From owner-freebsd-stable Wed Dec 26 11:57:56 2001 Delivered-To: freebsd-stable@freebsd.org Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by hub.freebsd.org (Postfix) with ESMTP id 4BBF137B416 for ; Wed, 26 Dec 2001 11:57:51 -0800 (PST) Received: (from wkb@localhost) by freebie.xs4all.nl (8.11.6/8.11.6) id fBQJvkV15109; Wed, 26 Dec 2001 20:57:46 +0100 (CET) (envelope-from wkb) Date: Wed, 26 Dec 2001 20:57:46 +0100 From: Wilko Bulte To: sthaug@nethelp.no Cc: all@biosys.net, freebsd-stable@FreeBSD.ORG Subject: Re: 4.5 PRERELEASE - Call for testing Message-ID: <20011226205746.A15083@freebie.xs4all.nl> References: <5.1.0.14.0.20011226141409.00b02048@rfnj.org> <4183.1009396491@verdi.nethelp.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <4183.1009396491@verdi.nethelp.no>; from sthaug@nethelp.no on Wed, Dec 26, 2001 at 08:54:51PM +0100 X-OS: FreeBSD 4.5-PRERELEASE X-PGP: finger wilko@freebsd.org Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Dec 26, 2001 at 08:54:51PM +0100, sthaug@nethelp.no wrote: > > >Please don't try to claim that this doesn't happen. It does - even with > > >new equipment from well known manufacturers. > > > > I'll claim I've never seen it so long as I was using auto-negotiating > > devices.. nics from linksys, 3com, intel and others.. switches and hubs > > from the same three. > > Good for you. I (and my co-workers) haven't been nearly as lucky. Neither have I, please allow me a another question. > The speed is not a problem. The duplex configuration is. > > What I (and I believe Tom) is saying is that if you have such a device, > and you force the NIC connected to it to a certain duplex setting, it may > work (both ends get the same duplex setting), or it may not. When it does > *not* work, you have a duplex mismatch - which means that many packets > will get through, but you'll have a significantly higher rate of errors > than normal, in the form of late collisions etc. Can one expect two 10/100 switches to "agree" on a common duplex and speed setting? In my experience in some cases connecting two switches will plain not work at all. Appreciate your expertise here Wilko -- | / 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