Pi Zero WH, actually. It is connected to the data port. When I look at ipconfig, I don’t see eth0. The led on the switch for the port this is plugged in to does not light up.

Actually, I didn’t buy the one I thought I did. It might not be supported with this one…

https://www.amazon.com/Ethernet-adapter-Adapter-All-new-Chromecast/dp/B07G2CPZZ4