Date: Tue, 12 Oct 1999 14:23:42 -0700 From: Randy Katz <randyk@ccsales.com> To: David Greenman <dg@root.com> Cc: Mitch Collinsworth <mkc@Graphics.Cornell.EDU>, Christopher Michaels <ChrisMic@clientlogic.com>, "'Mike Squires'" <mikes@sir-alan.chem.indiana.edu>, questions@FreeBSD.ORG, Randy Katz <randyk@ccsales.com> Subject: Re: Setting Intel Pro100B to half duplex Message-ID: <19991012142342.A15492@ccsales.com> In-Reply-To: <199910121816.LAA17269@implode.root.com>; from David Greenman on Tue, Oct 12, 1999 at 11:16:50AM -0700 References: <199910121742.AA193980161@broccoli.graphics.cornell.edu> <199910121816.LAA17269@implode.root.com>
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I'ts a nice story, just wait 'till *YOU* have a problem with autonegotiation, will you be smart enough to check that first or will your network suffer endless packet loss...until you call in a consultant...like David Greenman? Take care, Randy Katz On Tue, Oct 12, 1999 at 11:16:50AM -0700, David Greenman wrote: > >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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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