From: Landon Fitts (l.fitts@xxxxxxxxxxxxxx)
Date: Thu Apr 25 2002 - 00:06:35 GMT-3
Guys,
Here is an excerpt from cco -
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fswt
ch_c/swprt1/xcfipsp.htm#xtocid7
(watch the word wrap)
For some diagnostics, such as debugging and packet-level tracing, you will
need to disable fast switching. If fast switching is running, you will not
see packets unless they pass through the Route Processor (RP). Packets would
otherwise be switched on the interface. You might want to turn off fast
switching temporarily and bypass the RP while you are trying to capture
information.
Regards,
Landon Fitts
CCNP, CCDP, NNCSE, NNCDE
l.fitts@mindspring.com
----- Original Message -----
From: "Lupi, Guy" <Guy.Lupi@eurekaggn.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, April 24, 2002 9:24 PM
Subject: ip route-cache
> I have noticed on several occasions that on my 2500 series routers, I will
> try to set up priority or custom queueing and turn on debugging and find
> that it is not working. Then I go to the interface and use the "no ip
> route-cache" command, and all of the sudden I see the debug outputs and
the
> access list for the queueing taking hits. I have found that I only need
to
> do this on the 2500's, and not on the 2600's. Does anyone know of a link
> that explains when and why one should turn off ip route-cache? I
understand
> that it disables fast switching and enables process switching, I just
don't
> know exactly when to use it. Thanks.
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