@TP_Abhi There's nothing much you can do - when the main router restarts the WDS breaks and the reason your Windows computer is getting an auto-configuration IP address 169.254.x.y is that it can't...

@bdore Yes, they are correct - that's why I didn't comment on these.

@bdore Since the ISP modem is in bridge mode you should use Scenario 2.

@Joker_1660 That's pretty nomal - TAPO C520WS has 1× 10/100 Mbps RJ45 Port.

@abrayshaw If your ethernet cable is too long this could be due to a voltage dropout over the cable. Try powering the AP by the external power supply and test if any improvement.

@RBot The only solution is to contact your ISP and ask if they can arrange that your receive your publuc IP address on your router WAN port. This usually happens when you're behind a CG-NAT or for...