When the ISP was down, my wireless laptop couldn't connect to local cabled systems. Maybe the DHCP service didn't work? I don't know the root cause why I couldn't connect to the local network. Can you

Experience with WiFi connected phones and tablets on Main WiFi SSID 20-70% Packet loss loading internet web pages 20-70% Packet loss pinging the WAN IP from any WiFi client connected to the Main WiFi