Re: Aggregate Traffic on a Switch

[Stephane Bortzmeyer <bortzmeyer at gitoyen.net>]

On Mon, Apr 07, 2003 at 12:51:23AM +0100,
 Fisayo Adeleke <fisayo at steineng.com> wrote 
 a message of 8 lines which said:

> How can I use MRTG to graph the aggregate traffic on a switch. I
> mean not the per port graph it shows, but a single graph that
> aggregates the entire traffic across the switch.

[The best solution is probably to find a variable in the proprietary
MIB which does it.]

MRTG allows arithmetics:

http://people.ee.ethz.ch/~oetiker/webtools/mrtg/reference.html

and see "Multi Target Syntax". Inconvenient to type by hand but if
your switches are managed by an automatic tool, you can certainly ask
it to generate the expression.

 

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