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Dell SmartFabric OS10 User Guide Release 10.5.3

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Disabling BFD for OSPFv2

If you disable BFD globally, all sessions are torn down and sessions on the remote system are placed in a Down state. If you disable BFD on an interface, sessions on the interface are torn down and sessions on the remote system are placed in a Down state. Disabling BFD does not trigger a change in BFD clients; a final Admin Down packet is sent before the session is terminated.

To disable BFD sessions, use the following commands:

  1. Disable BFD sessions with all OSPF neighbors.
    no bfd all-neighbors
    ROUTER-OSPF Mode
  2. Disable OSPFv2 at interface level using the following command:
    ip ospf bfd all-neighbors disable
    INTERFACE CONFIGURATION Mode
To re-enable BFD, disabled the interface alone using the following commands:
  • no ip ospf bfd all-neighbors command
  • ip ospf bfd all-neighbors

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