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Cisco - Graphing Temp?

Posted on 2005-04-19
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I have a Cisco 3845 router, and am using MRTG to graph CPU and Interfaces.

Is there a way to graph temperature?  I'd like to actually graph the real temp.  But I think within IOS there's also a way to set thresholds and do an SNMP get to query the status of those?

But if possible I would prefer a way to do an SNMPGET and have it return the current ambient temp in degrees.  

Thanks,
Shane
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Question by:shanepresley
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by:lrmoore
ID: 13818320
Have you tried using this OID
entSensorValue (1.3.6.1.4.1.9.9.91.1.1.1.1.4)
You may need the Entity Sensor MIB's, and I don't think they're included with MRTG..
http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&mibName=CISCO-ENTITY-SENSOR-MIB
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by:shanepresley
ID: 13818380
snmpget -v1 -c mycomstring myIPaddress 1.3.6.1.4.1.9.9.91.1.1.1.1.4
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: SNMPv2-SMI::private.9.9.91.1.1.1.1.4

Hmm, well I should be able to do an SNMPGET, even if I don't compile the MIBs right?  I usually just use the OID directly, and skip the MIB names?  Not sure if that matters, somewhat new to SNMP.  But so far I've avoided having to import or compile MIBs, except when I want to use names instead of numbers.

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lrmoore earned 2000 total points
ID: 13818523
It's supported on the big Catalyst chassis, but I can't find anything near this for the router chassis
http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094b9e.shtml

There are some very specific router images that support this OID, but nothing for the 3800 series..

Good reference page to bookmark
http://www.cisco.com/en/US/tech/tk648/tk362/tk605/tsd_technology_support_sub-protocol_home.html

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by:shanepresley
ID: 13823938
Great link, thanks!
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