From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Taylor Date: Thu, 21 Jun 2007 01:45:46 +0000 Subject: Re: [LARTC] Linux bridging and cascaded switches Message-Id: <4679D84A.4040304@riverviewtech.net> List-Id: References: <925A849792280C4E80C5461017A4B8A210B8D8@mail733.InfraSupportEtc.com> In-Reply-To: <925A849792280C4E80C5461017A4B8A210B8D8@mail733.InfraSupportEtc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org On 6/20/2007 3:58 PM, John Default wrote: > when switch doesn't know destination it works like hub, so at the > beginning your network will be flooded with frames and this way all > switches will learn mac addresses no matter how many hops. (frame > will be broadcasted to all corners of LAN). This is also why it is a bad idea to have an overly large broadcast domain. This is also why you do not want to bridge across a WAN link if you don't have to. Usually the broadcasts are local to the LAN and need not go across the WAN link. Grant. . . . _______________________________________________ LARTC mailing list LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc