Date: Mon, 19 Jan 1998 14:19:40 -0800 (PST) From: Chris Caputo <ccaputo@alt.net> To: freebsd-stable@FreeBSD.ORG Subject: Re: network performance problems (de0) (resend) Message-ID: <Pine.BSI.3.93.980119141725.21974F-100000@baklava.alt.net> In-Reply-To: <Pine.BSI.3.93.980115023520.22831E-100000@baklava.alt.net>
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I ended up swapping in a 21140 based card (DE500-XA) to replace the 21143 (DE500-BA) based one and the problem went away. The conclusion based on this is that the 21143 driver may not be working well for Full-Duplex 100BaseTX applications. Some people asked about the switch. The switch is a Cisco Catalyst 2901. Chris On Thu, 15 Jan 1998, Chris Caputo wrote: > On Thu, 15 Jan 1998, David Greenman wrote: > > 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. > > Respectfully, I wonder if this is because people didn't know the link > settings necessary to activate it on 2.1-STABLE. On 2.1 we are using > > ifconfig_de0="inet x.x.x.x link0 link1 link2 netmask x.x.x.x" > > in /etc/sysconfig and it is working like a charm. The switch reports no > corrupt packets and netstat reports no collisions (implying nominal full > duplex operation). > > I'll keep messing around with 2.2-STABLE and report anything that might be > useful. > > Thanks, > Chris >
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