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MPLS VPN Carrier Supporting Carrier on single Router

rust.z
Level 1
Level 1

I try to enable MPLS VPN Carrier Supporting Carrier on single Router with two interfaces that is connected to Customer,that is supporting MPLS/VPN for their own clients.

I have enable eigrp and ldp on these two interfaces. LDP sesions was estableshed.

But my router doesn't advertize label information about routes, learned from LDP peer on one interface to LDP peer on other interface. Is it restriction of MPLS VPN Carrier Supporting Carrier sulution or am I doing something wrong?

1 Reply 1

Harold Ritter
Cisco Employee
Cisco Employee

In the context of CsC, the label information learnt from the customer (vrf interface) is not shared with the LDP information in the SP core. It is rather an extension to the label information advertised via m-bgp (address family VPNv4).

If you do a "show mpls forwarding vrf " you can see for prefixes learnt from local customer the outgoing label is the one received via LDP and the local label is the one advertised via m-bgp.

Let me know if I answered your question,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
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