[4776] in North American Network Operators' Group
Re: Best way to deal with bad advertisements?
daemon@ATHENA.MIT.EDU (Avi Freedman)
Sat Sep 28 15:06:26 1996
From: Avi Freedman <freedman@netaxs.com>
To: amb@xara.net (Alex.Bligh)
Date: Sat, 28 Sep 1996 15:04:24 -0400 (EDT)
Cc: mpetach@netflight.com, nanog@merit.edu
In-Reply-To: <199609281723.SAA28694@diamond.xara.net> from "Alex.Bligh" at Sep 28, 96 06:23:44 pm
> We got hit by some guys from Poland (which made them uncontactable
> by phone).
>
> Try this:
>
> * Continue to advertise your /16s
> * Advertise more specifics of only the routes from the closest
> AS to the trouble. Ensure they also filter the bad routes
> as do all the AS's between that and the customer.
> * If anyone filters the more specifics, you will be *fine*
> as they will also be filtering the bogon more-specifics,
> but will still hear your /16s.
Ah, true :)
I knew there was a reason we were fine just announcing matching
more specifics.
> * Take the AS path to the bogon route. Complain to
> those in the AS path in reverse order, till you get
> to someone default free. You might also want to enlist
> the help of your upstream.
>
> Alex Bligh
> Xara Networks
Avi