[mrtg] Re: Alter MRTG Input/Output graph method

[Tim Kennedy]

Well, on Full Duplex links you can exceed your 100% mark, because you get
bandwidth going both ways.   So it's not a real measurement.

You could still display 100k of usage, but it's not really 100kper second of
usage in the interface.  it's 40k of usage on the inbound channel, and 60k on
the outbound.  their not really using up the same space, so it doesn't really
make sense to graph it that way.

On half duplex links, it makes sense though, since the link really is limited
to 10mbit both ways.

I couldn't begin to tell you how to do it though.  I suppose you could do it
with RRD tool, but I don't know how.

-Tim


On Wed, 3 May 2000, Thomas Brian Granier wrote:

> I'd like to alter the input/output graph of MRTG in the following way. I
> would like the Output to be graphed added on top of the input value
> without altering the statistic read out at the bottom of the screen. For
> example, if input=40K and output=60k I want MRTG to graph green up to
> 40K and put the blue line at 100K. The stats beneath would still read
> Current Input = 40K and Current Output = 60K.... Any thoughts?
> 
> T. Brian Granier
> MCSE MCP+I A+
> Telecommunications Specialist
> Zebec Data Systems
> 
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--
Timothy Kennedy
Network Engineer
YellowBrix, Inc.
tkennedy at yellowbrix.com
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