Ignore DISCOVERs from a certain MAC?

[Simon Hobson]

Tina Siegenthaler wrote:

>Maybe someone of you can help me... I want my DHCP-Server to ignore 
>DISCOVERs that are issued by a certain MAC address. Why this?
>
>I keep getting DISCOVERS on my DHCP server from a MAC address 
>00:14:22:72:6d:cb - about every minute or so. Like this:
>
>Jul 16 13:27:32 DHCP-0352 dhcpd: DHCPDISCOVER from 00:14:22:72:6d:cb
>via 130.60.23.1: peer holds all free leases

How about :

host bad_device {
   hardware ethernet 00:14:22:72:6d:cb ;
   ignore booting ;
}