Avaya Configuring Interface and Router Redundancy User Manual

Configuring Interface andRouter Redundancy Router Software Version 10.0Site Manager Software Version 4.0Part No. 112916 Rev. AJanuary 1996

xi Tables Table 2-1. Redundancy Protocol PDU Flow Diagram for Role Bidding ...2-2Table 2-2. Redundancy Protocol PDU Flow Diagram fo

xiii About This Guide Bay Networks redundancy services enhance router resilience by enabling a router to recover from either interface or router fail

Configuring Interface and Router Redundancyxiv Bay Networks Customer Support Bay Networks provides live telephone technical support to our distribut

About This Guidexv To open an account and receive a local dial-up number, call CompuServe at 1-800-524-3388 and ask for Representative No. 591.• In t

Configuring Interface and Router Redundancyxvi How to Get Help For additional information or advice, contact the Bay Networks Technical Response Cent

About This Guidexvii Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications, order by p

1-1 Chapter 1Interface Redundancy Overview Interface redundancy provides backup of one interface by another within a single router. It protects your

4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1988–1996 Bay Networks, Inc. All rights reserved. Pr

Configuring Interface and Router Redundancy1-2 Interface Roles Bay Networks interface redundancy software determines which interface in a redundancy

Interface Redundancy Overview1-3 During normal data transfer, if the active interface fails, the following interfaces become active, in this order:1.

Configuring Interface and Router Redundancy1-4 Active Interface MAC Address When you configure interface redundancy, the active interface uses the fol

2-1 Chapter 2Router Redundancy Overview Router redundancy protects a network from irrecoverable failures of an entire router. You configure routers to

Configuring Interface and Router Redundancy2-2 Redundancy Protocol Routers in a redundancy group all begin in the secondary role. They use a bidding

Router Redundancy Overview2-3 The primary router periodically checks that it is functioning normally. If the primary router is not functioning proper

Configuring Interface and Router Redundancy2-4 Table 2-2. Redundancy Protocol PDU Flow Diagram for SOS PDUs Router A PDU Router B Router A, currently

Router Redundancy Overview2-5Role ChangeA router may change out of the primary role because of router failure, failure of one or more interfaces, or b

3-1Chapter 3Implementation NotesThis chapter provides information about special features of Bay Networks interface and router redundancy.Planning Your

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Configuring Interface and Router Redundancy3-2b. Each member ID must be unique within the group. Role-changing rules use the member IDs to reassign ro

Implementation Notes3-3Using Interface and Router Redundancy in CombinationUse interface redundancy with router redundancy to provide combined protect

Configuring Interface and Router Redundancy3-4Clear FunctionThe Clear function allows you to clear all protocols from all circuits that have router re

4-1Chapter 4Configuring Interface RedundancyThis chapter describes how to configure interface redundancy. It assumes you have read Configuring Routers an

Configuring Interface and Router Redundancy4-2Figure 4-1. Add Circuit Window2.Select as many other available LAN interfaces of the same type as you wa

Configuring Interface Redundancy4-3Figure 4-2. Edit Connector Window7.Select Edit Circuit. The Circuit Definition window appears (Figure 4-3).Figure 4-

Configuring Interface and Router Redundancy4-48.In the Circuit Definition window, select Lines➔Interface Redundancy➔ Primary Interface.The Select Prima

Configuring Interface Redundancy4-5Figure 4-5. Circuit Definition Window with Primary Interface10.Select File➔Exit to exit the Circuit Definition window

Configuring Interface and Router Redundancy4-63.To add an interface, select an available line of the same LAN type as the other members of the group.

5-1Chapter 5Configuring Router RedundancyThis chapter describes how to configure router redundancy. It assumes you have read Configuring Routers and Chap

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Configuring Interface and Router Redundancy5-2The instructions in this chapter assume that you want to create a router redundancy group consisting of

Configuring Router Redundancy5-32. Enter template as the filename.The standard router window appears. 3. Select a router.The Configuration Manager windo

Configuring Interface and Router Redundancy5-4Figure 5-3. Select Protocols Window8. Scroll through the list and select Router Redundancy. You can also

Configuring Router Redundancy5-5The Enable and Send PDU Enable parameters are set to Enable, as they must be for router redundancy to work. 10. Enter

Configuring Interface and Router Redundancy5-613.Click on OK.The Configuration Manager window appears. The circuits you configured for router redundancy

