Date: Sun, 18 Jul 1999 08:48:26 -0400 From: Tim Walker <tim@cyberghost.org> To: Jeff Ito <jeffi@rcn.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: de0 duplex... Message-ID: <3791CD1A.C88129F0@cyberghost.org> References: <Pine.LNX.4.10.9907172237530.2659-100000@dros.delnoch.net>
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Jeff,
This may or may not be the problem, but some (3 Com comes to mind)
switches don't always recognize full duplex cards correctly. If you put a hub
between the Nic and the Switch you may be able to trick the Switch into
running correctly at full duplex.
Tim Walker
Jeff Ito wrote:
> Hello,
>
> I am having a problem with my DEC ethernet card. (DC21142 (rev.48)),
> using media and mediaopt, I am forcing the card to run at 100baseTX
> (full-duplex). The kernel messages, as well as ifconfig indicate that it
> thinks it is running at full-duplex. Yet the switch it is plugged into
> indicates otherwise. I was wondering if anyone has any suggestions as to
> how I can rectify this problem.
> It's not the port on the switch, other cards will work at full duplex
> on that port. And just to take precation I swapped out the card with
> another just like it, and the symptoms are the same.
>
> Any input would be greatly appreciated.
>
> Jeff
>
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