Avaya Configuring LNM Services User's Manual
Contents
1. Configuring LNM Services Router Software Version 11 0 Site Manager Software Version 5 0 Part No 114067 Rev A August 1996 Bay Networks ES Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1996 Bay Networks Inc All rights reserved Printed in the USA August 1996 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and2. For More Information about the LAN Management Servers sus 1 17 Chapter 2 LNM Servers Implementation Notes elie Gankauistion ss m 2 1 cd prol LE T T LC 2 1 IBM LAN Network Manager eeee PEE Tm 2 2 merna WAG RUNES e 2 3 Erena MAC RIESE ee een 2 4 Using IBM LAN Net Manager to Set LNM Parameters sess 2 5 Number et RPS Sener per RING uses er 2 6 Redundant Servers Da RING anna 2 6 x ijo m 2 6 vi 114067 Rev A Chapter 3 Enabling LNM Servers Enabling LNM Servers on am Inelf ai ee een 3 1 Chapter 4 Editing LNM Servers Parameters Accessing LNM Servers Paranele unse idle pania pese AUR A 4 2 Editing LNM Servers Global Parameters ana dpa Eee 4 3 Editing LNM Servers Interface Parameters secessit eaen 4 5 Dele LNM Servers Trom aA TRAUN einige 4 12 Deleting the LNM Servers from the Bay Networks Node 44us24srnannennnennnn 4 12 Appendix A Site Manager Default Settings Index 114067 Rev A vii Figures Foure dete The LAM Sewers que S 1 5 Figure 1 2 Controlling and Observing LAN Network Managers ne 1 8 Figure 1 3 Reporting Links via Multiplexed LLC2 Sessions 1 10 Figure 2 1 Source Routing LNM and Line Parameters cccccccesseesteeeeeeeneeeees 2 3 Figure 4 1 Configuration Man
3. functions communication CRS 1 16 control LRM 1 7 hard error processing REM 1 11 intensive mode reporting REM 1 13 notification CRS 1 16 notification LBS 1 17 notification LRM 1 8 passwords LRM 1 9 protocol boundary LRM 1 9 receiver congestion error reporting REM 1 13 registration RPS 1 14 remove station CRS 1 16 reporting link maintenance LRM 1 6 ring station parameters maintenance RPS 1 14 routing LRM 1 8 RPS activation 1 15 security LRM 1 9 G set parameters CRS 1 16 LBS 1 17 REM 1 13 soft error reporting REM 1 12 soft error processing isolating REM 1 12 non isolating REM 1 12 status request CRS 1 15 LBS 1 17 REM 1 13 RPS 1 14 getting help H from a Bay Networks Technical Response Center XXi from the Support Source CD xx through CompuServe xx through Customer Service FTP xix through InfoFACTS service xxi through World Wide Web xix hard error processing function 1 11 IBM LAN Network Manager alternate 1 8 application program 1 1 bridge link function 1 10 capabilities 1 2 communicating with NetView 1 2 configuring LNM servers 2 2 to 2 6 controlling manager 1 7 1 8 levels of management services 1 2 local services 1 3 network administrator capabilities 1 2 network wide services 1 3 number of RPS servers per ring 2 6 Index 2 114067 Rev A IBM LAN Network Manager continued observing 1
4. Controlling LAN Network Manager Observing LAN Network Manager Observing LAN Network Manager Reporting Links Observing LAN Network Manager Key Figure 1 2 LNM Servers LLC2 LLC2 Frames LRM Internal N REM MAC Frames MAC Physical Layer Controlling and Observing LAN Network Managers Routing Function LNM0002A The LRM Routing Function forwards frames from an IBM LAN Network Manager to the appropriate management server REM RPS CRS or LBS The routing function also forwards responses and unsolicited notifications from the management servers to selected remote IBM LAN Network Manager applications Notification Function The LRM Notification Function notifies an IBM LAN Network Manager when requests for new reporting links are accepted or rejected 1 8 114067 Rev A LNM Servers Overview Security Function The LRM Security Function maintains and checks ASCII passwords that are used to authenticate users of reporting links Protocol Boundary Function The LRM Protocol Boundary Function allows communication between LRM and its associated management servers The protocol boundary function also provides a means for management servers to inform LRM about their state active or inactive LLC Requirements To provide enterprise wide services for the IBM LAN Network Manager application LRM requires the presence of an
5. subsystem at the time of global reinitialization further depends on the current operational state of the associated circuit Select Disable to force every LNM Server existing on this node into the down inoperative state Select Enable only when existing LNM Servers are in the Disabled state You can globally reinitialize all local LNM Servers with each server maintaining the most recent setting of its own Interface Enable Disable parameter 1 3 6 1 4 1 18 3 5 12 1 2 IBM LNM SET privilege Disable Enable Disable Grants or denies the Controlling IBM LAN Network Manager application the ability to set MIB values that affect the operation of any target LNM Servers configured on this node For version 7 60 or higher of the router system software leave the setting of this parameter to Disable The Disable setting prevents the Controlling IBM LAN Network Manager application from setting MIB variables for any target LNM Servers configured on this router 1 3 6 1 4 1 18 3 5 12 1 4 4 4 114067 Rev A Editing LNM Servers Parameters Editing LNM Servers Interface Parameters Any LNM Servers interface you add to a token ring physical circuit inherits from the LNM Servers Global facility a default set of LNM Servers parameter values You can use the Configuration Manager to access and modify parameters pertaining to the LNM Servers for a specific ring To do so begin at the Configuration Manager window Figure 4 1 an
6. 4 4 interface parameters 4 5 to 4 11 implementation notes 2 1 to 2 6 overview 1 1 1 3 to 1 17 4 1 LNM servers enable global parameter 4 4 local services IBM LAN Network Manager 1 3 MAC address select parameter 2 4 to 2 5 MAC layer addresses LNM servers 1 4 MAC layer servers Configuration Report Server CRS 1 4 Ring Error Monitor REM 1 4 Ring Parameter Server RPS 1 4 Management Servers 1 3 N NetView 1 2 network wide services IBM LAN Network Manager 1 3 non isolating soft error processing function REM 1 12 notification CRS 1 16 LBS 1 17 LRM 1 8 number of RPS servers per ring 2 6 114067 Rev A Index 3 Configuring LNM Services O OBI manager password parameter 4 11 OB2 manager password parameter 4 11 OB3 manager password parameter 4 11 operating restrictions IBM LAN Network Manager 1 1 overview of LNM servers 1 1 to 1 17 P parameters circuit line MAC address override 2 5 MAC address select 2 4 to 2 5 global IBM LNM set privilege 4 4 LNM servers enable 4 4 interface control manager password 4 10 CRS active 4 9 enable 4 7 error rate threshold 4 10 internal MAC address 4 8 LRM active 4 7 OBI manager password 4 11 OB2 manager password 4 11 OB3 manager password 4 11 REM active 4 8 RPS active 4 9 passwords checking 1 9 controlling manager 4 10 functionality 1 7 2 6 observing manager 1 4 11 observing manager 2 4 11 observing ma
7. 8 operating restrictions 1 1 overview 1 1 to 1 3 redundant servers on a ring 2 6 reporting links 1 6 1 8 requirements 2 2 to 2 5 setting Bay Networks LNM parameters 2 5 IBM LNM set privilege parameter 4 4 implementation notes 2 1 to 2 6 InfoFACTS service xxi initial configuration 2 1 to 2 5 intensive mode reporting function REM 1 13 internal MAC address parameter 4 8 isolating soft error processing REM 1 12 L LAN Bridge Server LBS bridge performance monitoring function 1 17 notification function 1 17 overview 1 16 to 1 17 set parameters function 1 17 status request function 1 17 LAN management servers additional information 1 17 addressing 1 4 Configuration Report Server CRS 1 3 1 15 to 1 16 LAN Bridge Server LBS 1 16 to 1 17 LAN Reporting Mechanism LRM 1 6 to 1 10 Ring Error Monitor REM 1 11 to 1 13 Ring Parameter Server RPS 1 14 to 1 15 LAN Reporting Mechanism LRM control function 1 7 LLC requirements 1 9 to 1 10 notification function 1 8 overview 1 6 to 1 10 password functionality 1 7 1 9 protocol boundary function 1 9 reporting link maintenance function 1 6 Index LRM continued routing function 1 8 security function 1 9 link bridge function IBM LAN Network Manager 1 10 LLC requirements 1 9 to 1 10 LNM defaults A 1 LNM servers accessing parameters 4 2 deleting from circuit 4 12 deleting from node 4 12 editing global parameters 4 3 to
