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Configuration Steps
You must complete the following configuration process
when the customer carrier provides Internet connectivity for its customers.
On the provider carrier’s PE router:
- Configure MPLS.
- Configure BGP.
- Configure an IGP.
- Configure LDP.
- Configure VRF.
- Enable carrier-of-carriers support on the VRF; use the mpls topology-driven-lsp command in the context of the VRF virtual router to enable MPLS
support.
- Enable LDP on the interface in the VRF that connects to
the customer carrier’s PE router.
- Use the show ip bgp vpnv4 vrf vrfname summary command
to verify that carrier-of-carriers support is enabled.
On the customer carrier’s PE router that
connects to the provider carrier’s PE router:
- Configure MPLS.
- Configure BGP.
- Configure an IGP.
- Configure LDP—Enable carrier-of-carriers support
on the VR; use the mpls topology-driven-lsp command in the context of the VRF virtual router to enable LDP support.
- Enable LDP on the interface in the VR that connects to
the provider carrier’s PE router.
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