nanog mailing list archives
Re: Keeping Track of Data Usage in GB Per Port
From: Andrew Jones <aj () jonesy com au>
Date: Thu, 16 Oct 2014 15:01:44 +1100
This all becomes even more complicated when some traffic isn't counted (Eg. "free facebook") on a given service which generally then necessitates the need for some level of flow-based accounting, even if it's just collecting flows for the free traffic to subtract from the port counters. I can see how it could get messy.
On 16.10.2014 12:20, Michael Loftis wrote:
IPDR under DOCSIS and generally RADIUS or TACACS(+) for DSL. Unclearpersonally about fiber/FiOS deployments (never been near enough to know)Flow (sflow, nflow, ipfix, etc) generally doesn't scale and is woefullyinaccurate.On Wednesday, October 15, 2014, Colton Conor <colton.conor () gmail com> wrote:I see in past news articles that cable companies are inaccuratelycalculating customers data usage for their online GB of usage per month. My question is how do you properly determine how much traffic in bytes a port passes per month? Is it different if we are talking about an ethernet port 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 differenceis the total amount used for that month. Why are the cable companies having such a hard time? Is it hard tocalculate data usage per port? Is it done with SNMP or some other method?What is the best way to monitor a 48 port switch for example, and know howmuch traffic they used? https://gigaom.com/2013/02/07/more-bad-news-about-broadband-caps-many-meters-are-inaccurate/
Current thread:
- Re: Keeping Track of Data Usage in GB Per Port, (continued)
- Re: Keeping Track of Data Usage in GB Per Port Colton Conor (Oct 15)
- Re: Keeping Track of Data Usage in GB Per Port Jonathan Lassoff (Oct 15)
- Re: Keeping Track of Data Usage in GB Per Port Livingood, Jason (Oct 15)
- Re: Keeping Track of Data Usage in GB Per Port Joe Hamelin (Oct 15)
- Re: Keeping Track of Data Usage in GB Per Port Colton Conor (Oct 19)
- Re: Keeping Track of Data Usage in GB Per Port Alastair Johnson (Oct 19)
- RE: Keeping Track of Data Usage in GB Per Port Frank Bulk (Oct 20)
- Re: Keeping Track of Data Usage in GB Per Port Mikael Abrahamsson (Oct 19)
- Re: Keeping Track of Data Usage in GB Per Port Andrew Jones (Oct 15)