[12842] in North American Network Operators' Group
Re: UUNet Routing SNAFU
daemon@ATHENA.MIT.EDU (Cengiz Alaettinoglu)
Thu Oct 9 12:22:18 1997
To: danny@genuity.net
Cc: "C. Harald Koch" <chk@utcc.utoronto.ca>,
"Selina F. Priestley" <selina@ans.net>,
Michael Dillon <michael@priori.net>, nanog@merit.edu, cengiz@isi.edu
In-Reply-To: Your message of "Wed, 08 Oct 1997 18:37:22 PDT."
<199710090137.BAA18764@ice.genuity.net>
Reply-To: cengiz@isi.edu
Date: Thu, 09 Oct 97 09:09:27 PDT
From: Cengiz Alaettinoglu <cengiz@isi.edu>
Danny McPherson on Wed, 08 Oct 1997 18:37:22 -0700 said:
>
> > And since I helped *create* the CA*net database *and* the CA*net route
> > filters based on the various DBs, yes, I meant RADB.
>
> How many providers actually apply prefix-based filtering (based on IRR
> objects) to other providers?
>
> I like the idea of prefix-based filtering applied to customers (by everyone
> that claims to be tier 1 & 2 (&3), at the very least), as well as the idea of
> configuring static filters for /19s and such, but if I were to build 46K++
> lines of ACLs to filter prefixes from all eBGP peers for all registered
> prefixes (from several different registries) .. my routers wouldn't be
> manageable.
You may want to check out our configuration generation tool RtConfig in
http://www.isi.edu/ra/RAToolSet. RtConfig does a good job of generating those
46K+ lines automatically from IRR.
Cengiz
