[mrtg] Re: Please Help: My Memory Graphs are Tempermental?!?!

[Keith Kruepke]

Jenny,

When MRTG polls the OID, it then subtracts the previous value to get the value it should graph.  (This is because, unless it is told otherwise, MRTG assumes that it is checking a counter (of traffic) that just builds with each invokation.)  In your case, you need to tell it otherwise.  The gauge option is the one you want, and it is used as such:

    Options[target]: gauge

I think this is all you need to do (someone please correct if I am wrong here).  The doc that this should be in is the config.html doc (in your ./doc directory in the MRTG distribution), so have a look at that one for more information.  There are some other good options available...

Good luck,
Keith

----- Original Message ----- 
From: "Seeto, Jenny" <Jenny.Seeto at team.telstra.com>
To: "Mrtg (E-mail)" <mrtg at list.ee.ethz.ch>
Sent: Sunday, August 27, 2000 7:58 PM
Subject: [mrtg] Please Help: My Memory Graphs are Tempermental?!?!



Hello all,

Can anyone shed some light on my prob?
I am trying to graph the Processor & I/O memory usage for two Cisco 4700
series routers. I can only graph the Processor Memory usage for one router.
All the other memory graphs are flat lines (zero...) 

However, if I do an snmpget on the OID's for each router.. a value is
returned. 
The logs also show these snmpget results on the first line, but the rest of
the lines are 0.
For the memory graph that is working... the log is filled with all the
snmpget results.

The OID's i'm using are:
Processor Mem Used:  1.3.6.1.4.1.9.9.48.1.1.1.5.1
Processor Mem Free:  1.3.6.1.4.1.9.9.48.1.1.1.6.1

I/O Mem Used:  1.3.6.1.4.1.9.9.48.1.1.1.5.2
I/O Mem Free:  1.3.6.1.4.1.9.9.48.1.1.1.6.2

I've checked all the past hints, docs, mailing list, but can't find any
solution to this prob!

Any help is greatly appreciated, and many thanks in advance...

Kind regards, 

Jenny Seeto
> Information Technologist
> Infrastructure Services & Wholesale
> - Technology Solutions
> ____________________________________
> E-mail   *   Jenny.Seeto at team.telstra.com
> 
> 
> 

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