From owner-freebsd-stable Wed Dec 26 12:11:49 2001 Delivered-To: freebsd-stable@freebsd.org Received: from shumai.marcuscom.com (rdu57-28-046.nc.rr.com [66.57.28.46]) by hub.freebsd.org (Postfix) with ESMTP id 4ED8837B405 for ; Wed, 26 Dec 2001 12:11:46 -0800 (PST) Received: from localhost (marcus@localhost) by shumai.marcuscom.com (8.11.6/8.11.6) with ESMTP id fBQKBmB06356; Wed, 26 Dec 2001 15:11:48 -0500 (EST) (envelope-from marcus@marcuscom.com) X-Authentication-Warning: shumai.marcuscom.com: marcus owned process doing -bs Date: Wed, 26 Dec 2001 15:11:48 -0500 (EST) From: Joe Clarke To: "Peter/Los Angeles, CA" Cc: Wilko Bulte , , , Subject: Re: 4.5 PRERELEASE - Call for testing In-Reply-To: <00c001c18e48$f888f800$245b1486@hhlaw.com> Message-ID: <20011226151020.V5326-100000@shumai.marcuscom.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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, 26 Dec 2001, Peter/Los Angeles, CA wrote: > > > 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. > > I am not an expert, but these are the switches that I use with some > regularity: > Cisco Catalyst 1900 > Cisco Catalyst 2948 > Netgear FS116 > > These switches speak to each other just fine. Our office has 5 different > floors. Resources from the LAN room in one floor is distributed via having > a single Catalyst 2948 on each floor. Each of these 2948s are connected to > each other directly via TP. In the LAN Room, there is a Cisco 2500 Router, > which connects us to another branch in DC. > > Anyway, to answer your question, switches can be daisy chained. I don't > remember the rewls as far as which kind of cable to use, for instance, I > believe it's a cross-over for switch to switch, and computer to switch uses > straight-thru cables or was that backwards. I get this confused all the > time, but I just try out two different cables, and one always works, so I > never really remember which is which. > > Just a word of caution to those using Netgear hubs and Cisco switches; I've > never successfully made these two devices communicate. The collision light > on the netgear hub goes on, and never goes off when connected to the Cat. This should work. Just make sure to hardcode the Cisco switch to be half-duplex. Hubs cannot be full-duplex by design. Also, switch-switch or switch-hub uses cross-over cable (unless your plugging into a MDI or cascade port, then use straight-through). pc-switch or pc-hub or router-switch or router-hub uses straight-through. Joe > > Hope this helps. > > Peter > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message