@terziyski Thanks for the suggestions. As I said, I distinctly recall that there was a point in time I could not access the Archer Admin Page from devices connected to the secondary router's WiFi....

@terziyski Thanks for the answer, but this doesn't match my screen. I only have "Basic Security" and "Advanced Security" under "Security", no "Local Management". Edit: I actually found the setting in...

I have a home network setup as follows: The Archer C50 is my primary router, so to speak: It connects to the internet line provided by my ISP, and besides its WiFi network, it also connects to two...