[mrtg] Re: No Incoming Traffic??

[Alex van den Bogaerdt]

Anthony Lai wrote:
> 
>  Alex, 
>    In my config I do not have my color line separated. Here is the actual config:

[snip]

Well, if your config is OK and most of the ports show accurate stats
then I can only suggest to manually check the SNMP counters.

Look the index up (on the switch: show port ifindex) and fetch the
counters using snmpget:

    snmpget device community .1.3.6.1.2.1.2.2.1.10.number \
                             .1.3.6.1.2.1.2.2.1.16.number
(of course: fill in device, community and number).

These numbers should roughly match the first line of the .log file.
If they don't, something fails when MRTG queries the device.

Wait for 5 minutes and query the counters again.
Subtract the first fetched values from the newly fetched values,
check if the results are below 300.  If they are, there is less
than 1 byte per second and thus MRTG cannot plot anything as there
is not enough traffic.

Last but not least: see my .sig; middle part.
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