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  1. #1

    hardware addresses unique?

    Hello all. I'm wondering why when I want to connect to certain LANs, I need to manually register which I assume just registers your MAC address?. How unique are MAC addresses and if they are falsified can you then connect with dhcp. Also, is it possible for you to get caught using a duplicate MAC address? BTW, I'm not interested in doing anything nefarious.
    Thanks for any help,

  2. #2
    Linux Guru sarumont's Avatar
    Join Date
    Apr 2003
    MAC addresses are unique to the NIC. There are some NICs that allow you to change the MAC via the hardware, but these are hard to come by. You *can* spoof your MAC, but I'm not sure how to go about it.
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