Re: Collecting CPU & Memory Utilization on Cisco Catalyst 6500

Stuart,

Very good documentation.  Thanks for putting these together and make it 
available to all of us.

Tam Vo




Stuart Kendrick <[email protected]> 
Sent by: [email protected]
12/19/2005 08:38 AM

To
Tam Vo <[email protected]>
cc
[email protected]
Subject
Re: Collecting CPU & Memory Utilization on Cisco Catalyst 6500






hi tam,

one can query an OID without having any MIB files installed ...

ohio> snmpget -c public test-rtr 
.1.3.6.1.4.1.9.9.109.1.1.1.1.4.1
SNMPv2-SMI::enterprises.9.9.109.1.1.1.1.4.1 = Gauge32: 11
ohio>

however, if one wants to query by object-value ... that's when one needs 
MIB files installed.  the MIB files permit the net-snmp utilities to 
translate between that long string of numbers and something vaguely 
human-readable:

guru> snmptranslate .1.3.6.1.4.1.9.9.109.1.1.1.1.4.1
CISCO-PROCESS-MIB::cpmCPUTotal1min.1
guru> 
guru> snmpget -c public test-rtr cpmCPUTotal1min.1
CISCO-PROCESS-MIB::cpmCPUTotal1min.1 = Gauge32: 11
guru>

i'm guessing that either (a) you haven't yet copied the Cisco enterprise 
MIB files to the appropriate location, or (b) you haen't yet modified 
net-snmp's snmp.conf file to tell the net-snmp libraries to look at this 
location.

i post some rudimentary install instructions around this -- how to install 

enterprise MIB files (like Cisco's) and how to persuade the net-snmp 
toolkit to use them -- at http://www.skendric.com/device/   that URL, and 
http://www.skendric.com/trend/ also contain Perl code which queries 
various Cisco-specific object-values ... you might find some of the 
variables useful, if not the code itself.

--sk

stuart kendrick
fhcrc


Subject: Re: Collecting CPU & Memory Utilization on Cisco Catalyst 6500
From: Dave Shield <[email protected]>
To: Tam Vo <[email protected]>
Cc: [email protected]
Date: Mon, 19 Dec 2005 09:09:35 +0000

On Fri, 2005-12-16 at 11:16 -0800, Tam Vo wrote:
> I am able to get MIB-II information from the switch, but nothing else.

How are you trying to retrieve the Cisco-specific information?
What commands are you giving?



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