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Media Access Control (MAC) Address Withdrawal over Static Pseudowire (RFC7769) Disclosure Number: IPCOM000245292D
Original Publication Date: 2016-Feb-01
Included in the Prior Art Database: 2016-Feb-26
Document File: 20 page(s) / 21K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Sivabalan: AUTHOR [+4]


An LDP-based MAC address withdrawal mechanism is specified in [RFC4762] to remove dynamically learned MAC addresses when the source of those addresses can no longer forward traffic. This is accomplished by sending an LDP Address Withdraw Message with a MAC List TLV containing the MAC addresses to be removed from all other Provider Edge nodes over the LDP sessions. [RFC7361] describes an optimized MAC withdrawal mechanism that can be used to remove only the set of MAC addresses that need to be relearned in H-VPLS networks. [RFC7361] also describes optimized MAC withdrawal operations in PBB-VPLS networks.

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Internet Engineering Task Force (IETF)                      S. Sivabalan Request for Comments: 7769                                    S. Boutros Category: Standards Track                            Cisco Systems, Inc. ISSN: 2070-1721                                                  H. Shah                                                              Ciena Corp.                                                                S. Aldrin                                                              Google Inc.                                                            M. Venkatesan                                                                  Comcast                                                            February 2016

   Media Access Control (MAC) Address Withdrawal over Static Pseudowire


   This document specifies a mechanism to signal Media Access Control    (MAC) address withdrawal notification using a pseudowire (PW)    Associated Channel (ACH).  Such notification is useful when    statically provisioned PWs are deployed in a Virtual Private LAN    Service (VPLS) or Hierarchical Virtual Private LAN Service (H-VPLS)    environment.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Sivabalan, et al.            Standards Track                    [Page 1]
 RFC 7769          MAC Address Withdrawal over Static PW    February 2016

 Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted fr...