Yes, that's correct. Just ensure that 192.168.0.192 is not in the DHCP range of the main router and try to use the Internet port (not a LAN port) of the Archer C6 to connect to the main router LAN...

@Searinox I get your frustration with the new GUI changes, many people are not happy with those, but we hope that tp-link will address all of them. For example I have similar concern but with the IP...

So that message "No Internet connection" error is the reason for the exclamation mark indeed. If you could have reached the tp-link server from the router itself it should not have appeared....

@Searinox Check this thread.

@loll80 It probably means that the C6 device does not have an access to the internet.Try to go to System Tools, Firmware Upgrade and then press Check for upgrade to see if that's the case. If that's...

@Sathish_in Try this link for v1.2.1 or this link for v1.0.1.