[12796] in North American Network Operators' Group
Re: UUNet Routing SNAFU
daemon@ATHENA.MIT.EDU (Dorian R. Kim)
Wed Oct 8 14:09:42 1997
Date: Wed, 8 Oct 1997 13:54:41 -0400 (EDT)
From: "Dorian R. Kim" <dorian@blackrose.org>
To: Michael Dillon <michael@priori.net>
cc: nanog@merit.edu
In-Reply-To: <v03110710b06160330f78@[209.104.193.33]>
On Wed, 8 Oct 1997, Michael Dillon wrote:
> >At this time I am receiving a ton of bogus routes originating from AS701.
> >This
> >AS has hijacked all the /24 subnets of 128.1 through 128.1xx. Since the more
> >specific route prevails in the cidr world they have managed to wipe out my
> >network 128.9.0.0 not to mention a hundred other 128.x networks.
>
> Isn't this the kind of problems that the Doran filters are supposed to prevent?
>
> I understand that it is not to everyone's benefit to filter on the /19
> boundary like Sprint does but it seems to be prudent to adopt a /8 filter
> on most of the old class A space and a /16 filter on the old class B space.
> Other than the need to update these filters as the former class A space is
> subdivided I can see no major downside.
And networks that 1) do prefix filtering of peers, or 2) have the satanic
phylters in place didn't even notice yesterday's snafu.
-dorian
