North American Network Operators Group
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Re: as path filtering -- cisco implementation

  • From: Steve Baxter
  • Date: Fri Jul 16 15:58:20 2004 
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

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