@Yugnat It's the "smart dhcp" issue if you're using the bridge mode. Many people reported that and are annoyed as same as you. TP-link said that it'll be improved in the future release but we've not...

@TP-Link_Deco Many wises told you the same thing, but a LAN router in any mode must not make LAN hijacking behavior such as starting a DHCP server on its own and leasing an invalid address if no DHCP...