I have a TL-WA850RE in AP mode, connected via ethernet to the home router.

Until yesterday, it was working fine. Devices could connect to the RE wifi and access the internet.

Suddenly, devices connected to the RE wifi stopped having internet access.

I checked the RE diagnostics and it reports no internet access.

What I did:

 - changed network cable from home gateway to RE

 - changed the ethernet cable to another port of the home gateway

 - upgraded firmware to version 20231115

 - disabled LAN DHCP (set static IP for the RE)

 - disabled DHCP Server

Still without success. I can connect deviced to the RE wifi network, but no access to the internet.

Home gateway is working without issues for both wired and wireless connections.

I tried setting the RE to wifi extender mode and it seems to be working as expected, however this is not my desired mode.

I need it to work in AP mode as it was until yesterday.

Any other troubleshooting I can do?