@blueatlantic Hello, what kind of service are you trying to access from outside? Have you checked the firewall setting on that device as mentioned earlier?

@rahulbasu Hello, can you confirm again if both MacBook are connected to the same 5GHz network? Is it possible to connect them to the A9 with Ethernet cables to confirm if they can communicate or...

@rahulbasu Will check it now.

@Woody Hello, thank you so much for providing all of this info and details. We would like to escalate your case to our engineers, and they will help follow it up, if you are willing to do further...

@Koerthe Thank you so much for your tests and cooperation, this will be forwarded to the engineer, who will be able to help you better. If you are willing to do further analysis, please check your...

@Bamboozled Hello, sorry to respond late. May I know the model number of the two router, are they both TP-Link ones? Is the Archer C50 the second one or the main one? If the Archer C50 is the second...