DHCP & MAC addresses

Discussion in 'Windows Networking' started by Adam, Apr 1, 2004.

  1. Adam

    Adam Guest

    ?; Does the DHCP service associate IP's to the requesting
    NetBIOS name or MAC address? Does it store the MAC
    address anywhere that can be reviewed?

    Adam, Apr 1, 2004
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  2. Take a look at the address leases in the DHCP snap in.
    Rob Elder MVP-Networking, Apr 2, 2004
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  3. It associates based on the MAC address (typically provided in the HWADDR
    field of the DHCP packet), but can also use the value passed by the client
    in the DHCP option 61 Client Identifier (though this is less common).

    As mentioned in another reply by Rob Elder (MVP), you can use the snapin to
    view the lease records, and see the MAC address/Unique ID that is used. You
    can also view this information by using the following Netsh command:
    netsh.exe dhcp server <serverIP> scope <scopeID> show clients

    Chris Edson

    This posting is provided "AS IS" with
    no warranties, and confers no rights.
    Chris Edson [MSFT], Apr 6, 2004
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