From owner-freebsd-questions Wed Feb 27 20:57:51 2002 Delivered-To: freebsd-questions@freebsd.org Received: from tomts10-srv.bellnexxia.net (tomts10.bellnexxia.net [209.226.175.54]) by hub.freebsd.org (Postfix) with ESMTP id A7FBD37B400 for ; Wed, 27 Feb 2002 20:57:45 -0800 (PST) Received: from xena.gsicomp.on.ca ([199.243.128.121]) by tomts10-srv.bellnexxia.net (InterMail vM.4.01.03.23 201-229-121-123-20010418) with ESMTP id <20020228045744.KJWB19560.tomts10-srv.bellnexxia.net@xena.gsicomp.on.ca>; Wed, 27 Feb 2002 23:57:44 -0500 Received: from hermes (hermes.gsicomp.on.ca [192.168.0.18]) by xena.gsicomp.on.ca (8.11.1/8.11.1) with SMTP id g1S4kFi48051; Wed, 27 Feb 2002 23:46:15 -0500 (EST) (envelope-from matt@gsicomp.on.ca) Message-ID: <00d801c1c014$757ba180$1200a8c0@gsicomp.on.ca> From: "Matthew Emmerton" To: "Jon Larssen" , References: Subject: Re: USB modems + USB hub Date: Wed, 27 Feb 2002 23:57:43 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > I have to provide eight PSTN lines for PPP dial-in to my server, and I have > already requested a multiport serial board (from Stallion). In the meantime, > I have here several USB modems and a USB hub. > > Has anyone ever plugged more than, say, 4 USB modems to a USB hub and that > to a FreeBSD box and made it work? Power to the modems is supplied by the > USB hub, but, the USB bus bandwidth (I think in the vicinity of 2 MBps) can > handle 4 modems? Well, 4 * 56 Kbps = 224 Kbps, which is only about 1/8 of the USB bus bandwidth, so I'd say yes :) -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message