Something

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
	address 192.168.0.106
	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

# The wireless network interface
allow-hotplug ath0
iface ath0 inet dhcp
#	address 192.168.0.106
#	netmask 255.255.255.0
#	network 192.168.0.0
#	broadcast 192.168.0.255
#	gateway 192.168.0.1
#	dns-nameservers 192.168.0.1