@ah1stb I finally got my network stable. See if this works for you. Set up your main DECO and WAN and leave it as wireless BEFORE you add any LAN nodes. Add your LAN back slowly until your whole LAN...

@TP-Link 2 days I've spent on this, switching out cables, switches, deleting and recreating networks. I can plug my pc into port 2 directly and get internet access. Once I plug the switch in,...