Re: bw usage?

["Dana Hudes" <dhudes () hudes org>]

You can use Cisco NetFlow Export as a basis for billing.
Capture the data with cflowd.
I've done some work in this area for traffic engineering. It could be adapted to a billing solution as well.
Interested parties please contact me off-list

----- Original Message ----- 
From: "Jeremy Brandt" <JBrandt () scient com>
To: "David M. Ramsey" <dmr () webserve net>; <nanog () merit edu>
Sent: Wednesday, July 26, 2000 11:09 AM
Subject: RE: bw usage?


> If you are using Cisco 6500 switches you an use Private VLANS.  They do
> exactly what you want without wasting IP addresses.
>
> Jeremy Brandt
> Infrastructure Architect
> Scient
>
> -----Original Message-----
> From: David M. Ramsey [mailto:dmr () webserve net]
> Sent: Wednesday, July 26, 2000 9:54 AM
> To: nanog () merit edu
> Subject: bw usage?
>
>
>
> Folks,
>
> I'm interested in learning which tools other people are using to measure
> bandwidth usage for co-located client machines on Ethernet switches.
>
> For now I've cobbled together some crude software to regularly 
> read SNMP port byte in/out counters from our switches, stashing 
> the deltas in a DB for later reporting/analysis.
>
> I'm concerned that the data is misleading, though, in that it will
> include LAN broadcast traffic.  Also, customers end up paying 
> for other bandwidth that they did not want or induce, like network 
> scans, etc. (tough luck?).
>
> We've considered implementing unique customer VLANS to separate
> customer broadcast domains, but it seems like that'd be a pain,
> would eat up IP addresses, and possibly tax our routers with all of
> the ISL/VLAN stuff?
>
> Thanks in advance for any help/hints/pointers/advice you can offer.
>
> Regards, --dmr
>
> David Ramsey
> Charlotte, NC