8. IBM LAN Network Manager application and the REM soft error counter is reset No other analysis is performed by REM for nonisolating errors Isolating Soft Error Processing Function When REM receives a soft error MAC frame the accumulated isolating error count is interpreted as a weight The weight associated with a particular station indicates the likelihood that station is causing excessive soft errors on the local ring REM stores information on stations having nonzero weights in a table REM watches for an excessive soft error threshold in the table Exceeding the threshold indicates that e A problem exists on the local ring 114067 Rev A LNM Servers Overview Ring performance is eroding as a result of this problem Exceeding the threshold causes REM to notify the IBM LAN Network Manager of the error ring performance condition The notification appears as a Weight Threshold event that you can view and interpret with the Bay Networks Events Manager tool Once you have determined the typical noncritical or tolerable error characteristics of the local ring you can set a value for the Error Rate Threshold which is an LNM interface parameter The threshold you set provides for adequate warning of legitimate performance degrading problems on the locally attached ring Until you make this determination you can use the default Error Rate Threshold setting provided by the Bay Networks LNM Servers software For information o
9. IBM LAN Network Manager application and the LAN Network Management Servers LRM REM RPS CRS and LBS IBM Corporation SC303374 2 IBM Token Ring Network Architecture Reference Third Edition September 1989 114067 Rev A Configuring LNM Services IBM Corporation 31G6962 IBM LAN Network Manager User s Guide December 1991 IBM Corporation SA21 9994 0 IBM 8209 Local Area Network Bridge IBM Corporation 31G6960 IBM Token Ring Network Bridge Program Version 2 2 User s Guide Fifth Edition 1990 Perlman Radia Interconnections Bridges and Routers Reading MA Addison Wesley Publishing Company May 1992 1 18 114067 Rev A Chapter 2 LNM Servers Implementation Notes This chapter provides basic guidelines for configuring and using the Bay Networks LNM Servers and for using IBM LAN Network Manager versus the Site Manager for LNM Server operations Initial Configuration When you configure the LNM Servers on a Bay Networks router both Site Manager and IBM LAN Network Manager require specific configuration information as described in this chapter Site Manager When you select the LNM Servers in the Protocols selection window the Configuration Manager tool automatically selects Source Routing and LLC2 You must supply the following information to Site Manager through the Configuration Manager tool Source Routing global parameters Internal LAN ID Bridge ID Group LAN ID Source Routing interface
10. Rev A LNM Servers Implementation Notes If you use the PROM based MAC address option the default for a given circuit you must subsequently use the Quick Get function of the Statistics Manager tool to discover the actual address written into the LNM interface record for that circuit For information on how to use the Quick Get tool refer to Managing Routers and BNX Platforms Once you obtain the address supplied by the PROM associated with that circuit you can enter the value into the appropriate parameter field of the IBM LAN Network Manager application If you choose the CNFG user configured option you must also enter a unique value into the MAC Address Override parameter field associated with that circuit As with the PROM based option the address you enter into the MAC Address Override parameter field must be unique within the associated source routing network Using IBM LAN Net Manager to Set LNM Parameters Bay Networks router software does not allow the Controlling IBM LAN Network Manager application to set MIB values on a Bay Networks router The LNM Set Privilege global parameter has a default setting of Disable for this reason Site Manager allows you to change the setting of this parameter to Enable but you must use only the default Disable setting If you attempt to use IBM LAN Network Manager to set the value of a parameter in the MIB you receive an error message such as the following one from LAN Network Manage
11. a configuration file that has at least one set of LNM Servers and a Source Routing Bridge interface e Retrieve the configuration file in local remote or dynamic mode Refer to Configuring Routers for instructions 114067 Rev A xiii Configuring LNM Services Conventions angle brackets lt gt bold text brackets italic text quotation marks Screen text separator gt vertical line Indicate that you choose the text to enter based on the description inside the brackets Do not type the brackets when entering the command Example if command syntax is ping ip address you enter ping 192 32 10 12 Indicates text that you need to enter command names and buttons in menu paths Example Enter wfsm amp Example Use the dinfo command Example ATM DXI Interfaces PVCS identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu Indicate optional elements You can choose none one or all of the options Indicates variable values in command syntax descriptions new terms file and directory names and book titles Indicate the title of a chapter or section within a book Indicates data that appears on the screen Example Set Bay Networks Trap Monitor Filters Separates menu and option names in instructions and internal pin to pin wire connections Example Protocols gt AppleTalk identifies the AppleTalk optio
12. disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ASN BayeSIS BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus Quick2Config RouterMan SPEX Bay Networks Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright O 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowledge t
13. explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not subject to restricted use on any Equipment however unless otherwise specified on the Documentation each licensed copy of such Software may only be installed on one hardware item at any time Licensee may use the Software with backup Equipment only if the Equipment with which or for which it was acquired is inoperative Licensee may make a single copy of the Software but not firmware for safekeeping archives or backup purposes Licensee may modify Software but not firmware or combine it with other software subject to the provision that those portions of the resulting software which incorporate Software are subject to the restrictions of this license Licensee shall not make the resulting s
14. format Specifies aMAC address on the Internal LAN for source routing bridges configured on this router The IBM LAN Network Manager application uses this destination address for communication with the LNM Servers enabled on this circuit Enter as hexadecimal characters a unique 48 bit MAC address in MSB Token Ring format For example enter 0x followed by 12 hexadecimal digits 1 3 6 1 4 1 18 3 5 12 2 1 5 REM active Enable Enable Disable Switches the Ring Error Monitor on or off Switching REM off curtails any further collection of error information from stations on the local ring The system purges any data collected by REM up to the moment you disable it Switching REM on resumes the collection of error information from stations on the local ring Select Disable to switch REM off Select Enable to switch REM on if previously disabled 1 3 6 1 4 1 18 3 5 12 2 1 9 4 8 114067 Rev A Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing LNM Servers Parameters RPS active Enable Enable Disable Use this parameter to switch the Ring Parameter Server RPS on or off Switching RPS off prevents RPS from automatically providing parameter information to new stations attaching to the local ring Switching RPS on restores its operation on the local ring Select Disable to switch RPS off Select Enable t
15. parameters Ring Number e LNM Servers interface parameters refer to Internal MAC Address Line parameters refer to External MAC Address 114067 Rev A 2 1 Configuring LNM Services Refer to the following sources for information on how to access and edit these parameters e Chapter 4 for Internal MAC Address an LNM Servers interface parameter e Configuring Bridging Services for Source Routing Bridge global and interface parameters e Configuring Routers for the MAC address specified as a Circuit Line Detail parameter IBM LAN Network Manager To acquire knowledge of LNM Servers on a Bay Networks router the IBM LAN Network Manager program requires you to e Define source routing bridges in your network You supply the MAC address on each side of any source routing bridge configured with LAN management servers e Link to source routing bridges in your network You use the Bridge Linking function of the IBM LAN Network Manager program Each MAC address must be unique within the associated source routing network The two MAC addresses you need to supply to IBM LAN Network Manager are called e Internal MAC Address associated with the Internal LAN of the router e External MAC Address associated with the token ring circuit you wish to monitor or control by means of IBM LAN Network Manager workstations Figure 2 1 shows a Bay Networks router configured with several Source Routing Bridge interfaces each
