[mrtg] Re: 911-MRTG Problem of OIDs of TIGRIS...

[Mike Koch]

Hello,

I don't think MRTG is able to graph directly this kind of graph... If I
understood correctly, you want to graph the DIFFERENCE between the values
returned by the OID you query : in this example 352-345=7 and 354-352=2.

You are right, it is not a gauge as you don't want to graph 352,345,354. It
is not a counter as well as it is not ever growing.

However, I think there is a solution : write a little script that query this
OID and compares it to the precedent value (stored in a file on the disk for
example). If the difference is negative just returns 0, if the difference is
positive, just returns this difference. After that, in your target in the
cfg file for MRTG, just put this script...

Don't know if it will help you...


-----Original Message-----
From: FERKAN YALCIN (NO-INVAS-WDP)
[mailto:ferkan.yalcin at turkcell.com.tr]
Sent: jeudi 12 juillet 2001 09:29
To: 'Alex van den Bogaerdt'
Cc: MRTG users
Subject: [mrtg] Re: 911-MRTG Problem of OIDs of TIGRIS...



	Hi sir,
	As stated before, the problem occurs only when graphing the
number of subscribers, not in CPU monitoring or bandwidth monitoring. I
created a new configuration file for monitoring number of subscribers.
	I want to graph the number of subscribers dial in during
5-minutes periods. In one of the 5-minute period, for example 7
subscribers diled in and in the following 5-minute period say 2 subs.
dialed in. Aim, is to graph these data, namely 7 and 2 by MRTG.
	I do not use "gauge" option since the value of the counter can
be, say 345 in the first sampling time, and in the second sampling
time(i.e. 5 minutes later) 352. And in the last sampling time, value of
this counter will be 354. Thus, I do not want to graph 345-352-354 data.
	Unfortunnatelly, the configuration I made is useless for my
project. Do you have any suggestion?
	Hope this explanation clarifies your questions....
Best regards...
Ferkan.

> > [...] .95.87.65.80:public at 212.252.234.130 * 300"

You write that you have problems with the third item.   You are
multiplying by 300 (indicating that you think it is a counter) and
you are talking about bandwidth.  On the other hand, you are talking
about number of subscribers which whill be a gauge ?!?  So, what is
it ?  What's going wrong and for which target ?

HTH
-- 
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