@Onywere_Ext Hi，are you using a DSL modem or Cable modem? If it doesn't work with a DSL modem, please follow this video for troubleshooting If it doesn't work with a Cable modem, please follow this...

@Mateocoello Hi, what is the model no. and hardware version of your TP-Link device? And which password do you mean? Please share with us the screenshots.

@JulFR020 You are welcome, and please let the Community know if the issue can be located or solved.

@Jay656 Hi, there is a newer firmware now for Archer C5400X: Archer C5400X(EU)_V1_1.1.5 Build 20230906, could you please try installing the new firmware and test if the issue still exists? Firmware...

@Joules1 Hi, DDNS will bind your public IP address to a fixed domain name, but it will not be able to solve the double NATs issue.

@PeterBee Hi, one correction for @Dooooo 's reply. Actually not all TP-Link EasyMesh routers support Ethernet Backhaul, for example, Archer AX55 supports EasyMesh but doesn't support Ethernet...