Code :

# Exemple de configuration /etc/dhcpd.conf

option domain-name "nom_choisi";
option subnet-mask 255.255.255.0;
option domain-name-servers 192.168.1.10 , 192.168.1.11;
ddns-update-style ad-hoc;

option routers 192.168.1.1;

default-lease-time 86400;
max-lease-time 604800;

subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.4 192.168.0.253;
option broadcast-address 192.168.1.255;
}