[55478] in North American Network Operators' Group
Re: routing between provider edge and CPE routers
daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Wed Jan 29 14:44:07 2003
Date: Wed, 29 Jan 2003 19:35:45 +0000 (GMT)
From: "Christopher L. Morrow" <chris@UU.NET>
To: Mike Bernico <mbernico@illinois.net>
Cc: <nanog@merit.edu>
In-Reply-To: <7CD4CD9D537C294D9ED9E5CE2F019106B6BC4A@MAILSERV.linc2icn.net>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 29 Jan 2003, Mike Bernico wrote:
>
>
> Hi,
>
> I apologize if this has been asked before. I work for an ISP that
> started very small (hundreds of T1 and 56k customers) and has grown very
> large in the last few years (thousands of T1 customers, as well as DS3
> customers and OC3 customers).
>
> We currently use an IGP to route between our distribution routers and
> the CPE routers we manage. This has historically worked very well. We
> have recently begun running into scalability issues however. We have
> some distribution routers that have over 1000 T1 interfaces on them.
> This is causing some problems with stability in that edge IGP. Does any
> other service provider use an IGP all the way to the customer for non
> BGP customers or are we the only one? I have a feeling we maybe are.
So, if customers bounce your IGP churns away? And customers have access to
your IGP data (provided they break into the CPE, which is trivial, eh?)
