Keeping Track of Data Usage in GB Per Port

Wed Oct 15 18:40:35 UTC 2014

Folks, use sflow with rrdtool!

Quite awesome & handy

On 15/10/2014 20:14, Valdis.Kletnieks at vt.edu wrote:
> On Wed, 15 Oct 2014 13:06:56 -0500, Colton Conor said:
> 
>> on a cisco switch vs a DSL port on a DSLAM for example? I would think these
>> access switches would have some sort of stat you can count similar to a
>> utility meter reader on a house. See what it was at last month, see what is
>> is at this month, subtract last months from this months, and the difference
>> is the total amount used for that month.
> 
> Assume a 20mbit connection.  How many times can this roll over a
> 32 bit counter in a month if it's going full blast?
> 