Configure BFD for OSPFv2 Globally

BFD for OSPFv2 can be configured globally on interfaces where BFD is enabled.

1. Access global configuration mode.
   

   device# configure terminal

2. Access OSPF router configuration mode.
   

   device(config)# router ospf

3. Enable BFD globally.
   

   device(config-router-ospf-vrf-default-vrf)# bfd 

4. Specify the interval after which routes are withdrawn after a BFD session is declared down.
   

   device(config-router-ospf-vrf-default-vrf)# bfd holdover-interval 12  

   This example specifies a holdover interval of 12 seconds.