Hi David,

 BS> The outside world see's the spoofed (duplicated) MAC address,
 BS> while the inside world sees the true MAC address.  Thus neither
 BS> identical MAC address sees itself.

 BS>       Make sense now?

 DD> It does in that application, but in the case of a 
 DD> wireless network segment "protected' by MAC filtering, 
 DD> if someone/thing else presented the same MAC address as 
 DD> my device, wouldn't the system get confused?

I struggle to see how anyone who uses MAC filtering could consider
themselves as having "protection". I am glad you enclosed that
word in quotes.....;-)

Cheers............pk.


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