auto lo
iface lo inet loopback
#auto wlan0 wlan0:1
# iface wlan0 inet static
#     address 192.168.1.239
#     network 192.168.0.0
#     netmask 255.255.255.0
#     broadcast 192.168.1.255
#     gateway 192.168.1.50
# iface wlan0:1 inet static
#     address 192.168.1.238
#    network 192.168.0.0
#     netmask 255.255.255.0
#     gateway 192.168.1.11