@Ivaylo Just one more thing. Isn't it strange that I can't "see" the C6 from the C80? It does not appear in the network map nor the DHCP Client List. And I have 2 iPhones connected wirelessly to the...

@Ivaylo No, not with a cable, because the routers (C6 and C80) are in different floors of my house. I don't know how to explain. Anyway, I plugged a cable from a TP-Link RE200 repeater to C6 WAN and...

@Ivaylo Would it solve the problem if I setup the internet to the main router?

@RFP

@Ivaylo It gets stranger. Regain control of C6. I can now access via web browser both C80 and C6. However, trying to setup the time settings to my time zone, the router cannot retrieve the correct...

@Ivaylo I will now reset the C6. Be back in a few minutes.