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Cell Relay Retreat>MPLS-OPS Archive>month:2002-Mar> msg00143



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REG: PE - CE routing

  • From: "Vinod Anthony Joseph Cherunni" <vac@antarix.biz>
  • Date: Thu, 21 Mar 2002 18:09:28 +0530
  • Resent-Date: Thu, 21 Mar 2002 08:35:47 -0500
  • To: mpls-ops@mplsrc.com
  • X-MIMETrack: Serialize by Router on MEGREZ/DSQworld(Release 5.0.8 |June 18, 2001) at 03/21/200206:09:33 PM,Serialize complete at 03/21/2002 06:09:33 PM


Dear All,

I am trying to get a site be part of an existing MPLS VPN. The PE at the new site is a 7507 with 12.0.18ST image. The remote site has only one private prefix to be advertised into rest of the network. I am using OSPF as the PE-CE routing protocol (for the customer's comfort) over two GRE tunnels (over a serial link).
I am able to find prefix (192.168.30.0/24 on the local lan) on all the PE routers in my network, which is advertised via MP-iBGP. I am also able to ping a host on the subnet from the local PE router (7507). But I am unable ping the same from any of the other PE routers, or remote CE devices. I am able to ping the Tunnel IP address of the CE, from any of my PE, or remote CE devices, but not the 192.168.30.0 prefix.  Now I am able to trace & telnet into the remote CE device too, but not ping to it. This seems very stange.. I have ensured that no filters / acl's are in place blocking the same.


Kindly advise.


With warm regards,

Vinod.