I installed Apple macOS 11 Drivers Installer(Beta) version 1.0.0d3 from ASIX site and followed their Readme instructions. The ethernet adaptor works fine. My system specs: Big Sur 11.2.3 (20D91) MacBook Pro (15-inch, 2018) CSL - HUB USB 3.0 incl. Gigabit Ethernet with AX88179