopback mode In addition the pattern test replaces user data in the path with the test pattern The applicable line types and variations for a DS1 are ATI orEl line Fractional portions of a T1 line that add up to a DS1 A single 56 Kbps or 64 Kbps DSO A DSO bundle consisting of N x 64 Kbps DSOs With a set of MGX SRM 3T3 B cards in the system you can initiate a BERT s
53. ice type 1 CBR 2 VBR 3 ABR and 4 UBR mastership is the mastership status of the endpoint 1 master and 2 slave The default is slave so you actually do not need to type a 2 Controller_Type is the optional controller specification 1 PAR the default 2 SPVC PNNI connID is entered at only the master end and consists of the node name slot number port number vci and vpi of the slave end To configure usage parameter control UPC for the connection channel use cnfupccbr cnfupevbr cnfupcabr or cnfupcubr Use dspcons to obtain the channel number enfupecebr lt port vpi vci gt lt enable disable gt lt pcr 0 1 gt lt cdvt 0 1 gt lt IngPcUtil gt lt EgSrvRate gt lt EgPcUtil gt port vpi vci identifies the connection enable disable is the UPC enable 1 disable 2 enable per 0 1 is the peak cell rate Without IMA the range is as follows T1 10 3622 cells per second E1 10 4528 cells per second clear E1 10 4830 cells per second For IMA multiply the line rate by the number of links cdvt 0 1 is the cell delay variation tolerance for cells with CLP 0 and CLP 1 The range is 1 250000 micro seconds IngPcUtil is the percent utilization on the ingress The range is 1 127 The default is 0 Card and Service Configuration 6 15 ATM Universal Service Module EgSrvRate EgrPcutil is the egress service rate Without IMA the range is as follows T1 10 3622 cells per second E1 10 4528 cells p
54. ifies whether one or both directions of a line are switched when the criteria for a hard or soft failure are met for one direction _revertive recovery where the working line automatically returns to operation after errors clear and any wait period has elapsed enable use of K1 and K2 bytes in the line level frame for equipment at both ends to exchange APS related information delapsin to delete the APS configuration dspapsin to display the configuration for an APS configured line switchapsIn to issue commands for line switching that clear previous user requests lock out block line switching manually switch to the protection line if the following are true no errors exist the working line is active and your request has an equal or higher priority than the last switch request force a line switch regardless of existing errors the following are true the working line is active and your request has an equal or higher priority than the last switch request switch all traffic to either the working lines or protection lines so you can remove a card applies to only the currently supported configuration of 1 1 mode on two uplink cards To specify APS use the following syntax addapsIn lt workline gt lt workingslot gt lt protectionline gt lt protectionslot gt lt archmode gt where workline and workingslot identify the line and slot of the APS working line and protectionline and protectionslot ide
55. ion 6 11 ATM Universal Service Module ATM Universal Service Module The eight port ATM Universal Service Module MGX AUSM B 8T1 and MGX AUSM B E1 is a multipurpose card set with eight T1 or E1 lines that support ATM UNI with high port density for the CPE with AUSMs in all 24 service module slots an MGX 8850 switch can support up to 192 individual T1 or E1 lines An individual card set can support 1000 data connections and 16 management connections Inverse multiplexing for ATM IMA that complies with ATM Forum v3 0 and v3 1 the 8 port AUSM can provide N x T1 or N x El logical ports up to maximum rates of 12 Mbps for T1 or 16 Mbps for E1 Classes of service CBR VBR ABR and UBR with per VC queuing on ingress and multiple class of service queues on egress Statistics collection Virtual path connections VPCs Network synchronization derived from one of its lines Bit error rate test BERT functionality with loopback pattern generation and verification on individual lines or logical port For a description of the BERT functions see the section titled Bit Error Rate Testing Through an MGX SRM 3T3 1 N redundancy for through the optional MGX SRM 3T3 B card Automatic card restore SNMP and TFTP to support card and connection management Resource partitions for individual network control applications Using the CLI to Configure the Card Lines and Ports You can activate and configure the card the lines and t
56. ller is a string identifying the network controller PAR PNNI or TAG ingress_ BW is the percentage of ingress bandwidth in the range 0 100 egress_ BW is the percentage of egress bandwidth in the range 0 100 min_vpi is the minimum VPI in the range 0 4095 max_vpi is the maximum VPI in the range 0 4095 min_vci is the minimum VCI in the range 0 65535 max_vci is the maximum VCI in the range 0 65535 max_chans is the maximum GLCNS in the range 0 32767 Step6 Ona stand alone node specify the cell header type as needed by executing cnfatmln cnfatmln lt ine_num gt lt type gt line_num is the line number in the range 1 4 type is either 2 for UNI or 3 for NNI the default UNI cell headers typically apply where a workstation connects through a line to a PXM UNI port rather than a SLIP based port on the PXM UI card Such an implementation is not common so cnfatmln usually is not necessary Automatic Protection Switching on the PXM Automatic Protection Switching APS provides redundancy for an OC 3 or OC 12 line on the PXM if a failure occurs someplace other than the PXM front card The failure can originate on the daughter card uplink card or any part of the physical line With APS the active PXM remains active and passes the cells from the failed line path through the redundant line The advantage of APS is that a line switchover requires significantly less time than a full PXM switchover
