[c-nsp] Total bandwidth usage

Ryan O'Connell ryan at complicity.co.uk
Tue Mar 7 04:58:37 EST 2006


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On 07/03/2006 03:30, MrPaul wrote:
> On 3/6/06, Shishir Belbase <sbelbase at ibasis.net> wrote:
>> We use Cacti (www.cacti.net) to collect the bw utilization from our
various
>> edge routers.  You can use the GUI and/or feed the raw data into a
>> perl/Excel module that sends out weekly/monthly reports via email.
>>
>> Shishir Belbase
>
> Doesn't Cacti just store the data in rrd files (the same as MRTG).
> Short term calculations could be made just fine but if you are wanting
> any historical data then you will need to routinely pull the counter
> data from the rrd file and insert into a database for long term
> storage.

You can specify the rrd file formats in most applications (Certainly
Cricket, I guess cacti too) to keep 5-minute data for longer periods
of time - you'll need to do this if you want to do 95%ile billing for
example.
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