debian:/home/alvarez# cat /etc/network/interfaces
auto lo eth0 eth1 eth2 eth2:1
iface lo inet loopback

iface eth0 inet static
        address 192.168.1.11
        netmask 255.255.255.0
        network 192.168.1.0
        broadcast 192.168.1.255
        gateway 192.168.1.1

iface eth1 inet static
        address 192.168.2.22
        netmask 255.255.255.0
        network 192.168.2.0
        broadcast 192.168.2.255
        gateway 192.168.2.1

iface eth2 inet static
        address 10.0.0.1
        netmask 255.255.255.0
        network 10.0.0.0
        broadcast 10.0.0.255

iface eth2:1 inet static
        address 176.16.0.1
        netmask 255.255.255.0
        network 176.16.0.0
        broadcast 176.16.0.255
debian:/home/alvarez#