RE: [SLUG] [OT] repeaters & hubs ##

[Alexander Else <coram@nospam.cyberchrist.org>]

At 01:52 PM 6/5/00 +1000, DaZZa wrote:
> > and bridges.
>
>Nope. bridges are just repeaters which have media converters in them - in
>other words, they rebroadcast anything they receive straight out the other
>port.
>
>DaZZa

Sorry, going to have to contradict you again there.  That would be a repeater.

Bridges segment a network at the data link later.  They can be used to 
physically break up a network and build a forwarding table of MAC addresses 
such that a broadcast to a particular address will only pass through the 
bridge to a particular network segment if a) the destination address is 
known to the bridge to be on that segment or b) the bridge doesn't know 
where the destination is, in which case it will forward the frame on to all 
network segments barring the originating port.  This forwarding table is 
dynamically built, the bridge learns new destinations as it goes and adds 
these MAC addresses to this forwarding table.


--
Alexander Else
http://cyberchrist.org

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