From owner-freebsd-questions@FreeBSD.ORG Wed Jul 15 20:03:59 2009 Return-Path: Delivered-To: FreeBSD-Questions@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 00AD110656A7 for ; Wed, 15 Jul 2009 20:03:58 +0000 (UTC) (envelope-from dkelly@Grumpy.DynDNS.org) Received: from smtp.knology.net (smtp.knology.net [24.214.63.101]) by mx1.freebsd.org (Postfix) with ESMTP id 28ABE8FC3E for ; Wed, 15 Jul 2009 20:03:57 +0000 (UTC) (envelope-from dkelly@Grumpy.DynDNS.org) Received: (qmail 4104 invoked by uid 0); 15 Jul 2009 20:03:56 -0000 Received: from unknown (HELO Grumpy.DynDNS.org) (24.42.224.110) by smtp1.knology.net with SMTP; 15 Jul 2009 20:03:56 -0000 Received: by Grumpy.DynDNS.org (Postfix, from userid 928) id 0251B2841F; Wed, 15 Jul 2009 14:47:19 -0500 (CDT) Date: Wed, 15 Jul 2009 14:47:18 -0500 From: David Kelly To: FreeBSD-Questions@FreeBSD.org Message-ID: <20090715194718.GA16401@Grumpy.DynDNS.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.3i Cc: Subject: 5000' ethernet? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jul 2009 20:04:18 -0000 Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? IIRC the classic ethernet problem limiting the distance between the farthest points on a network had to do with timing and collisions. If these two NICs are configured full duplex then it seems one would have no idea how far away the other was due to timing issues. 100baseT uses lower power drivers than 10baseT, so perhaps 10baseT would work better. In any case, have boxes of cat5 on order so as to find out myself. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? -- David Kelly N4HHE, dkelly@HiWAAY.net ======================================================================== Whom computers would destroy, they must first drive mad.