@terziyski thank you for the reply, but both case didn't work for me and the only way to access configuration site is by disconnecting the WR940N WAN port, at least there's a way to configure it. And...

So i set my TL-WR940N router to access point mode and use it to extend Wifi from a main router using cable from the main router LAN port. The WR940N default gateway is 192.168.0.1 as mentoined in the...