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Cell Relay Retreat>MPLS-OPS Archive>month:2001-Aug> msg00246



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Re: REG: MPLS VPN using OSPF as the PE-CE routing protocol.

  • From: jim guichard <jguichar@cisco.com>
  • Date: Fri, 31 Aug 2001 10:31:38 +0100
  • Cc: mpls-ops@mplsrc.com
  • Resent-Date: Fri, 31 Aug 2001 06:56:25 -0400
  • To: "Vinod Anthony Joseph Cherunni" <vac@dsqworld.com>
  • X-Sender: jguichar@london2.cisco.com

Vinod,

this is correct behaviour - what you need is a feature known as sham-link - 
check CSCdr35370 on CCO for a description of this feature. Jim

At 14:10 31/08/2001 +0530, Vinod Anthony Joseph Cherunni wrote:

>Dear All,
>
>When using OSPF as the PE-CE routing protocol in an MPLS VPN part of only 
>an OSPF single area (Area0) , I find that the routes which are advertised 
>from the remote CE router to the local CE router are OSPF (Inter-Area) 
>routes, & not Intra area routes. Is there any way these routes can be 
>changed to Intra-Area routes. The reason is that the customer network is 
>only within a single area (Area 0). I feel this happens only because the 
>customer sites routes are exchanged between PE routers using MBGP & then 
>redistributed into the customer's OSPF VRF routing process.
>
>Kindly advise on how theses routes can still be visible as OSPF Intra-area 
>routes instead of Inter-Area routes.
>
>With warm regards,
>
>Vinod.



Jim Guichard CCIE #2069
Technical Leader EMEA
MPLS & IP Routing Technologies

+44 208 756 8806
Mobile: +44 7802 809763

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