[collectd] threshold checking on interface

[Brett Hawn]

Andres,

  That did the trick, thank you for pointing out the error, now I think 
I have a much better understanding
in general of how this functions.

Andrés J. Díaz wrote:
> Hi Brett
>
> The problem, i think, is related to Instance keyword, the interface
> name (em0 for you) is a type instance, not a plugin instance (if you
> review the rrd directory, you can found a interface/if_octects-em0,
> instead of interface-em0/if_octects).
>
> Try the following configuration (works for me):
>
>  <Threshold>
>    <Plugin "interface">
>        <Type "if_octets">
>          Instance "em0" # Now instance in into Type section :D
>          DataSource "tx"
>          FailureMax 300000
>        </Type>
>    </Plugin>
>  </Threshold>
>
> Regards,
>   Andres
>