Keeping Track of Data Usage in GB Per Port

Wed Oct 15 20:33:07 UTC 2014

There are lots of ways to do it. Cable uses IPDR, which is baked into
DOCSIS standards. 
http://en.wikipedia.org/wiki/Internet_Protocol_Detail_Record

On 10/15/14, 1:38 PM, "Colton Conor" <colton.conor at gmail.com> wrote:

>So based on the response I have received so far it seems cable was a
>complicated example with service flows involved. What if we are talking
>about something simpler like keeping track of how much data flows in and
>out of a port on a switch in a given month? I know you can use SNMP, but I
>believe that polls in intervals and takes samples which isn't really
>accurate right?
>
>On Wed, Oct 15, 2014 at 1:40 PM, <nanog at jack.fr.eu.org> wrote:
>
>> 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?
>> >
>>
>>