[mrtg] Graph drops off

Sagi Brody sagi at webair.com
Wed Aug 29 23:34:49 MEST 2001

	I'm having a problem where 1 of my MRTG graphs starts to drop to
very low numbers when the interface starts doing heavy traffic. The
treshhold at which this begins is around 50Mbps, which is well below the
counter wrap-around threshold. The switch the interface is on is a
Cisco 3500 series, I'm polling the switch every 5 minutes. When the
traffic is under 50Mbps I get nice smooth graphs, but once traffic goes
higher than that I get atleast 2 drops per hour to low numbers
(1-10Mbps). I've tried using the snmpv2 protocol (by adding :::::2 to the
end of the target line), but only get 0s then. I've tried mrtg
version 2.9.17 and 2.8.8 with the same problem. Any help is greatly


Sagi Brody

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