Users Guide

Configure BFD for OSPF
When you use BFD with OSPF, the OSPF protocol registers with the BFD manager. BFD sessions are established with all
neighboring interfaces participating in OSPF. If a neighboring interface fails, the BFD agent notifies the BFD manager, which in
turn notifies the OSPF protocol that a link state change has occurred.
Configuring BFD for OSPF is a two-step process:
1. Enable BFD globally.
2. Establish sessions with OSPF neighbors.
Related Configuration Tasks
● Changing OSPF Session Parameters
● Disabling BFD for OSPF
Establishing Sessions with OSPF Neighbors for the Default VRF
BFD sessions can be established with all OSPF neighbors at once or sessions can be established with all neighbors out of a
specific interface. Sessions are only established when the OSPF adjacency is in the Full state.
Figure 13. Establishing Sessions with OSPF Neighbors
Bidirectional Forwarding Detection (BFD)
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