Date: Wed, 26 Dec 2001 13:08:14 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: sthaug@nethelp.no Cc: kjohnso8@columbus.rr.com, stable@FreeBSD.ORG Subject: Re: 4.5 PRERELEASE - Call for testing Message-ID: <20011226130814.A13115@freebie.xs4all.nl> In-Reply-To: <97595.1009359920@verdi.nethelp.no>; from sthaug@nethelp.no on Wed, Dec 26, 2001 at 10:45:20AM %2B0100 References: <001301c18de9$c7ed5240$3602a8c0@columbus.rr.com> <97595.1009359920@verdi.nethelp.no>
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On Wed, Dec 26, 2001 at 10:45:20AM +0100, sthaug@nethelp.no wrote: > > Well gee Tom.... if one end doesn't respond to negotiation... are you saying > > the smart end will force a speed or duplex that can't possibly work? Lets > > say I have an old 10Mbs ONLY card... are you declaring that it gets toasted > > by auto-negotiate every single time? > > It's very simple. The devices at each end of a TP cable can autodetect > speed. However, if the duplex mode is locked (set manually) at one end > (whether it is locked at half or full duplex), you *cannot* depend on > the other end to get the correct duplex mode. Sometimes it will work, > sometimes it won't. > > Thus the advice to either use auto-negotiate everywhere, or use manual > everywhere. One end auto-negotiate and one end manual is a recipe for > disaster. So, that implies that in these cases non-managable switches are doomed as you cannot 'hard-set' them to some value. -- | / o / /_ _ email: wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, The Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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