@yves_b - the solution @ryan suggested above worked for me. I dont think i would be able to use the AP mode in this set up since new hardware is only a modem, no router included.

@Ryan Thank you - this resolved the issue, now able to use without MAC Clone setting.

I had originally setup Deco M9 Plus to work with my Xfinity supplied modem/router using bridge mode and then through forums/google had found that custom MAC clone was a solution to get the Deco M9 to...