@cantping Theoretically, the ICMP Flood filtering settings won't affect the ping service. You can disable DOS protection to rule out it. Meanwhile, did you ping the WAN IP of the VR400 or the LAN IP...

@tufftone Once the TL-WA901ND connected to the main router, the IP will change, not 192.168.0.254 anymore, instead, it is assigned by the main router. You can login to the web UI of the main router...

@Gofigure Glad to hear that it works better now. FYI, the coverage area of the access point is about 10-15 meters, so the long distance may cause the performance issue, like slow speed or unstable...

@Bagusa4 Okay, have noted this request. If need more help, just let us know.

@Tyroul Thanks for your reply; we did a test at our end, we can connect to the kasa camera and the KC110 can connect to the router successfully. You can try to change another smart phone or reinstall...

@otilumn Thanks for your explanation. Have you ever tried to change another socket to plug this Deco P7 or change another ethernet port on the switch to connect the main Deco P7? Try to swap their...