16. specific guide for information on enabling the protocols you want to run on this interface When you enable LNM Servers you do not have to configure any LNM parameters The Configuration Manager supplies default values for all LNM parameters If you want to edit these default values refer to Chapter 4 114067 Rev A 3 1 Chapter 4 Editing LNM Servers Parameters This chapter describes how you use Site Manager software to e Access LNM Servers parameters e Edit LNM Servers global parameters e Edit LNM Servers interface parameters e Delete LNM Servers from a circuit Delete all LNM Servers from the router Once you successfully enable a set of LNM Servers on the router you can use Site Manager to edit parameters associated with the servers Note that you can add only one set of LNM Servers per physical circuit This chapter assumes that you have already added one or more source routing bridges and LNM default interfaces to a router configuration file you want to edit Refer to Configuring Routers if you need to add LNM Servers to the configuration file When you configure the LNM Servers on a token ring attachment circuit you supply information required by lower layer protocols MAC LLC and Source Routing These protocols together support local session termination connection and source routing services for the LNM Servers on that physical circuit For each LNM parameter this chapter provides information about defaul
17. Enter any valid unique password consisting of up to eight ASCH characters 1 3 6 1 4 1 18 3 5 12 2 1 17 OB3 Manager Password None Any valid password consisting of up to eight ASCII characters Use this parameter to specify a password that allows Observing IBM LAN Network Manager workstation number 3 to have noncontrolling access to the LNM Servers for a given ring Enter any valid unique password consisting of up to eight ASCH characters 1 3 6 1 4 1 18 3 5 12 2 1 18 114067 Rev A Configuring LNM Services Deleting LNM Servers from a Circuit To delete LNM Servers from their associated physical circuit 1 From the LNM Interface Configuration window Figure 4 3 select the LNM Server interface you wish to delete from the node configuration 2 Click on Delete The system software deletes the LNM Servers entry you selected The entry disappears from the list of LNM Servers in the LNM Interface Configuration window Deleting the LNM Servers from the Bay Networks Node To delete all LNM Servers from a Bay Networks node begin at the Configuration Manager window Figure 4 1 and complete the following steps 1 Select Protocols gt LNM Servers gt Delete LNM Servers A confirmation window appears 2 Select OK The Configuration Manager window appears The Bay Networks LNM Servers for the IBM LAN Network Manager are no longer configured on the node 4 12 114067 Rev A Appendix A Site Manager Default
18. LLC2 sublayer on the same source routing bridge LLC2 services are necessary to support reporting links to the IBM LAN Network Manager application Figure 1 3 114067 Rev A Configuring LNM Services Net Management Ring Station Station PC e g a PC LAN Bay Networks Bay Networks Network Router Router Manager Source Source Routing Routing LLC Session C LLC Session A q 4 LLC Session B Note LLC Session A communicates information about TR LAN 2 LLC Sessions B and C communiate information about TR LAN 3 Network Management Station collects information about TR LAN 1 2 and 3 LNMO0003A Figure 1 3 Reporting Links via Multiplexed LLC2 Sessions Note For more information on LLC support for the LNM Servers refer to Configuring LLC Services You initially establish the reporting link through the Bridge Link function of the IBM LAN Network Manager application software For more information on how to use the Bridge Link function refer to the JBM LAN Network Manager User s Guide 1 10 114067 Rev A LNM Servers Overview Ring Error Monitor REM The Bay Networks implementation of REM is one of five LAN management servers you configure on a token ring circuit REM observes collects and analyzes hard error and soft error reports sent by ring stations on a single ring and assists in fault isolation and correction The REM functional address on the ring is the desti
19. PS compares the values received for the ring s operational parameters with its own stored values If the values match the RPS activates its RPS function If the values do not match the new RPS reports that its parameters are inconsistent with the existing parameters for the ring The RPS then disables its own functional address to prevent it from receiving requests for initialization from stations attaching to the ring Configuration Report Server CRS The Bay Networks implementation of CRS is one of five LAN management servers you configure on a token ring circuit CRS accepts commands from the IBM LAN Network Manager application to get station information set station parameters and remove stations on the locally attached ring CRS also collects and forwards configuration reports generated by stations on the local ring to the IBM LAN Network Manager application CRS supports the following functions e Station Status Request Function e Set Station Parameters Function Remove Station Function e Notification Function Communication Function Station Status Request Function The CRS Station Status Request Function accepts and executes requests from the IBM LAN Network Manager application to get the status of stations on CRS s ring and returns the results to the IBM LAN Network Manager application through LRM 114067 Rev A Configuring LNM Services Set Station Parameters Function The CRS Set Station Parameters Funct
20. Settings Tables A 1 and A 2 show the Site Manager default parameter settings for the LAN Network Manager LNM application Use the Configuration Manager to edit these default settings Table A 1 LNM Global Parameters Parameter Default LAN Net Manager Servers Enable IBM LNM SET privilege Disable Table A 2 LNM Servers Interface Parameters Parameter Default Enable Enable LRM active Enable Internal MAC Addr None REM active Enable RPS active Enable CRS active Enable Error Rate Threshold 128 Control Manager Password None OB1 Manager Password None continued 114067 Rev A A 1 Configuring LNM Services Table A 2 LNM Servers Interface Parameters continued Parameter Default OB2 Manager Password None OB3 Manager Password None 114067 Rev A A access passwords 1 9 2 6 accessing LNM server parameters 4 2 addresses external MAC 2 4 to 2 5 internal MAC 2 3 Bay Networks CompuServe forum xx Customer Service FTP xix home page on World Wide Web xix InfoFACTS service xxi publications ordering xvi support programs xviii Support Source CD xx Technical Response Center xvii xxi technical support xvii beacon frames 1 11 bridge link function IBM LAN Network Manager 1 10 bridge performance monitoring function LBS 1 17 C communication function CRS 1 16 CompuServe Bay Networks forum on xx Configura
21. ager Window c 2 scccccesscceessceetsanceesesenenascenencenntenateaea 4 2 Figure 4 2 Edit LNM Global Parameters Window eee 4 3 Figure 4 3 LNM Interface Configuration Window eem 4 5 Figure 4 4 LNM Interface Configuration Window Scrolled sssse 4 6 114067 Rev A ix Tables Table 1 1 MAC Sublayer Servers and Their Functional Addresses 1 4 Table A 1 LNM Global Parameters uuuueaannnennnennnannannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn A 1 Table A 2 LNM Servers Interface Parameters eese A 1 114067 Rev A xi About This Guide If you are responsible for configuring and managing Bay Networks routers read this guide to learn how to customize router software for LNM services The LNM Servers are the Bay Networks implementation of the five LAN management servers described in the JBM Token Ring Architecture Reference Configuring LNM Services offers e An overview of the LNM routing protocol and a description of how Bay Networks routing servers work Chapter 1 Implementation notes that may affect how you configure LNM Servers Chapter 2 Instructions on enabling LNM Servers Chapter 3 e Instructions on editing LNM global and interface parameters and configuring LNM Servers Chapter 4 Before You Begin Before using this guide you must complete the following procedures e Create and save
