Date: Thu, 15 Jan 1998 02:17:05 -0800 From: David Greenman <dg@root.com> To: Chris Caputo <ccaputo@alt.net> Cc: Tom <tom@uniserve.com>, freebsd-stable@FreeBSD.ORG Subject: Re: network performance problems (de0) (resend) Message-ID: <199801151017.CAA13226@implode.root.com> In-Reply-To: Your message of "Wed, 14 Jan 1998 23:58:37 PST." <Pine.BSI.3.93.980114235352.16369A-100000@baklava.alt.net>
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>On Wed, 14 Jan 1998, Tom wrote: >> On Wed, 14 Jan 1998, Chris Caputo wrote: >> >> > de0: enabling 100baseTX port >> > de0: enabling Full Duplex 100baseTX port >> ... >> > Any thoughts or suggestions on how to debug this further? >> >> Check the network first. Is the switch port that the machine is >> connected to set to fullduplex? >> >> The de driver never used to be capable of fullduplex, so I suspect this >> is the source of your problems. > >Thanks for the suggestions. > >The cable, port, and driver have been tested with a FreeBSD 2.1-STABLE >machine and Full Duplex 100baseTX has been confirmed and performance has >corresponded to a working configuration. The 2.1-STABLE de driver has >been working in full duplex for us for months. Nonetheless, the 'de' driver has historically been broken for full duplex operation and Tom's suggestion is right on the money. I'd try setting the device or the switch or both to half duplex to see if the problem goes away. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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