@tekniking Is the connection you described like the below diagram? If you have opened all ports for the personal server on the AX73, and you get the public IP address on the AX73, then you should be...

@Imee1976 I want to confirm again, is the wireless on the AX20 also not stable? How about the internet LED on the AX20 when the internet drops, will it change to orange/red? This is very important...

@Retroactive Can you post a screenshot of the wireless settings on your router? You may mask the SSID and password for any security concerns.

@Rodolphe If that is the case, please monitor if you can login to the router after the reset. BTW, to enjoy TP-Link’s DDNS service, you have to log in with a TP-Link ID, so that's why it display as...

@Rodolphe Thanks very much for reaching out, and great steps so far. It's great to know reset the router and reconfigure it resolves the issue you are reporting. I'm going to mark your reply as the...

SatyajitMishra wrote @SatyajitMishra Okay. BTW under the DHCP Server option of my C80; the IP Address Pool is between 192.168.0.100 to 192.168.0.249. That means the maximum number of clients is...