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Sensor SNMP return special value



Dear support,

We have a device that we query using SNMP, we use a MIB and the SNMP Library type sensor.

We are able to get the value, MIB is working. But what we get is :

'26% - Database capacity usage is OK' is not a valid integer value

But the value is followed with another status which is - Database capacity usage is OK

Of course PRTG is not happy with that and cannot graph this value properly.

Can we tell to PRTG to only consider the first 2-3 value in string to display a graph? Because 26% is the value I would like to graph.


prtg snmp snmp-library

Created on Nov 2, 2011 8:23:47 AM

3 Replies

Accepted Answer



Sorry, parsing string values to numeric ones is not possible with PRTG.

Often, devices provide those values additionally as integer (at a different OID). Please check if your device acts this way and use an integer counter instead.

Created on Nov 2, 2011 3:16:04 PM by  Daniel Zobel [Product Manager]



Dear Sir,

I got a look on the new features of PRTG 9 and I've seen that there's now a SNMP String sensor....is this address my problem maybe ?


Created on Nov 4, 2011 10:47:51 AM




you can check for a certain text in the string, so it could certainly help you.



Created on Nov 7, 2011 8:01:00 AM by  Aurelio Lombardi [Paessler Support]

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