I am trying to connect to the internet with Debian Sid and kernel 4.16-rc4 on my Wii U. It recognizes the USB 2.0 device when I plug it in, but when I connect the ethernet cable to the device, it does not detect a network connection. I am using an ASIX AX88772B USB 2.0 device.

ip a

shows the device as a network connection, but the address never changes when I plug the ethernet cable in. I've tested the ethernet cable and it works fine.

I have the same issue on my Ubuntu Kylin Desktop, but the adapter works fine in Win 7.

In addition, I have no desktop interface at the moment and I have to manually transfer via usb any debs I need to install due to no internet. Just a little bit irritating :D

EDIT here is the output of ip a:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit brd
5: enx0050b6244c6e: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:50:b6:24:4c:6e brd ff:ff:ff:ff:ff:ff
    inet brd scope global enx0050b6244c6e
       valid_lft forever preferred_lft forever
    inet6 fe80::250:b6ff:fe24:4c6e/64 scope link 
       valid_lft forever preferred_lft forever

This is after running dhclient -v

  • 2
    What does ip addr actually show? Without the details, it's very difficult to guess at what you're seeing. As well, does dmesg show anything?
    – ErikF
    May 11, 2018 at 0:15
  • I remember vaguely trying a cheap adapter with the same chipset, and it was not particularly well supported. May 11, 2018 at 2:19
  • If you are stuck on USB ethernet, try a Linksys product. They are well supported by Linux drivers, except probably for LEDs.
    – ajeh
    May 11, 2018 at 15:46
  • @ErikF I added the output of ip a, there is nothing going on in dmesg. everything is normal there
    – Qiangong2
    May 11, 2018 at 23:27
  • do you see an asix entry in the output of lsmod? if not, have you trying modprobe asix to see if that loads the module and generates the devices? Aug 26, 2021 at 13:08

1 Answer 1


Try running dhclient manually to request an address:

dhclient -v yourinterface

If you're not running a DHCP server in your network then you might just add a static address manually:

ip addr add dev yourinterface

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