@Benji409 Show me your Deco X10 network type and which DNS are you using ?? And are you using DNS server in DHCP Server or not ?

@topley I think you should place the Deco 2 in the dining room because Deco 3 will get better signals from Deco 2 if you choose to get signals from Deco 2 to Deco 3 by using Connection Preference...

@Benji409 MTU means Maximum Transmission Unit which is used for internet connectivity 🤗 Are you facing network issues on your TP-LINK EX220 router ??

@topley Yeah go for it and you can connect them by using Connection Preference feature from Deco 1 to 2 and 2 to 3

@Benji409 You can connect your Deco X10 to your TP-LINK EX220 router by using a LAN cable on Router Mode and use Dynamic IP Mode and don't use on AP Mode and use the Google DNS 8.8.8.8 & 8.8.4.4 on...

@Marvin_S Yeah i checked but i don't want to give them remote access. Kindly fix it by providing beta firmware.