[c-nsp] VRF-LITE

[Bruce Pinsky]

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Sergio D. wrote:
> Hello,
> I recently moved from a Juniper network to a Cisco MPLS-MBGP-OSPF
> shop. I don't think there is anything like vrf-lite in the Juniper
> world. I tried reading the Cisco documentation on this but I am having
> a hard time grasping an M-BGP set up without any MPLS configuration.
> Is the traffic tagged? If so, how are the labels exchanged? If I am
> missing something obvious I apologize in advance.
> 

Hmm....I'm not sure of your question.  VRF Lite is simply separate routing
table instances on the same router without any association to VRFs on
another router.

VRFs that are associated to each other (to form VPNs) on different routers
(PEs) are associated via MP-BGP over either an MPLS core (label switched)
or an L2TPv3 core (IP forwarding).

- --
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bep

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