BGP MPLS-Based Ethernet VPN
RFC 7432
| Document | Type |
RFC - Proposed Standard
(February 2015; Errata)
Updated by RFC 8584
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Reviews | |||
| Stream | WG state | Submitted to IESG for Publication | |
| Document shepherd | Giles Heron | ||
| Shepherd write-up | Show (last changed 2014-07-15) | ||
| IESG | IESG state | RFC 7432 (Proposed Standard) | |
| Consensus Boilerplate | Yes | ||
| Telechat date | |||
| Responsible AD | Adrian Farrel | ||
| Send notices to | (None) | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Internet Engineering Task Force (IETF) A. Sajassi, Ed.
Request for Comments: 7432 Cisco
Category: Standards Track R. Aggarwal
ISSN: 2070-1721 Arktan
N. Bitar
Verizon
A. Isaac
Bloomberg
J. Uttaro
AT&T
J. Drake
Juniper Networks
W. Henderickx
Alcatel-Lucent
February 2015
BGP MPLS-Based Ethernet VPN
Abstract
This document describes procedures for BGP MPLS-based Ethernet VPNs
(EVPN). The procedures described here meet the requirements
specified in RFC 7209 -- "Requirements for Ethernet VPN (EVPN)".
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/rfc7432.
Sajassi, et al. Standards Track [Page 1]
RFC 7432 BGP MPLS-Based Ethernet VPN February 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
(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.
Table of Contents
1. Introduction ....................................................4
2. Specification of Requirements ...................................4
3. Terminology .....................................................4
4. BGP MPLS-Based EVPN Overview ....................................6
5. Ethernet Segment ................................................7
6. Ethernet Tag ID ................................................10
6.1. VLAN-Based Service Interface ..............................11
6.2. VLAN Bundle Service Interface .............................11
6.2.1. Port-Based Service Interface .......................11
6.3. VLAN-Aware Bundle Service Interface .......................11
6.3.1. Port-Based VLAN-Aware Service Interface ............12
7. BGP EVPN Routes ................................................13
7.1. Ethernet Auto-discovery Route .............................14
7.2. MAC/IP Advertisement Route ................................14
7.3. Inclusive Multicast Ethernet Tag Route ....................15
7.4. Ethernet Segment Route ....................................16
7.5. ESI Label Extended Community ..............................16
7.6. ES-Import Route Target ....................................17
7.7. MAC Mobility Extended Community ...........................18
7.8. Default Gateway Extended Community ........................18
7.9. Route Distinguisher Assignment per EVI ....................18
7.10. Route Targets ............................................19
7.10.1. Auto-derivation from the Ethernet Tag ID ..........19
8. Multihoming Functions ..........................................19
8.1. Multihomed Ethernet Segment Auto-discovery ................19
8.1.1. Constructing the Ethernet Segment Route ............19
8.2. Fast Convergence ..........................................20
8.2.1. Constructing Ethernet A-D per Ethernet
Segment Route ......................................21
8.2.1.1. Ethernet A-D Route Targets ................21
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