Network Working Group A. Sajassi
INTERNET-DRAFT Cisco
Category: Standards Track
R. Aggarwal
N. Bitar Arktan
Verizon
W. Henderickx
S. Boutros F. Balus
K. Patel Alcatel-Lucent
S. Salam
Cisco Aldrin Isaac
Bloomberg
J. Drake
R. Shekhar J. Uttaro
Juniper Networks AT&T
Expires: August 25, 2013 February 25, 2013
BGP MPLS Based Ethernet VPN
draft-ietf-l2vpn-evpn-03
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Copyright and License Notice
Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
Sajassi, et al. Expires August 25, 2013 [Page 1]
INTERNET DRAFT BGP MPLS Based Ethernet VPN February 25, 2013
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Abstract
This document describes procedures for BGP MPLS based Ethernet VPNs
(E-VPN).
Table of Contents
1. Specification of requirements . . . . . . . . . . . . . . . . . 5
2. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 5
4. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5. BGP MPLS Based E-VPN Overview . . . . . . . . . . . . . . . . . 6
6. Ethernet Segment . . . . . . . . . . . . . . . . . . . . . . . 7
7. Ethernet Tag . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.1 VLAN Based Service Interface . . . . . . . . . . . . . . . . 9
7.2 VLAN Bundle Service Interface . . . . . . . . . . . . . . . 9
7.2.1 Port Based Service Interface . . . . . . . . . . . . . . 10
7.3 VLAN Aware Bundle Service Interface . . . . . . . . . . . . 10
7.3.1 Port Based VLAN Aware Service Interface . . . . . . . . 10
8. BGP E-VPN NLRI . . . . . . . . . . . . . . . . . . . . . . . . 10
8.1. Ethernet Auto-Discovery Route . . . . . . . . . . . . . . . 11
8.2. MAC Advertisement Route . . . . . . . . . . . . . . . . . 12
8.3. Inclusive Multicast Ethernet Tag Route . . . . . . . . . . 12
8.4 Ethernet Segment Route . . . . . . . . . . . . . . . . . . . 13
8.5 ESI Label Extended Community . . . . . . . . . . . . . . . . 13
8.6 ES-Import Route Target . . . . . . . . . . . . . . . . . . . 14
8.7 MAC Mobility Extended Community . . . . . . . . . . . . . . 14
8.8 Default Gateway Extended Community . . . . . . . . . . . . . 15
9. Multi-homing Functions . . . . . . . . . . . . . . . . . . . . 15
9.1 Multi-homed Ethernet Segment Auto-Discovery . . . . . . . . 15
9.1.1 Constructing the Ethernet Segment Route . . . . . . . . 15
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