@Breizh_Zion What is the current network diagram? There would be no internet access anymore if you unplug the main Deco from the modem, while the local devices should be able to access each other....

@timp78 Hello, we have added the pictures. Besides, you can read the note-- not all Deco products have this toggle to turn mesh on/off. For those which you cannot find this option, it is enabled by...

Hi all, You can read article below to get more information about fast roaming. https://community.tp-link.com/en/home/forum/topic/180194?page=1 Best regards.

You may find some issues on Wi-Fi roaming when using a Deco system. Some of your wireless clients may fail to connect to the Deco Wi-Fi when the Fast Roaming feature is turned on. Some wireless...

You may find some issues on Wi-Fi roaming when using a Deco system. Some of your wireless clients may fail to connect to the Deco Wi-Fi when the Fast Roaming feature is turned on. Some wireless...

@Breizh_Zion Thanks for your requesting. For your information, the Deco M9 plus V2 does not support web UI yet, that is why you cannot access it. There is not many functions available on the web UI...