[mrtg] Bandwidth Utilization questions

[Lehouillier, Neil]

I just have a couple of questions here:

1.  I am trying to monitor the bandwidth utilization of a 100 Mbit 
Full Duplex line.  I have compared info from a sniffer on the line 
and the info I gather from MRTG and found that the MRTG data is out 
of wack.  Could someone please point out the mistake I'm making here.

Target[10.4.251.13.19]: 19:public at 10.4.251.13 / 100000000 * 100
MaxBytes[10.4.251.13.19]: 100
Title[10.4.251.13.19]: THEROCK - Module-1 Port-19
Options[10.4.251.13.19]: growright, gauge, nopercent, bits
PageTop[10.4.251.13.19]: <H1>Therock Network Utilization </H1>
Ylegend[10.4.251.13.19]: Network Utilization
ShortLegend[10.4.251.13.19]: Utilization 
WithPeak[10.4.251.13.19]: wmy
Unscaled[10.4.251.13.19]: dwmy
LegendI[10.4.251.13.19]: Utilization 
LegendO[10.4.251.13.19]:

Should I be dividing by 200000000 instead of 100000000 because its 
full duplex?  Also should I be using 100 in the MaxBytes or should I 
be using 25000000?

2.  Is the MaxBytes variable compared against the bytes that get 
returned from the query or is it compared against the Target variable 
that you specified?

Any help would be greatly appreciated.



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