If driver version shows earlier than 2.16.0 (the Linux counterpart of Windows v21), compile from source:
Even with the correct driver, you may encounter issues. Here's how to fix them. jp1081b usb lan driver 21
Driver v21 is for getting reliable performance from a JP1081B adapter on Windows. Without it, the device is barely usable. However, the chipset itself is budget-tier; for critical applications (e.g., gaming, servers), consider an adapter with a Realtek RTL8153 or ASIX AX88179 chipset – they have mature, well-supported drivers. If driver version shows earlier than 2
