[mrtg] Percentage Utilisation ?

Hunt, Chris cjhunt at lehman.COM
Thu May 31 13:43:25 MEST 2001


I've recently looked at deployment of MRTG for coverage of our WAN links'
throughput. I'm quite impressed so far but my management say that they would
be happier with seeing a pair of graph lines in the chart that just show
percentage utilisation.

I replied that they should look at the figures below the graph, but they
want the graph to be in the form of a percentage of available bandwidth
rather than the actual number of octets.

I have tried many different combinations of the target expressions and tried
to get a situation where I can divide each throughput figure by the value of
(100/MaxBytes) to get a percentage.

I have tried playing with the dorelpercent option, but that just seems to
work with one value relative to the other.

Has anyone achieved this? I'd be very keen to know (and very grateful).

Chris Hunt,
Network Systems
Lehman Brothers

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