[mrtg] Re: mrtg & rrdtool & max values

Rainer Bawidamann Rainer.Bawidamann at rz.uni-ulm.de
Mon Nov 20 16:13:20 MET 2000

In article <200011201423.eAKENAK23762 at rotta.tmt.tele.fi>,
	odie at rotta.tmt.tele.fi writes:

> Can I somehow store the measured maximum values instead of the
> averaged ones?

MRTG measures averages, i.e. it measures how much data was received/sent
by an interface during a 5 minute interval. This gives an average
traffic rate. The MAX RRAs will store the maximum of the 5-minute
averages (for a longer time period).

You cannot measure the maximum traffic rate of a 5 minute interval: In
fact the maximum is MaxBytes/AbsMax (if you make the interval shorter
than it takes to transmit a packet you will see a 'full' network for the
whole interval). You just can make the interval shorter.

Rainer.Bawidamann at rz.uni-ulm.de

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