鹰潭做网站的公司/seo优化网站网页教学

方法一：  网络适配器设备状态“已连接”的对勾已经勾上，说明网线已连接

 方法二： 虚拟机右下角，右键单击网络适配器，显示“断开连接”，说明网线已连接

方法三：输入命令mii-tool 网卡名，显示link ok，或输入命令ethtool 网卡名，显示Link detected: yes，说明网线已连接

[root@centos7 ~]#mii-tool eth0
eth0: negotiated 1000baseT-FD flow-control, link ok
[root@centos7 ~]#ethtool eth0
Settings for eth0:Supported ports: [ TP ]Supported link modes:   10baseT/Half 10baseT/Full100baseT/Half 100baseT/Full1000baseT/FullSupported pause frame use: NoSupports auto-negotiation: YesSupported FEC modes: Not reportedAdvertised link modes:  10baseT/Half 10baseT/Full100baseT/Half 100baseT/Full1000baseT/FullAdvertised pause frame use: NoAdvertised auto-negotiation: YesAdvertised FEC modes: Not reportedSpeed: 1000Mb/sDuplex: FullPort: Twisted PairPHYAD: 0Transceiver: internalAuto-negotiation: onMDI-X: off (auto)Supports Wake-on: dWake-on: dCurrent message level: 0x00000007 (7)drv probe linkLink detected: yes
[root@centos7 ~]#