Configuring Router Redundancy5-7 Parameter: Send PDU Enable Default: Enable Options: Enable | Disable Function: Enables or disables sending of router

Configuring Interface and Router Redundancy5-8 Parameter: Group ID Default: 1 Range: 1 to 128 Function: Specifies the identification number for the redu

Configuring Router Redundancy5-9 Parameter: Timeout Threshold Default: 5 Range: 1 to 100 Function: Specifies the number of time periods during which th

Configuring Interface and Router Redundancy5-10 Parameter: Role Switch Delay Period Default: 5 seconds Range: 1 to 86,400 seconds Function: Currently

Configuring Router Redundancy5-11Figure 5-6. RREDUND Router Redundancy Resource List Window2.Click on Add.The Router Redundancy Resource window appear

v Contents About This Guide Before You Begin ...

Configuring Interface and Router Redundancy5-123.Enter the IP address of the device you wish to configure as a resource for this router redundancy grou

Configuring Router Redundancy5-13 Parameter: Ping Interval Default: 600 seconds Range: 1 to 86,399 seconds Function: Specifies the amount of time, in s

Configuring Interface and Router Redundancy5-14Applying a Group Configuration FileTo apply the group configuration file template to each member of a rout

Configuring Router Redundancy5-15Figure 5-9. Configuration Manager Window for Member ConfigurationThe R.R. Member Global Parameters Configuration window

Configuring Interface and Router Redundancy5-16Figure 5-10. R.R. Member Global Parameters Configuration Window5.Enter values for the member global para

Configuring Router Redundancy5-178. Enter “Alpha” as the filename and click on Primary Save.Site Manager appends the .pri suffix to the filename and then

Configuring Interface and Router Redundancy5-18 Parameter: Member ID Default: 1 Range: 1 to 128 Function: Specifies the identification number for this m

Configuring Router Redundancy5-19 Parameter: Force Role Switch Default: Don’t Switch Options: Don’t Switch | Switch Function: Forces a router to switc

Configuring Interface and Router Redundancy5-20Sending the Configuration Files to the RoutersYou have now created four configuration files for routers Al

A-1Appendix ASite Manager Default Parameter SettingsThis appendix lists the Site Manager default parameter settings for router redundancy group global

viRole Change ...2-5Router Failure

Configuring Interface and Router RedundancyA-2Table A-2. Router Redundancy Member Global ParametersParameter DefaultEnable EnableMember ID 1Priority 1

B-1Appendix BRouter Redundancy ExamplesThis appendix contains three examples of router configurations that use router redundancy.Example 1: Two Routers

Configuring Interface and Router RedundancyB-2Possible ScenariosThe sections below describe possible scenarios and how they would affect the redundant

Router Redundancy ExamplesB-3Possible ComplicationsRouter Boots and Cannot Detect Another MemberIf a member of a router redundancy group boots and can

Configuring Interface and Router RedundancyB-4Example 2: Three Routers at the Same SiteFigure B-2 illustrates a router redundancy group with three rou

Router Redundancy ExamplesB-5Example 3: Router Redundancy with Wide Area NetworksBay Networks router redundancy services do not currently allow configu

Configuring Interface and Router RedundancyB-6To provide redundancy for this wide area network (WAN):1. Define the remote interface on the other side o

C-1Appendix CWorksheets for Configuring Router RedundancyThese worksheets assume a router redundancy group of three routers. Use them to plan how to co

Configuring Interface and Router RedundancyC-2Table C-2. Resource Planning WorksheetPlanning Issue/Parameter Router A Router B Router CEnable Status U

Index-1Symbols100-Mb Ethernet, 3-210-Mb Ethernet, 3-2Aactive interface, defined, 1-1adding interfaces to a group, 4-5applying a group configuration file,

vii Appendix A Site Manager Default Parameter SettingsAppendix B Router Redundancy Examples Example 1: Two Routers at the Same Site ...

Index-2FFDDI, 3-2Force Role Switch parameter, 5-19Ggetting helpfrom a Bay Networks Technical Response Center, xvithrough CompuServe, xivthrough InfoFA

Index-3Pparameter default settings, A-1PDU flow diagram, 2-2 to 2-4PDUs, 2-2Ping Interval parameter, 5-13Ping Retry Count parameter, 5-13Ping Timeout p

ix Figures Figure 4-1. Add Circuit Window .....................4-2Figure 4-2. Edit Conne