@David-TP Thank you for. My Deco firmware version is 15.5, and the Starlink is Gen 2. I haven't yet reverted the Starlink back to router but I can try that next depending on your reply. Just to...

My Starlink is providing 250Mbps, and is configured for pass through to my Deco X20, which is hard wired. The deco is showing speeds of 2 to 16 kbps, a huge fall off. I have the deco configured as a...