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Dell EMC SmartFabric OS10 User Guide Release 10.5.1

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Changing OSPFv3 session parameters

Configure BFD sessions with default intervals and a default role.

The parameters that you can configure are: desired tx interval, required min rx interval, detection multiplier, and system role. Configure these parameters for all OSPFv3 sessions or all OSPFv3 sessions on a particular interface. If you change a parameter globally, the change affects all OSPFv3 neighbors sessions. If you change a parameter at the interface level, the change affects all OSPF sessions on that interface.
NOTE: By default, OSPF uses the following BFD parameters for it's neighbors: min_tx = 200 msec, min_rx = 200 msec, multiplier = 3, role = active. If BFD is configured under interface context, that will be given high priority.

To change parameters for all OSPFv3 sessions or for OSPF sessions on a single interface, use the following commands:

  1. Change parameters for OSPF sessions.
    bfd all-neighbors interval milliseconds min_rx milliseconds multiplier value role [active | passive]
    ROUTER-OSPFv3 Mode
  2. Change parameters for all OSPF sessions on an interface.
    ipv6 ospf bfd all-neighbors interval milliseconds min_rx milliseconds multiplier value role [active | passive]
    INTERFACE CONFIGURATION Mode

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