[mrtg] Re: mrtg - set alert on high bandwidth usage

[Daniel J McDonald]

On Thu, 2003-11-13 at 05:19, Reale Marco wrote:
> Hi.
>  
> 
> For long time i searched on internet (google, forum etc...) a way to setting
> mrtg to send email alert when bandwidth usage is over x% (for example 80%)

threshholds on mrtg are really a hack.  It's not what mrtg is designed
to do - it can do it, but poorly...

Instead, I feed the mrtg information into Big Brother.  Big Brother is
good at paging/escalation/acknowledgements/etc, which mrtg isn't, but
it's not great at polling 1000 hosts for snmp stats, which mrtg is.  By
combining the two tools I get the best of both.

> I already use mrtg to create graphs for network cards. I used cfgmaker and
> all worked fine but, i need to create an mrtg files with entries like above
> to provide email alert when, for example, packets are > than 100000

read up on cfgmaker templates.  Since templates are written in perl you
can do that fairly easily.
-- 
Daniel J McDonald, CCIE 2495, CNX
Austin Energy


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