From owner-freebsd-isp Sun Jun 22 23:07:34 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id XAA14249 for isp-outgoing; Sun, 22 Jun 1997 23:07:34 -0700 (PDT) Received: from radford.i-plus.net (root@Radford.i-Plus.net [206.99.237.6]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id XAA14244 for ; Sun, 22 Jun 1997 23:07:29 -0700 (PDT) Received: from abyss.i-Plus.net (pitlord@Abyss.i-Plus.net [206.99.237.44]) by radford.i-plus.net (8.8.5/8.8.5) with SMTP id CAA20031; Mon, 23 Jun 1997 02:05:57 -0400 (EDT) Message-Id: <199706230605.CAA20031@radford.i-plus.net> X-Mailer: Microsoft Outlook Express 4.71.0544.0 From: "Troy Settle" To: , "Jim Shankland" Cc: , Subject: Re: ISDN Date: Mon, 23 Jun 1997 02:06:17 -0400 X-Priority: 3 X-MSMail-Priority: Normal MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-MimeOLE: Produced By Microsoft MimeOLE Engine V4.71.0544.0 Sender: owner-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk From: Jim Shankland >> > 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 Network Administrator, iPlus Internet Services http://www.i-Plus.net