ethtool命令使用

[root@localhost ~]# ethtool -s eth0 speed 100 duplex full #设置网口的speed和duplex

# ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Speed: 10Mb/s
Duplex: Half
Port: MII
PHYAD: 3
Transceiver: external
Auto-negotiation: on
Supports Wake-on: p
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: no