OSPFv2

• 1 OSPFv2
  • 1.1 OSPFv2 Overview
  • 1.2 Autonomous System
  • 1.3 OSPFv2 Components and Roles
  • 1.4 Reduction of Equivalent AS External LSAs
  • 1.5 Algorithm for AS External LSA Reduction
  • 1.6 Maximum limit overload processing
  • 1.7 Enabling OSPFv2
  • 1.8 Backbone area
  • 1.9 Assigning OSPFv2 Areas
  • 1.10 Area range
    • 1.10.1 Assigning an area range
  • 1.11 Area Types
  • 1.12 Stub Area and Totally Stubby Area
    • 1.12.1 Disabling summary LSAs for a stub area
  • 1.13 Not-So-Stubby Area (NSSA)
    • 1.13.1 Configuring an NSSA
    • 1.13.2 Configuring a Summary Address for the NSSA
  • 1.14 Assigning Interfaces to an Area
  • 1.15 Link State Advertisements
  • 1.16 Configuring the Maximum Number of LSAs in the LSDB
  • 1.17 Checking the LSDB Overflow State
  • 1.18 Virtual Links
    • 1.18.1 Configuring virtual links
  • 1.19 Default Route Origination
  • 1.20 External route summarization
  • 1.21 SPF timers
  • 1.22 Modifying Shortest Path First timers
  • 1.23 OSPFv2 administrative distance
  • 1.24 OSPFv2 LSA refreshes
    • 1.24.1 Configuring the OSPFv2 LSA pacing interval
  • 1.25 Disabling the Opaque LSA Capability
  • 1.26 Support for OSPF RFC 2328 Appendix E
  • 1.27 OSPFv2 Graceful Restart
    • 1.27.1 Disabling OSPFv2 Graceful Restart
    • 1.27.2 Re-enabling OSPFv2 Graceful Restart
    • 1.27.3 Disabling OSPFv2 graceful restart helper
  • 1.28 OSPFv2 stub router advertisement
  • 1.29 OSPFv2 Shortest Path First throttling
  • 1.30 IETF RFC and Internet Draft Support
  • 1.31 OSPFv2 non-stop routing
    • 1.31.1 Limitations of NSR
    • 1.31.2 Enabling OSPFv2 NSR
  • 1.32 Synchronization of critical OSPFv2 elements
    • 1.32.1 Link state database synchronization
    • 1.32.2 LSA delayed acknowledging
    • 1.32.3 LSA syncing and packing
    • 1.32.4 Neighbor device synchronization
    • 1.32.5 Synchronization limitations
    • 1.32.6 Interface synchronization
  • 1.33 Standby Module Operations
  • 1.34 OSPFv2 distribute list
    • 1.34.1 Configuring an OSPFv2 Distribution List Using ACLs
    • 1.34.2 Configuring an OSPFv2 Distribution List Using Route Maps
  • 1.35 OSPFv2 Route Redistribution
  • 1.36 Redistributing routes into OSPFv2
  • 1.37 Load Sharing
  • 1.38 Interface types to which the reference bandwidth does not apply
  • 1.39 Changing the Reference Bandwidth for the Cost on OSPFv2 Interfaces
  • 1.40 OSPFv2 Over VRF
    • 1.40.1 Enabling OSPFv2 in a Non-default VRF
  • 1.41 Configuring the OSPFv2 Max-Metric Router LSA
  • 1.42 Re-enabling OSPFv2 compatibility with RFC 1583
  • 1.43 OSPFv2 Authentication
    • 1.43.1 OSPFv2 Keychain Authentication
    • 1.43.2 OSPFv2 authentication configuration
      • 1.43.2.1 Configuring plain text authentication on an OSPFv2 interface
      • 1.43.2.2 Configuring Plain Text Authentication on an OSPFv2 Virtual Link
      • 1.43.2.3 Configuring MD5 authentication on an OSPFv2 interface
      • 1.43.2.4 Configuring MD5 Authentication on an OSPFv2 Virtual Link
      • 1.43.2.5 Configuring HMAC-SHA-1 or HMAC-SHA-256 authentication on an OSPFv2 interface
      • 1.43.2.6 Configuring HMAC-SHA-1 or HMAC-SHA-256 on an OSPFv2 Virtual Link
      • 1.43.2.7 Configuring keychain authentication on an OSPFv2 interface
      • 1.43.2.8 Configuring Keychain Authentication on an OSPFv2 Virtual Link
      • 1.43.2.9 Configuring authentication key activation wait time on an OSPFv2 interface
      • 1.43.2.10 Configuring Authentication Key Activation Wait Time on an OSPFv2 Virtual Link
      • 1.43.2.11 Displaying OSPFv2 Results
  • 1.44 Changing Default Settings
  • 1.45 Disabling and re-enabling OSPFv2 event logging
  • 1.46 Understanding the effects of disabling OSPFv2
    • 1.46.1 Disabling OSPFv2