Reverse Defect Indicator for MPLS FM OAM

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Last updated 2018-05-29 (latest revision 2017-11-25)
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This document describes extensions to the MPLS Fault Management Operations, Administration, and Management (MPLS FM OAM) in RFC 6427 [RFC6427] to support Remote Defect Indication (RDI) functionality. Specifically, it describes a mechanism for propagating MPLS FM OAM messages to the upstream Label Edge Router (LER) in MPLS-TP [RFC5921] bi-directional (associated and co-routed) Label Switched Paths (LSPs).


Ashesh Mishra (
Mahesh Jethanandani (
Ankur Saxena (

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