(PM) Speed Limitation

Bud Bennett (bennetb@mail.cadvision.com)
Fri, 17 Jul 1998 09:39:56 -0600

Hello. I work for a regional ISP in the Southern Alberta area.

As of right now, we have three modem pools. An analog 14.4 modem pool, An
analog 33.6 modem pool and digital V.90 modem pool.

Right now, if someone dials into our 14.4 modem pool, they get a USR
Sportster 14.4 kbps modem. It's impossible for the user to connect at a
higher speed because the modem itself isn't capable of doing anything faster.

The 14.4 kbps accounts that we sell are priced considerably lower than our
33.6/V.90 accounts and are aimed at the consumer who is on a budget. So,
even though the use of this pool is declining, it still is a major service
for us.

We are in the planning stages of moving our two seperate analog modem pools
and one digital modem pool into two seperate digital modem pools. One for
14.4 kbps and one for 56 kbps.

My boss wants me to physically restrict the speed within the Portmaster 3
in the same way that one can restrict speed on a Portmaster 2. IE. The
restriction applying to anything that connects to just that portmaster.
'set all speed x xxxxx'

Unfortunately, Lucent says that physically restricting the speed via CLI
commands is not possible, instead, everything has to be done through
RADIUS. (Damn!)

The biggest trick of all is that under no circumstances should a user not
be able to authenticate, even if they connect at the "Wrong" speed.

I would like to know if anyone here has attempted to try and deliberately
limit the maximum connect speed of a PM3 through whatever means possible.
If so, how they went about doing it and how much success they have had.

If worst comes to worst, we'll keep our 14.4 analog modem pool and
eventually phase it out over time, although I like to keep my options open.

Thank you.
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Bud Bennett CADVision Development Corporation
bennetb@cadvision.com Suite 1810, 300 5th Avenue S.W.
Technical Operations, Modem Technologist Calgary, AB T2P 3C4
Phone:(403)777-1300 Fax:(403)777-1319
CADVision Homepage: http://www.cadvision.com
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