Also noted: I was able to switch the wlan0 off, using the Netbook wireless case switch, observe iwlan0 was gone from ifconfig, and switch it back on and observe wlan0 was back again.
Also noted: I was able to switch the wlan0 off, using the Netbook wireless case switch, observe iwlan0 was gone from ifconfig, and switch it back on and observe wlan0 was back again.