[mrtg] Want to monitor System temperature of 2811 router - Need OID

Mersberger, Robert robert.mersberger at goldenliving.com
Tue Aug 26 19:09:01 CEST 2008

I would like to monitor the system temperature that is shown when one
doe the show env command on the router.
Would anyone know the OID that I would need to use to accomplish this or
maybe have a better solution. 
I tried looking through the results of an snmpwalk for the router but
that was of little help.
If someone can help I would appreciate it.


From: mrtg-bounces at lists.oetiker.ch
[mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Hughes, Andy
Sent: Friday, August 22, 2008 10:06 AM
To: Steve Shipway; 'mrtg at lists.oetiker.ch'
Subject: Re: [mrtg] Newbie question

Steve, thanks again. I have changed the task to run every 5 minutes,
which currently means it fails every 5 minutes.
Here is a snippet that appears after manually trying to run (community
string and IP changed). The hosting provider swears they have not
altered the community string.  Does anything look obviously wrong?
SNMPv1_Session (remote host: "" [].161)
                  community: "xxxxxxx"
                 request ID: 1304582469
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
 at C:/mrtg-2.16.2/bin\..\lib\mrtg2/SNMP_util.pm line 492
SNMPGET Problem for ifInOctets.1 ifOutOctets.1 sysUptime sysName on
xxxxxxx at <mailto:xxxxxxx at>

 at mrtg line 2202
2008-08-19 09:04:54: WARNING: skipping because at least the query for
.1 on did not succeed
2008-08-19 09:04:54: WARNING: no data for
ifInOctets&ifOutOctets:xxxxxxx at 1 Skipping further queries for Host in this round.


From: Steve Shipway [mailto:s.shipway at auckland.ac.nz] 
Sent: Friday, August 22, 2008 12:36 AM
To: Hughes, Andy; 'mrtg at lists.oetiker.ch'
Subject: RE: Newbie question

The location of error logs depends on your system setup; I can't help
you there.
MRTG will poll at 5min intervals by default only if you are using Daemon
mode (you arent).  Therefore, you should set your cron job to run every
5 mins, unless you have explicitly set a 10min interval (you havent).

From: mrtg-bounces at lists.oetiker.ch [mrtg-bounces at lists.oetiker.ch] On
Behalf Of Hughes, Andy [Andrew.Hughes at aquilent.com]
Sent: Friday, 22 August 2008 5:15 a.m.
To: 'mrtg at lists.oetiker.ch'
Subject: Re: [mrtg] Newbie question

Steve, thanks very much for the response.  I will pursue what you have
I did search for some error logs but found none. Where are they hiding?
Is mrtg by default going to run every 5 minutes without my intervention,
or are you saying I should change the task to run every 5 minutes
instead rather than the 10 I set up?
Thanks again!


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