Chapter 6 Implementing Ipv6 Vpn Provider Edge Transport Over Mpls; Prerequisites For Implementing 6Pe/Vpe - Cisco CRS Configuration Manual

Implementing IPv6 VPN Provider Edge Transport
over MPLS
IPv6 Provider Edge or IPv6 VPN Provider Edge (6PE/VPE) uses the existing MPLS IPv4 core infrastructure
for IPv6 transport. 6PE/VPE enables IPv6 sites to communicate with each other over an MPLS IPv4 core
network using MPLS label switched paths (LSPs).
This feature relies heavily on multiprotocol Border Gateway Protocol (BGP) extensions in the IPv4 network
configuration on the provider edge (PE) router to exchange IPv6 reachability information (in addition to an
MPLS label) for each IPv6 address prefix. Edge routers are configured as dual-stack, running both IPv4 and
IPv6, and use the IPv4 mapped IPv6 address for IPv6 prefix reachability exchange.
For detailed information about the commands used to configure 6PE/VPE, see the Cisco IOS XR Virtual
Private Network Command Reference for the Cisco CRS Router.
Feature History for Implementing 6PE/VPE Transport over MPLS
Release
Release 3.7.0
Release 4.1.0
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Prerequisites for Implementing 6PE/VPE

The following prerequisites are required to implement 6PE/VPE:
Prerequisites for Implementing 6PE/VPE, page 131
Information About 6PE/VPE, page 132
How to Implement 6PE/VPE, page 135
Configuration Examples for 6PE/VPE, page 144
Cisco IOS XR Virtual Private Network Configuration Guide for the Cisco CRS Router, Release 6.1.x
6
C H A P T E R
Modification
This feature was introduced.
Support was added for Inter-AS 6PE.
Support for the Open Shortest Path First version 3
(OSPFv3) IPv6 VPN Provider Edge (6VPE) feature
was added.
131