Team Cymru has some really good examples on how to configure something similar (utilizing their BOGON feed).
http://www.team-cymru.org/Services/Bogons/bgp.html Scroll down to "AUTOMATICALLY FILTERING BOGONS" for IOS, JUNOS, etc examples On Tue, Feb 22, 2011 at 4:42 PM, David Hubbard < dhubb...@dino.hostasaurus.com> wrote: > I was wondering if anyone has a howto floating around on the > step by step setup of having an internal bgp peer for sending > quick updates to border routers to null route sources of > undesirable traffic? I've seen it discussed on nanog from > time to time, typically suggesting using Zebra, but could > not search up a link on a step by step. > > Thanks, > > David > >