From owner-freebsd-net@FreeBSD.ORG Mon Dec 22 11:03:10 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 18EA616A4CE for ; Mon, 22 Dec 2003 11:03:09 -0800 (PST) Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by mx1.FreeBSD.org (Postfix) with ESMTP id B54F543D70 for ; Mon, 22 Dec 2003 11:02:13 -0800 (PST) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: from khavrinen.lcs.mit.edu (localhost [IPv6:::1]) by khavrinen.lcs.mit.edu (8.12.9/8.12.9) with ESMTP id hBMJ1eDa034344 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK CN=khavrinen.lcs.mit.edu issuer=SSL+20Client+20CA); Mon, 22 Dec 2003 14:01:41 -0500 (EST) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.12.9/8.12.9/Submit) id hBMJ1cSo034341; Mon, 22 Dec 2003 14:01:38 -0500 (EST) (envelope-from wollman) Date: Mon, 22 Dec 2003 14:01:38 -0500 (EST) From: Garrett Wollman Message-Id: <200312221901.hBMJ1cSo034341@khavrinen.lcs.mit.edu> To: David Gilbert In-Reply-To: <16358.15011.888736.676362@canoe.dclg.ca> References: <20031220151122.GQ60229@elvis.mu.org> <16358.15011.888736.676362@canoe.dclg.ca> X-Spam-Score: -19.8 () IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES,REPLY_WITH_QUOTES X-Scanned-By: MIMEDefang 2.37 cc: net@FreeBSD.ORG Subject: crossover between gigE? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Dec 2003 19:03:10 -0000 < said: > As long as the chipsets are compliant, an 8 wire straight thru cable > works as both a straight and a crossover. The GigE standard requires > this behaviour. "Crossover" isn't meaningful in the case of GigE: both stations transmit and receive simultaneously on all four paris. -GAWollman