From owner-freebsd-questions Wed Nov 26 12:59:02 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id MAA18611 for questions-outgoing; Wed, 26 Nov 1997 12:59:02 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from saluki-mail.siu.edu (saluki-mail.siu.edu [131.230.252.17]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id MAA18605 for ; Wed, 26 Nov 1997 12:59:00 -0800 (PST) (envelope-from parrothd@midwest.net) Received: from techie (ws2.c-ag.siu.edu [131.230.82.2]) by saluki-mail.siu.edu (AIX4.2/UCB 8.7/8.7) with SMTP id OAA72504; Wed, 26 Nov 1997 14:57:34 -0600 (CST) Message-Id: <3.0.3.32.19971126145801.0091f210@midwest.net> X-Sender: parrothd@midwest.net X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Wed, 26 Nov 1997 14:58:01 -0600 To: mouth@ibm.net (John Kelly), "keith Spencer" From: "Jonathan E. Lyons" Subject: Re: Can 2 modems increase bandwidth? Cc: questions@freebsd.org In-Reply-To: <347da364.15283924@smtp-gw01.ny.us.ibm.net> References: <199711252258.IAA09286@smmcroute.smmc.qld.edu.au> <199711252258.IAA09286@smmcroute.smmc.qld.edu.au> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Too bad ISDN isn't avialable everywhere... :( At 04:46 AM 11/26/97 GMT, John Kelly wrote: >On Wed, 26 Nov 1997 10:27:32 +0000, "keith Spencer" > wrote: > >>How is it if indeed at all possible to have 2 modems dial out to two >>dialin accounts at my ISP and have modem traffic go through one modem >>or the other depending on which is free or something like this? >>i.e. increase my bandwidth for my school Internet access. > >>help...what is the topic called??? > >Multilink PPP, or MLPPP. I think there is a software implementation >but your ISP may not support it on their end. > >A hardware implementation is easier to set up. I'm using an external >3Com Impact IQ ISDN T/A running Multilink PPP at 128k to my ISP's >Livingston Portmaster 3. The 3Com is connected to my serial card >which has clock speed jumpers for running the serial port at 230k, so >I get the full 128k bandwidth across the ISDN line. I consistently >get FTP throughput of 13.5 kBytes per second. The 3Com has Stac >compression which is compatible with the ISP's Livingston PM3. > >If you can get ISDN from an ISP it's more reliable than trying to bond >multiple analog modems with software MLPPP. > >John > > > >