57. lt controller gt lt ingress_ BW gt lt egress_ BW gt lt number_of_cons gt lt VPImin VPImax gt VCImin VCImax port_num is the port number in the range 1 8 controller is a number representing the controller 1 PAR 2 PNNI and 3 MPLS ingress_Y BW is the percentage of ingress bandwidth in the range 0 100 egress_ BW is the percentage of egress bandwidth in the range 0 100 number_of_cons is the maximum number of connections on the port VPImin VPImax is the minimum and maximum VPI numbers VCImin VCImax is the optional specification for VCI range Using the CLI to Configure Inverse Multiplexing The command sequence for configuring the IMA feature Step 1 addin on all constituent links Step 2 enfin if necessary Step 3 addimagrp or addaimgrp to create the IMA group by using the following syntax addimagrp lt group_num gt lt port_type gt lt list_of_links gt lt minNumLink gt group_num is anumber for IMA group The range is 1 8 port_type is the port type 1 UNI 2 NN1 list_of_links is the list of links to be included in the group Separate each link number by a period minNumLink is the minimum number of links in the range 1 8 to form a group For example the following creates IMA group 1 with lines 3 4 and 5 The minimum is 3 addimagrp 1 3 4 5 3 IMA related commands are dspimagrp dspimagrpcnt dspimagrps dspimainfo and dspimalncnt Refer to the Cisco MGX 8850 Wide Area Edge Switch Command Referenc
58. n Types on the FRSM Description of Connection Types on the FRSM The following sections describe NIW SIW FUNI and frame forwarding Topics include translation and congestion management Frame Relay to AIM Network Interworking FR ATM network interworking NIW supports a permanent virtual connection PVC between two Frame Relay users over a Cisco network or a multi vendor network The traffic crosses the network as ATM cells To specify NIW for a connection add the connection with a channel type of network interworking For an illustration of a BPX 8620 network with NIW connections see Figure 6 2 Figure 6 2 BPX 8620 Network with NIW Connections Frame Relay BPX 8620 network Frame Relay FRAD DS1 DS1 router FRSM MGX 8850 MGX 8850 FRSM 7 FRAD PVCs router Ne Frame Relay DS1 MGX 8850 FRSM FRAD 3 N router In addition to frame to cell and DLCI to VPI VCI conversion the NIW feature maps cell loss priority CLP and congestion information from Frame Relay to ATM formats Subsequent sections contain the details You can modify the CLP and congestion indicators for individual connections Congestion Indication for NIW Connections You can modify the CLP and congestion indicators for individual connections On the CLI use the cnfchanmap command In the Frame Relay to ATM direction you can configure each
59. nce adding logical ports to all applicable cards for example In contrast the likely sequence for installing a single card is to begin with its card level features and continue until you have configured every connection The common tasks for a new switch are 1 Optionally configure the service modules except the RPM for redundancy This card level operation requires redundant cards and possibly an MGX SRM 3T3 B 2 Optionally configure resource partitioning for the whole card if the default partitioning does not fulfill the purpose of the card Activate physical lines Configure the line if default parameters are not appropriate Create the logical ports then modify them as needed O a A WwW Optionally configure resource partitions for a logical port if the default partitioning does not support the intended operation of the port 7 Add connections then modify them as needed Rules for Adding Connections This section describes the rules for adding local connections three segment connections and management connections The MGX 8850 switch can support Local only digital access and cross connect DAX connections Three segment connections across an ATM or Frame Relay network IP management connections stand alone switches only A management connection is an inband IP connection that lets a workstation control a local or remote MGX 8850 switch through a service module rather than the Ethernet port on a PXM UI Althou
60. ng Service on a T3 or E3 CESM Error and Alarm Response When it detects a loss of signal LOS alarm the CESM notifies the connected CPE in the upstream direction after an integration period The CESM continues to emit cells at the nominal rate but sets the ATM cell payload with an appropriate data pattern as specified by the ATM Forum CES V2 0 specification Also an OAM cell with RDI code goes to the far end to indicate out of service The significance of the different types of alarms appears in Table 6 3 Table 6 3 CESM Errors and Alarms Alarm Down Error Type stream Up Stream Comments Link Failure Blue LOS AIS OAM none Data cells According to RX cells ATM Forum CES IS V 2 0 Receive RAI Yellow None None Receive LOF n a n a Not applicable Receive AIS Blue AIS AIS link FERF OAM AIS done over the T3 E3 link cells by sending the AIS data over the T3 E3 link Configuring Service on a T3 or E3 CESM This section first describes the steps for configuring the card line and port level parameters for an MGX CESM T3 and MGX CESM E It then describes how to add a connection If necessary refer to the section titled Tasks for Configuring Cards and Services for background information on these types of tasks Use either the CLI or the Cisco View application to set up the card and line parameters Use either the CLI or the Cisco WAN Manager application to add connections The fundamental tasks and applicable CLI
