The MPLS WG Archive

[Aamer Akhter <aakhter@cisco.com>]

Jing,

I'm assuming you're talking about ospf data being caried across bgp as in:

http://search.ietf.org/internet-drafts/draft-rosen-vpns-ospf-bgp-mpls-02.txt


The PE's by defenition are in Area 0. Area 0 needs to be contigious. You'll need to have a virtual link between PE2 
and CE2

hope this helps

Quoting Jing Zeng (zengjing_sec@yahoo.com):
> I have a question about CE to PE ospf within MPLS/BGP VPN:
> Suppose the routers connected as following:
> CE1--PE1--PE2--CE2.
> The link between CE1 and PE1 using OSPF, and belong to area 0. The link
> between PE2 and CE2 using ospf and belong to area 1.
> (there is a interface inside CE2 belong to ospf area 0)
> How to transport the routes between PE1 and PE2? Is any RFC or Draft to
> address this issue?
> 
> Jing
> 
> 
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-- 
Aamer Akhter / aa@cisco.com
NSITE - cisco Systems