I have found the issue, and it is easily solvable. When detecting the Honeywell T6, Fast Roaming has to be disabled. This can be done through the Deco app. I was thinking about deleting this post,...

I am trying to connect our Honneywell T6 thermostat to the main WIFI network provided by a star system of Deco M9 plus routers. I follow the steps as specified by the Resideo app. My smartphone sees...

@Cappuccino The main Deco M9 Unit is connected directly to the Fiber NT and this works perfectly. To get the VLAN 10-tagging, I have enabled the IPTV/VLAN with Internet VLAN-ID set to 10. As I...

I can, as of this week, confirm that VLAN 10-tagging works almost out of the box with the Deco M9 Plus. The master unit is directly connected to the Fiber NT. I am using a TP-Link TL-105 though to...

@wvanommen Thank you! I have red the user manual of the TP-Link TL-105E. If the VLAN 10-tagging with the Deco does not work, I will use the managed switch to provide the VLAN 10-tagging. I am going...

Hello! Having the Deco M9 Plus, I am planning to go with an ISP plan with a fiber offer. As I understood, I will not be needing an extra modem. A router will be sufficient to connect to the Fiber NT....