网卡对于咱们来讲至关于屡见不鲜，本身买的还好，人家会告诉你是什么型号，工做环境调动，又没有人告诉你网卡信息这就须要本身辨识了，究竟怎样查看网卡是百兆仍是千兆呢？经过如下几步就能够啦:（如下是我用电鱼的SALI-IMX6Q为例操做的）ui
使用ethtool命令spa
ethtool是Linux下用于查询及设置网卡参数的命令io
输入指令以下所示：sed
root@imx6qdlsolo:~# ethtool eth0自适应
Settings for eth0:im
Supported ports: [ TP MII ]统计
Supported link modes: 10baseT/Half 10baseT/Full查询
100baseT/Half 100baseT/Full注释
1000baseT/Full译文
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: Symmetric
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 1
Transceiver: external
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Link detected: yes
root@imx6qdlsolo:~#
详细参数参考：（//后面是注释，是原文的译文）
ethtool ethX /
ethtool –h //显示ethtool的命令帮助(help)
ethtool –i ethX //查询ethX网口的相关信息
ethtool –d ethX //查询ethX网口注册性信息
ethtool –r ethX //重置ethX网口到自适应模式
ethtool –S ethX //查询ethX网口收发包统计
ethtool –s ethX [speed 10|100|1000]\ //设置网口速率10/100/1000M
[duplex half|full]\ //设置网口半/全双工
[autoneg on|off]\ //设置网口是否自协商
[port tp|aui|bnc|mii]\ //设置网口类型
若是对你有帮助的话，就推一下博主吧！