61. ntify the protection line and slot According to GR 253 the archmode identifies the type of APS operation The mode definition includes 1 1 1 on one back card 2 1 1 on two back cards 3 1 1 4 Annex B Currently the only supported mode is 1 1 with two uplink cards mode 2 With 1 1 APS both the working line and the protection line carry duplicate data even though no error threshold has been exceeded or line break has occurred This mode requires that two standard cables rather than a Y cable connect at two ports on the equipment at the opposite end With the two card implementation workline must be the same as protectionline 6 8 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Adding Connections on a PXM in a Stand Alone Node Adding Connections on a PXM in a Stand Alone Node This section describes the CLI commands for provisioning connections on a PXM in a stand alone node Connection addition abides by the rules for a standard connection or a management connection in the form of either a three segment connection or a DAX con See Rules for Adding Connections earlier in this chapter In addition this section describes the commands for modifying certain features for a connection and policing connections by way of usage parameter control The CLI commands correspond to functions in the Cisco WAN Manager application The preferred CLI command is addcon If the application requires NSAP addres
62. nts The range is 1 10 and must be greater than the value of N392 The default is 4 Step 6 Configure resources for the port as needed by executing enfportrscprtn To see the partitioning use dspportrscprtn The description has a high and low bandwidth version cnfportrseprtn lt port_num gt lt controller gt lt percent BW gt lt low DLCI gt lt high DLCI gt lt max LCN gt For FRSM VHS cards port_num is the port number in the range 1 2 for MGX FRSM 2T3E3 and MGX FRSM HS2 or 1 256 for MGX FRSM 2CT3 controller is a number representing the controller 1 PAR 2 PNNI and 3 Tag percent BW is the percentage of the bandwidth in the range 0 100 and applies to both egress and ingress low DLCT is in the range 0 1023 high DLCT is in the range 0 1023 max LCN is the maximum number of logical connections available to the controller on this port The ranges are 1 4000 for MGX FRSM 2CT3 and 1 2000 for MGX FRSM 2T3E3 and MGX FRSM HS2 For AX FRSM 8T1 or AX FRSM 8E1 port_num is the logical port number in the range 1 192 for T1 or 1 248 for E1 controller name is PAR PNNI or TAG percent BW is the percentage of the bandwidth in the range 0 100 and applies to both egress and ingress low DLCT is in the range 0 1023 high DLCT is in the range 0 1023 max LCN is the maximum number of logical connections available to the controller on this port The range is 1 1000 6 30 Cisco MGX 8850 Installation and Configuration Relea
63. num is the number for the logical port The range is 1 32 for user ports or 34 for inband ATM PVCs that serve as management connections line_num is the line number in the range 1 4 but depends on the type of uplink card pct_bw is the percentage of bandwidth The range is 0 100 This parameter applies to both ingress and egress min_vpiis the minimum VPI value On a feeder the range is 0 4095 On a stand alone node the range is 0 255 max_vpi is the maximum VPI value On a feeder the range is 0 4095 On a stand alone node the range is 0 255 6 6 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Automatic Protection Switching on the PXM Using an example of 100 of the bandwidth on one logical port 1 addport 1 1 100 1 200 where the first 1 is the logical port number the second 1 is the line number on the PXM back card to which you are assigning this logical port number 100 is the percentage of bandwidth this port has in both directions and the VPI range is 1 200 Step 5 If necessary use enfportrscprtn to modify port level resources for a controller cnfportrseprtn lt port_no gt lt controller gt lt ingress_ BW gt lt egress_ BW gt lt min_VPI gt lt max_VPI gt lt min_VCI gt lt max_VCI gt lt max_GLCNs gt port_no is the logical port number in the range 1 32 for user connections or 34 for inband ATM PVCs for network management contro
64. o CLP 2 set CLP to 0 3 set CLP to 1 Card and Service Configuration 6 33 Configuring Frame Relay Service CLP to DE is a number in the range 1 4 that specifies the CLP to DE mapping 1 map CLP to DE 2 set DE to 0 3 set DE to 1 4 ignore CLP NIW only Establishing the BPX 8600 to BPX 8600 Series Segment For a three segment connection establish a BPX 8600 to BPX 8600 series middle segment Execute addcon at one of the BPX 8600 series nodes as follows For slot and port number specify slot and port of the BKM connected to MGX 8850 node For VPI and VCI specify the VPI and VCI at the endpoint on the PXM For Nodename use the name of the BPX 8600 series switch at the far end of the connection For Remote Channel specify the slot and port number of the BXM port attached to the MGxX 8850 node at the far end Specify the VPI as the slot number of the remote MGX 8850 FRSM connected to the BPX 8600 series switch and specify VCI as the LCN of the Frame Relay connection at the remote MGX 8850 node Specify the type of connection Enter ATFST if the ForeSight feature is operating and ATFR if this feature is not operating Specify the other addcon bandwidth parameters such as MCR PCR Util and so on Minimum Cell Rate MCR is only used with the ForeSight feature ATFST connections MCR and Peak Cell Rated PCR should be specified according to the following formulae MCR CIR 3 800 cells per second
65. od an amount of time a connection can be in an error condition before an alarm is declared The range is 1000 65535 milli seconds bufsize is the egress buffer size in bytes These buffers are used for tolerating variations in the cell delay The size can be automatically computed or you can enter a specific size in bytes cbrclkmode is the clock mode for a circuit emulation connection The values are 1 3 1 is synchronous 2 is SRT 3 is adaptive SRT and adaptive are asynchronous clocking schemes isenable is a flag to enable the idle code ABCD signalling bits based cell suppression feature on a connection If you enable this feature idle suppression logic is activated so that suppression begins when valid idle ABCD bits are detected This feature is valid for only single DSO connections Possible values are 1 to enable and 2 to disable exttrigis is an enable for an external idle suppression trigger With this feature enabled the logic forcefully suppresses cells on a single DSO connection Enter a 1 to disable idle suppression or a 2 to enable idle suppression Step3 Optionally you can configure connection parameters for the network segment of a three segment connection cnfswparms lt chan_num gt lt mastership gt lt vpcflag gt lt conn_service_type gt cos lt route_priority gt lt max_cost gt lt restrict_trunk_type gt lt pcr gt lt mcr gt lt pct_util gt chan_number is the connection in the range 32 279 master
