So, I forgot to mention that if I plug directly into the Client CPE210 (at the point it plugs into the router), I get full speeds. Also, the cable length max is 200ft Cat6. From the router to my pc...

So this morning I had it working. It was correctly labeled as 100mbps Full Duplex. Speeds where fine for a couple of hours and now it has switch back the 10mbps. I've tried a couple of cables as well.

It's a bit of a setup here. We have Starlink>CPE210 AP>CPE210 Client>AX1800 Router The router only recognizes the Client 210 as 10 Mbps. If I plug directly into the Client 210, I get full speed....