Cisco 10000-2P2-2DC Software Guide - Page 143
Restrictions for Implementing IPv6 VPN over MPLS, Configuration Tasks for Implementing IPv6 VPN over
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Chapter 4 Configuring Multiprotocol Label Switching IPv6 VPN over MPLS Restrictions for Implementing IPv6 VPN over MPLS The 6VPE feature has the following restrictions: • 6VPE is supported by an MPLS IPv4-signaled core. An MPLS IPv6-signaled core is not supported. • The maximum number of IPv6 VRF's that can be supported is 2038, including the global routing instance. However, out of 2038 VRF's, only 1200 eBGP sessions are supported; the remaining VRF's are to be static routed. • The maximum number of routes supported across all IPv6 VRFs, including the global routing instance, is 50,000, which yields approximately 24 routes/VRF. Configuration Tasks for Implementing IPv6 VPN over MPLS Tip The 12.2(33)SRB release introduced the Implementing IPv6 VPN over MPLS (6VPE) feature. As a basic reference to this feature, see the Implementing IPv6 Addressing and Basic Connectivity chapter in the Cisco IOS IPv6 Configuration Library at: http://www.cisco.com/en/US/docs/ios/12_2t/ipv6/v6addres.html The IPv6VPN over MPLS (6VPE) includes the configuration tasks in the following list. For more information about these tasks, see the Implementing IPv6 VPN over MPLS (6VPE) chapter in the Cisco IOS IPv6 Configuration Guide, Release 12.2SR at: http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-ov_mpls_6vpe.html • Configuring a Virtual Routing and Forwarding Instance for IPv6 • Binding a VRF to an Interface • Configuring a Static Route for PE-to-CE-Routing • Configuring eBGP PE-to-CE Routing Sessions • Configuring the IPv6 VPN Address Family for iBGP • Configuring Route Reflectors for Improved Scalability • Configuring Internet Access Note Cisco 10000 series routers do not support the mpls ipv6 vrf command that has been listed as one of the steps to configure VRF for IPv6. The IPv6VPN over MPLS (6VPE) feature also supports the configuration of the following features on Cisco 10000 series routers: • BGP Features, page 4-10 • IPv6 Internet Access, page 4-11 • VRF-Aware Router Applications, page 4-12 • VRF-Lite, page 4-12 • QoS Features, page 4-12 OL-2226-23 Cisco 10000 Series Router Software Configuration Guide 4-9
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