[mrtg] Log file problem

Gareth Watkins gareth.watkins at kcom.com
Wed Dec 8 11:31:26 MET 2004

Hi everyone,

I have MRTG polling a Riverstone router for CPU utilisation.  I have the OID
and doing an snmpget, I get the correct value so I know the OID is correct.
I have created a cfg file and when MRTG runs it, I get no error.  However
the resulting graph shows zero values.  

I am looking in the log and I see zero value entered everywhere except the
first line which contains the correct value.  But when MRTG is run again,
this value does not get carried over.  The latest poll just overwrites this
first line.  I hope you understand what I am describing!  Here is the first
few lines of the log:

1102500008 4 4     <---- this is the correct value but graph shows zero
1102500008 0 0 0 0
1102499870 0 0 0 0
1102499700 0 0 0 0
1102499400 0 0 0 0 etc...

I have another cfg file for Memory utilisation on the same router and this
works fine.

Has anyone had this problem before where the correct value is polled but the
log file does not update correctly?  

Thank you for any help.

Best regards,
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