Is there any bond two TP-Link Kasa devices? For example if I want a smart plug to be controlled by a smart switch there is no way to manage that in the app? I would have to use something like IFTTT?

After I upgraded my Archer C9 V1 to the latest firmware version, it only replies to pings. I can't bring up the web interface. It still does hand out DHCP addresses though. I can't see any Wifi SSID e