Something

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
        address 192.168.0.29
        netmask 255.255.255.0
        network 192.168.0.0
        broadcast 192.168.0.255
        gateway 192.168.0.1
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 192.168.0.1
        dns-search tuxnetwork