[mrtg] MRTG reporting incorrect results
robert.mersberger at goldenven.com
Fri Nov 2 20:35:06 CET 2007
Thinking you have a bad switch is a good place to end up. Have you
opened a support ticked with the switch vendor or is it possible to
replace the switch? you have followed the correct path thus far and I
agree with your evaluation.
Not MRTG problem.
From: mrtg-bounces at lists.oetiker.ch
[mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Patrick Kremer
Sent: Friday, November 02, 2007 2:07 PM
To: mrtg at lists.oetiker.ch
Subject: [mrtg] MRTG reporting incorrect results
This apparently started happening 2 weeks ago. All MRTG-monitored
interfaces on one particular switch are showing identical graphs for all
"Out" bandwidth. As expected, the report shows varying values for "In"
Max/Average/Current for each port on the switch. However, each port has
the exact same values for all "Out" Max/Average/Current. The blue line
is exactly the same for all ports on all graphs beginning between at
about week 41 1/2. Obviously, this isn't possible
It doesn't appear to be something specifically wrong with MRTG itself
because the rest of the monitored switches seem to be reporting
correctly. The MRTG config for the switch in question hasn't changed in
3 months. I have already tried rebooting the switch and the machine
hosting MRTG. Because I couldn't think of anything else to do, I tried
regenerating the configuration file with an snmpwalk, but it's no
different from the original config file.
I don't know what else to do except assume that I somehow have a bad
switch?? Has anybody come across anything like this before?
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