[mrtg] Re: [mrtg]: missed snmp poll problem?

[Barry_Young at interliant.com]

Additional information....

I am running mrtg 2.9.17 and experience spikes on the graph whenever the
SNMP poll cannot reach the target device.  This occurs whenever there is a
routing failure or inability to connect to the target.  This then requires
a manual edit of the log file to remove eroneous entries, which can be a
major exercise when monitoring several hundred devices.

I cannot recall experiencing this on mrtg 2.8.x at previous companies
(maybe the networks were more stable??).

I understood that mrtg took the difference between the last poll and the
current counters and then averaged the traffic load over the time
difference between the polls?  Maybe there is a problem when mrtg cannot
poll and consequently this knocks on to the calculation?  If this is a code
problem, I would love a fix if there is one in the pipeline..... :-)

HTH
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