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Originally Posted by Stuart C
You are talking about standard switches. Something 99% of NTL customers won't have. AFAIK. Routers using NAT do not expose the MAC address of any device inside the network to any device outside it. AT&T did come up with a method that can effectively guess how many devices are attached to a router, but I don't know if there is a precise method.
Edit: Carl got there first.
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LOL - he beat you by miles!!!!!
I wasnt 100% sure about the router business. I know that NAT Routers only expose one IP address to the big bad world so I guess that should follow for physical addresses too. Bit of a schoolboy error !!!
/me runs off to buy "Networking for Dummies"
