From owner-freebsd-questions Tue Oct 12 11:18:39 1999 Delivered-To: freebsd-questions@freebsd.org Received: from implode.root.com (root.com [209.102.106.178]) by hub.freebsd.org (Postfix) with ESMTP id B7F9C157FA for ; Tue, 12 Oct 1999 11:18:22 -0700 (PDT) (envelope-from dg@implode.root.com) Received: from implode.root.com (localhost [127.0.0.1]) by implode.root.com (8.8.8/8.8.5) with ESMTP id LAA17269; Tue, 12 Oct 1999 11:16:50 -0700 (PDT) Message-Id: <199910121816.LAA17269@implode.root.com> To: Mitch Collinsworth Cc: Christopher Michaels , "'Mike Squires'" , questions@FreeBSD.ORG Subject: Re: Setting Intel Pro100B to half duplex In-reply-to: Your message of "Tue, 12 Oct 1999 13:42:40 EDT." <199910121742.AA193980161@broccoli.graphics.cornell.edu> From: David Greenman Reply-To: dg@root.com Date: Tue, 12 Oct 1999 11:16:50 -0700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >Also I'm curious about your statement about autonegotiate being >notorious. I've heard this stated frequently but never with any data >to back it up. After the above reply from Mr. Greenman I read up on >autonegotiation in 3 different books on high-speed networking and have >come to the _tentative_ conclusion that this rumor is based on old >hardware. > >It seems that the 100 Mbps ethernet spec pre-dates the NWAY >autonegotation spec and in fact there was a different method used for >autonegotiation in the earliest days of 100 Mbps ethernet. My guess is >that this rumor was started during those early days and is still being >dutifully passed on by those who experienced problems with the early >non-NWAY equipment (and those who've heard the war stories from them). > >Can you (or anyone) state with any degree of certainty that any modern >equipment built with NWAY autonegotiation exhibits any problems with >autonegotiation? Most Cisco hardware gets it wrong, for whatever reason...at least when it is talking with a Pro/100. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org Creator of high-performance Internet servers - http://www.terasolutions.com Pave the road of life with opportunities. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message