Re: Keeping Track of Data Usage in GB Per Port

[nanog () jack fr eu org]

Folks, use sflow with rrdtool!

Quite awesome & handy

On 15/10/2014 20:14, Valdis.Kletnieks () 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?