# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
        address 192.168.0.3
        netmask 255.255.255.0
        gateway 192.168.0.1

        
# The secondary network interface
auto eth1
iface eth1 inet static
        address 192.168.0.4
        netmask 255.255.255.0
        gateway 192.168.0.1