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On Wed, Apr 28, 1999 at 03:10:43AM -0500, Andy Thaggard wrote:
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>
> re,
> Having just completed my instructor training for the Cisco Networking
> Academy Program, the definition that Nico used is the most accurate to
> what I've seen Cisco and Fore teach. The examples of a hub being a
> multiport repeater and a switch being a multiport bridge is the most
> common term I have seen. Except, the switched hub (switch) will also
> forward all broadcasts to all ports unless configured into VLan's
> (usually, but not necessarily, logical grouping off of a switch port).
>
> My $.02
Thanks for the flattery. :)
But as your post and others on this thread show, there are so many
features that smart bridges/hubs/switches can have that the all this
terminology quickly gets blurred.
Still, I find that thinking of switches as multi-port bridges, and of
hubs as multi-port repeaters is the simplest conceptual compression of
all of the various concepts that apply, and it's not too inaccurate.
Also, I can imagine bridges that use layer 3 information to best manage
traffic. I'm pretty sure they exist too (and are used by those
unfortunate souls who have to put up with briging LANs across WANs). So
switches that have VLAN and/or layer3 routing capabilities can still be
conceptually similar to multi-port bridges.
:)
> --
> Andy Thaggard
> Director of Technology
> Aberdeen School District
> The First Mississippi Public School Online
Nico
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