[72548] in North American Network Operators' Group
Re: as path filtering -- cisco implementation
daemon@ATHENA.MIT.EDU (Steve Baxter)
Fri Jul 16 15:56:58 2004
From: Steve Baxter <steve@pipenetworks.com>
Date: Sat, 17 Jul 2004 05:56:19 +1000 (EST)
To: nanog@merit.edu
In-Reply-To: <20040716184716.GA76831@scylla.towardex.com>
Errors-To: owner-nanog-outgoing@merit.edu
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
Largest peering network downunder
phone : 07 3233 9800/ 0417 818 695
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