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Bidirectional Forwarding Detection Protocol
JakeMont edited this page Nov 14, 2011
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Bidirectional Forwarding Detection (BFD) is a protocol intended to detect faults in the bidirectional path between two forwarding engines, including physical interfaces, subinterfaces, data link(s), and to the extent possible the forwarding engines themselves, with potentially very low latency."
We are using it in a slightly different way. See OpenBFDD Overview.
As of this writing the bfdd-beacon implements the RFC5880 (June 2010) BFD specification.
- IETF BFd home page.
- BFD Base Specification RFC5880 (June 2010).
- BFD Generic Usage Draft Specifications.
- BFD for IPv4 & IPv6 Single Hop Draft Specification - Note that the JUNOS 8.5 does not appear to conform completely with this draft.