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Covering Prefixes Outbound Route Filter for BGP-4 (RFC7543) Disclosure Number: IPCOM000241482D
Original Publication Date: 2015-May-01
Included in the Prior Art Database: 2015-May-05
Document File: 42 page(s) / 39K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Jeng: AUTHOR [+4]


A BGP [RFC4271] speaker can send Outbound Route Filters (ORFs) [RFC5291] to a peer. The peer uses ORFs to filter routing updates that it sends to the BGP speaker. Using ORF, a BGP speaker can realize a "route pull" paradigm in which the BGP speaker, on demand, pulls certain routes from the peer.

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Internet Engineering Task Force (IETF)                           H. Jeng Request for Comments: 7543                                          AT&T Category: Standards Track                                       L. Jalil ISSN: 2070-1721                                                  Verizon                                                                R. Bonica                                                         Juniper Networks                                                                 K. Patel                                                            Cisco Systems                                                                  L. Yong                                                      Huawei Technologies                                                                 May 2015

            Covering Prefixes Outbound Route Filter for BGP-4


   This document defines a new Outbound Route Filter (ORF) type, called    the Covering Prefixes ORF (CP-ORF).  CP-ORF is applicable in Virtual    Hub-and-Spoke VPNs.  It also is applicable in BGP/MPLS Ethernet VPN    (EVPN) networks.

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

 Jeng, et al.                 Standards Track                    [Page 1]
 RFC 7543                  Covering Prefixes ORF                 May 2015

 Copyright Notice

   Copyright (c) 2015 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...