Date: Thu, 24 Feb 2000 23:18:42 +0100 From: Pascal Hofstee <daeron@shadowmere.student.utwente.nl> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: Chris Wasser <cwasser@v-wave.com>, freebsd-current@FreeBSD.ORG Subject: Re: dc0 wierdness with Compex Freedomline Message-ID: <20000224231842.B74208@shadowmere.student.utwente.nl> In-Reply-To: <200002241907.OAA27437@khavrinen.lcs.mit.edu>; from wollman@khavrinen.lcs.mit.edu on Thu, Feb 24, 2000 at 02:07:40PM -0500 References: <20000224120438.A24299@shadowmere.student.utwente.nl> <20000224102131.A1796@area51.v-wave.com> <200002241907.OAA27437@khavrinen.lcs.mit.edu>
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On Thu, Feb 24, 2000 at 02:07:40PM -0500, Garrett Wollman wrote: > <<On Thu, 24 Feb 2000 10:21:31 -0700, Chris Wasser <cwasser@v-wave.com> said: > Assuming you mean ``100BASE-T (half duplex)'' here... This is not > quite right. In a CSMA/CD medium access protocol, like that used by > Ethernet, the actual capacity of the link is always(*) somewhat less than > 100%; the exact value depends on the precise parameters of the > transmissions at both ends.(**) Ok ... we all know what exactly should be theoretical maximum and all ... but that wasn't exactly my question ... I have having weird problems with the network performance permanently dropping to below 100 kB/s (while still in 100 Mbps/FDX). Is there anybody that could give a plausible explanation for this break-down ? -- Pascal Hofstee < daeron @ shadowmere . student . utwente . nl > Managers know it must be good because the programmers hate it so much. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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