Date: Thu, 24 Feb 2000 12:16:11 -0700 From: Chris Wasser <cwasser@v-wave.com> To: Dieter Rothacker <didi@Xterminator.STUDFB.UniBw-Muenchen.de> Cc: freebsd-current@FreeBSD.ORG Subject: Re: dc0 wierdness with Compex Freedomline Message-ID: <20000224121611.A2411@area51.v-wave.com> In-Reply-To: <Uny1OJtc5fTJx8wA9NekGTtt5RB0@4ax.com>; from didi@Xterminator.STUDFB.UniBw-Muenchen.de on Thu, Feb 24, 2000 at 07:48:35PM %2B0100 References: <20000224120438.A24299@shadowmere.student.utwente.nl> <20000224102131.A1796@area51.v-wave.com> <Uny1OJtc5fTJx8wA9NekGTtt5RB0@4ax.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Feb 24, 2000 at 07:48:35PM +0100, Dieter Rothacker wrote: > 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. You're right, I stand corrected. FDX is 100Mbps wide, but bi-directional, so it's only 12MB/s maximum theoretical speed (not including protocol overhead and what-not) .. I was basing the original opinion posted on assumed total bandwidth (100Mbps both ways) which is incorrect. I apologize for my ignorance :) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000224121611.A2411>