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Multi-Threaded Routing Toolkit (MRT) Routing Information Export Format
RFC 6396

Internet Engineering Task Force (IETF)                          L. Blunk
Request for Comments: 6396                                      M. Karir
Category: Standards Track                                  Merit Network
ISSN: 2070-1721                                              C. Labovitz
                                                      Deepfield Networks
                                                            October 2011

 Multi-Threaded Routing Toolkit (MRT) Routing Information Export Format

Abstract

   This document describes the MRT format for routing information
   export.  This format was developed in concert with the Multi-threaded
   Routing Toolkit (MRT) from whence the format takes it name.  The
   format can be used to export routing protocol messages, state
   changes, and routing information base contents.

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
   http://www.rfc-editor.org/info/rfc6396.

Copyright Notice

   Copyright (c) 2011 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
   (http://trustee.ietf.org/license-info) 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.

Blunk, et al.                Standards Track                    [Page 1]
RFC 6396                       MRT Format                   October 2011

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Specification of Requirements  . . . . . . . . . . . . . .  4
   2.  MRT Common Header  . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Extended Timestamp MRT Header  . . . . . . . . . . . . . . . .  5
   4.  MRT Types  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     4.1.  OSPFv2 Type  . . . . . . . . . . . . . . . . . . . . . . .  6
     4.2.  TABLE_DUMP Type  . . . . . . . . . . . . . . . . . . . . .  7
     4.3.  TABLE_DUMP_V2 Type . . . . . . . . . . . . . . . . . . . .  9
       4.3.1.  PEER_INDEX_TABLE Subtype . . . . . . . . . . . . . . .  9
       4.3.2.  AFI/SAFI-Specific RIB Subtypes . . . . . . . . . . . . 11
       4.3.3.  RIB_GENERIC Subtype  . . . . . . . . . . . . . . . . . 11
       4.3.4.  RIB Entries  . . . . . . . . . . . . . . . . . . . . . 12
     4.4.  BGP4MP Type  . . . . . . . . . . . . . . . . . . . . . . . 13
       4.4.1.  BGP4MP_STATE_CHANGE Subtype  . . . . . . . . . . . . . 13
       4.4.2.  BGP4MP_MESSAGE Subtype . . . . . . . . . . . . . . . . 14
       4.4.3.  BGP4MP_MESSAGE_AS4 Subtype . . . . . . . . . . . . . . 15
       4.4.4.  BGP4MP_STATE_CHANGE_AS4 Subtype  . . . . . . . . . . . 15
       4.4.5.  BGP4MP_MESSAGE_LOCAL Subtype . . . . . . . . . . . . . 16
       4.4.6.  BGP4MP_MESSAGE_AS4_LOCAL Subtype . . . . . . . . . . . 16
     4.5.  ISIS Type  . . . . . . . . . . . . . . . . . . . . . . . . 16
     4.6.  OSPFv3 Type  . . . . . . . . . . . . . . . . . . . . . . . 17
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 17
     5.1.  Type Codes . . . . . . . . . . . . . . . . . . . . . . . . 17
     5.2.  Subtype Codes  . . . . . . . . . . . . . . . . . . . . . . 18
     5.3.  Defined Type Codes . . . . . . . . . . . . . . . . . . . . 18
     5.4.  Defined BGP, BGP4PLUS, and BGP4PLUS_01 Subtype Codes . . . 19

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