22. ber Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 33 92 966 998 81 3 5402 0173 114067 Rev A xxi Chapter 1 LNM Servers Overview LNM Services are embodied in the LNM Servers program the Bay Networks implementation of the five LAN management servers described in the IBM Token Ring Architecture Reference The LNM Servers provide a means for an IBM LAN Network Manager application to monitor and control stations attached to a locally attached token ring LAN Note Bay Networks system software does not support the use of IBM LAN Network Manager to manage or monitor 802 3 Ethernet LAN segments or adapters through a Source Routing Translating Bridge This chapter provides e A brief overview of the IBM LAN Network Manager LNM application program e An overview of the Bay Networks LNM Servers e A list of additional technical resources IBM LAN Network Manager IBM LAN Network Manager is a PC application that allows a network administrator to manage multisegment 802 5 token ring networks The administrator of a building or campus network can use IBM LAN Network Manager to monitor a single LAN or a group of LANs 114067 Rev A Configuring LNM Services IBM LAN Network Manager can also co
23. chnical support staff for assistance with installation configuration troubleshooting or integration issues Customers can also purchase direct support from Bay Networks through a variety of service programs As part of our PhonePlus program Bay Networks Service sets the industry standard with 24 hour 7 days a week telephone support available worldwide at no extra cost Our complete range of contract and noncontract services also includes equipment staging and integration installation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program features use the following numbers Region Telephone Number Fax Number United States and 1 800 2LANWAN enter Express Routing 508 670 8766 Canada Code ERC 290 when prompted 508 436 8880 direct Europe 33 92 968 300 33 92 968 301 Asia Pacific Region 612 9927 8800 612 9927 8811 Latin America 407 997 1713 407 997 1714 In addition you can receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner xviii 114067 Rev A Technical Support and Online Services Bay Networks Information Services Bay Networks Information Services provide up to date support information as a first line resource for network administration expansio
24. d proceed as follows 1 Select Protocols gt LNM Servers gt Interfaces to display the LNM Interface Configuration window Figures 4 3 and 4 4 fo LNM Interface Configuration nable ma im Internal Mac Addr 10000000000 REM active mg RPS active mg CRS active mE sid y Figure 4 3 LNM Interface Configuration Window 114067 Rev A 4 5 Configuring LNM Services Figure 4 4 LNM Interface Configuration Window Scrolled 2 Select highlight the interface you want to modify The parameters associated with that interface appear in the parameter value windows 3 Modify the values of those parameters you wish to change Use the discussions that follow as a guide 4 Click on Apply to save your changes 5 Click on Done to exit the LNM Interface Configuration window 4 6 114067 Rev A Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing LNM Servers Parameters Enable Enable the Configuration Manager automatically sets this parameter to Enable for any LNM Servers you add to the node Enable Disable Enables or disables the LNM Servers on this interface Enable Initializes the LNM Servers you added to a physical circuit Use the Enable setting also to reinitialize an existing LNM Server disabled earlier The actual operating state
25. e Internal MAC Address parameter is that its value always be unique within the associated source routing network For information on how to access or edit this parameter refer to Chapter 4 Editing LNM Servers Parameters External MAC Address Each circuit on which you need to configure an LNM Servers interface has an associated MAC address on the locally attached token ring segment You set this address by means of the MAC Address Select parameter of the circuit associated with that segment You can access the MAC Address Select parameter by means of the following procedure 1 Select Circuits Edit Circuit from the Configuration Manager window This invokes the Circuits List window 2 In the Circuits List window click on the name of a circuit on which you want to configure an LNM Servers interface 3 Click on Edit in the Circuits List window This invokes the Circuit Definition window 4 From the Circuit Definition window select Lines gt Edit Line to access the MAC Address Select parameter The MAC Address Select parameter allows three options e BOXWIDE e PROM Default setting e CNFG Caution Do not use the BOXWIDE option of the MAC Address Select parameter associated with any circuit on which you wish to configure an LNM Servers interface If you do the IBM LAN Network Manager application is unable to differentiate between LNM Servers on different circuits of a Bay Networks router 2 4 114067
26. e LNM Servers Global parameters begin at the Configuration Manager window Figure 4 1 and proceed as follows 1 Select Protocols gt LNM Servers gt Global The Edit LNM Global Parameters window appears Figure 4 2 e Edit LNM Global Parameters Configuration Mode local SNMP Agent LOCAL FILE LAN Net Manager Servers gusce IBM LAM SET privilege DISABLE Figure 4 2 Edit LNM Global Parameters Window 2 Change one or both of the LNM global parameters as appropriate for your current IBM LAN Network Manager observation or control requirements Use the descriptions that follow as a guide 3 Click on OK to save your changes and exit the window 114067 Rev A 4 3 Configuring LNM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID LAN Net Manager Servers Enable Enable Disable Globally enables or disables the system software mechanisms that allow users to add LNM Servers to any physical circuit Other significant actions performed by the system software when you choose a setting are Disable Forces every LNM Server existing on this slot into the down inoperative state Enable Reinitializes every LNM Server existing on this node with each subsystem maintaining the most recent setting of its own Interface Enable Disable parameter The actual up down operating state of each
27. e Monitoring Function 114067 Rev A LNM Servers Overview Status Request Function The LBS Status Request Function accepts and responds to requests for status from the IBM LAN Network Manager application Set Parameters Function The LBS Set Parameters Function accepts and executes commands from a controlling IBM LAN Network Manager The commands change the operational parameters of LBS Notification Function The LBS Notification Function collects inter ring traffic statistics and forwards this information to the IBM LAN Network Manager application This function also notifies IBM LAN Network Manager of LBS state changes Bridge Performance Monitoring Function The LBS Bridge Performance Monitoring Function maintains counters for e The number of frames and bytes forwarded through the bridge e The number of frames not received by a bridge station because the station was congested Periodically the percentage of frames lost or discarded by the bridge because of anomalies is calculated and if the percentage exceeds a predefined threshold LBS sends a notification to the IBM LAN Network Manager application LBS can also be configured to periodically send its error and traffic counters to the IBM LAN Network Manager application to allow for trend analysis by the application For More Information about the LAN Management Servers The following publications provide technical detail on Token Ring LANs Source Routing Bridges the
28. each station attached to a token ring segment Some examples of local services provided by LNM Servers are e Initializing new stations with the same parameters used to initialize all other stations attached to the same ring e Noting the address of the Next Active Upstream Neighbor for each station on aring e Collecting error detection messages placed on a specified ring by stations already attached to the same ring Network Wide Services Network wide services provided by LNM Servers enable you to configure and monitor from a central site the operation of each segment of a token ring LAN Some examples of network wide services are e Requesting statistics or configuration information from LNM Servers e Removing a ring station from a designated ring e Collecting error information on the operation of a designated ring e Permitting manual intervention where necessary to resolve certain operational problems existing on a designated ring LAN Management Servers The IBM Token Ring Architecture Reference defines five servers that provide local network wide or both types of services to the IBM LAN Network Manager application The servers are LAN Reporting Mechanism LRM e Ring Error Monitor REM e Ring Parameter Server RPS e Configuration Report Server CRS LAN Bridge Server LBS 114067 Rev A Configuring LNM Services REM RPS and CRS are MAC sublayer servers and each has its own functional address on the ph
