Usage of Layer 2 Attributes Extended Community in EVPN

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Last updated 2019-10-05 (latest revision 2019-04-03)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document adopts Layer 2 Attributes Extended Community defined in [RFC8214] to EVPN allowing negotiate Layer2 information in the control plane. An interoperability mechanism between PEs with and without control word capability is described for EVPN and VPWS in this document. Flow label signaling mechanism is also described for EVPN ELAN and VPWS with interoperability capability considered.


Tianpeng Yu (
Haibo Wang (

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