Linux 7 Configuring a USB Network Adapter
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Internal
Overview
A USB network adapter is usually detected automatically upon attachment. /var/log/messages is updated as follows:
Jan 4 22:01:58 now510 kernel: usb 1-2: new high-speed USB device number 2 using xhci_hcd Jan 4 22:01:58 now510 kernel: usb 1-2: New USB device found, idVendor=05ac, idProduct=1402 Jan 4 22:01:58 now510 kernel: usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jan 4 22:01:58 now510 kernel: usb 1-2: Product: Apple USB Ethernet Adapter Jan 4 22:01:58 now510 kernel: usb 1-2: Manufacturer: Apple Inc. Jan 4 22:01:58 now510 kernel: usb 1-2: SerialNumber: 282AE1 Jan 4 22:01:59 now510 kernel: asix 1-2:1.0 eth0: register 'asix' at usb-0000:0f:00.0-2, ASIX AX88772 USB 2.0 Ethernet, ac:7f:3e:e5:40:39 Jan 4 22:01:59 now510 kernel: usbcore: registered new interface driver asix Jan 4 22:01:59 now510 NetworkManager[842]: <warn> (eth0): failed to find device 4 'eth0' with udev Jan 4 22:01:59 now510 NetworkManager[842]: <info> (eth0): new Ethernet device (carrier: OFF, driver: 'asix', ifindex: 4) Jan 4 22:01:59 now510 NetworkManager[842]: <info> (eth0): interface index 4 renamed iface from 'eth0' to 'enp15s0u2' Jan 4 22:01:59 now510 NetworkManager[842]: <info> (enp15s0u2): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] Jan 4 22:01:59 now510 kernel: IPv6: ADDRCONF(NETDEV_UP): enp15s0u2: link is not ready Jan 4 22:01:59 now510 kernel: IPv6: ADDRCONF(NETDEV_UP): enp15s0u2: link is not ready Jan 4 22:01:59 now510 NetworkManager[842]: <info> (enp15s0u2): device state change: unavailable -> disconnected (reason 'none') [20 30 0] Jan 4 22:01:59 now510 kernel: IPv6: ADDRCONF(NETDEV_UP): enp15s0u2: link is not ready