29. egrading problems on that ring Until you make this determination you can use the default error threshold setting provided by the LNM Servers software 1 3 6 1 4 1 18 3 5 12 2 1 23 Control Manager Password None Any valid password consisting of up to eight ASCII characters Use this parameter to specify a password that allows the Controlling IBM LAN Network Manager workstation access to the LNM Servers for the locally attached ring Enter any valid unique password 1 3 6 1 4 1 18 3 5 12 2 1 15 4 10 114067 Rev A Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing LNM Servers Parameters OB1 Manager Password None Any valid password consisting of up to eight ASCII characters Use this parameter to specify a password that allows Observing IBM LAN Network Manager workstation number 1 to have noncontrolling access to the LNM Servers for a given ring Enter any valid unique password consisting of up to eight ASCH characters 1 3 6 1 4 1 18 3 5 12 2 1 16 OB2 Manager Password None Any valid password consisting of up to eight ASCII characters Use this parameter to specify a password that allows Observing IBM LAN Network Manager workstation number 2 to have noncontrolling access to the LNM Servers for a given ring
30. hat such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ii 114067 Rev A Bay Networks Software License Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not grant any Software license whatsoever either
31. his capability is defined as a Security Function in the JBM Token Ring Network Architectural Reference This Security Function maintains and checks passwords that are used to authenticate users of Reporting Links usually network administrators who are using the IBM LAN Network Manager application The designated Controlling and Observing IBM LAN Network Manager applications automatically receive notification when LRM in a given source routing bridge rejects an attempt by an unauthorized IBM LAN Network Manager to establish a Reporting Link to that LRM server 2 6 114067 Rev A Chapter 3 Enabling LNM Servers This chapter describes how to enable LNM Servers It assumes you have 1 Opened a configuration file 2 Specified router hardware if this is a local mode configuration file 3 Selected the link or net module connector on which you are enabling LNM Enabling LNM Servers on an Interface To enable LNM Servers on an interface complete the following steps 1 Select LNM from the WAN Protocols menu this menu appears after you select a link or net module connector that requires a WAN circuit Protocol prioritization is enabled automatically when you select LNM For detailed information on protocol prioritization refer to Configuring Traffic Filters and Protocol Prioritization Click on OK to enable default LNM Servers The Configuration Manager displays the Select Protocols window Go to the appropriate protocol
32. ications order by part number from the Bay Networks Press at the following telephone or fax numbers Telephone U S Canada 1 888 4BAYPRESS Telephone International 1 510 490 4752 Fax 1 510 498 2609 You can also use these numbers to request a free catalog of Bay Networks Press product publications xvi 114067 Rev A Technical Support and Online Services To ensure comprehensive network support to our customers and partners worldwide Bay Networks Customer Service has Technical Response Centers in key locations around the globe e Billerica Massachusetts e Santa Clara California e Sydney Australia e Tokyo Japan e Valbonne France The Technical Response Centers are connected via a redundant Frame Relay Network to aCommon Problem Resolution system enabling them to transmit and share information and to provide live around the clock support 365 days a year Bay Networks Information Services complement the Bay Networks Service program portfolio by giving customers and partners access to the most current technical and support information through a choice of access retrieval means These include the World Wide Web CompuServe Support Source CD Customer Support FTP and InfoFACTS document fax service 114067 Rev A xvii Configuring LNM Services Bay Networks Customer Service If you purchased your Bay Networks product from a distributor or authorized reseller contact that distributor s or reseller s te
33. ing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the receipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license 114067 Rev A Contents Configuring LNM Services About This Guide BESTEN EAN nenne aaa xiii porti e PP EE xiv Wo cR M x PET XV Ordering Bay Networks Publlestians en en xvi Technical Support and Online Services Bay Nelworks Customer Seite ass a xviii Bay Networks Information Services eene ee secinase tnnt hae aad SML tees ann xix INCH WIE NUR een area xix BESTE SSWERFTP ee
34. ion accepts and executes requests from the IBM LAN Network Manager application to set the values of operational parameters in stations on CRS s ring The success or failure of this operation is reported to the IBM LAN Network Manager application through LRM Remove Station Function The CRS Remove Station Function accepts and executes requests from the IBM LAN Network Manager application to force a station to leave CRS s ring The success or failure of this operation is reported to the IBM LAN Network Manager application through LRM Notification Function The CRS Notification Function forwards information about configuration changes on CRS s ring to the IBM LAN Network Manager application through LRM The configuration changes reported are new Active Monitor and new Next Active Upstream Neighbor Communication Function The CRS Communication Function determines the types of frames sent between CRS and the IBM LAN Network Manager application using the LRM reporting link LAN Bridge Server LBS The Bay Networks implementation of LBS is one of five LAN management servers you configure on a token ring circuit LBS keeps statistical information about frames forwarded between two rings through a source routing bridge and sends this information to selected IBM LAN Network Managers through LRM LBS supports the following functions e Status Request Function Set Parameters Function e Notification Function e Bridge Performanc
35. ive LAN management servers you configure on a token ring circuit LRM supplies network wide services to the IBM LAN Network Manager application The services do not extend beyond the topology of the local token ring To supply these services LRM manages all communications between the IBM LAN Network Manager application and the other management servers LRM supports the following major functions e Reporting Link Maintenance Function e Control Function e Routing Function e Notification Function e Security Function e Protocol Boundary Function Reporting Link Maintenance Function The LRM Reporting Link Maintenance Function maintains a separate LLC2 connection called a reporting link to each IBM LAN Network Manager workstation Other management servers REM RPS CRS and LBS use the reporting links managed by LRM to communicate with the IBM LAN Network Manager rather than having each server manage its own independent links with the IBM LAN Network Manager workstation If a Bay Networks router becomes the only station on a token ring segment the router removes and reinserts itself on the ring As a result e Any reporting link established between a remote IBM LAN Network Manager and the LNM Servers on that segment fails The IBM LAN Network Manager Events Log receives an alert message indicating the failure of the reporting link If you want to ensure that the IBM LAN Network Manager maintains a reporting link to the LNM Se
36. mmunicate with the IBM NetView host based network management product This enables a NetView administrator to gain access to certain operating capabilities of the IBM LAN Network Manager application IBM LAN Network Manager provides facilities for managing the media and adapters within aLAN and for managing source routing bridges that interconnect LAN segments When using an IBM LAN Network Manager workstation a network administrator can e Display alerts and recommended actions e Generate event log reports e Query remove or monitor adapters within the network e Establish a communications link with an IBM bridge for the purposes of LAN management e Query and configure IBM bridges Monitor token ring network status and errors e Perform token ring path tests and LAN segment tests When accessing IBM LAN Network Manager via IBM NetView a network administrator can e Display IBM LAN Network Manager alerts and recommended actions Generate IBM LAN Network Manager event log reports e Issue commands to IBM LAN Network Manager Within a token ring LAN environment IBM LAN Network Manager can access two different levels of management e Local services e Network wide services These services are provided by LNM Servers see LNM Management Servers later in this chapter for a discussion of servers 1 2 114067 Rev A LNM Servers Overview Local Services Local services provided by LNM Servers enable you to control
