@Uniquimica Do you use the Controller Software, Hardware Controler, or the router's own web UI to manage the router? If you are in the Standalone mode to manage the router, how about using a simple...

@NikosK According to the specification, I am afraid not. The interface shows it is a fixed SFP WAN port.

riny wrote TP-Link support was able to help me with this offline. I have both java 8 and java 11 installed on this server due to a different dependency. I had previously modified the tpeap startup...

@John1234 Also you can do a MAC Clone, go to "Network--MAC--MAC Clone", click on Clone Current PC's MAC on the WAN port.

@chidipothu After you reboot the router, you can log in the Web UI of the router, go to "Status--System Status“ and check if the WAN port still have the WAN IP address, also check the status is...

@Jackie.L Hi there, is the issue the same as this link? https://www.tp-link.com/en/support/faq/3045/