North American Network Operators Group
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Re: routing between provider edge and CPE routers
- From: Christopher L. Morrow
- Date: Wed Jan 29 14:47:25 2003
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?)
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