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Label Advertisement Discipline for LDP Forwarding Equivalence Classes (FECs) (RFC7358) Disclosure Number: IPCOM000239061D
Original Publication Date: 2014-Oct-01
Included in the Prior Art Database: 2014-Oct-07
Document File: 16 page(s) / 16K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

K. Raza: AUTHOR [+3]


The Label Distribution Protocol (LDP) [RFC5036] allows label advertisement mode negotiation at the time of session establishment. The LDP specification also dictates that only a single label advertisement mode be negotiated, agreed upon, and used for a given LDP session between two Label Switching Routers (LSRs).

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Internet Engineering Task Force (IETF)                           K. Raza Request for Comments: 7358                                    S. Boutros Updates: 3212, 4447, 5036, 5918, 6388, 7140                   L. Martini Category: Standards Track                            Cisco Systems, Inc. ISSN: 2070-1721                                               N. Leymann                                                         Deutsche Telekom                                                             October 2014

                      Label Advertisement Discipline              for LDP Forwarding Equivalence Classes (FECs)


   The label advertising behavior of an LDP speaker for a given    Forwarding Equivalence Class (FEC) is governed by the FEC type and    not necessarily by the LDP session's negotiated label advertisement    mode.  This document updates RFC 5036 to make that fact clear.  It    also updates RFCs 3212, 4447, 5918, 6388, and 7140 by specifying the    label advertisement mode for all currently defined LDP FEC types.

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

Raza, et al.                 Standards Track                    [Page 1]
 RFC 7358          Label Advert. Discipline for LDP FECs     October 2014

 Copyright Notice

   Copyright (c) 2014 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 from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................2   ...