omniswitch aos release 7 advanced routing static neighbors ... configuring aggregate routes ......

Part No. 060320-10, Rev. FDecember 2012

OmniSwitch AOS Release 7 Advanced Routing

Configuration Guide

www.alcatel-lucent.com

This user guide documents AOS Release 7 for the OmniSwitch 10K and OmniSwitch 6900.The functionality described in this guide is subject to change without notice.

Copyright 2012 by Alcatel-Lucent. All rights reserved. This document may not be reproduced in whole or in part without the express written permission of Alcatel-Lucent.

Alcatel-Lucent and the Alcatel-Lucent logo are registered trademarks of Alcatel-Lucent. Xylan, OmniSwitch, OmniStack, and Alcatel-Lucent OmniVista are registered trademarks of Alcatel-Lucent.

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

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

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ii OmniSwitch AOS Release 7 Advanced Routing Configuration Guide December 2012

Contents

About This Guide .......................................................................................................... xi

Supported Platforms .......................................................................................................... xi

Who Should Read this Manual? ........................................................................................ xi

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

What is in this Manual? ..................................................................................................... xi

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

How is the Information Organized? ................................................................................. xii

Documentation Roadmap ................................................................................................xiii

Related Documentation .................................................................................................... xv

Technical Support ........................................................................................................... xvi

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 ..............................................................................................................1-7OSPF Areas ..............................................................................................................1-8Classification of Routers ..........................................................................................1-9Virtual Links ............................................................................................................1-9Stub Areas ..............................................................................................................1-10

Not-So-Stubby-Areas ......................................................................................1-11Totally Stubby Areas .......................................................................................1-11

Equal Cost Multi-Path (ECMP) Routing ...............................................................1-12Non Broadcast OSPF Routing ................................................................................1-12Graceful Restart on Switches with Redundant CMMs ..........................................1-12

Configuring OSPF .........................................................................................................1-14Preparing the Network for OSPF ...........................................................................1-15Activating OSPF ....................................................................................................1-15Creating an OSPF Area ..........................................................................................1-16Configuring Stub Area Default Metrics .................................................................1-18Creating OSPF Interfaces .......................................................................................1-19Interface Authentication .........................................................................................1-20Creating Virtual Links ............................................................................................1-22

Using Route Maps ...........................................................................................1-22Configuring Route Map Redistribution ...........................................................1-26Route Map Redistribution Example ................................................................1-28

OmniSwitch AOS Release 7 Advanced Routing Configuration Guide December 2012 iii

Contents

Configuring Router Capabilities ............................................................................1-29Configuring Static Neighbors .................................................................................1-30Configuring Redundant CMMs for Graceful Restart .............................................1-31

OSPF Application Example ..........................................................................................1-32Step 1: Prepare the Routers .............................................................................1-33Step 2: Enable OSPF .......................................................................................1-34Step 3: Create the Areas and Backbone ..........................................................1-34Step 4: Create, Enable, and Assign Interfaces .................................................1-35Step 5: Examine the Network ..........................................................................1-36

Verifying OSPF Configuration .....................................................................................1-37

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 .................................................................2-16Creating OSPFv3 Interfaces ...................................................................................2-16Creating Virtual Links ............................................................................................2-17Configuring Redistribution ....................................................................................2-18

Using Route Maps ...........................................................................................2-19Configuring Route Map Redistribution ...........................................................2-22

Configuring Router Capabilities ............................................................................2-24

OSPFv3 Application Example ......................................................................................2-25Step 1: Prepare the Router