37. n and maintenance This information is available from a variety of sources World Wide Web The Bay Networks Customer Support Web Server offers a diverse library of technical documents software agents and other important technical information to Bay Networks customers and partners A special benefit for contracted customers and resellers is the ability to access the Web Server to perform Case Management This feature enables your support staff to interact directly with the network experts in our worldwide Technical Response Centers A registered contact with a valid Site ID can e View a listing of support cases and determine the current status of any open case Case history data includes severity designation and telephone e mail or other logs associated with the case e Customize the listing of cases according to a variety of criteria including date severity status and case ID e Log notes to existing open cases e Create new cases for rapid efficient handling of noncritical network situations Communicate directly via e mail with the specific technical resources assigned to your case The Bay Networks URL is Attp www baynetworks com Customer Service is a menu item on that home page Customer Service FTP Accessible via URL ftp support baynetworks com 134 177 3 26 this site combines and organizes support files and documentation from across the Bay Networks product suite including switching products from our Ce
38. n how to access and edit the Error Rate Threshold parameter refer to Chapter 4 Intensive Mode Reporting Function The REM Intensive Mode Reporting Function is a facility that enables an IBM LAN Network Manager to request a Ring Error Monitor to forward selected soft error MAC frames The requesting IBM LAN Network Manager receives the requested frames Receiver Congestion Error Reporting Function The REM Receiver Congestion Error Reporting Function identifies stations that cannot receive a significant number of frames from the ring because their input buffers are full Status Request Function The REM Status Request Function accepts and responds to requests for status from IBM LAN Network Manager Set Parameters Function The REM Set Parameters Function accepts and executes requests from the controlling IBM LAN Network Manager to set REM s parameters 114067 Rev A Configuring LNM Services Ring Parameter Server RPS The Bay Networks implementation of RPS is one of five LAN management servers you configure on a token ring circuit RPS provides the following main services e Sends initialization information to new stations that are attaching to the ring e Ensures that stations on the ring have consistent values for operating parameters e Forwards registration information from stations attaching to the ring to the IBM LAN Network Manager application RPS also supports the following functions e Status Request Functi
39. n in the Protocols menu Example Pin 7 19 20 Indicates that you enter only one of the parts of the command The vertical line separates choices Do not type the vertical line when entering the command Example If the command syntax is show at routes nets you enter either show at routes or show at nets but not both Xiv 114067 Rev A Acronyms ANSI ARP ATM CMIP EGP FDDI IEEE ILI IS IS LNM MAC MOP OSI OSPF PVCs QENET RIP SMDS SNAP SNMP SRM SVCs TCP IP TFTP About This Guide American National Standards Institute Address Resolution Protocol Asynchronous Transfer Mode Common Management Information Protocol Exterior Gateway Protocol Fiber Distributed Data Interface Institute of Electrical and Electronic Engineers intelligent link interface Intermediate System to Intermediate System LAN network manager media access control Maintenance Operations Protocol Open Systems Interconnection Open Shortest Path First permanent virtual circuits Quad Ethernet Link Module Routing Information Protocol Switched Multimegabit Data Services Subnetwork Access Protocol Simple Network Management Protocol system resource modules switched virtual circuits Transmission Control Protocol Internet Protocol Trivial File Transfer Protocol 114067 Rev A XV Configuring LNM Services Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publ
40. n xix AP UN TII are essen xx Melle balsa e m XX MOFFAT mE xxi How to Bei Fa ee xxi Chapier 1 LNM Servers Overview BM LAN Network Manager ae 1 1 Eoen kelan e E 1 3 Newark ida ServieBB uuu odd d e i PARE QU AES AA 1 3 LAN Management Sell zen 1 3 LAN Reporting Mecha LRI ner 1 6 Reporting Link Maintenance Function ssssssssseeeeeeennen 1 6 GO FONCION garana S o nando eee ian aedeeaaet al alaats 1 7 Rouino PUNENON rasen 1 8 Domician AND DEN nes ee 1 8 Gecti FUCO me 1 9 114067 Rev A V Protocol Boundary FUNGUO rece tasatsr Er etie ao era RHOD ERA OC DR Fred ardt 1 9 LES RESUISDENIE S near 1 9 Rio Eror Momor TRE M use 1 11 Hard moar Frocessing FUNGUO aes ot bct S Did e a e EE abd pata dc 1 11 Soft Error Processing Function e 1 11 Fin Parameter Server IRI ieee a aS 1 14 SENI a dg D 1 14 Ring Station Parameters Maintenance Function sesessssss 1 14 Pesialtalam FUTE WO dod ebene 1 14 RPS Actas FOPGUOD aan 1 15 Sonnautalloh Report Serve CRS iin 1 15 Station Status Reguest FUGO unsere 1 15 Ser station Parameters FUNGUO sun 1 16 Remove Staton FUNCION een ee 1 16 ori visilplg si pe a a a DT 1 16 Communication Function Tn nm 1 16 LAN Bdge Server LBS een Alien 1 16 Status BERUEST FONGO anno 1 17 Set Parameters FUNCION unse 1 17 Dicite FUNCH ae 1 17 Bridge Performance Monitoring Function PIERRE TEEN PR 1 17
41. nager 3 4 11 protocol boundary function LRM 1 9 R receiver congestion error reporting function REM 1 13 redundant servers on a ring 2 6 reference materials 1 17 registration function RPS 1 14 remove station function CRS 1 16 reporting link maintenance function LRM 1 6 reporting links 1 16 Ring Error Monitor REM hard error processing function 1 11 intensive mode reporting function 1 13 isolating soft error processing 1 12 non isolating soft error processing function 1 12 overview 1 11 to 1 13 receiver congestion error reporting function 1 13 set parameters function 1 13 soft error processing 1 11 reporting 1 12 status request function 1 13 Ring Parameter Server RPS activation function 1 15 overview 1 14 to 1 15 registration function 1 14 ring station parameters maintenance function 1 14 status request function 1 14 ring station parameters maintenance function RPS 1 14 ring wide services 1 2 routing function LRM 1 8 Index 4 114067 Rev A S security function LRM 1 9 passwords 2 6 2 6 server functional addresses 1 4 servers Configuration Report Server CRS 1 15 LAN Bridge Server LBS 1 16 LAN Reporting Mechanism LRM 1 6 to 1 10 LLC requirements 1 9 to 1 10 per ring 2 6 Ring Error Monitor REM 1 11 Ring Parameter Server RPS 1 14 set parameters function CRS 1 16 LBS 1 17 REM 1 13 setting Bay Networks parameters 2 5 soft error proce
42. nation address for all soft error reports generated by ring stations Hard error reports are sent to the all stations MAC address and examined by the REM hard error analysis program REM supports the following functions e Hard Error Processing Function e Soft Error Processing Function Hard Error Processing Function The REM Hard Error Processing Function detects and reports hard errors Hard errors are permanent or temporary faults usually in equipment attached to a ring Permanent hard errors cannot be corrected by software temporary hard errors can be corrected by software Hard errors typically cause a ring to cease operating A ring station downstream from the faulty station recognizes a hard error and transmits Beacon MAC frames at specified intervals until the faulty station removes itself from the affected ring Soft Error Processing Function The REM Soft Error Processing Function determines whether a nonrandom or excessive soft error condition is occurring on the ring to which REM is attached If possible REM isolates the most probable source of the soft errors to a single fault domain where fault domain consists of a ring station its Next Active Upstream Neighbor and the media between them The REM Soft Error Processing Function includes the following additional functions e Soft Error Reporting Function e Nonisolating Soft Error Processing Function e Isolating Soft Error Processing Function e Intensive Mode Re
