[mrtg] some questions

[Hahn, Michael {GY-O~Mannheim}]

hy,
i have some questions concerning mrtg:

1.)
when using a maxbytes value of "500000000" (= 4gb link) and option "bit" set, then the graph of mrtg scales to 320mbit and has a dotted red line at 300mbit. is there a max value for maxbytes? how can i set it higher?

2.)
i want to run mrtg as demon, but i dont want to restart it every time i make a new config-file. does someone have an idea of how to implement that mrtg re-reads the config every hour?

3.)
i want to show the utilization in % instead of mbit.
i used the formula ((( 3:public at rm2s014e.mah.roche.com ) * 8) / 1000000) for a 100mbit link (which is "((rec-octetets*8)/bandwidth[=100000000])*100").
but mrtg only uses integer values in the graph, so for example 1.9% becomes 1% in the graph. is it possible to get it to use floating-point values with 1 decimal behindt the . ?

4.)
is there a guide on how to use rddtool with mrtg? and where can i get rddtool binaries for nt?

tnx,
michael

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