66. ote parameters are the items in the connection identifier that the system returned when you added the slave endpoint 6 Ifthe endpoint is a PXM port in a stand alone node specify the slot as 0 The addcon command is the only command in which you specify the slot number for the PXM as 0 Rules for Adding Three Segment Connections A three segment connection consists of a local segment on each MGX 8850 switch at the edges of the network cloud and a middle segment across the network cloud The MGX 8850 requirements are 1 For MGX 8850 feeders the backbone must consist of BPX 8600 series switches 2 For MGX 8850 stand alone switches the backbone switches can be either BPX 8600 series switches or switches from another manufacturer 3 Ona feeder the local segment exists between a service module and the PXM 4 Onastand alone node the local segment can be between a service module and a port on the PXM or just two ports on the PXM 5 For the local segment add the connection at only the master endpoint The generic syntax is addcon lt local parameters gt lt remote parameters gt where local parameters are the port DLCI or VPI and VCI and mastership status master in this case The remote parameters are the current nodename slot port and VPI and VCI of the slave end For the PXM endpoints specify the slot number as 0 The addcon command is the only command in which you specify the slot number for the PXM as 0 Card and Service Confi
67. ow threshold in the range 1 16000 cells for CLP m hysteresis based discard epd_threshold ni is the EPD threshold in the range 1 16000 cells frame based discard efci_thresh is the EFCI threshold in the range 1 16000 cells BPX 8600 to BPX 8600 Segment For the middle segment be sure to use the connection type as the local segments on the MGX 8850 node CBR VBR ABR or UBR The parameters directly map from those specified at the connection endpoint 6 18 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Frame Service Module Features Frame Service Module Features This section describes the features available on each of the Frame Service Modules FRSMs For descriptions of how to set up these cards and add connections see the subsequent section titled Configuring Frame Relay Service This section consists of Brief descriptions of each model of the FRSM Lists of features shared by all FRSMs Lists of features for individual models of the FRSM Brief descriptions of the services Introduction The primary function of the FRSM is to convert between the Frame Relay formatted data and ATM AALS cell formatted data For an individual connection you can configure network interworking NIW service interworking SIW ATM to Frame Relay UNI FUND or frame forwarding An FRSM converts the header format and translates the address for Frame Relay port number and D
68. pcubr lt conn_ID gt lt polType gt lt pcr 0 1 lt cdvt 0 1 gt lt IngPcUtil gt conn_ID identifies the connection The format is port vpi vci polType is the policing type The range is 3 5 See Table 6 1 for a list of these types per is the peak call rate in the range 50 1412832 cps cdvt is the cell delay variation tolerance in the range 1 5000000 microseconds IngPcUtil is the percentage of utilization on the ingress The range is 1 100 6 10 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Adding Connections on a PXM in a Stand Alone Node Table 6 1 Policing Definitions According to Policing and Connection Type ATM Forum TM CLP CLP spec 4 0 PCR Flow tagging SCR Flow tagging Policing by conformance 1stleaky for PCR 2ndleaky for SCR Connection Type definition bucket flow bucket flow CBR CBR 1 CLP 0 1 no off n a polType 4 PCR Policing only CBR When policing 5 off off n a off n a polType 5 UBR UBR 1 CLP 0 1 no off n a polType 3 when CLP setting no UBR UBR 2 CLP 0 1 no CLP 0 yes polType 4 when CLP setting yes UBR Policing is off off n a off n a polType 5 VBR VBR 1 CLP 0 1 no CLP 0 1 no polType 1 1 VBR VBR 2 CLP 0 1 no CLP 0 no polType 2 VBR VBR 3 CLP 0 1 no CLP 0 yes polType 3 VBR when Policing 4 CLP 0 1 no off n a polType 4 VBR Policing is off off n a off n a polType 5 Card and Service Configurat
69. pecification Execute addcon at both ends of the connection unless the remote endpoint is on port 34 of a PXM see the note at the end of this step The maximum number of connections for the MGX CESM 8T1 is 248 and 192 for the MGX CESM 8E1 Note that because you can add only one connection per port addcon does not request a connection number The system automatically assigns the next available channel number so the addcon command does not require it However some related commands require a channel number To see the channel number after you add a connection use dspcons The syntax for addcon is addcon lt port_num gt lt sig_type gt lt partial_fill gt lt cond_data gt lt cond_signalling gt controller_type mastership remoteConnId port_num is the logical port number This port must already exist see addport sig_type is a number indicating the type of signaling 1 specifies basic signaling 2 specifies E1 CAS 3 specifies ds1SFCAS DS1 Superframe CAS and 4 specifies dsl1ESFCAS DS1 Extended Superframe CAS partial_fill is a number representing the number of bytes in a cell It can be either 0 to specify that the cell must contain 48 bytes or a non 0 value that fixes the number of bytes in each cell For structured E1 the partial_fill range is 20 47 bytes For structured T1 the range is 25 47 bytes Unstructured T1 or E1 can be 33 47 bytes cond_data is the conditioning data in case of loss of sign
