To configure a VPRN to support CSC service, the carrier-carrier-vpn command must be enabled. The command fails if the VPRN service has any existing SAP or spoke SDP interfaces. A CSC interface can be added to a VPRN (using the network-interface command) only if the carrier-carrier-vpn command is enabled.
A VPRN service with the carrier-carrier-vpn command may be provisioned to use auto-bind-tunnel, configured spoke SDPs, or some combination. All SDP types are supported except for:
Other aspects of VPRN configuration are the same in a CSC model as in a non-CSC model.