@Adam4400 What is the operation mode of the Deco mesh: router or access point?

@ligor If the unnamed box acts as a router, the Deco mesh should run with an operation mode = Access Point. Otherwise, you should change the way the Deco are wired together. The operation mode...

@Louis12356 You cannot disable a band for usage by the backhaul between Deco. What is the issue, why do you want to prevent usage of that band by the Deco backhaul?

@ligor Do you run your Deco mesh in Router or AP mode? I suggest testing by directly connecting the 2nd floor Moca unit to the main Deco, to verify that the transit via unnamed router does not cause...

@PXAbstraction Do you know if this ISP provided Deco runs the regular firmware from TPLink?

@Andymosi You cannot block all devices which have "random MAC turned on" because the Deco does not allow blocking a range of MAC addresses. Some models of Deco allow declaring a white list of...