How to limit IP per MAC
Simon Hobson
dhcp1 at thehobsons.co.uk
Tue Oct 3 19:17:49 UTC 2006
Serveur-Faucon Surveillance wrote:
>Very rarely, twice in my admin life actually
>(for 8 years), some computer of service eat away
>my IP address.
>
>What happen is that he ask for a IP address. So
>DISCOVER, INFORM and ACK. After that he does the
>same thing and get another IP address, rince and
>repeat.
>
>Is there any way to limit the number of active IP address per MAC address?
Probably the easiest way would be with a spawning
subclass. From man dhcpd.conf :
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
So you could probably do something like :
class "limited" {
spawn with option hardware ;
lease limit 3;
}
to limit any MAC address to 3 active leases at any time.
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