43. ntillion and Xylogics business units Central management and sponsorship of this FTP site lets you quickly locate information on any of your Bay Networks products 114067 Rev A xix Configuring LNM Services Support Source CD This CD ROM sent quarterly to all contracted customers is a complete Bay Networks Service troubleshooting knowledge database with an intelligent text search engine The Support Source CD contains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete information on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windows 95 Windows NT DOS or UNIX computing platforms A Web links feature enables you to go directly from the CD to various Bay Networks Web pages CompuServe For assistance with noncritical network support issues Bay Networks Information Services maintain an active forum on CompusServe a global bulletin board system This forum provides file services technology conferences and a message section to get assistance from other users The message section is monitored by Bay Networks engineers who provide assistance wherever possible Customers and resellers holding Bay Networks service contracts also have access to special libraries for advanced levels of support documen
44. o switch RPS on if previously disabled 1 3 6 1 4 1 18 3 5 12 2 1 11 CRS active Enable Enable Disable Switches the Configuration Report Server CRS on or off Switching CRS off curtails the maintenance of information on the configuration of its local ring With CRS off the IBM LAN Network Manager application cannot remove stations from the ring associated with that CRS Switching CRS on restores its operation on the local ring Select Disable to switch CRS off Select Enable to switch CRS on if previously disabled 1 3 6 1 4 1 18 3 5 12 2 1 13 114067 Rev A 4 9 Configuring LNM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Error Rate Threshold 128 10 to 256 Specifies when an excessive soft error threshold condition exists on the local ring An exceeded threshold indicates that Atleast one significant problem exists on the local ring Ring performance is eroding as a result of this problem Exceeding the threshold causes REM to notify the IBM LAN Network Manager of the error ring performance condition The notification appears as a Weight Threshold event you can view and interpret through the Events Manager Once you determine the typical noncritical or tolerable error characteristics of a ring you can set an Error Rate Threshold that provides adequate warning of legitimate performance d
45. of an interface once enabled further depends on The current state of the associated circuit The current state of the LNM Servers slot wide protocol process Disable Forces LNM Servers on this slot into the down inoperative state Select Enable if you previously set this parameter to Disable and now wish to re enable LNM Server operation on the associated physical circuit Select Disable only if you wish to disable LNM Server operation on the associated circuit Setting this parameter to Disable does not interfere with the ability of the IBM LAN Network Manager application to communicate with other management servers in the same source routing network 1 3 6 1 4 1 18 3 5 12 2 1 2 LRM active Enable Enable Disable Use this parameter to switch the LAN Reporting Mechanism on or off Select Disable to switch LRM off Switching off this LRM server breaks off the local reporting links to the Controlling and Observing IBM LAN Network Manager applications This action has no effect on the reporting links associated with other rings in the same source routing network Select Enable to switch LRM on 1 3 6 1 4 1 18 3 5 12 2 1 6 114067 Rev A 4 7 Configuring LNM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Internal MAC Addr None Any valid unique 48 bit MAC address in MSB Token Ring
46. of which supports a set of LNM Servers Each set of Servers in turn monitors activity on a locally attached token ring segment The diagram shows the locations logically associated with the Internal and External MAC addresses required by an IBM LAN Network Manager workstation for each LNM capable bridge on a router The diagram also shows the locations logically associated with the Internal LAN ID and the external Ring IDs 2 2 114067 Rev A LNM Servers Implementation Notes at Token Ring Ring ID IBM LAN Network Manager Workstation External MAC Bay Networks Router Internal MAc SR Bridge w Servers Internal LAN ID D E Sons External E N w Servers MAC 5 F o g X 3 SR Bridge Internal MAC w Sons External Ring ID MAC Note IBM LAN Network Manager displays the ID of the Bay Networks Internal LAN as a segment of its Segment List The IBM LAN Network Manager 1 1 Token Ring Ring ID graphical representation of your network does not display source routing bridges not defined with associated Bay Networks LNM Servers LNM0004A Figure 2 1 Source Routing LNM and Line Parameters Internal MAC Address Internal MAC Address is an LNM Servers interface level parameter You must enter an internal MAC address when you initially add an LNM Servers interface to the router configuration 114067 Rev A 2 3 Configuring LNM Services The only requirement for th
47. oftware available for use by any third party Neither title nor ownership to Software passes to licensee Licensee shall not provide or otherwise make available any Software in whole or in part in any form to any third party Third parties do not include consultants subcontractors or agents of licensee who have licensee s permission to use the Software at licensee s facility and who have agreed in writing to use the Software only in accordance with the restrictions of this license Third party owners from whom Bay Networks has acquired license rights to software that is incorporated into Bay Networks products shall have the right to enforce the provisions of this license against licensee Licensee shall not remove or obscure any copyright patent trademark trade secret or similar intellectual property or restricted rights notice within or affixed to any Software and shall reproduce and affix such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license 114067 Rev A iii Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify Bay Networks in writ
48. on e Ring Station Parameters Maintenance Function e Registration Function RPS Activation Function Status Request Function The RPS Status Request Function accepts and executes requests for status from the IBM LAN Network Manager application Ring Station Parameters Maintenance Function The RPS Ring Station Parameters Maintenance Function issues commands to set parameter values in ring stations The ring station operational parameters controlled by RPS are e Ring number e Soft error report timer Registration Function The RPS Registration Function accepts unsolicited registration information from ring stations and forwards this information to the IBM LAN Network Manager application through LRM RPS also responds to the station s request for registration by sending the current values for the ring s operational parameters to the requesting station 114067 Rev A LNM Servers Overview RPS Activation Function When a Ring Parameter Server becomes active on a ring it determines if another RPS is already active on the ring If another RPS is not active on the same ring the RPS in the attaching station activates its Ring Station Parameters Maintenance Function It then broadcasts an Initialize Ring Station MAC frame a predetermined number of times to all stations on the same ring This mechanism facilitates the establishment of default ring operational parameters If another RPS is already active on the same ring the new R
49. porting Function 114067 Rev A Configuring LNM Services e Receiver Congestion Error Reporting Function e Status Request Function e Set Parameters Function Soft Error Reporting Function REM performs error detection and isolation by analyzing soft error MAC frames that are periodically sent by ring stations experiencing errors These MAC frames are sent to the functional address assigned to REM REM analyzes the soft error frames as they arrive and determines whether soft errors are occurring at a rate that potentially or currently degrades the performance of the ring When REM detects such a condition it notifies the IBM LAN Network Manager and when possible provides data indicating the probable source of the error The error counters included in a soft error MAC frame sent by a station are divided into two types isolating and nonisolating which correspond to the type of error being reported The source of an isolating error can be isolated to a fault domain the source of a nonisolating error cannot be isolated to a domain smaller than the ring Nonisolating Soft Error Processing Function Nonisolating errors can be isolated only to the ring on which they occur A counter is kept for each type of nonisolating error that is reported to REM in soft error MAC frames Some internal error counters are also treated as nonisolating errors If one of these counters exceeds a threshold value a notification is sent through LRM to the
