Ubuntu16.04.2 network not work Posted on 2017-05-02 Create a new template12345678910右上角网络连接>>编辑连接>>增加>>以太网 >> 1) 填写连接名称:ethernet 2) 选择设备802.1X安全性 >> 1) 勾选对此连接使用802.1X安全配置 2) 认证选择受保护的EAP(PEAP) 3) 勾选不需要CA证书(R) 4) 内部认证>>MSCHAPv2 5) 输入帐号和密码IPv4 >> 勾选需要IPv4地址完成这个连接 setting sudo cat /etc/NetworkManager/system-connections/ethernet 1234567891011121314151617181920212223242526272829303132[connection]id=ethernetuuid=9e123fbc-0123-46e3-97b5-f3214e123456type=ethernetinterface-name=eno1permissions=secondaries=[ethernet]duplex=fullmac-address=0A:12:3C:DA:C1:A5mac-address-blacklist=[802-1x]altsubject-matches=eap=peap;identity=username # replace you login usernamepassword=password # replace you login passwordphase2-altsubject-matches=phase2-auth=mschapv2system-ca-certs=true[ipv4]dns-search=may-fail=falsemethod=auto[ipv6]addr-gen-mode=stable=privacydns-search=ip6-privacy=0method=auto