[mrtg] Bandwidth of entire Switch

[Mersberger, Robert]

 I would think that you could also just look at the graph for you uplink
port(s) or etherchannel and the should represent the combined bandwidth.


-----Original Message-----
From: mrtg-bounces at lists.oetiker.ch
[mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Daniel J McDonald
Sent: Tuesday, May 06, 2008 2:30 PM
To: mrtg at lists.oetiker.ch
Subject: Re: [mrtg] Bandwidth of entire Switch

On Tue, 2008-05-06 at 14:42 -0400, Joel A Savage wrote:
> Hey all,
> 
> I have mrtg installed/running and polling all of my switches however I

> can only seem to get it to poll all the ports in a switch to separate 
> graphs.
> 
> Can someone point me in the direction on how to setup a config file to

> give me 1 graph of bandwidth that the entire switch is using instead 
> of a graph for each individual port?

At the risk of seeming to ask a silly question, why?
Most switches today have loss-less fabrics, meaning you can run all
interfaces at line rate and not saturate the backplane.  So.. what value
is there to monitoring a number that is irrelevant?

That said, use rrdtool as the backend, routers2.cgi as the front end,
and create a summary graph of all the interfaces on the switch.
> 
> (
--
Daniel J McDonald, CCIE #2495, CISSP #78281, CNX Austin Energy
http://www.austinenergy.com

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