USB3.0 to ethernet for ubuntu

http://askubuntu.com/questions/312847/how-to-install-or-troubleshoot-a-usb-3-0-ax88179-gigabit-ethernet-adapter

結果才快一倍 ：（勉強用了！）花了970塊呢！
------------------------------------------------------------
Client connecting to 10.61.13.66, TCP port 5001
TCP window size: 22.9 KByte (default)
------------------------------------------------------------
[  3] local 10.61.13.64 port 51618 connected with 10.61.13.66 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec   323 MBytes   271 Mbits/sec

＋改變一下window size

http://blog.xuite.net/jackie.xie/bluelove/28052046