[mrtg] Re: Router and Other Interface Statistics

[Steve Shipway]

> in this case, CRC errors or collisions are typically zero so 
> monitoring
> them will be boring and hopefully uneventful.  Has anyone 
> ever used MRTG
> (or the SNMP data returned to MRTG) to alert on anything that is
> non-zero or non-zero for a certain number of samples?   
..
> I am looking at 50-60 graphs per router. This would be a great little
add on! 
> in this case, CRC errors or collisions are typically zero so 
> monitoring them will be boring and hopefully uneventful.  Has anyone 
> ever used MRTG (or the SNMP data returned to MRTG) to alert on
anything that is
> non-zero or non-zero for a certain number of samples?   

If you are using the routers2 frontend for MRTG, then the latest (2.17)
version has a new summary option: 'active'.  This will suppress graphs
if they hold nothing but zeros.  This allows you to see a summary page
showing only the graphs with activity - so if you are graphing errors,
only the ones that actually have errors will be shown.


Steve

--
Steve Shipway
ITSS, University of Auckland 
(09) 3737 599 x 86487
s.shipway at auckland.ac.nz

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