70. peration for the logical port 1 for Frame Relay 2 for FUNI mode 1a and 3 for frame forwarding Modify as needed the signaling on a port by executing cnfport enfport lt port_num gt lt Imi_sig gt lt asyn gt lt elmi gt lt T391 gt lt T392 gt lt N391 gt lt N392 gt lt N393 gt port_num is the logical port number with a range that depends on the type of FRSM For the MGX FRSM 2CT3 1 56 For a channelized AX FRSM 8T1 1 192 For a channelized AX FRSM 8E1 1 248 For the unchannelized cards the range equals the number of lines Card and Service Configuration 6 29 Configuring Frame Relay Service Imi_sig specifies the LMI signaling 1 Other 2 None 3 StrataLMI 4 Annex AUNI 5 AnnexDUNI 6 AnnexANNI 7 AnnexDNNI LMI signalling N none S StrataLMI and au AnnexAUNI asyn enables asynchronous updates y es or n o elmi enables Enhanced LMI N or n disable Y or y enable T391 sets the T391 timer The range is 5 30 seconds It sets the interval in seconds for NNI status polling The default is 10 T392 sets the T392 timer The range is 5 30 seconds It sets the interval in seconds for UNI status polling The default is 15 N391 sets the N391 counter the number of UNI NNI polling cycles The range is 1 255 The default is 6 N392 sets the N392 counter the threshold for UNI NNI errors The range is 1 10 The default is 3 N393 sets the N393 counter the UNI NNI threshold for monitored eve
71. ports Synchronous timing Superframe or Extended Superframe for T1 N x 64 Kbps fractional DS1 E1 service contiguous time slots only You can map an N x 64 Kbps channel to any VC CAS robbed bit for T1 ABCD for ESF and SF frames and CAS for E1 channel 16 CCS channel as a transparent data channel A choice of partial fill payload sizes Idle detection and suppression for 64 Kbps CAS connections Loopback diagnostics on a line or a connection addInloop tstcon and tstdelay commands Bit error rate test BERT functionality with loopback pattern generation and verification on individual lines or logical port For a description of the BERT functions see the section titled Bit Error Rate Testing Through an MGX SRM 3T3 Unstructured Data Transfer If you configure an individual port for unstructured data transfer the eight port CESM supports Synchronous or asynchronous timing at T1 1 544 Mbps or E1 2 048 Mbps rates For asynchronous timing you can select its basis as either SRTS and adaptive clock recovery The special port type framingOnVcDisconnect This port type prevents a remote end CPE from going to LOF by placing a line in remote loopback mode when the CESM determines that a connection deletion or suspension occurred at the network side ATM interface Ability to detect and display a yellow alarm for the ESF framing on a T1 line Loopback diagnostics on a line or a connection addInloop tstcon and tstdelay
72. r signaling 1 PVC PAR the default 2 SPVC PNNID mastership indicates if this end of the connection is master or slave 1 master 2 slave connID is the connection identifier at the remote end and can have one the following formats according to the type of card at the slave endpoint NodeName SlotNo PortNo DLCI NodeName SlotNo PortNo ControllerId DLCI NodeName SlotNo PortNo VPI VCI for ATM endpoint If the remote end is a PXM the port number can be in the range 1 32 for user connections or 34 for inband management connections stand alone node only controllerID is a number indicating the type of network control application 1 PAR 2 PNNI 3 TAG For MGX FRSM HS1 B addcon lt port_number gt lt DLCI gt lt CIR gt lt chan_type gt lt CAC gt lt Controller_type gt lt mastership gt lt connID gt port_number is the logical port in the range 1 4 DLCT is the DLCI in the range 0 1023 6 32 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Adding a Frame Relay Connection Step 2 Step 3 CIR specifies the committed information rate The range is O 10000000 bps although the V 35 version supports a maximum of 8 Mbps sustained chan_type is a number that identifies the channel type 1 NIW 2 transparent SIW 3 SIW with translation 4 FUNI 5 frame forwarding CAC enables connection admission control Controller_type identifies the network control application
73. rent port port_num port_type is 1 structured 2 unstructured 3 framing on VC disconnect Step 4 Configure resources at the port level as needed by executing cnfportrseprtn enfportrseprtn lt port_num gt lt controller_name gt port_num is the logical port number in the range 1 192 for T1 or 1 248 for E1 controller_name is the name of the network control application Enter one of the following strings PAR PNNI or MPLS Configuring Bulk Distribution and Redundancy You can configure either bulk distribution or redundancy or both according to the restrictions in Redundancy Support for the Eight Port CESM On the CLI of the PXM execute addlink for bulk distribution T1 only before you execute addred for redundancy To configure bulk distribution Execute addlink to create the links addlink lt T3 line number gt lt T1 line number gt lt Target Slot number gt lt Slot line number gt T3 line number is the MGX SRM 3T3 B line number in the format slot line The slot can be 15 or 31 The range for port is 1 3 T1 line number is the starting T1 line number within the T3 line The range for the T1 line number is 1 28 Target Slot number is slot number for the T1 service module Slot line number is T1 line number in the range 1 8 Execute addred addred lt redPrimarySlotNum gt lt redSecondarySlotNum gt lt RedType gt redPrimarySlotNum is the primary slot For the redundancy bus no bulk distrib
