[mrtg] Re: graph wierdness on hp2400 switch

[Alex van den Bogaerdt]

Phil Freeman wrote:
> 
>   i'm having some wierdness happenening graphing an interface on a hp2400 series switch. i've got a couple example graphs at the following url:
> 
> http://users.halo.nu/~elektron/mrtg-wierdness.html

Could it be that you are polling the router each 5 minutes (or even
more often) and only the switch each 10 minutes?

Things seem to go wrong above 50mbps.  Using the default of 5 minutes
frequent errors are seen when traffic reaches 114mbps and this has been
discussed often on the list.  Now, if you extend the interval from 5 to
10 minutes, the error will occur above 57mbps as in both cases the amount
of bits measured will be 2^32.

300secs at 114mbps is the same amount of bytes as 600secs at 57mbps.

> any help or pointers are greatly appreciated...     :-)

See the FAQ (pointer in my .sig) and/or the mailing list archives
(in the list-generated .sig).

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