Configuracion de Ubuntu(Debian (linux)) con router de Telefonica,funciona

auto lo
iface lo inet loopback
address 127.0.0.1
netmask 255.0.0.0


iface wlan0 inet static
iwconfig wlan0 restricted
iwpriv wlan0 set EncryptionType= WEP
address 192.168.1.34
netmask 255.255.255.0
gateway 192.168.1.1
wireless-essid Wirelless
wireless-key s:xxxxxxxxxxx
auto wlan0