Mechanism, it must be enabled for each participating protocol. To configure different values for these parameters on an interface, use the bfd intervalįor BFD to function as a failure detection Sessions that pass through the interface. Missed in succession before BFD declares the session to be down) canĪll be configured per interface. The requesting protocol is then responsibleįor responding to the loss of connectivity.ĭetection continue to operate normally when BFD is enabled, includingĬontrol packets, the minimum rate at which control packets are expectedįrom the peer, and the multiplier (the number of packets that must be Informs the requesting protocol of failure if a specified number of successive Routing protocols are responsible for neighbor detection, and createīFD sessions with neighbors by requesting failure monitoring from BFD.Ī neighbor, BFD exchanges control packets to verify connectivity and Operate independently, but only as an adjunct to routing protocols. Quickly detect failure of any element in the connection.
The liveness of a connection between adjacent systems, allowing it to
Mechanism, and does not discover neighbors or reroute traffic. Mechanism which adjacent systems can use instead for faster detection Detection can take over a second, and reducingĭetection time by increasing the rate at which hello packets are exchangedĬan create an excessive burden on the participating CPUs.īFD is a low-overhead, protocol-independent Signaling, connection failures are usually detected by the hello mechanisms