Part No. 060216-10, Rev. D June 2007 OmniSwitch 6800 Series OmniSwitch 6850 Series OmniSwitch 9000 Series Advanced Routing Configuration Guide www.alcatel-lucent.com This user guide documents release 6.1.5 of the OmniSwitch 6800 Series, OmniSwitch 6850 Series, and OmniSwitch 9000 Series and release 6.2.1 of the OmniSwitch 6850 Series. The functionality described in this guide is subject to change without notice. Copyright © 2007 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. OmniAccessTM, Omni Switch/RouterTM, PolicyViewTM, RouterViewTM, SwitchManagerTM, VoiceViewTM, WebViewTM, X-CellTM, X-VisionTM, 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 26801 West Agoura Road Calabasas, CA 91301 (818) 880-3500 FAX (818) 880-3505 support@ind.alcatel.com US Customer Support--(800) 995-2696 International Customer Support--(818) 878-4507 Internet--service.esd.alcatel-lucent.com ii OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide June 2007 Contents About This Guide .......................................................................................................... xi Supported Platforms .......................................................................................................... xi Who Should Read this Manual? ....................................................................................... xii When Should I Read this Manual? ................................................................................... xii What is in this Manual? .................................................................................................... xii What is Not in this Manual? ............................................................................................. xii How is the Information Organized? ................................................................................xiii Documentation Roadmap ................................................................................................xiii Related Documentation .................................................................................................... xv User Manual CD ............................................................................................................ xvii Technical Support .......................................................................................................... xvii 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 ..............................................................................................................1-8 OSPF Areas ..............................................................................................................1-9 Classification of Routers ........................................................................................1-10 Virtual Links ..........................................................................................................1-10 Stub Areas ..............................................................................................................1-11 Not-So-Stubby-Areas ......................................................................................1-12 Totally Stubby Areas .......................................................................................1-12 Equal Cost Multi-Path (ECMP) Routing ...............................................................1-13 Non Broadcast OSPF Routing ................................................................................1-13 Graceful Restart on Stacks with Redundant Switches ...........................................1-14 Graceful Restart on Switches with Redundant CMMs ..........................................1-15 Configuring OSPF .........................................................................................................1-16 Preparing the Network for OSPF ...........................................................................1-17 Activating OSPF ....................................................................................................1-17 Creating an OSPF Area ..........................................................................................1-18 Configuring Stub Area Default Metrics .................................................................1-20 Creating OSPF Interfaces .......................................................................................1-21 Interface Authentication .........................................................................................1-22 Creating Virtual Links ............................................................................................1-24 OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide June 2007 iii Contents Configuring Redistribution ....................................................................................1-25 Using Route Maps ...........................................................................................1-25 Configuring Route Map Redistribution ...........................................................1-29 Route Map Redistribution Example ................................................................1-30 Configuring Router Capabilities ............................................................................1-31 Configuring Static Neighbors .................................................................................1-32 Configuring Redundant Switches in a Stack for Graceful Restart .........................1-33 Configuring Redundant CMMs for Graceful Restart .............................................1-34 OSPF Application Example ..........................................................................................1-35 Step 1: Prepare the Routers .............................................................................1-36 Step 2: Enable OSPF .......................................................................................1-37 Step 3: Create and Enable the Areas and Backbone ........................................1-37 Step 4: Create, Enable, and Assign Interfaces .................................................1-39 Step 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 ..........................................................................................................2-8 OSPFv3 Areas ..........................................................................................................2-9 Classification of Routers ........................................................................................2-10 Virtual Links ..........................................................................................................2-10 Stub Areas ..............................................................................................................2-11 Equal Cost Multi-Path (ECMP) Routing ...............................................................2-12 Configuring OSPFv3 .....................................................................................................2-13 Preparing the Network for OSPFv3 .......................................................................2-14 Activating OSPFv3 ................................................................................................2-14 Creating an OSPFv3 Area ......................................................................................2-15 Configuring Stub Area Default Metrics .................................................................2-16 Creating OSPFv3 Interfaces ...................................................................................2-16 Creating Virtual Links ............................................................................................2-17 Configuring Redistribution ....................................................................................2-18 Using Route Maps ...........................................................................................2-19 Configuring Route Map Redistribution ...........................................................2-22 Configuring Router Capabilities ............................................................................2-24 OSPFv3 Application Example ......................................................................................2-25 Step 1: Prepare the Routers .............................................................................2-26 Step 2: Load OSPFv3 ......................................................................................2-27 Step 3: Create the Areas and Backbone ..........................................................2-28 Step 5: Examine the Network ..........................................................................2-29 Verifying OSPFv3 Configuration .................................................................................2-30 iv OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide June 2007 Contents Chapter 3 Configuring IS-IS ........................................................................................................ 3-1 In This Chapter ................................................................................................................3-1 IS-IS Specifications .........................................................................................................3-2 IS-IS Defaults Table ........................................................................................................3-3 IS-IS Quick Steps ............................................................................................................3-5 IS-IS Overview ................................................................................................................ 3-8 IS-IS Packet Types .................................................................................................3-10 IS-IS Areas .............................................................................................................3-10 Graceful Restart on Stacks with Redundant Switches ...........................................3-12 Configuring IS-IS ..........................................................................................................3-14 Preparing the Network for IS-IS ............................................................................3-14 Activating IS-IS ......................................................................................................3-15 Creating an IS-IS Area ID ......................................................................................3-16 Creating IS-IS Interfaces ........................................................................................3-16 Configuring the IS-IS Level ...................................................................................3-16 Enabling Summarization ........................................................................................3-18 Enabling IS-IS Authentication ........................................................ ...