74. resets the status of current users that acqdsx3bert detects dspdsx3bert displays the parameters and results of the current test You can execute this command at any time See the Cisco MGX 8850 Wide Area Edge Switch Command Reference for command details Note When a BERT session begins all the connections on the line go into alarm and return to normal when you end the test Consequently the test may result in a large number of traps and other types of traffic such as AIS 6 40 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Eight Port Circuit Emulation Service Modules Eight Port Circuit Emulation Service Modules The main function of the Circuit Emulation Service Module CESM is to provide a constant bit rate CBR circuit emulation service by converting data streams into CBR AALI cells for transport across an ATM network The CESM supports the CES IS specifications of the ATM Forum The eight port CESM lets you configure individual physical ports for structured or unstructured data transfer The card sets consist of an MGX CESM 8T1 or MGX CESM 8E1 front card and one of the following back cards RJ48 8T1 R RJ48 8T1 for supporting 1 N redundancy through the optional MGX SRM 3T3 RJ48 8E1 R RJ48 8E1 for supporting 1 N redundancy through the optional MGX SRM 3T3 SMB 8E1 Structured Data Transfer If you configure an individual port for structured data transfer the eight port CESM sup
75. rn to normal when you end the test Consequently the test may result in a large number of traps and other types of traffic such as AIS Card and Service Configuration 6 35 Circuit Emulation Service Module for T3 and E3 Circuit Emulation Service Module for T3 and E3 Features The main function of the Circuit Emulation Service Module CESM is to provide a constant bit rate CBR service The CESM converts data streams into CBR AAL1 cells according to the CES IS specifications of the ATM Forum for unstructured transport across an ATM network Unstructured transport means the CESM does not interpret or modify framing bits so a high speed CESM creates a single data pipe The most common application is legacy support for digitized voice from a PBX or video from a codec Using circuit emulation a company can expand its data communication network without specific voice or video cards to meet its voice or teleconferencing requirements The higher speed CESM uses a T3 or E3 line The card set consists of an MGX CESM T3 or MGX CESM E3 front card and either a BNC 2T3 or BNC 2E3 back card In this CESM application only one line on the two port back card is operational Furthermore it supports one logical port and one logical connection as a data pipe on the line and runs at the full T3 or E3 rate Although the typical connection setup is the three segment connection across an ATM network the CESM can support a DAX connection Up to 26 CESM car
76. rt by the MGX SRM 3T3 B The need for back cards and the choice of bus for redundancy support depends on whether the MGX SRM 3T3 B must provide bulk distribution With bulk distribution the T1 service modules do not use back cards The MGX SRM 3T3 B uses the distribution bus to support redundancy Without bulk distribution the supported service modules must have back cards The redundant card set requires a special redundancy back card the R RJ48 8T1 or R RJ48 8E The primary card sets use standard back cards RJ48 8T1 or RJ48 8E1 With redundancy provided by the SRM no Y cables are necessary because the MGX SRM 3T3 B itself passes the traffic to the redundant front card if a failure necessitates switchover Conversely any card with 1 1 redundancy supported by Y cabling does not require an SRM For example the FRSM VHS cards have 1 1 redundancy through a Y cable The MGX SRM 3T3 B redundancy feature is particularly important for cards that do not have Y cable redundancy the T1 and E1 service modules Configuring Redundancy Through the Redundancy Bus For redundancy that utilizes the redundancy bus the characteristics are Both the primary and the redundant front cards must have back cards The secondary back card must be the version specifically designed to be redundant cards Examples are the R RJ48 8T1 and R RJ48 8E1 where the first R means redundant An MGX SRM 3T3 B can redirect traffic for only one failed
77. se 1 1 00 Part Number 78 6186 02 Adding a Frame Relay Connection Note The following step applies to Y cable redundancy for the MGX FRSM 2T3E3 For 1 N redundancy on the eight port FRSMs refer to Redundancy Support by the MGX SRM 3T3 B Step 7 Optionally configure Y cable redundancy if you have connected the lines of adjacent MGX FRSM 2T3 or MGX FRSM 2E3 cards through a Y cable The applicable commands are addred dspred and delred These commands run on the PXM rather than the service module so you must change to the PXM CLI to execute them addred lt redPrimarySlotNum gt lt redSecondarySlotNum gt lt redType gt redPrimarySlotNum is the slot number of the primary card The possible numbers are 1 6 9 14 17 22 and 25 30 redSecondarySlotNum is the slot number of the primary card The possible numbers are 1 6 9 14 17 22 and 25 30 redType is the type of redundancy Enter a 1 for 1 1 Y cable redundancy Adding a Frame Relay Connection This section describes how to add a Frame Relay connection according to the rules for adding a standard connection or a management connection in the form of either a DAX con or a three segment connection See Rules for Adding Connections earlier in this chapter Step 1 Add a connection by using addcon If the application requires the NSAP form for the endpoint use addchan as described in the command reference The system automatically assigns the next available
78. set to 1 BECN is always set to 0 Card and Service Configuration 6 25 Description of Connection Types on the FRSM Command and Response Mapping The FRSM provides command and response mapping in both directions Inthe Frame Relay to ATM direction the FRSM maps the C R bit of the received Frame Relay frame to the CPCS UU least significant bit of the AALS CPCS PDU Inthe ATM to Frame Relay direction the FRSM maps the least significant bit of the CPCS UU to the C R bit of the Frame Relay frame Translation and Transparent Modes Each service interworking SIW connection can exist in either translation or transparent mode In translation mode the FRSM translates protocols between the FR NLPID encapsulation RFC 1490 and the ATM LCC encapsulation RFC 1483 In transparent mode the FRSM does not translate Translation mode support includes address resolution by transforming address resolution protocol ARP RFC 826 and inverse ARP inARP RFC 1293 between the Frame Relay and ATM formats Frame Forwarding You can configure an individual port for frame forwarding Frame forwarding is the same as standard Frame Relay except that the FRSM Does not interpret the two byte Q 922 header Maps all received frames to a specific connection if it exists otherwise it discards the frames Does not map between DE and CLP or between FECN and EFI Does not support statistics for Illegal header count or Invalid
