Date: Fri, 13 Dec 2002 21:48:50 -0600 From: Tillman <tillman@seekingfire.com> To: FreeBSD Mailing List <freebsd-questions@FreeBSD.ORG> Subject: Re: Hubs and switches (was: uninformed qstn...) Message-ID: <20021213214850.D9342@seekingfire.com> In-Reply-To: <20021214034131.GH503@wantadilla.lemis.com>; from grog@FreeBSD.ORG on Sat, Dec 14, 2002 at 02:11:31PM %2B1030 References: <20021213060718.GA8054@tao.thought.org> <20021214034131.GH503@wantadilla.lemis.com>
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On Sat, Dec 14, 2002 at 02:11:31PM +1030, Greg 'groggy' Lehey wrote: > I've seen little difference. But DON"T BUY A HUB! Buy a switch > instead. They'll give you better performance, and they hardly cost > any more. Great advice. It looks like Cisco has even stopped listing hubs for sale - layer two switching seems to firmly in control these days :-) > I have three switches in my network: a Cisco 2900 (24 ports), a > Netgear FS105 (5 ports) and a D-Link DSS-8+ (8 ports), in rapidly > decreasing order of cost. I've never had any trouble with any of > them. It's possible that the cheap switches might have trouble with > sustained throughput: an 8 port 100 Mb/s switch can theoretically be > confronted with a load of 800 Mb/s. I believe the D-Link can do this > speed, though I can't find the docco. No 100 Mb/s hub will have a > bandwidth of more than 100 Mb/s, however, and even that is limited by > collisions. It's even worse than that. With full duplex being common, that switch could theoretically have to cope with 1600Mb/s. For $50, the fact that they do so fairly reliably is amazing. - Tillman -- Page xxviii: Live with Unix long enough and you will change. You will become more creative, and you will come to understand the spirit of creation in others. - Harley Hahn, _The Unix Companion_ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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