@Infryndiira Sorry, can't give you solution when it is an unmanaged switch. Your case might be similar to this one, but it also does not have solution. For testing purposes exclude switch from your...

@Antares173 I frequent this forum and noticed elevated number of complains for XE75 specifically. It might be that XE75 is an unlucky Deco model. I would recommend different Deco model: Deco X90 or...

@cleim33 It does make sense. Also, while adding X50 to your mesh, Deco app may recommend making X50 new Main Deco. If not, the process of promoting new Deco unit to Main Deco described here:...

@Infryndiira You didn't give TP-Link switch model, and that is important info. If this is managed switch, check the following TP-Link FAQ article and see if it applies to your case: How to extend...

@acerfly 1. The idea is to use DECO X50 or X55 or X60. Choose between X50 and X55. On top of more features in their firmware, they come with 3 Ethernet ports. X60 has 2 Ethernet ports. You may find...

@acerfly This should work, without any issues. After you configured Deco mesh according to its "Quick Start" manual, I would recommend switching it to run in Access Point mode: Switching a Deco to...