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OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide December 2007 iii
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 ..............................................................................................................1-7
OSPF Areas ..............................................................................................................1-8
Classification of Routers ..........................................................................................1-9
Virtual Links ............................................................................................................1-9
Stub Areas ..............................................................................................................1-10
Not-So-Stubby-Areas ......................................................................................1-11
Totally Stubby Areas .......................................................................................1-11
Equal Cost Multi-Path (ECMP) Routing ...............................................................1-12
Non Broadcast OSPF Routing ................................................................................1-12
Graceful Restart on Stacks with Redundant Switches ...........................................1-13
Graceful Restart on Switches with Redundant CMMs ..........................................1-14
Configuring OSPF .........................................................................................................1-15
Preparing the Network for OSPF ...........................................................................1-16
Activating OSPF ....................................................................................................1-16
Creating an OSPF Area ..........................................................................................1-17
Configuring Stub Area Default Metrics .................................................................1-19
Creating OSPF Interfaces .......................................................................................1-20
Interface Authentication .........................................................................................1-21
Creating Virtual Links ............................................................................................1-22
Configuring Redistribution ....................................................................................1-23