roberto@pearljam:~$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
iface eth0 inet static
address 169.254.84.176
netmask 255.255.0.0
iface eth1 inet dhcp
address 169.254.84.176
netmask 255.255.0.0
auto eth0
auto eth1
roberto@pearljam:~$
PORTATILINO
auto lo
iface lo inet loopback
iface eth0 inet dhcp
iface eth1 inet dhcp
auto eth2
iface eth2 inet dhcp
auto wlan0
iface wlan0 inet dhcp