Virtual Circuit Connectivity Verification version 2 (VCCV2)

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Last updated 2013-01-05 (latest revision 2012-07-04)
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This document describes VCCV2, a new version of Virtual Circuit Connectivity Verification (VCCV), the pseudowire OAM mechanism. This new version is backwards compatible with VCCV for MPLS PWs for modes that the versions share, although the Router Alert (RA) CV type is not supported by VCCV2. Furthermore, this document collects the complete description of VCCV2 into a single specification.


Tom Nadeau (
Carlos Pignataro (
Yaakov Stein (

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