@PBGBBB2020 Go through this thread to find answers on your questions.

@rebelbah If you set up all of your routers with the same TP-Link ID then you can access them through your Tether app. You can also access them via a web browser with the same TP-Link ID if you've...

@drag_ArcherC6 You can use 'Monitor the Internet Traffic Statistics' feature - Chapter 14.12 from the C6 user guide.

@shohnytmt Check this post for this behaviour explanation. You can set the time manually, but you have to do that after each A6 restart.

@rebelbah Here's a guide for configuring the remote management of your AX21 via web browser.

@iAmSaugata Yes, it seems that this should be attended by TP-Link as the way it goes.