[mrtg-developers] Erroneous results acquired

[Dan]

> I wonder if any of you guys can help with a problem that I have? I wish
> to acquire data of utilization on Gig E interfaces on a Cisco 7200. I
> use the OID's ifInOctets and ifOutOctets in my config file reading the
> 32bit counters. The graphs produced seem to be displaying incorrect
> results. I am comparing my results to that acquired by cricket. I'm sure
> that my syntax is correct. See syntax below for interface 149.
>
> Target[<name>]: ifInOctets.149&ifOutOctets.149:<communitystring>@<device
> IP>
>
>
>
> Another problem I found is that I cannot get any data usung 64bit
> counter OID's, ie. ifHCInOctets and ifHCOutOctets.

Sounds like the counters are wrapping around - you will need to specify
using SNMPv2 in the target or cfgmaker to read the HC counters:

Target[<name>]:ifInOctets.149&ifOutOctets.149:<communitystring>@<deviceIP>:::::2

See http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html#Iversion

Dan.