[mrtg] FW: Invalid report

Thomas Brian Granier BrianG at zebec.net
Fri Aug 11 18:39:37 MEST 2000

That wouldn't fix it. The next time MRTG gets a value off the router it
will take that value, subtract the previous value and divide by the
time. The only solution I know of is to delete the log files and start
over.. but I'd rather not do that.

T. Brian Granier
Telecommunications Specialist
Zebec Data Systems

-----Original Message-----
From: Peter Salvage [mailto:wizard at sybaweb.co.za]
Sent: Friday, August 11, 2000 11:36 AM
To: Thomas Brian Granier; MRTG List
Subject: Re: [mrtg] Invalid report

> I'm using primarily cisco routers and occasionally I have to power
> the routers or I have to clear the coutners. The effect on MRTG is
> when it graphs bandwidth utilization it takes the current value (near
> 0) and subtracts the previous value (usually a very high number)
> resulting in a very high negative number. It then divides by the time
> frame and strips the negative sign graphing a single spike of a very
> high number. For example I have a 56K circuit with two peaks in the
> week that are in the 80Mb/s range. Does anyone have a suggestion for
> to combat this? Perhaps with RRD? Thanks in advance.

er...possibly I'm being dumb...can't you just stop the service while
you're recycling the power?


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