This question is a follow-up to TP-Link TL-WA701N not working good as wireless extender
I have a TP-Link TL-WR340G wireless router and a TL-WA701N wireless extender available. My network is WPA2-protected and I discovered that, in order to enable wireless bridging, I must switch to WEP (almost secure as open network).
Only because my house walls are thick, I want to extend the wireless range across the apartment to let my tablets work everywhere and transparently switch from an AP to another. Another requirement is that all clients are within the same subnet or, better, that clients behind the second AP are not NATted and accessible by clients on main station.
How can I configure my network to achieve WPA protection, range extension and transparent switching?