On 19/08/2009, at 6:58 AM, Ivan Pepelnjak wrote:
No. You cannot influence the inbound traffic apart from not
advertising some
of your prefixes to some of your neighbors or giving them hints with
BGP
communities or AS-path prepending. Whatever you do with BGP on your
routers
influences only the paths the outbound traffic is taking. What you'd
actually need is remote-triggered black hole. Search the Nanog
archives for
RTBH, you'll find a number of links in a message from Frank Bulk
sent a few
days ago.
Or, you can prepend your advertisement with the troublesome ASN.
Works for one or two troublesome ASNs as a quick hack at 3am - don't
do it unless you understand why it works and why you shouldn't do it.
--
Nathan Ward