50. r Bridge parameters could not be set for the listed reason n eporting Link 0 8 DFIPD456E In this example the Reporting Link number is 0 and the Reason Code is 8 which means that the Bay Networks router rejected the SET operation For more information on messages of this type refer to the JBM LAN Network Manager User s Guide 114067 Rev A 2 5 Configuring LNM Services Number of RPS Servers per Ring The IBM Token Ring Network Architectural Reference specifies that only one RPS server should exist on each token ring segment You must ensure that among all Bay Networks bridges and other bridges on a given segment only one RPS server is enabled Redundant Servers on a Ring The IBM LAN Network Manager workstation might have its own set of management servers monitoring the segment locally attached to that workstation Refer to Figure 2 1 If this is true then you need not enable the LNM Servers on the Bay Networks source routing bridge interface to the same segment Passwords Bay Networks system software includes ASCH password functionality for the Controlling and Observing IBM LAN Network Manager applications You can use the password parameters of the LNM Servers Interfaces screen to support password only access for up to four authorized Reporting Links to the LRM Server for a given bridge LRM can communicate with the Controlling IBM LAN Network Manager and up to three Observing IBM LAN Network Managers T
51. rvers on the local Bay Networks bridge you can enable autolinking on the IBM LAN Network Manager It can then reopen the failed reporting link when the Bay Networks LNM Servers interface becomes active on the ring 1 6 114067 Rev A LNM Servers Overview You can also set the Auto link time interval in the IBM LAN Network Manager System Parameters to a value that achieves the best balance between the amount of time in which you require access to the Bay Networks LNM Servers on the desired segment and the potential traffic generated by periodic attempts to reestablish the failed reporting link You can also disable autolinking on an unnecessary reporting link Control Function The LRM Control Function allows the LAN reporting mechanism to define e One IBM LAN Network Manager as the controlling manager e One or more IBM LAN Network Managers as noncontrolling or observing IBM LAN Network Managers LRM maintains communication between its local management servers and all authorized IBM LAN Network Manager entities The LNM Servers include authorization password functionality described later in this chapter Figure 1 2 shows one LRM server reporting to multiple IBM LAN Network Manager clients with only one client controlling the functions and actions of the management servers Figure 1 2 also shows three Observing LAN Network Managers which are described later in this chapter 114067 Rev A Configuring LNM Services
52. ssing error types 1 12 isolating REM 1 12 non isolating REM 1 12 weight parameter 1 12 soft error reporting function REM 1 12 status request function CRS 1 15 LBS 1 17 REM 1 13 RPS 1 14 Support Source CD xx W weight parameter 1 12 4 10 weight threshold 4 10 World Wide Web Bay Networks home page on xix Index 114067 Rev A Index 5
53. t settings valid parameter options the parameter function instructions for setting the parameter and the Management Information Base MIB object ID 114067 Rev A 4 1 Configuring LNM Services The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB object ID This process is equivalent to modifying parameters using Site Manager For more information about using the Technician Interface to access the MIB refer to Using Technician Interface Software Caution The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration Accessing LNM Servers Parameters To edit LNM Servers global or interface parameters you begin from the Configuration Manager window Select Protocols gt LNM Servers to invoke the LNM Servers options submenu i Configuration Manager g1 File Options Circuits Protocols Dialup Window Help Confi ron Wade Global Protocols gt onfiguration Mode loc Agent ppc ource Routing gt File Name exiLLCZ gt Model BackLNM Servers gt Global MIB Version x9 00 aerae Delete LMM Servers Use Unused Slot Description Connectors CONSOLE 5710 Dual Token Ring 4 16Mb NONE Empty Slot NONE NONE NONE Figure 4 1 Configuration Manager Window 4 2 114067 Rev A Editing LNM Servers Parameters Editing LNM Servers Global Parameters To edit th
54. tation and software To take advantage of CompuServe s recently enhanced menu options the Bay Networks Forum has been re engineered to allow links to our Web sites and FTP sites We recommend the use of CompuServe Information Manager software to access these Bay Networks Information Services resources To open an account and receive a local dial up number in the United States call CompuServe at 1 800 524 3388 Outside the United States call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET XX 114067 Rev A InfoFACTS Technical Support and Online Services InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The system responds to a fax from the caller or to a third party within minutes of being accessed To use InfoFACTS in the United States or Canada call toll free 1 800 786 3228 Outside North America toll calls can be made to 1 408 764 1002 In Europe toll free numbers are also available for contacting both InfoFACTS and CompuServe Please check our Web page for the listing in your country How to Get Help Use the following numbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Num
55. tion Manager accessing LNM server parameters 4 2 deleting server from circuit 4 12 deleting servers from node 4 12 Index editing LNM servers global parameters 4 3 to 4 4 editing LNM servers interface parameters 4 5 to 4 11 window 4 2 Configuration Report Server CRS active parameter 4 9 communication function 1 16 notification function 1 16 overview 1 15 to 1 16 remove station function 1 16 set station parameters function 1 16 station status request function 1 15 configuring LNM servers accessing parameters 4 2 editing global parameters 4 3 to 4 4 interface parameters 4 5 to 4 11 IBM LAN Network Manager requirements 2 2 to 2 5 initial configuration 2 1 to 2 5 control function LRM 1 7 control manager password parameter 4 10 Customer Service FTP xix customer support See getting help D defaults LNM parameters A 1 deleting LNM servers from a circuit 4 12 from the node globally 4 12 114067 Rev A Index 1 Configuring LNM Services E editing LNM server parameters accessing parameters 4 2 deleting server from circuit 4 12 deleting servers from node 4 12 global 4 3 to 4 4 interface 4 5 to 4 11 overview 4 1 enable global parameter 4 4 enable interface parameter 4 7 error rate threshold parameter 4 10 external MAC address 2 4 to 2 5 F functional addresses Configuration Report Server CRS 1 4 Ring Error Monitor REM 1 4 Ring Parameter Server RPS 1 4
56. ysical LAN it helps to observe or control Table 1 1 Table 1 1 MAC Sublayer Servers and Their Functional Addresses MAC Sublayer Server Functional Address REM C00000000008 RPS C00000000002 CRS C00000000002 LRM and LBS are not MAC sublayer servers and hence have no MAC functional address LRM and LBS are addressed by means of LLC2 sessions and a protocol internal to the LNM Servers interface Ring stations send frames onto the ring to report various conditions These are MAC frames and are sent to a particular functional address The functional addresses of the management servers REM RPS and CRS are reserved by IBM for this purpose For more information on functional addresses refer to the JBM Token Ring Network Architecture Reference Figure 1 1 shows the five servers as LLC and MAC sublayer components configured on a token ring circuit The servers are configured on the same circuit as the source routing bridge interface for the locally attached ring 1 4 114067 Rev A LNM Servers Overview LLC2 gt LLC2 Frames os pad l gle D gt os Internal Protocol a lt 5 zo i MAC c MAC Frames Physical Layer 802 5 Token Ring LAN LNM0001A Figure 1 1 The LNM Servers The following sections provide an overview of the five management servers 114067 Rev A 1 5 Configuring LNM Services LAN Reporting Mechanism LRM The Bay Networks implementation of LRM is one of f
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