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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