[mrtg] Re: Target OID maths

Sawyer, David david.sawyer at mckesson.co.uk
Mon May 13 10:23:32 MEST 2002

Check out my web site and click on 'MRTG Help' on the top frame.

Let me know if you still have problems.

David Sawyer

Email: david.sawyer at mckesson.co.uk

   MRTG/RRDTool daemon for Windows9x/ME/2k
   MRTG GUI ConfigMaker for Windows9x/ME/2k
   TopTalker - See who the top talkers are on your network
   TFTP Cisco configs automagically

-----Original Message-----
From: robert.harrowfield at axon.co.nz
[mailto:robert.harrowfield at axon.co.nz]
Sent: 13 May 2002 04:33
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Target OID maths


I want to calculate AVAILABLE disk on an Alpha, that
gives me USED space and TOTAL SPACE via snmp. Therefore, I need to do some
maths (ie Total OID - Used OID&Total OID - Used OID)... I've had a go at
doing this, as per the cfg manual, but it doesnt seem to work when you are
directly specifying OID's.

Can anyone shed some light on how I should structure the target line to do


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