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receives a Down status notification from the remote system, the session state on the local system
changes to Init.
Figure 10. Session State Changes
Important Points to Remember
Enable BFD on both ends of a link.
Demand mode, authentication, and the Echo function are not supported.
BFD is not supported on multi-hop and virtual links.
Protocol Liveness is supported for routing protocols only.
Configure BFD
This section contains the following procedures.
Configuring BFD for Physical Ports
Configure BFD for Static Routes
Configure BFD for OSPF
Bidirectional Forwarding Detection (BFD)
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