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  • Part No. 060216-10, Rev. BOctober 2006

    OmniSwitch 6800 SeriesOmniSwitch 6850 SeriesOmniSwitch 9000 Series

    Advanced RoutingConfiguration Guide

    www.alcatel.com

    OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide October 2006 i

  • This user guide documents release 6.1.3 of the OmniSwitch 6800 Series, OmniSwitch 6850 Series, and OmniSwitch 9000 Series.

    The functionality described in this guide is subject to change without notice.

    Copyright 2006 by Alcatel Internetworking, Inc. All rights reserved. This document may not be repro-duced in whole or in part without the express written permission of Alcatel Internetworking, Inc.

    Alcatel and the Alcatel logo are registered trademarks of Alcatel. Xylan, OmniSwitch, OmniStack, and Alcatel OmniVista are registered trademarks of Alcatel Internetworking, Inc.

    OmniAccess, Omni Switch/Router, PolicyView, RouterView, SwitchManager, VoiceView, WebView, X-Cell, X-Vision, and the Xylan logo are trademarks of Alcatel Internetworking, Inc.

    This OmniSwitch product contains components which may be covered by one or more of the following U.S. Patents:

    U.S. Patent No. 6,339,830 U.S. Patent No. 6,070,243 U.S. Patent No. 6,061,368 U.S. Patent No. 5,394,402 U.S. Patent No. 6,047,024 U.S. Patent No. 6,314,106 U.S. Patent No. 6,542,507 U.S. Patent No. 6,874,090

    26801 West Agoura RoadCalabasas, CA 91301

    (818) 880-3500 FAX (818) [email protected]

    US Customer Support(800) 995-2696International Customer Support(818) 878-4507

    Internethttp://eservice.ind.alcatel.com

    ii OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide October 2006

  • Contents

    About This Guide .......................................................................................................... ix

    Supported Platforms .......................................................................................................... ix

    Who Should Read this Manual? ......................................................................................... x

    When Should I Read this Manual? ..................................................................................... x

    What is in this Manual? ...................................................................................................... x

    What is Not in this Manual? ............................................................................................... x

    How is the Information Organized? .................................................................................. xi

    Documentation Roadmap .................................................................................................. xi

    Related Documentation ...................................................................................................xiii

    User Manual CD .............................................................................................................. xv

    Technical Support ............................................................................................................ xv

    Chapter 1 Configuring OSPF .......................................................................................................1-1

    In This Chapter ................................................................................................................1-1

    OSPF Specifications ........................................................................................................1-2

    OSPF Defaults Table .......................................................................................................1-3

    OSPF Quick Steps ...........................................................................................................1-4

    OSPF Overview ..............................................................................................................1-8OSPF Areas ..............................................................................................................1-9Classification of Routers ........................................................................................1-10Virtual Links ..........................................................................................................1-10Stub Areas ..............................................................................................................1-11

    Not-So-Stubby-Areas ......................................................................................1-12Totally Stubby Areas .......................................................................................1-12

    Equal Cost Multi-Path (ECMP) Routing ...............................................................1-13Non Broadcast OSPF Routing ................................................................................1-13Graceful Restart on Stacks with Redundant Switches ...........................................1-14Graceful Restart on Switches with Redundant CMMs ..........................................1-15

    Configuring OSPF .........................................................................................................1-16Preparing the Network for OSPF ...........................................................................1-17Activating OSPF ....................................................................................................1-17Creating an OSPF Area ..........................................................................................1-18Configuring Stub Area Default Metrics .................................................................1-20Creating OSPF Interfaces .......................................................................................1-21Interface Authentication .........................................................................................1-22Creating Virtual Links ............................................................................................1-24

    OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide October 2006 iii

  • Contents

    Configuring Redistribution ...........................................................................................1-25Using Route Maps ...........................................................................................1-25Configuring Route Map Redistribution ...........................................................1-29Route Map Redistribution Example ................................................................1-30

    Configuring Router Capabilities ............................................................................1-30Configuring Static Neighbors .................................................................................1-32Configuring Redundant Switches in a Stack for Graceful Restart .........................1-33Configuring Redundant CMMs for Graceful Restart .............................................1-34

    OSPF Application Example ..........................................................................................1-35Step 1: Prepare the Routers .............................................................................1-36Step 2: Enable OSPF .......................................................................................1-37Step 3: Create and Enable the Areas and Backbone ........................................1-37Step 4: Create, Enable, and Assign Interfaces .................................................1-39Step 5: Examine the Network ..........................................................................1-41

    Verifying OSPF Configuration .....................................................................................1-42

    Chapter 2 Configuring OSPFv3 ...................................................................................................2-1

    In This Chapter ................................................................................................................2-1

    OSPFv3 Specifications ....................................................................................................2-2

    OSPFv3 Defaults Table ...................................................................................................2-3

    OSPFv3 Quick Steps .......................................................................................................2-4

    OSPFv3 Overview ..........................................................................................................2-8OSPFv3 Areas ..........................................................................................................2-9Classification of Routers ........................................................................................2-10Virtual Links ..........................................................................................................2-10Stub Areas ..............................................................................................................2-11Equal Cost Multi-Path (ECMP) Routing ...............................................................2-12

    Configuring OSPFv3 .....................................................................................................2-13Preparing the Network for OSPFv3 .......................................................................2-14Activating OSPFv3 ................................................................................................2-14Creating an OSPFv3 Area ......................................................................................2-15Configuring Stub Area Default Metrics .................................................................2-17Creating OSPFv3 Interfaces ...................................................................................2-17Creating Virtual Links ................................................................

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