[mrtg] Re: > 120 Mbit/s bandwidths?

[TTSG]

> 
> On Thu, 20 Jan 2000, TTSG wrote:
> 
> > >   MRTG seems to wrap around at somewhere around 110-115 Mbit/s bandwidths
> > > on switch and router interfaces et al. Guess some operation or variable
> > > wraps over in rateup. Doesn't work for gigabit ethernet or fast ATM links.
> > > Has anyone figured this out yet or shall I go through it with gdb myself?
> > > How about RRD, where is it limited?
> > > 
> > 	And I thought it was me.....
> > 
> > 	I thought it was something I did wrong. Like maybe MaxBytes being
> > set or something. I didn't look into it, but its happened to me.
> > 
> > 		Tuc/TTSG
> 
> Isn't this just the limitation on the SNMP INTEGER variable?
> It is a 32-bit value so if it is used for octets then it will wrap every
> 2**32 octets. With a collection period of 5 minutes (300s) then if the
> average traffic flow is over 2**32/300 octets per second, the figure will
> be understated by (at least one lot of) 2**32/300 octets per second or
> about 114Mb/s.
> 
	Mine was the combination of 4 other graphs......

			Tuc/TTSG

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