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Prevent IP Address Assignment via MAC Addr


I found this 12 year old thread,

 Block certain mac address to get ip from dhcp pool 

and would like to know if it is now possible to prevent the assignment of IP addresses to specific MAC addresses.


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  • I created a VLAN:

    And a DHCP server on the VLAN interface (Unknown):

    Static mappings for the unknown hosts in the Unknown address space:

    And they are still receiving an IP address from my production DHCP server:

    Blocking hosts shouldn't be this difficult. Ubiquiti can do it with three clicks...

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