[mrtg] Re: using max bytes creates percent error?

Koelstra, J. (Jan) JKoelstra at MINSZW.NL
Fri Oct 7 17:39:00 MEST 2005


Peter mentioned already the Option "bits".
For details see http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg-reference.html#options

Hth,

Jan.

-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch] On Behalf Of jabbott at abbotts.org
Sent: Friday, October 07, 2005 4:34 PM
To: mrtg at list.ee.ethz.ch
Cc: Peter Glanville
Subject: [mrtg] Re: using max bytes creates percent error?



OK, the complication there is that this document goes to managers who have just begun to grasp the concept that we have a 100Mb switch.  :-) If I change the MaxBytes to 12500000 that will change the number at the top of the graph and though it will be technically correct, not as easy for <ahem> some people with a limited grasp to understand.  Is there any way I can get a 100 at the top with the numbers correct at the bottom?

Thanks for the reply!

--ja

On Fri, 7 Oct 2005, Peter Glanville wrote:

> > Maybe I am thinking of this the wrong way but I have setup some
> > unscaled
> graphs in MRTG using:
> > MaxBytes:1000000000
> > So that I can get a picture of how much of the pipe we are filling
> > up on
> our 100mega bit switch.
> > I get a good graph, showing that I am filling about half, 53.2Mb/s
> > but
> then the percentage behind the Max is (6.7%)  Where is that number
> coming
> from?  Shouldn't it be 53%?  Is there some additional setting I need to
> change or am I just not reading it right?
> 8 bits = 1 Byte
> 100Megabits = 12,500,000 Bytes
> Adjust MaxBytes accordingly.
> You may want the Option "bits" too
>
> Peter
>
>
>
>
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