Date: Sat, 14 Dec 2002 16:15:34 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Scott Robbins <scottro@nyc.rr.com> Cc: FreeBSD Mailing List <freebsd-questions@FreeBSD.ORG> Subject: Re: Hubs and switches (was: uninformed qstn...) Message-ID: <20021214054534.GK503@wantadilla.lemis.com> In-Reply-To: <20021214040557.GA1797@scottro11.homeunix.net> References: <20021213060718.GA8054@tao.thought.org> <20021214034131.GH503@wantadilla.lemis.com> <20021213214850.D9342@seekingfire.com> <20021214040557.GA1797@scottro11.homeunix.net>
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On Friday, 13 December 2002 at 23:05:57 -0500, Scott Robbins wrote: > On Fri, Dec 13, 2002 at 09:48:50PM -0600, Tillman wrote: >> 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 :-) > > The price difference has really become almost non-existent--one thing > that we've found to happen with some cheap switches (a year or so old, > hasn't happened with newer cheap switches) is that if one moves a computer > from one location to another, the switch seems to take its time flushing > its tables and the box won't immediately be able to get an address. > It's only happened once or twice with a VERY cheap Linksys (again, the > switch is probably 1-2 years old, and this problem might be fixed by > now). This is probably a feature, not a bug. It's part of the spanning tree algorithm used to detect and avoid link-level routing loops. My expensive Cisco switch has the same feature, but I found somebody with enough Cisco-foo to turn it off. Check the documentation of your switch. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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