@Victorlin I would recommend to use this guide (Case 2) for configuring the router if you want to use the OpenVPN. WDS mode is mainly for using the device as a wireless range extender.

@Hiritomi Yes, that's correct, but I've mentioned this in general. I doubt that you would be able to open ports like 135, 137 or 445 on a home router for security reasons.

@Hiritomi Port-forwarding can work with non-predefined ports as well (like 4445 in your tests). Some ports like 445 can be closed/blocked at the ISP level though.

@Christoffer-Swe Is it possible that your ISP has changed your internat IP address. Sometimes ISPs are using CG-NAT in their networks for saving IPv4 address space. You can check that here: By the...

@Tads I don't believe that AX12 has a Bandwidth Limit per user feature - here's the guide for this feature. This feature has been implemented on a limited number of wireless router models so far:...

@minimax You can try the public beta FW from this thread and check if this issue has been fixed. Anyway a new FW release is forthcomming judging by this thread.