[mrtg] Re: Monitoring Cisco 6509 CPU %

Roth, Gabrielle gabrielle.roth at xo.com
Fri Nov 30 16:38:08 MET 2001

Aha, you have fallen for one of the classic blunders.  Never assume that a
CISCO OID that's supported on one device will be supported on another,
especially if one of those devices is a router and the other is a switch.

For Cisco MIBs:

Go to http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml

Pick your device from the appropriate list, in this case, LAN switches.  You
will get back a list of supported MIBs related to software versions.  This
is where is gets tricky...you kind of have to know what you're looking for
to be able to find it.  Here's a hint:  Try CISCO-PROCESS-MIB first. :)

To get the fully-qualified OIDs, go back out to the main page, and go to the
"OIDs" link.  From there, go to CISCO-PROCESS-MIB again, and look up the OID
name.  This is a little easier and more accurate than trying to figure it
out from the MIB itself IMO.

If you missed my post about the temperature the other day: I'd recommend
walking this section of the mib from the command line to familiarize
yourself with your data instead of just blindly plugging in OIDs.

"Five out of four people have a problem with math."

>-----Original Message-----
>From: Otis, Charlie W. [mailto:Charlie-Otis at ouhsc.edu]
>Sent: Friday, November 30, 2001 6:26 AM
>To: mrtg at list.ee.ethz.ch
>Subject: [mrtg] Monitoring Cisco 6509 CPU %
>I am having trouble getting the cpu utilization on my Cisco Catalyst
>6509.  I have tried a few of the OID's on the last few treads, but when
>I try them it gives me an snmp error like it doesn't understand the get
>variable.  Does anyone use or know where I can find the OID's for this
>and other Cisco Devices?

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