Network Card Strangeness

[Lew Bloch]

Jonathan Allen wrote:
> In an ideal world, I would like to inhibit traffic from the fast machines
> being bridged onto the slow machines' part of the network unless it is
> actually directed to them so as to maximise the bandwidth on that part of
> the network, but I can live without that feature.

That's what a network switch does.  As stated in this thread, the Linux 
bridge also acts as a switch.