@MortalChief3 Probably not relevant at this stage, but for your info: Those two setups are not valid in router mode: using the AC1200/Archer C54 as the one receiving from the ER605, then it connects...

@MortalChief3 It is strange that the main Deco stops its wifi signal. Is it really the case? You should be able to connect the phone to the main Deco, via wifi, and the app should provide you some...

@MortalChief3 You wrote that the second Deco was connected to the switch connected to the first Deco (Main deco -> Switch -> 2nd Deco). Now you write that the Deco are connected by wifi. What is it?...

@Blueshadow This is not related to Deco, right? If the TP extender accepts using the same SSID/password to connect to its source and for the wifi network it broadcasts, you can certainly do that....

@MortalChief3 I believe what you describe (a swtich per deco) will work. I am surprised about "wifi keeps disappearing".

@Wi-Fi-25 If the security level is an issue for some devices, you could as well activate the guest of IOT network on the Deco, and configure a reduced security on that network. That allows keeping...