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Using SNMP GET requests in a Custom Script Sensor
This article shows how you can use SNMP GET requests inside a script for a custom sensor.
Using the SNMPGET command you can request any OID of a device and process the results. Note: The IP adress is taken from the associated server of the current sensor.
' This sample IPCheck Custom Sensor Script reads the system uptime and does nothing serious with it... 'initialize sensor's result to status of "error" sensor.resultvalue=0 'For Version 5.2 or earlier use: sensor.resultvalue=0 sensor.status=srError sensor.errortype=etNone 'get the snmp values (as string) 'this OID gives us the system uptime, supported by most devices result=snmpget("public","220.127.116.11.18.104.22.168.0") 'check for errors (always begins with the word "ERROR") if pos("ERROR",result)=1 then sensor.errorstring=result sensor.errortype=etprotocol else mynumber=strtoint(result) \'set result and status sensor.resultvalue=mynumber 'For Version 5.2 or earlier use: sensor.resultvalue=mynumber \'set to error if result is < 10 if freememory < 10 then sensor.status=srError else sensor.status=srok end if end if