Same. Two XE75s with port one not working on either.

@TP-Link I switched the Ethernet cable from port 1 to port 3 as suggested by another user on this thread and that worked for me as well. I had tried a different cable from the modem to port 1 and...

I'm having the same issue since updating my XE75(1.0) to the latest firmware a few days ago (1.2.5 Build 20230530 Rel. 46610).