Ideas: upgrade the router Wi-Fi driver to the latest from @eduperez (search forum for link) , make sure the pi itself has up-to-date drivers installed, and give this device static IP configuration both ipv4 and IPv6.
Ideas: upgrade the router Wi-Fi driver to the latest from @eduperez (search forum for link) , make sure the pi itself has up-to-date drivers installed, and give this device static IP configuration both ipv4 and IPv6.