From: Greg Wendel (gwendel@gmail.com)
Date: Thu Apr 12 2007 - 16:47:02 ART
Another good resource would be https://puck.nether.net/pipermail/cisco-nsp/
.
On 4/12/07, Todd, Douglas M. <DTODD@partners.org> wrote:
>
> Bob:
>
> You may want to ping the nanog news group (ISP News group) they have a lot
> of
> experience with these issues and may be a good resource for you.
> http://www.nanog.org/
>
> Douglas
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Bob.Barnes@thomson.com
> Sent: Thursday, April 12, 2007 10:42 AM
> To: ccielab@groupstudy.com
> Subject: Issues using MPLS with a VPN back-up
>
> Looking for a little help here...
>
> We are implementing MPLS VPN with Verizon and would like to use standard
> ISP GRE
> VPN tunnels as a back-up. We have tried OSPF with sham links and
> redistribution
> into BGP. Now, we have a little twist. Our QC and Dev segments are
> addressed
> 11.0.0.0/8 and 12.0.0.0/8 respectively (something I inherited and it
> cannot be
> re-addressed). The rest of our address space is private and is not having
> issues using OSPF with the sham links. Now here are the issues we are
> having:
>
> With OSPF the 11.0.0.0 and 12.0.0.0 addresses are not being installed on
> the
> carrier router. With BGP redistribution, we are losing the dynamics of
> our GRE
> VPN back-up.
>
> Does anyone have experience with MPLS installations and advice on how we
> can
> proceed? We would like to move away from using OSPF sham links because of
> apparent scalability limitations. We have not tried using VRFs on the CE
> routers to date. Is this the suggested direction?
>
> My apologies for turning to the study group for suggestions. I have
> pinged
> Cisco for suggestions as well but they have not been able to come up with
> a
> suitable answer, yet. We have also worked closely with Verizon but their
> engineers are stumped as well. I am looking for any resource that may
> have more
> experience in this area.
>
> Thanks!
>
> Bob Barnes
> Manager - Data Communications
> Prometric
> (443) 455-6529
> bob.barnes@prometric.com
>
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-- Gregory Wendel Springfield VA, 22153
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