Date: Wed, 20 Nov 1996 15:49:21 -0800 (PST) From: Tom Samplonius <tom@sdf.com> To: Joe Greco <jgreco@brasil.moneng.mei.com> Cc: Christopher Masto <exidor@superior.net>, hackers@freebsd.org Subject: Re: Ipx to ip routing Message-ID: <Pine.NEB.3.94.961120154201.2174B-100000@misery.sdf.com> In-Reply-To: <199611202158.PAA07895@brasil.moneng.mei.com>
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On Wed, 20 Nov 1996, Joe Greco wrote: > > Joe Greco writes: > > > Ethernet switches are not supposed to do anything other than MAC level > > > address routing. > > > > > > Switches by definition will certainly allow IP address collisions because > > > they do not have a clue what the hell an IP address is. > > > > > > The other disadvantage of switches is the potentially large amount of > > > ARP'ing that can go on to locate hosts in such a network. > > > > I guess you're not aware of some of the stuff Synoptics/Bay makes. Check it > > out sometime - it may come in handy some day. > > What I'm aware of and what a switch - by definition - is, are two > potentially different things. > > Anything that performs switching at a non-MAC layer is not an Ethernet > switch, it is something else. > > "Learn the correct terminology - it may come in handy some day." > > ... JG Thats right. What has been described sounds like a bridge, not a switch. I guess you just have a big multi-port bridge. Probably supports 802.1D for interlinking bridges. Bridges learn IP addresses of systems connected to each segement, and uses this information to direct traffic. Tom
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