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Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 4 Configuring Multiprotocol Label Switching
IPv6 VPN over MPLS
Figure 4-1 Simple IPv6 VPN Architecture
The IPv6 VPN over MPLS (6VPE) feature is described in the following topics:
• Feature History for IPv6 VPN over MPLS, page 4-8
• Prerequisites for Implementing IPv6 VPN over MPLS, page 4-8
• Restrictions for Implementing IPv6 VPN over MPLS, page 4-9
• Configuration Tasks for Implementing IPv6 VPN over MPLS, page 4-9
• Configuration Example for Implementing IPv6 VPN over MPLS, page 4-13
• Monitoring and Maintaining IPv6 VPN over MPLS, page 4-15
Feature History for IPv6 VPN over MPLS
Prerequisites for Implementing IPv6 VPN over MPLS
The following Cisco IOS services must be running on the network before you configure IPv6 VPN
operation:
• MPLS in provider backbone routers
• MPLS with VPN code in provider routers with VPN PE routers
• BGP in all routers providing a VPN service
• Cisco Express Forwarding switching in every MPLS-enabled router
• The ipv6 unicast-routing command enabled on VPN PE routers
270303
Host-1
IPv6 ND
Site-1
2001:DB8:1:1000::/56
Site-2
2001:DB8:1:2000::/5
2001:DB8:1:2000::/64
iGP-v6 (e.g.
OSPFv3, IS-IS)
iGP-v4 (OSPF,
IS-IS) LDP-v4
MP-eBGP session
address family IPv6
MP-iBGP session
address family VPNv6
2001:DB8:1:1000::/64
VRF red
VRF red
CE2
PE1 PE2
P1
P2
192.168.2.11 192.168.2.10
192.168.2.14
CE1
Cisco IOS Release Description Required PRE
12.2(33)SB This feature was introduced on Cisco 10000 series routers. PRE2, PRE3, and
PRE4
12.2(33)SB2 This feature supports the inter-AS option on
Cisco
10000 series routers.
PRE3 and PRE4