Wireless 2 Settings:
1. Wlan Mode: AP+WDS Parent: AP master mode.
2. Broadcast SSID: broadcast SSID to every clients
3. Transmit power: change the amount of power used by a radio transceiver to send the
signal out.
4. Isolation:
VAPs: isolate the traffic between wireless1 and wireless2
Clients: isolate the traffic between each wireless client
5. Security Mode: WPA2 allows WPA and WPA2 stations.
WPA/WPA2 with RADIUS only support for AP mode
