UPDATE: Well, that didn't last long. The Static IP no longer worked after 24 hr. It was good for troubleshooting, but the real solution is to either wait for the modem cache to flush or reset the...

Older issue with alternative workaround. Similar issue in- https://community.tp-link.com/us/home/forum/topic/521262 https://community.tp-link.com/us/home/forum/topic/150603 Likely cause was/is MAC...