Unaffiliated BFD Echo Function

Document Type Replaced Internet-Draft (bfd WG)
Authors Weiqiang Cheng  , Ruixue Wang  , Xiao Min  , Liu Aihua  , Reshad Rahman 
Last updated 2020-08-17 (latest revision 2020-07-13)
Replaced by draft-ietf-bfd-unaffiliated-echo
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-bfd-unaffiliated-echo
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active.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


Bidirectional Forwarding Detection (BFD) is a fault detection protocol that can quickly determine a communication failure between two forwarding engines. This document proposes a use of BFD echo where the local system supports BFD but the neighboring system does not support BFD.


Weiqiang Cheng (chengweiqiang@chinamobile.com)
Ruixue Wang (wangruixue@chinamobile.com)
Xiao Min (xiao.min2@zte.com.cn)
Liu Aihua (liu.aihua@zte.com.cn)
Reshad Rahman (rrahman@cisco.com)

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