IPv6 MPLS L3VPN network schemes and functions
IPv6 MPLS L3VPN supports the following network schemes and features:
Basic VPN.
Inter-AS VPN option A.
Inter-AS VPN option C.
Carrier's carrier.
OSPFv3 VPN extension. (OSPFv3 Type 3, Type 5, and Type 7 LSAs support the DN bit. By default, OSPFv3 VPN extension uses the DN bit to avoid routing loops.) This feature is available in Release 2311P04 and later versions.