Bidirectional Forwarding Detection

Document Type Expired Internet-Draft (individual in rtg area)
Authors Dave Katz  , David Ward  , Juin-Hwey Chen 
Last updated 2015-10-14 (latest revision 2004-05-19)
Stream IETF
Intended RFC status Proposed Standard
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state Expired (IESG: Dead)
Consensus Boilerplate Unknown
Telechat date
Responsible AD Alex Zinin
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a protocol intended to detect faults in the bidirectional path between two forwarding engines, including interfaces, data link(s), and to the extent possible the forwarding engines themselves, with potentially very low latency. It operates independently of media, data protocols, and routing protocols. Comments on this draft should be directed to


Dave Katz (
David Ward (
Juin-Hwey Chen (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)