After some months of trying I successful build a WDS mode between two 8961N, but now i have a different problem. the WDS works perfectly but about 10 -30 min the main routers hangs and must be restart

I have two TD-W8961N, the first one is connect to the internet with adsl , and the second one is in another room both are conf with wds on the first one had 192.168.1.1 as ip , had wds on, same channe

It is possible to bridge from a TD-W8961N as modem/router to a TL-MR420 as repeater to extend wi-fi range?. i can access both routers from the main wifi network, but if i connect to the secondary netw