Tracking packet/s in the server

[Phil Mayers]

On 23/02/12 08:50, Alan DeKok wrote:
> Alan Buxey wrote:
>> I assume that these values are exposed to eg the status server so we can
>> see them with current monitoring probes, eg monit ?
>
>    Not yet.  I suppose that could be done.
>
>> ...and likewise send out an snmptrap via triggers.conf?
>
>    Yes, that too.
>
>    The issue there is WHEN do you send traps?
>
> - when the queue of delayed packets gets more than half full?
>
> - when the PPS IN-OUT>  ... ?
>
> - how to rate limit the traps so that you don't get spammed by them?
>
>    What criteria should be used?

Maybe best to leave this to external tools; just expose the absolute 
COUNTER, and the various rate GAUGE values, and let the tools send the 
alerts, IMO.

For what it's worth, a suitably compiled net-snmp can watch its own 
internal OIDs and execute user-configurable threshold traps.