[mrtg] Re: Data Collection Size Limitation?

Pete Templin petelists at templin.org
Tue May 9 17:03:49 MEST 2006

Scott Moseman wrote:
> http://img250.imageshack.us/my.php?image=router8qq.gif
> Between 00:00 and 04:00 you can see the problem.  The same problem
> appears every day during the same approximate window (during our
> really busy hours).  The interface is GigE and I'm using an AbsMax of
> about 10Gb to make sure we're not going beyond the bounds.
> There's actually data being graphed, so I know it's not going beyond
> MaxBytes and ignoring the results.  I was wondering what the data size
> limit is for MRTG?  Maybe I'm going above some threshold value and
> it's messing up the data collection?

About 119Mbps; it's the limit of 32-bit counters, not MRTG.  Use the 
64-bit SNMPv2 counters and you're fine.


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