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IOS XR manual
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Contents
Main
Implementing OSPF on Cisco IOS XR Software
Contents
Prerequisites for Implementing OSPF on Cisco IOS XR Software
Information About Implementing OSPF on Cisco IOS XR Software
OSPF Functional Overview
Key Features Supported in the Cisco IOS XR OSPF Implementation
Comparison of Cisco IOS XR OSPFv3 and OSPFv2
Importing Addresses into OSPFv3
OSPF Hierarchical CLI and CLI Inheritance
OSPF Routing Components
Autonomous Systems
Areas
Backbone Area
Stub Area
Not-so-Stubby Area
Routers
OSPF Process and Router ID
Supported OSPF Network Types
Route Authentication Methods for OSPF Version 2
Plain Text Authentication
MD5 Authentication
Authentication Strategies
Neighbors and Adjacency for OSPF
Designated Router (DR) for OSPF
Default Route for OSPF
Link-State Advertisement Types for OSPF Version 2
Link-State Advertisement Types for OSPFv3
Virtual Link and Transit Area for OSPF
Route Redistribution for OSPF
OSPF Shortest Path First Throttling
Nonstop Forwarding for OSPF Version 2
Load Balancing in OSPF Version 2 and OSPFv3
How to Implement OSPF on Cisco IOS XR Software
Enabling OSPF
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Configuring Stub and Not-so-Stubby Area Types
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Configuring Neighbors for Nonbroadcast Networks
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Configuring Authentication at Different Hierarchical Levels for OSPF Version 2
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Controlling the Frequency that the Same LSA Is Originated or Accepted for OSPF
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Creating a Virtual Link with MD5 Authentication to Area 0 for OSPF
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Summarizing Subnetwork LSAs on an OSPF ABR
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Redistributing Routes from One IGP into OSPF
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Configuring OSPF Shortest Path First Throttling
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Configuring Nonstop Forwarding for OSPF Version 2
Restrictions
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Configuring OSPF Version 2 for MPLS Traffic Engineering
Restrictions
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RC-218
Sample Output for the show ospf mpls traffic-eng Command
Verifying OSPF Configuration and Operation
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Configuring OSPFv3 Graceful Restart
Enabling Graceful Restart
Configuring the Maximum Lifetime of a Graceful Restart
Configuring the Minimum Time Required Between Restarts
Configuring the Helper Level of the Router
Displaying Information About Graceful Restart
Enabling Multicast-Intact for OSPFv2
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Configuring the Multi-VRF Capability for OSPF Routing
Associating Interfaces to a VRF
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Configuring OSPF as a Provider Edge to Customer Edge (PE-CE) Protocol
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Configuring LDP-IGP Synchronization
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Creating Multiple OSPF Instances (OSPF Process and a VRF)
Configuration Examples for Implementing OSPF on Cisco IOS XR Software
Cisco IOS XR for OSPF Version 2 Configuration: Example
CLI Inheritance and Precedence for OSPF Version 2: Example
RC-239
MPLS TE for OSPF Version 2: Example
ABR with Summarization for OSPFv3: Example
The following example shows the prefix range 2300::/16 summarized from area 1 into the backbone:
RC-240
ABR Stub Area for OSPFv3: Example
The following example shows that area 1 is configured as a stub area:
ABR Totally Stub Area for OSPFv3: Example
The following example shows that area 1 is configured as a totally stub area:
Route Redistribution for OSPFv3: Example
Where to Go Next
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Additional References
Related Documents
Standards MIBs RFCs
Technical Assistance