查看双工和速度 [root@localhost ~]# mii-tool eth0 eth0: negotiated 100baseTx-FD, link ok [root@localhost ~]# mii-tool -v eth0 eth0: negotiated 100baseTx-FD, link ok product info: vendor 00:07:32, model 17 rev 5 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD [root@centos8 ~]#ethtool -i eth0 driver: vmxnet3 version: 1.4.16.0-k-NAPI firmware-version: