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  • ethtool工具使用

    ethtool -p DEVNAME   查看相应设备名称对应的设备位置

    使用方法如下:
    ethtool -p eth0

    回车后与eth0 相对应的网卡接口旁边的指示灯就会闪烁,这样你就能很快确定eth0 网口的位置啦。(按下Ctrl+C 结束命令,停止闪烁)

    查看linux下网卡状态是否连接

    [root@x101 ~]# ethtool eth1
    Settings for eth1:
    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: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: internal
    Auto-negotiation: on
    MDI-X: Unknown (auto)
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
    drv probe link
    Link detected: no

    [root@x101 ~]# ip a
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
    valid_lft forever preferred_lft forever
    2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000
    link/ether 00:0c:29:bc:12:d3 brd ff:ff:ff:ff:ff:ff
    3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
    link/ether 00:0c:29:bc:12:dd brd ff:ff:ff:ff:ff:ff
    4: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
    link/ether 00:0c:29:bc:12:d3 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.108/24 brd 192.168.0.255 scope global bond0
    valid_lft forever preferred_lft forever
    inet 192.168.0.110/24 scope global secondary bond0
    valid_lft forever preferred_lft forever
    inet 192.168.0.112/24 scope global secondary bond0:1
    valid_lft forever preferred_lft forever
    inet6 fe80::9de8:66ee:bba5:8f9a/64 scope link
    valid_lft forever preferred_lft forever

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  • 原文地址:https://www.cnblogs.com/xiaofeng666/p/13604796.html
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