I donīt think there is other link between CEF and as-path problems than
the fact that both run in an architechture where there is practically no
in-memory protection between processes.
Pete
----- Original Message -----
From: "George Robbins" <grr@shandakor.tharsis.com>
To: <cisco-nsp@puck.nether.net>; <cmartin@gnilink.net>; <pete@kpnqwest.fi>
Sent: Wednesday, October 11, 2000 6:23 PM
Subject: Re: [nsp] The Case of the Mysterious AS-Path Parser Issues
> Well is it just a CEF problem or also as-path/regexp problem?
>
> CEF fails in various definable (if not fixable) ways, I've never seen
> a problem with as-path stuff. If CEF is involved, that I'd wonder if
> it's as-paths getting corrupted or just bad routes that are getting
> clear as part of the workaround...
>
> We've been thru the CEF nightmares but haven't seen as-path problems.
>
> George
>
> > From cisco-nsp-request@puck.nether.net Wed Oct 11 11:11:42 2000
> > Resent-Date: Wed, 11 Oct 2000 11:09:25 -0400
> > Received-Date: Wed, 11 Oct 2000 11:07:35 -0400
> > From: "Petri Helenius" <pete@kpnqwest.fi>
> > To: "Martin, Christian" <cmartin@gnilink.net>,
<cisco-nsp@puck.nether.net>
> > References: <94B9091E1149D411A45C00508BACEB353D0459@entmail.gnilink.com>
> > Subject: Re: [nsp] The Case of the Mysterious AS-Path Parser Issues
> > Date: Wed, 11 Oct 2000 18:06:59 +0300
> > Resent-From: cisco-nsp@puck.nether.net
> > X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/3937
> > X-Loop: cisco-nsp@puck.nether.net
> > Precedence: list
> > Resent-Sender: cisco-nsp-request@puck.nether.net
> >
> >
> > This behaviour has been around for quite a while and so has been the
> > workaround.
> >
> > It basically comes down to the same things that cause you to say "no ip
> > cef",
> > "ip cef dist" on boxes at times to rebuild the tables that have been
> > overwritten
> > by broken software.
> >
> > Pete
> >
> > ----- Original Message -----
> > From: "Martin, Christian" <cmartin@gnilink.net>
> > To: <cisco-nsp@puck.nether.net>
> > Sent: Wednesday, October 11, 2000 5:30 PM
> > Subject: [nsp] The Case of the Mysterious AS-Path Parser Issues
> >
> >
> > > Has anyone noticed that the config parser (or the regexp engine)
fubars ip
> > > as-path lists at random? I've had this happen numerous times in
various
> > > 12.08-11S images. Essentially, the workaround has been to blow away
the
> > > list and rebuild it. This is really ugly, however, as we get calls
from
> > > customers when their routes drop off the net, and they think we're
> > breaking
> > > stuff.
> > >
> > > Any comments/ideas/suggestions would be appreciated.
> > >
> > > ./chris
> > >
> > >
> >
> >
>
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:18 EDT