Date: Wed, 13 Oct 1999 11:09:53 -0400 From: Mitch Collinsworth <mkc@Graphics.Cornell.EDU> To: dg@root.com Cc: Christopher Michaels <ChrisMic@clientlogic.com>, "'Mike Squires'" <mikes@sir-alan.chem.indiana.edu>, questions@FreeBSD.ORG Subject: Re: Setting Intel Pro100B to half duplex Message-ID: <199910131509.AA230117394@broccoli.graphics.cornell.edu> In-Reply-To: Your message of "Tue, 12 Oct 1999 16:25:24 PDT." <199910122325.QAA18188@implode.root.com>
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Thanks for the clarifications. -Mitch >>>> >Specify the 100BaseTX media w/o the "full-duplex" media option and it >>>> will >>>> >use half-duplex. Auto is notorious for not properly detecting things. >>>> >-Chris >>>> >>> Read: set the media type (whereby disabling auto-neg), it will >>>default to half-duplex. >> >>Ok so you're saying that locking the media type to 100baseTX will disable >>autonegotiation for duplex. I was considering speed and duplex to be >>independent. David, is this really true? > > Yes, setting either the speed or the duplex to a non-auto setting will >disable NWAY autonegotiation. > >>>> > The fxp device does default to auto-sense, but if you hard configure >>the >>>> >other end then [NWAY] autonegotiation is disabled, and thus whenever you >>do >>>> >that you have to set both ends if you want to be sure it is correct. The >>>> >default without autonegotiation is half-duplex. >>>> >>> Read: disable auto-neg (by setting the media type), it will default >>>to half-duplex. >> >>Well that's not how I read it. (But it might be what he meant.) I took >>it to mean: "Hard-configuring the other end will stop the other end >>from sending negotiation information. If that happens, the fxp device >>will receive no information from the other end and will not be able to >>make an informed decision. In this case fxp defaults to half-duplex." > > Yes, that is also true. > >-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
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