pnp4nagios, check_snmp, and the `-m' flag

[Thomas Guyot-Sionnest]

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On 17/11/09 12:35 PM, David Krider wrote:
> On Mon, 2009-11-16 at 18:15 -0500, Thomas Guyot-Sionnest wrote:
>> The problem is that check_snmp parses the output from snmpget and it
>> appears that when you load the MIB it detects the result as a string (if
>> you post the full debug output (-vvv switch) I will be able to confirm).
> 
> Just because you asked. I'm not all that worried about it. The MIB is
> obviously reporting an INTEGER value, but getting the units back is
> confusing the issue.
> 
> 
> temporary ~ # /usr/lib/nagios/plugins/check_snmp -vvv -H 10.1.25.11 -m
> EATON-PWR-MTR-MIB -o .1.3.6.1.4.1.534.8.3.1.5.1.1.4.1
> /usr/bin/snmpget -t 1 -r 5 -m EATON-PWR-MTR-MIB -v 1 -c public
> 10.1.25.11:161  .1.3.6.1.4.1.534.8.3.1.5.1.1.4.1
> EATON-PWR-MTR-MIB::pwrMtrDemandKiloWatts.1 = INTEGER: 26 kilo-watts
> 
> SNMP OK - 26 kilo-watts |

You may be able to get the perfdata again by specifying a warning or
critical threshold. The code changed lately so if it doesn't work with
an older version you may want to try with 1.4.14 (the version I looked at).

Note though that check_snmp runs faster without loading any mibs, which
is an important tuning for large monitoring systems using this plugin.

- --
Thomas
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