[30303] in North American Network Operators' Group
Re: bw usage?
daemon@ATHENA.MIT.EDU (Alex)
Wed Jul 26 11:27:36 2000
Date: Wed, 26 Jul 2000 11:22:45 -0400 (Eastern Daylight Time)
From: Alex <alex@nac.net>
To: "David M. Ramsey" <dmr@webserve.net>
Cc: nanog@merit.edu
In-Reply-To: <200007261453.e6QErWU25003@prizm.webserve.net>
Message-ID: <Pine.WNT.4.21.0007261120580.836-100000@EXPLOSION>
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Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 26 Jul 2000, David M. Ramsey wrote:
> 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.
We do about the same thing, but we store absolute byte counts, relative
byte counts from the last measurement, and figure the kb/s; we also store
AdminStatus and OperStatus for SLA purposes.
> 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?).
Exactly, tough. If they use the bandwidth, then they should pay for the
bandwidth.
> 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?
We do that; it's unwise to have everyone on the same VLAN, as some others
have demonstrated.
