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Date:      Mon, 23 Jun 1997 01:29:17 -0500 (CDT)
From:      "Tom T. Thai" <tomthai@future.net>
To:        Troy Settle <rewt@i-Plus.net>
Cc:        jkh@time.cdrom.com, Jim Shankland <jas@flyingfox.com>, freebsd-isp@FreeBSD.ORG
Subject:   ISDN Authentication > WAS Re: ISDN
Message-ID:  <Pine.BSD.3.91.970623012746.23597G-100000@dream.future.net>
In-Reply-To: <199706230605.CAA20031@radford.i-plus.net>

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you guys know how to config an ISDN TA attached to a multiserial box to 
do 128K for certain clients and only 64K allowed for the rest?  My box is 
running RADIUS client.

On Mon, 23 Jun 1997, Troy Settle wrote:

> From: Jim Shankland <jas@flyingfox.com>
> >> > 2. If I had the same setup as #1, and a user want to do 128K (both B
> >> > channels), do I have to setup anything special on the RAS?  Or can I
> >>
> >> You can't do 128K, but you can do 115.2K.
> >
> >But note that 115.2Kb/s async is 11.52 Kilobytes/second, since it's 10
> >async bits per byte.  That's really only about 1.5 B channels' worth
> >of throughput.
> 
> Following the conversation, I take it an external ISDN TA is being used. 
> If so, install a serial port with a faster UART.  I believe it's 16650 or
> 16750 that's cabable of over 400k/s.  I would suggest a vendor, but I
> honestly don't remember where my boss got his.  (datacom comes to mind, but
> don't quote me on it :)
> 
> This is assuming of course that FreeBSD won't have a problem with faster
> serial cards.
> 
> Troy Settle <st@i-Plus.net>
> Network Administrator, iPlus Internet Services
> http://www.i-Plus.net
> 
> 


..............          ....................................
Thomas T. Thai          Infomedia Interactive Communications
tom@iic.net             TEL 612.376.9090 * FAX 612.376.9087





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