BFD In OSPF v3¶
With BFD usage in OSPF v3, the failover mechanism is greatly improved by detecting
the loss of remote OSPF v3 neighbors. Instead of relying on standard
BFD permits faster convergence.
To get more information on BFD, please see BFD.
BFD Configuration And Monitoring In OSPF v3¶
A BFD peer session context is created, along with discovering OSPF v3 neighbors.
Due to the nature of OSPF v3, all created BFD peer contexts are
are based on IPv6.
vrf customer1 routing ospf6 router-id 10.125.0.1 interface eth1_0 area 0.0.0.1 .. .. routing interface eth1_0 ipv6 ospf6 track bfd
Then you can continue the configuration as usual. For timer settings, the default emission and reception settings are set to 300000 microseconds, which may not be what is wished. In that case, it is possible to override default timers, by configuring general timer settings. More information is given in Configuring general BFD settings.
vrouter> show ospf6 vrf customer1 interface eth1_0 eth1_0 is up, type BROADCAST Interface ID: 4 Internet Address: inet6: 2001:db8:4::2/64 inet6: fe80::20e2:2bff:fe5c:d44b/64 Instance ID 0, Interface MTU 1500 (autodetect: 1500) MTU mismatch detection: enabled Area ID 0.0.0.1, Cost 10 State BDR, Transmit Delay 1 sec, Priority 1 Timer intervals configured: Hello 10, Dead 40, Retransmit 5 DR: 10.254.254.4 BDR: 10.254.254.2 Number of I/F scoped LSAs is 2 0 Pending LSAs for LSUpdate in Time 00:00:00 [thread off] 0 Pending LSAs for LSAck in Time 00:00:00 [thread off] BFD: Detect Multiplier: 3, Min Rx interval: 300, Min Tx interval: 300 vrouter> show ospf6 vrf customer1 neighbor Neighbor ID Pri DeadTime State/IfState Duration I/F[State] 10.125.0.2 1 00:00:30 Full/DR 00:22:34 eth1_0[BDR] vrouter> show bfd vrf customer1 session single-hop destination fe80::347c:8fff:fe10:e2b4 BFD Peer: peer fe80::347c:8fff:fe10:e2b4 local-address fe80::bcda:24ff:fef7:38d3 interface eth1_0 ID: 322201613 Remote ID: 2746639856 Status: up Uptime: 9 minute(s), 49 second(s) Diagnostics: ok Remote diagnostics: ok Local timers: Receive interval: 600ms Transmission interval: 600ms Echo transmission interval: 50ms Remote timers: Receive interval: 300ms Transmission interval: 300ms Echo transmission interval: 50ms