[mrtg] Re: Spikes in MRTG graphs and logs...

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Wed May 23 00:41:56 MEST 2001

Schuyler Bishop wrote:
> Per request, here are the relevant codes with appropriate removals of
> private info.  :)  Note that the IPs have been changed to protect the
> innocent.

Sure.  I even removed more and see just one real difference.  The
option line looks different but isn't (in this case). All other
lines were just textual differences (if at all different).

> Old config: (2.8.12)
> Target[]: 6:public at

> New Config: (2.9.12a)
> Target[]: / at

What should happen is that MRTG browses the MIB for an interface
with this IP address, and use the aquired interface number to get
the statistics.

The question that comes to mind right away:  Is the interface number
for the interface with IP address indeed 6 at the moment,
in other words: could it have changed over time (due to a reboot or so).

Even if the traffic looks more or less the same, it may be that you
are monitoring a different interface ?

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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