Control Frequency That Same LSA Is Originated or Accepted for OSPF 61
Virtual Link and Transit Area for OSPF 63
Create Virtual Link 64
Summarize Subnetwork LSAs on OSPF ABR 68
Route Redistribution for OSPF 71
Redistribute Routes into OSPF 71
Nonstop Forwarding for OSPF Version 2 73
Configure Nonstop Forwarding Specific to Cisco for OSPF Version 2 74
OSPF Shortest Path First Throttling 76
Configure OSPF Shortest Path First Throttling 77
Graceful Restart for OSPFv3 79
Configure OSPFv3 Graceful Restart 79
Display Information About Graceful Restart 81
Warm Standby and Nonstop Routing for OSPF Version 2 81
Enable Nonstop Routing for OSPFv2 82
Warm Standby and Nonstop Routing for OSPF Version 3 82
Enable Nonstop Routing for OSPFv3 83
OSPFv2OSPF SPF Prefix Prioritization 83
Configure OSPFv2 OSPF SPF Prefix Prioritization 85
Configure OSPF as a Provider Edge to Customer Edge (PE-CE) Protocol 88
Create Multiple OSPF Instances (OSPF Process and a VRF) 90
Label Distribution Protocol IGP Auto-configuration for OSPF 92
Configure Label Distribution Protocol IGP Auto-configuration for OSPF 92
Configure LDP IGP Synchronization: OSPF 93
OSPF Authentication Message Digest Management 95
Configure Authentication Message Digest Management for OSPF 95
GTSM TTL Security Mechanism for OSPF 98
Configure Generalized TTL Security Mechanism (GTSM) for OSPF 99
References for OSPF 101
OSPF Functional Overview 101
Comparison of Cisco IOS XR Software OSPFv3 and OSPFv2 102
OSPF Hierarchical CLI and CLI Inheritance 103
OSPF Routing Components 103
Autonomous Systems 104
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
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Contents