Cisco ASR 9000 Series

ModificationRelease
Support was added for the following features:
•
OSPFv2 VRF Lite
•
OSPFv3 Timers Update
Release 4.3.0
Support was added for the following features:
•
OSPFv2 Segment Routing Topology Independent Fast
Reroute
•
64 ECMP for ASR 9000 Enhanced Ethernet Line Card
Release 5.3.0
Support was added for the following features:
•
OSPF strict-mode Support for BFD Dampening
•
OSPF FIB Download Notification
Release 5.3.2
The following features were supported:
•
Excessive Punt Flow Trap Processing
Release 6.0.1
•
Prerequisites for Implementing OSPF , page 406
•
Information About Implementing OSPF , page 407
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How to Implement OSPF , page 435
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Configuring IP Fast Reroute Loop-free Alternate, page 488
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Configuration Examples for Implementing OSPF , page 491
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Where to Go Next, page 498
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Additional References, page 498
Prerequisites for Implementing OSPF
The following are prerequisites for implementing OSPF on Cisco IOS XR software:
•
You must be in a user group associated with a task group that includes the proper task IDs. The command
reference guides include the task IDs required for each command. If you suspect user group assignment
is preventing you from using a command, contact your AAA administrator for assistance.
•
Configuration tasks for OSPFv3 assume that you are familiar with IPv6 addressing and basic
configuration. See the Implementing Network Stack IPv4 and IPv6 on Cisco ASR 9000 Series Router
module of the Cisco ASR 9000 Series Aggregation Services Router IP Addresses and Services
Configuration Guide for information on IPv6 routing and addressing.
•
Before you enable OSPFv3 on an interface, you must perform the following tasks:
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
406
Implementing OSPF
Prerequisites for Implementing OSPF