I've been Troubleshooting this issue since a week now, randomly Device's just get stuck in obtaining ipaddress. Sometimes even for LAN devices connected directly such as my TV just says not connected to ethernet and i have to reboot the router to fix it.

I've even clean reset the router and have the default settings and still the same issue.

At the moment i have finally given up, and made one of my AP routers the DHCP server and is working as a workaround.

But man what a pain this has been.. TP link very disappointed at this.

Bought a expensive wfi7 10k Rs router for home and i have to plug my old router to keep the current one running its just SAD.

as a network engineer Have recommended TP link to so many ppl not anymore.