@Daniel090465 Check this thread describing similar symptoms and if your HW version is v1 then upgrade the device FW with the appropriate file attached. How to determine the HW version - look at the...

@SebasNL Any device that supports IGD (Internet Gateway Device) protocol can do that like Home Assistant already does - https://www.home-assistant.io/integrations/upnp/

@Jontia TL-SF1005D is plain unmanaged switch and it just need to be connected to one of the two Deco's ethernet ports. Then you'll have more ethernet ports available. Check this thread for more...

@S.a.m.m.o You may try the Access Control feature to configure this. Use this story and see if that wil work in your case.

@JohnGhost The problem you're describing has nothing to do with your log records. The issues with 2.4 GHz band may be due to a strong wireless interference around you. You can use this guide to...

@JohnGhost You got nothing to worry about. All these log messages are normal when you're using the modem/router in AP mode - Case 2. Most of them are because you're not connecting TD-W8980 LAN4/WAN...