79. ship specifies the current endpoint as master or slave 1 master 2 slave default vpcflag indicates whether the connection is a VPC or a VCC 1 VPC and 2 VCC conn_service_type selects the type of service for the connection 1 cbr 2 vbr 3 is not used 4 ubr 5 atfr 6 abrstd and 7 abrfst route_priority is the priority of the connection for re routing The range is 1 15 and is meaningful only in relation to the priority of other connections max_cost is a number establishing the maximum cost of the connection route The range is 1 255 and is meaningful only in relation to the cost of other connections restrict_trunk_type is a number that specifies the type of trunk this connection can traverse The numbers are 1 for no restriction 2 for terrestrial trunk only and 3 for satellite trunk only pcr is the peak cell rate mcr is the minimum cell rate The range is 1 65535 cells per second pct_util is the percent utilization in the range 1 100 6 46 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Service Resource Module Service Resource Module This section describes how to use the features of the T3 version of the Service Resource Module MGX SRM 3T3 B This multipurpose card can provide De mulitplexing of T3 service called bulk distribution 1 N redundancy support for service modules with T1 or E1 lines Bit error rate testing BERT for T3 E3 T1 E1 fractional T1 or subrat
80. sing use addchan to add the connection and enfchan if you need to modify it Refer to the command reference for the syntax In addition On the PXM CLI Step 1 Execute the addcon command according to the following syntax addcon lt port_num gt lt conn_type gt lt local_VPI gt lt local_VCI gt lt service gt CAC mastership remoteConnld port_no is the logical port in the range 1 32 for a user connection or 34 for management connection conn_type is a number identifying the connection type 1 for VPC or 2 for VCC local_VPI is the local VPI in the range 0 4095 local_VCT is the local VCI in the range 0 65535 service is a number in the range 1 4 to specify the type of service 1 CBR 2 VBR 3 ABR and 4 UBR CAC optionally lets you turn off the addition of the loading affect of a connection to the aggregated load on a port mastership specifies whether the endpoint you are adding is the master or slave 1 master 2 slave default The syntax shows this parameter as optional because you need to enter it at only the master end Slave is the default so you do not explicitly need to specify it when entering a DAX con remoteConnld identifies the connection at the slave end The format for remoteConnId is Remote_nodename slot_num remote_VPI remoteVCI Note that the slot number of the active PXM is always 0 when you add a connection because the PXM slot number is a fixed logical value Step 2 If nece
81. ssary modify a connection by using enfcon enfcon lt conn_ID gt lt route_priority gt lt max_cost gt lt restrict_trunk_type gt CAC conn_ID identifies the connection The format is logical_port VPI VCI route_priority is the priority of the connection for re routing The range is 1 15 and is meaningful only in relation to the priority of other connections max_cost is a number establishing the maximum cost of the connection route The range is 1 255 and is meaningful only in relation to the cost of other connections for which you specify a maximum cost restrict_trunk_type is a number that specifies the type of trunk this connection can traverse The numbers are 1 for no restriction 2 for terrestrial trunk only and 3 for satellite trunk only CAC optionally lets you turn on or off the addition of the loading affect of a connection to the aggregated load on a port Card and Service Configuration 6 9 The Processor Switching Module Step 3 As needed specify usage parameter control according to the connection type Use either cnfupccbr cnfupevbr cnfupcabr or cnfupcubr The following text lists the parameters for each Note that the parameters for enfupevbr and cnfupcabr are the same Also the polType policing type parameter has numerous variations in accordance with ATM Forum v4 0 For a list of the policing variations see Table 6 1 after the syntax descriptions enfupeebr lt conn_ID gt lt polType gt
82. the direction of test data transmission The choices are far end means the service module transmits data to the CPE and receives the data back remote means the service module receives data from the CPE and loops back to the CPE metallic means the service module receives data from the network and loops it back to the network 6 54 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02
83. to be checked for compliance with the committed burst rate and those to be checked for compliance with the excess burst rate Frames that overflow the first bucket go into the second bucket The buckets leak by a certain amount to allow for policing without disruption or delay of service 6 20 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Frame Service Module Features Standards based management tools Each FRSM supports SNMP TFTP for configuration and statistics collection and a command line interface The Cisco WAN Manager application provides full graphical user interface support for connection management The CiscoView application provides equipment management MGX 8800 series network management functions including image download configuration upload statistics telnet UI SNMP trap and MIBs OAM features OAM F5 AIS RDI end to end or segment loopback as well as LMI and Enhanced LMI ANNEX A ANNEX D Strata LMI Hot swappable redundancy see sections for individual FRSM card types CLLM router ForeSight and NNI ForeSight operation Resource partitioning at the card level or port level Bit error rate test BERT functions for all card types except the HSSI card types For a description of BERT on the MGX FRSM 2T3E3 see the forthcoming section Bit Error Rate Testing on an Unchannelized T3 or E3 FRSM Running a BERT session on an MGX FRSM 2CT3 or an eight port FRSM requir
