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From: Grant Taylor <gtaylor@riverviewtech.net>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Linux bridging and cascaded switches
Date: Thu, 21 Jun 2007 01:45:46 +0000	[thread overview]
Message-ID: <4679D84A.4040304@riverviewtech.net> (raw)
In-Reply-To: <925A849792280C4E80C5461017A4B8A210B8D8@mail733.InfraSupportEtc.com>

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. . . .
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      parent reply	other threads:[~2007-06-21  1:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-19 22:54 [LARTC] Linux bridging and cascaded switches Greg Scott
2007-06-19 23:03 ` Alex Samad
2007-06-19 23:35 ` Greg Scott
2007-06-20  3:31 ` Greg Scott
2007-06-20  4:07 ` Alex Samad
2007-06-20 20:58 ` John Default
2007-06-21  1:34 ` Grant Taylor
2007-06-21  1:41 ` Grant Taylor
2007-06-21  1:45 ` Grant Taylor [this message]

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