Windows Vista Forums

Routers & MAC Addresses
  1. #1


    Patrick Whittle Guest

    Routers & MAC Addresses

    I have three computers (four actually; I will explain) accessing a router

    for Internet access. I found out where to go, in order to modify the MAC

    address for the forth computer. This computer (host actually, rather than

    physical computer) boots from my second choice on the OS boot menu; it

    doesn't have a NIC installed. I decided to use a Linksys wireless USB

    adapter to connect to the router. Connectivity worked just fine in the

    beginning, but a couple months later, it failed.



    Then I found a way to edit a key in the registry so that MAC addresses

    (created through cloning) can be used by any NIC you want. I edited the key

    below :





    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318]



    HKEY_LOCAL_MACHINE

    \SYSTEM

    \CurrentControlSet

    \Control

    \Class

    \{4D36E972-E325-11CE-BFC1-08002BE10318}





    That worked fine in the begging, but what the router's DHCP ended up

    recording was very asymmetric. It recorded the MAC address of the fourth

    computer as being:



    524153200080C6FE884D000000000000



    When the MAC address is really: 52-41-53-20-00-80





    You can see that the MAC address was actually recorded, but with out

    delimiting (-) characters. The actual key structure though, is standard &

    documented. It is the place where all NIC producers store their MACs. Why

    isn't my router recording my wireless MAC address properly?




      My System SpecsSystem Spec

  2. #2


    Peter Foldes Guest

    Re: Routers & MAC Addresses

    One place you did not post but posted just about everywhere is the newsgroup that
    this issue belongs to.

    news://msnews.microsoft.com/microsof...xp.network_web


    --
    Peter

    Please Reply to Newsgroup for the benefit of others
    Requests for assistance by email can not and will not be acknowledged.

    "Patrick Whittle" <patrick_whittle@xxxxxx> wrote in message
    news:ue4iiPZUJHA.5284@xxxxxx

    >I have three computers (four actually; I will explain) accessing a router
    >
    > for Internet access. I found out where to go, in order to modify the MAC
    >
    > address for the forth computer. This computer (host actually, rather than
    >
    > physical computer) boots from my second choice on the OS boot menu; it
    >
    > doesn't have a NIC installed. I decided to use a Linksys wireless USB
    >
    > adapter to connect to the router. Connectivity worked just fine in the
    >
    > beginning, but a couple months later, it failed.
    >
    >
    >
    > Then I found a way to edit a key in the registry so that MAC addresses
    >
    > (created through cloning) can be used by any NIC you want. I edited the key
    >
    > below :
    >
    >
    >
    >
    >
    > [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318]
    >
    >
    >
    > HKEY_LOCAL_MACHINE
    >
    > \SYSTEM
    >
    > \CurrentControlSet
    >
    > \Control
    >
    > \Class
    >
    > \{4D36E972-E325-11CE-BFC1-08002BE10318}
    >
    >
    >
    >
    >
    > That worked fine in the begging, but what the router's DHCP ended up
    >
    > recording was very asymmetric. It recorded the MAC address of the fourth
    >
    > computer as being:
    >
    >
    >
    > 524153200080C6FE884D000000000000
    >
    >
    >
    > When the MAC address is really: 52-41-53-20-00-80
    >
    >
    >
    > You can see that the MAC address was actually recorded, but with out
    >
    > delimiting (-) characters. The actual key structure though, is standard &
    >
    > documented. It is the place where all NIC producers store their MACs. Why
    >
    > isn't my router recording my wireless MAC address properly?
    >
    >
    >

      My System SpecsSystem Spec

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