84. tribution bus to the appropriate service modules The benefit of this feature is that the number of T1 cables and back cards is greatly reduced Applicable service modules are the MGX AUSM B 8T1 AX FRSM 8T1 and MGX CESM 8T1 At its MGX BNC 3T3 M back card the MGX SRM 3T3 B connects to an external multiplexer The multiplexer connects to the T1 lines from user equipment and places the data streams on T3 lines to the MGX SRM 3T3 B Each T3 line can contain 28 T1 channels An individual MGX SRM 3T3 B can support 10 card slots so the maximum number of T1 channels it can process is 80 Linking the MGX SRM 3T3 B to a destination card causes the switch to take CPE traffic through the MGX SRM 3T3 B rather than the T1 card s line module Linkage is a card level condition If you link just one T1 channel on a service module to the MGX SRM 3T3 B the back card on the service module becomes inoperative so you must link all other T1 ports on that service module to the MGX SRM 3T3 B if you want them to operate Linking T1 ports into a group does not form an N X T1 channel Each T1 channel remains a distinct T1 channel Furthermore a group belongs to one slot so it cannot include T1 channels belonging to another card For a description of how the MGX SRM 3T3 B supports redundancy for linked channels see the section Redundancy Support by the MGX SRM 3T3 B in this chapter Before configuring bulk distribution on an SRM perform the following tasks 1
85. type is a number representing the mode of operation for the logical port 1 for Frame Relay 2 for FUNI mode 1a or 3 for frame forwarding For an MGX FRSM 2CT3 addport lt port_num gt lt line_num gt lt ds0_speed gt lt begin_slot gt lt num_slot gt lt port_type gt port_num is the logical port number in the range 1 256 When you subsequently add a connection through the preferred command addcon or the addchan command which requires NSAP format you must indicate a logical port by using this singular port_num regardless of the number of DSOs You can add 1 24 DSOs to a single port_num through the other addport parameters 6 28 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuring the FRSM Cards Lines and Ports Step 5 line_num is the DS1 number in the range 1 56 to which you assign the DSO when both lines are active If you activate only one line the range is 1 28 You can assign up to 24 contiguous DSOs to one DS1 Each physical line supports up to 28 DS1s The number of DSOs cannot span more than DS1 ds0_speed is a number representing the DSO speed 1 for 56 Kbps or 2 for 64 Kbps begin_slot is the beginning DSO timeslot in 1 base For example on port number 50 you could make begin_slot 9 then specify num_slot to be in the range 1 16 num_slot is the number of DSOs in the associated DS1 Note that the number of DSOs cannot be such that the logical port
86. ution valid slot numbers are 1 6 9 14 17 22 and 25 30 With bulk distribution of T1 channels do not specify 9 10 26 or 26 redSecondarySlotNum is the secondary slot For the redundancy bus no bulk RedType distribution valid slot numbers are 1 6 9 14 17 22 and 25 30 With bulk distribution of T1 channels do not specify 9 10 26 or 26 is the type of redundancy A 1 specifies 1 1 for E1 with SMB connectors A 2 specifies 1 N for T1 or E1 6 44 Cisco MGX 8850 Installation and Configuration Release 1 1 00 Part Number 78 6186 02 Configuring Service on an Eight Port CESM Adding and Modifying Connections Use either the Cisco WAN Manager application or the CLI to add or modify connections If you use the WAN Manager application refer to the Cisco WAN Manager Operations Guide This section describes how to add a connection to a PXM in a stand alone node according to the rules for a standard connection or a management connection in the form of either a three segment connection or a DAX con See Rules for Adding Connections earlier in this chapter The preferred command is addcon If the application requires NSAP addressing use addchan to add the connection and enfchan if you need to modify it Refer to the command reference for the syntax On the CESM CLI Step 1 Add a connection through the preferred command addcon Alternatively you can use addchan if your application requires the NSAP format of endpoint s
87. ying the Resource Partitioning A resource partition at the card level consists of a number of logical connections LCNs At the port level a resource partition consists of a percentage of bandwidth a DLCI or VPI VCI range and the number of logical connection numbers LCNs available to a network control application On the Card and Service Configuration 6 1 Tasks for Configuring Cards and Services PXM the connections are global logical connections GLCNs By default all resources on a a card or logical port are available to any controller on a first come first served basis If necessary you can modify the resource partitioning at the card level or logical port level Port level resource modification follows card level modification so the available port level resources depend on whether and how much you change the card level resource partitioing You do not have to change the resource partitioning for the card before changing resource partitioning for a port The current network control application is Portable AutoRoute PAR Planning considerations should include the possibility of modifying the partitioning of resources for the interface For example the MGX 8850 switch has the capacity to support a Cisco Multi Protocol Label Switching MPLS controller or a Private Network to Network Interface PNNI controller Sequence of Configuration Tasks In anew switch the common approach is to configure the same aspect for all cards at o

Cisco Systems MGX-FRSM-2T3E3 User's Manual

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