Re: UUNet Routing SNAFU

["Dorian R. Kim" <dorian () blackrose org>]

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