Date: Wed, 26 Dec 2001 15:11:48 -0500 (EST) From: Joe Clarke <marcus@marcuscom.com> To: "Peter/Los Angeles, CA" <peter@haloflightleader.net> Cc: Wilko Bulte <wkb@freebie.xs4all.nl>, <sthaug@nethelp.no>, <all@biosys.net>, <freebsd-stable@FreeBSD.ORG> Subject: Re: 4.5 PRERELEASE - Call for testing Message-ID: <20011226151020.V5326-100000@shumai.marcuscom.com> In-Reply-To: <00c001c18e48$f888f800$245b1486@hhlaw.com>
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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
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