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Date:      Fri, 25 Feb 2000 00:32:35 +0100
From:      sthaug@nethelp.no
To:        didi@Xterminator.STUDFB.UniBw-Muenchen.de
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: dc0 wierdness with Compex Freedomline
Message-ID:  <33608.951435155@verdi.nethelp.no>
In-Reply-To: Your message of "Thu, 24 Feb 2000 19:48:35 %2B0100"
References:  <Uny1OJtc5fTJx8wA9NekGTtt5RB0@4ax.com>

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> No, it is not. It is 100Mbps upstream and 100Mbps downstream. You cannot get
> 200Mbps in one direction. FDX (Full Duplex) simply means that the RX and TX
> cables are used simultaneous. Due to the small ethernet frame size, it is
> next to impossible to get the full speed for data transmission.

FreeBSD has been able to do that (full speed) for several years now.
I measured this myself way back in June 1997, between a P-133 and a
PPro-200. You can do much better with current hardware.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no


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