You can now proceed to attach devices to your WSL distribution normally using usbipd attach --busid --wsl . If you are still experiencing issues, let me know: Which you currently have installed.
"Port": 3241
That is a different issue. It means either no USB devices are connected, or they are not compatible (e.g., not using WinUSB/libusb). Bind them with usbipd bind --busid . You can now proceed to attach devices to