ethtool命令介绍

  1、ethtool:query or control network driver and hardware settings

  1)简介:ethtool用于查询和控制网络设备驱动和硬件(特别是有线的以太网设备)的设置。

  2)选项:-i:查询指定设备的驱动信息;-S:查询指定设备的统计信息(rx_packets、rx_bytes等);-s:允许修改指定设备的设置,如ethtool -s eth0 speed 1000将速度设置为1000Mb/s;advertise N:指定通过自动协商机制通告的速度和双工方式。N为十六进制值,如0x008表示100Mb/s+全双工、0x020表示1000Mb/s+全双工。只指定设备时,打印其当前设置:

[root@localhost ~]# ethtool ens33
Settings for ens33:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: off (auto)
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes

 

 

 

不断学习中。。。

posted on 2016-04-13 00:13  han'er  阅读(2932)  评论(0编辑  收藏  举报

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