The router is still disconnecting from WAN. But, I notice that when the connection drops, the access point router cannot find the main router in the local area. And after I do a reboot on access...

@Ivaylo thank you! I will check the log tomorrow

Hello, my Tp-Link router frequently disconnect from WAN. I don't think it is an issue from ISP, because with the old router I didn't face this problem. My setup is made of 2 AX10 routers. First is...