From: Lupi, Guy (Guy.Lupi@xxxxxxxxxxxxx)
Date: Thu Apr 25 2002 - 14:39:58 GMT-3
Thanks for that link. Now my question is, since I had to turn off ip route
cache to see the debugging output and the hits on the ACL, was the priority
queueing working with ip route cache turned on? I imagine that it was,
since I have never seen a reference that states you have to turn route
caching off when using it.
~-----Original Message-----
~From: Landon Fitts [mailto:l.fitts@mindspring.com]
~Sent: Wednesday, April 24, 2002 11:07 PM
~To: Lupi, Guy; ccielab@groupstudy.com
~Subject: Re: ip route-cache
~
~
~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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