Prefix filtering for Cisco SUP2

Sat Mar 1 02:09:07 UTC 2008

Is it time for this nanog thread again?

http://www.merit.edu/mail.archives/nanog/msg02822.html

srs

On Fri, Feb 29, 2008 at 11:45 PM, Henry Futzenburger
<henryfutz at gmail.com> 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.