Enabling Carrier-of-Carriers Support on a VRF

In a carrier-of-carriers environment, a provider carrier creates a backbone VPN that is used by a customer carrier. You must enable carrier-of-carriers support on the VRF of the provider carrier’s PE device that connects to the PE device of the customer carrier.

mpls topology-driven-lsp

• Use in the context of the VRF virtual router to enable carrier-of-carriers support in a VRF. The VRF is on a PE router that is in the provider carrier’s VPN and that connects to the customer carrier’s PE router.
• Use the show ip bgp vpnv4 vrf vrfName summary command to verify whether carrier-of-carriers mode is enabled on a VRF. The output includes a line indicating the status:

  Carrier’s carrier mode is enabled.

• Example

  host1:vr1:VrfA(config)#mpls topology-driven-lsp

• Use the no version to disable carrier-of-carriers mode on the VRF.
• See mpls topology-driven-lsp.

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