editare il file /etc/network/interfaces, di cui di seguito è mostrato un esempio:
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 213.26.179.202
netmask 255.255.255.240
network 213.26.179.192
broadcast 213.26.179.207
gateway 213.26.179.193
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 213.26.179.194
auto eth1
iface eth1 inet static
address 192.168.10.1
netmask 255.255.255.0
network 192.168.10.0