[132564] in North American Network Operators' Group

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Re: Cacti Bandwidth Monitoring

daemon@ATHENA.MIT.EDU (Ingo Flaschberger)
Mon Nov 29 09:32:24 2010

Date: Mon, 29 Nov 2010 15:32:13 +0100 (CET)
From: Ingo Flaschberger <if@xip.at>
To: Peter Rudasingwa <peter.rudasingwa@altechstream.rw>
In-Reply-To: <4CF3B796.3040006@altechstream.rw>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Dear Peter,

> I have a cacti server running and it has been working fine so far except for 
> one interface which has an average of 150Mbps going through it now. Before 
> when I had less than 120Mbps I got proper graphs but of late it gives me 
> graphs of 20Mbps when it should be giving me the correct reading (150Mbps).
>
> Is there a maximum bandwidth it graphs or can this be edited so that I get 
> proper graphs?

32bit counters run over with 100mbit in less than 5 minutes.

solutions:
run poller every 1 minute & update rrd's heartbeat
or use 64bit counters

Kind regards,
 	Ingo Flaschberger



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