Your MAC address on your NIC is unique, but a problem arises because the MAC
address is Ethernet (the same collision domain) and the internet routes IP,
which is a layer above Ethernet. The majority of the internet routes IP
over ATM, a much quicker alternative to Ethernet. You see, Ethernet, AT
>Hello,
>
>that's what I wanna find out:
> The MAC (that's something like a unique network-card number)
It is not "like a". it IS unique - each manufacture of network cards have
there own prefix number, and then the manufacture is responsible to ensure
that each network adapter has it own MAC (a
