[mrtg] Re: Graphing over 100% of MaxBytes?

Eric Brander Eric_Mailing_List at rednarb.com
Fri Oct 15 18:31:24 MEST 2004

Rodolfo J. Paiz wrote:

>   1. If I set MaxBytes[12500000] for 100 Mbps, then 128 Kbps becomes
> 0.1% of their maximum allowed bandwidth and the percentage utilization
> numbers become all but useless.
>   2. If I leave MaxBytes[16000] for 128 Kbps, then any traffic above
> that number overloads the counters in MRTG, and the graphs and
> percentages show the modulus of the actual bandwidth consumed and the
> bandwidth contracted. That is, pushing 160 Kbps through a line where
> MaxBytes is set for 128 Kbps will actually show and graph 32 Kbps (mod
> [160,128]). This is worse, since now I have *no* idea of what
> happened... it could mean 160 Kbps, 288 Kbps, or any multiple above.


Keep your MaxBytes at 16000 but ad the parameter of AbsMax that goes to 
125000000 or whatever is the true absolute maximum. I think that will 
solve your problem.  Anything over MaxBytes will still graph, but it 
will be over the red line, and also will show in the %.

Good luck,

Eric Brander

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