nanog mailing list archives

Re: as path filtering -- cisco implementation


From: Steve Baxter <steve () pipenetworks com>
Date: Sat, 17 Jul 2004 05:56:19 +1000 (EST)



Do you have 'soft-reconfiguration inbound' on ?

If so it will hit the BGP table but will be marked as received-only.
This allows for re-scanning of the table in order to effect filter and
other changes without a hard reset of the session.



Is inbound as-path filtering an efficient way of
preventing routes from entering your bgp table? How
come the filtered routes still show up in the bgp
table and not in the routing table? What is hit on the
CPU?


-- 
Stephen Baxter

PIPE Networks: Peering,IX points and dark fiber in Australia
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