For those who may be following this thread, the Tp-Link engineers have informed me that they have identified the cause and found a solution for this issue. It will be fixed in a future firmware...

@alfredopacino The C80 support page is here where you will find the user and quick setup guides.

@criexe I'm sorry to hear the upgraded firmware did not fix your issue. Here I have 3 iPhones (2 iPhone8 and 1 iPhone5) and they haven't experienced any issues since last year. I realize that these...

@WookieMan I have a different model (AX55) and you need to use the Reset button. When inserting an object (such as a paper clip) in the reset hole on the back panel, you must ensure you hear the...

@cfinnberg Your topology is simply a double NAT situation, which is not uncommon. Connecting the PC to the internet should work fine without any static routes or changing the “Respond to Pings from...

@roelvdh Why do you need both addresses to be the same? Why not reserve two consecutive IP addresses in the DHCP server?