[mrtg] Figures reported by MRTG seems to be about a fifth what it should be...

[Darryl Ross]

Hey All,

I'm new to MRTG and this list, so I appologise if my question has already 
been answered elsewhere, but I really would like to find an answer to this 
one.

(Also, I am on the LinuxSA mailing list here in South Australia, and one 
other member of the list has said he is having exactly the same problem, 
not sure if he is on this list or not).

I've just set up MRTG 2.8.12 here at work to monitor the utilization of the 
WAN link between offices (trying to get some more leverage to get the boss 
to upgrade them, if I show him they are over utilized already..). MRTG 
however, is only showing about one fifth of what ncftp is showing for the 
link. I have my interval set to 5 minutes, and downloaded a file over the 
link (from one endpoint to the other so there were no other lag problems) 
that took about 20 minutes to download.

ncftp said it downloaded it at 6 Kbytes/second but MRTG said the maximum 
speed on the link was 1.1 Kbytes/second. Little bit of a difference there. 
The link is a 33.6K analog modem with compression running. Machines at both 
end of the link are Pentium class machines running linux and the ucb-snmpd 
package that comes with RedHat 6.0, version 3.6.1-4.

Anyone got any ideas?

DR

--

Darryl Ross
Network and Systems Administrator
Service to Youth Council, Inc
http://www.syc.asn.au/





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