[mrtg] Grahps show wrong value

Marc Riese marc at k-fx.de
Wed Aug 10 08:58:21 MEST 2005


I've been trying to get mrtg working on a Solaris system.
So far it's working, as it seems to get the data via snmp. 

The problem is, that the graphs don't show the real values for
in- and outgoing traffic. They only show a constant value which
is 8 bits per second. The real value would be a few hundred kbps... 

I tested another program on a windows pc to get the snmp data,
and there I got some more realistic values.
So, I don't know if it's a configuration problem, or a problem
with Solaris or something else. 

The debug output (--debug=snpo) seems to get the correct data: 

2005-08-09 13:45:34 -- --snpo: run snmpget from 
ifInOctets&ifOutOctets:public at
2005-08-09 13:45:34 -- --snpo: simple If: .111
2005-08-09 13:45:34 -- --snpo: simple If: .111
2005-08-09 13:45:34 -- --snpo: SNMPGet from public at -- 
2005-08-09 13:45:34 -- --snpo: SNMPfound -- '3672186018', '212278635', '220 
days, 10:59:42', 'Switch P1 HNLS' 

And here is a relevant excerpt from the configfile: 

### Global Defaults 

EnableIPv6: no
Workdir: /usr/local/mrtg-2/data
Options[_]: growright,bits,gauge
Imagedir: /usr/local/mrtg-2/images
Logdir: /usr/local/mrtg-2/log 

### Interface 111 >> Descr: 'RMON:10/100-Port-11-on-Unit-1' | Name: '' | Ip: 
'' | Eth: '' ### 

Target[]: 111:public at
SetEnv[]: MRTG_INT_IP="" 
MaxBytes[]: 12500000
Title[]: 111 -- Switch P1 HNLS
PageTop[]: <H1>111 -- Switch P1 HNLS</H1>
  <TR><TD>System:</TD>     <TD>Switch P1 HNLS in </TD></TR>
  <TR><TD>Maintainer:</TD> <TD></TD></TR>
  <TR><TD>Description:</TD><TD>RMON:10/100-Port-11-on-Unit-1  </TD></TR>
  <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
  <TR><TD>ifName:</TD>     <TD></TD></TR>
  <TR><TD>Max Speed:</TD>  <TD>100.0 Mbits/s</TD></TR>

Any hint is appreciated. 


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