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Originally Posted by MagicMan
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Originally Posted by Zeph
So I thought but when I questionned this a time a go, CS seemed to be able to find out how many PCs were connected even when they were behind a NAT gateway of some kind (ICS/Router/etc)
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They more than likely do it by MAC address. Its the same with any managed network environment. If you have say a 24 port managed switch and 23 ports have single PC's connected, then you will see just one MAC address per port. If you add another switch or hub to the port 24 and connect 4 PC's to that, then the port will display 4 MAC addresses for that physical port. |
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.