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VPWS Configuration Tasks
To configure a PE router to provide VPWS:
- Configure an VPWS instance.
- Configure the encapsulation type and create an VPWS instance
on the PE router for each VPWS in which the router participates.
- Configure a customer site name and a unique site identifier
for each customer site that belongs to the VPWS instance.
- (Optional) Configure BGP multihoming for the customer
- Configure the maximum number of customer sites that can
participate in the L2VPN.
- Configure the unique two-part route distinguisher for
the VPWS instance.
- Create a list of L2VPN extended communities that the router
uses to determine which routes are imported by the VPWS instance.
- Configure the VPWS L2VPN local preference options for
control words and sequencing.
- Configure the customer-facing interfaces in the VPWS instance.
- Configure the layer 2 interfaces that connect the PE router
to each CE device in the L2VPN.
- Configure each layer 2 interface as a member of an VPWS
instance by specifying local and remote site IDs.
- (Optional) Configure local cross-connects.
- Configure two sites in the VPWS instance that are local
to the PE router.
- Configure the correct local and remote site IDs on the
customer-facing interfaces for the cross-connected sites.
- Configure the loopback interface and router ID for BGP.
- Configure a loopback interface to use as the update source
for the TCP connection.
- Assign a router ID that uses the IP address of the loopback
- Set up BGP signaling in the autonomous system that is
configured to signal reachability for this VPWS instance.
- Enable BGP.
- Configure the PE-to-PE BGP session.
- Create the L2VPN address family to configure the router
to use BGP signaling.
- Activate the neighbors in the L2VPN address family for
the PE-to-PE BGP session.
- Create the VPWS address family to configure the router
to exchange layer 2 NLRI for each VPWS instance configured on the
- Configure MPLS label-switched paths (LSPs) to connect
the local and remote PE routers.
- Enable MPLS on the virtual router.
- Configure the core-facing interface on which you want
to enable MPLS, Label Distribution Protocol (LDP), and topology-driven
- Enable MPLS on the core-facing interface.
- Enable LDP and topology-driven LSPs on the core-facing
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