[mrtg] Re: Measuring Traffic over FXO / FXS port
Daniel J McDonald
dan.mcdonald at austinenergy.com
Thu Apr 3 15:09:54 MEST 2003
On Thu, 2003-04-03 at 04:03, Boğaç Özdöl wrote:
> Hi All ,
> How could I get traffic over FXS or FXO port with mrtg ?
> ifInOctets/ifOutOctets doesn't works... :)
What do you mean by traffic? FXO and FXS don't carry bits....
If you mean you want to track the traffic generated by a voip
application feeding particular ports, well... I did something like that
once, but the mibs are pretty nasty to work with. I ended up using
radius accounting to get what I wanted and dumped it into a mysql
database. Then, in mrtg I wrote a script that would query for the most
recent numbers and update it... But it wasn't a very clean solution,
because you get all of the bits at the end of a call (e.g., a 1 hour
call has zero bits for the first 11 polling intervals, then a huge spike
on the 12th). I ended up just counting the number of up interfaces so I
could figure out how many simultaneous calls I had in progress, and used
the database to calculate cost savings on the back-end.
In any respect, mrtg didn't really help with that application...
> Thanks ...
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Daniel J McDonald <dan.mcdonald at austinenergy.com>
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