[mrtg] Need a hint on SNMP-Problem

[Andre Timmermann]

Hello List,

I'm using mrtg-2.9.17, which comes with my debian.

I want to monitor some values coming from a rack monitorin system with snmp.
At first i need to track the temperatre and the humidity values delivered
by the sensors in the rms.

Here is the snmpget for the temperature:
# snmpget -v 1 -c public rms1 1.3.6.1.4.1.2769.10.4.1.1.3.1
SNMPv2-SMI::enterprises.2769.10.4.1.1.3.1 = INTEGER: 25

This is the snmpget for the humidity:
# snmpget -v 1 -c public rms1 1.3.6.1.4.1.2769.10.5.1.1.3.1
SNMPv2-SMI::enterprises.2769.10.5.1.1.3.1 = INTEGER: 35

So it seemes that snmp is working correctly.

I have put this in my config:

# temperature
Target[rms1_2]:
1.3.6.1.4.1.2769.10.4.1.1.3.1&1.3.6.1.4.1.2769.10.4.1.1.3.1:public at rms1:
MaxBytes[rms1_2]: 30
Unscaled[rms1_2]:  dwym
YLegend[rms1_2]:  Temp
Options[rms1_2]: gauge,nopercent,growright


# humidity
Target[rms1_3]:
1.3.6.1.4.1.2769.10.5.1.1.3.1&1.3.6.1.4.1.2769.10.5.1.1.3.1:public at rms1:
MaxBytes[rms1_3]: 30
Unscaled[rms1_3]:  dwym
YLegend[rms1_3]:  Hygro
Options[rms1_3]: gauge,growright

Now I get the data and graphs for the temperature, but not for the humidity.

The log for humidity shows:
# head rms1_3.log
1042453203 35 35
1042453203 0 0 0 0
1042452904 0 0 0 0
1042452900 0 0 0 0
1042452600 0 0 0 0
1042452300 0 0 0 0
1042452000 0 0 0 0
1042451700 0 0 0 0
1042451400 0 0 0 0
1042451100 0 0 0 0

So only the first line seemes to be updated, but I do not know why.

I have tried to use an external monitoring script to make shure, that mrtg
has no problem with the rms, but this did not help.

I just need a hint to find a solution, please ;o)

Greetz,
Andre Timmermann

--
Andre Timmermann
Berufsakademie Loerrach
Student Wirtschaftsinformatik


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