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IPv6 MPLS L3VPN configuration task list
By configuring basic IPv6 MPLS L3VPN, you can construct a simple IPv6 VPN network over an
MPLS backbone.
To deploy special IPv6 MPLS L3VPN networks, such as inter-AS VPN, you must also perform
specific configurations in addition to the basic IPv6 MPLS L3VPN configuration. For details, see the
related sections.
(Required.) Configuring basic IPv6 MPLS L3VPN
(Optional.) Configuring inter-AS IPv6 VPN
(Optional.) Configuring an OSPFv3 sham link
(Optional.) Enabling logging for BGP route flapping
Configuring basic IPv6 MPLS L3VPN
The key task in IPv6 MPLS L3VPN configuration is to manage the advertisement of IPv6 VPN routes
on the MPLS backbone, including management of PE-CE route exchange and PE-PE route
exchange.
To configure basic IPv6 MPLS L3VPN:
Configuring VPN instances:
1. (Required.) Creating a VPN instance
2. (Required.) Associating a VPN instance with an interface
(Optional.) Configuring route related attributes for a VPN instance
(Required.) Configuring routing between a PE and a CE
(Required.) Configuring routing between PEs
(Optional.) Configuring BGP VPNv6 route control
Before configuring basic IPv6 MPLS L3VPN, complete the following tasks:
• Configure an IGP on the PEs and Ps to ensure IP connectivity within the MPLS backbone.
• Configure basic MPLS for the MPLS backbone.
• Configure MPLS LDP on PEs and Ps to establish LDP LSPs.
Configuring VPN instances
By configuring VPN instances on a PE, you isolate not only VPN routes from public network routes,
but also routes between VPNs. This feature allows VPN instances to be used in MPLS L3VPNs and
other network scenarios as well.
All VPN instance configurations are performed on PEs.
Creating a VPN instance
A VPN instance is associated with a site. It is a collection of the VPN membership and routing rules of
its associated site. A VPN instance might correspond to more than one VPN.
To create and configure a VPN instance:
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