[mrtg] Re: Multiply/Divide OID values

[Paul C. Williamson]

Two problems here...

You need spaces in between the references (just like 
the + and - operators).

You need valid OIDs, not fake ones that your system 
does not know about.  The constants most likely will 
be treated as shorthand interface numbers or some 
other unpredictable amount.  The challenge is to 
find OIDs that your system always returns the same 
value for.

Paul

>>> "Cadena, Carlos" <Carlos.Cadena at dpcdsb.org> 02/25/02 17:06 PM >>>

Hi,
What I didi was the following:
Target[Interface_Name]:
(OID1&OID2:Community at IP)*(Constant1&Constant1:Community at IP) or

Target[Interface_Name]:
(OID1&OID2:Community at IP)/(Constant1&Constant1:Community at IP)

As aresult Mrtg says to you that Constant1 is tosmall OID (I thnik is
confused because it does not appear a series of .#.#.#.#... as is a general
OID.

It does not worked.

Any help is greatly appreciated.
Best Regards,
             Carlos Cadena
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-----Original Message-----
From: Paul C. Williamson [mailto:pwilliamson at mandtbank.com]
Sent: Monday, February 25, 2002 4:52 PM
To: Carlos.Cadena at dpcdsb.org; mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: Multiply/Divide OID values



Same rules apply...

>>> "Cadena, Carlos" <Carlos.Cadena at dpcdsb.org> 02/25/02 04:43PM >>>

Hi Mrtg people,

Can someone tell me where I can find info about mathematical operation with
OIDs.
I need to multiply and divide by constant values, the reported value from
OIDs to display the values in the graph.

I have looked in the web and I found how to add (substract) OIDs but nothing
about multiplication/division or any other operation.

Best Regards,
                    Carlos Caena



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