Dear David Yes, it works and the system works as I intended. Really appreciate for your help. Richard

Dear David OK, let me try to set the Deco X60 into Access Point Mode. Thanks for the advice. Richard

My ISP comes with a Home Gateway along with their Broadband service, it is a Wifi Router with security protection. My Deco is set behind as a DMZ zone behind of this ISP Router with a 192.168.xxx.xxx...