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Re: Prefix filtering for Cisco SUP2

  • From: Suresh Ramasubramanian
  • Date: Fri Feb 29 21:12:00 2008
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Is it time for this nanog thread again?


On Fri, Feb 29, 2008 at 11:45 PM, Henry Futzenburger
<[email protected]> wrote:
> 1. Accept only default and partial routes from upstream.
>     a. Accept directly-connected routes, reject everything else and rely on
> the default route.
>     b. Assume a reduction to about 30,000 unique routes per upstream ISP
> (currently 3).
> 2. Accept only default and RIR minimum routes from upstream.
>     a. Filter based on RIR minimums, rely on default for unaggregated
> routes.
>     b. Assume a reduction of about 50,000-100,000 total routes.