linux查看接口连接状态

ethtool

 

# ethtool em1

Settings for em1:

        Supported ports: [ TP ]

        Supported link modes:   10baseT/Half 10baseT/Full 

                                100baseT/Half 100baseT/Full 

                                1000baseT/Half 1000baseT/Full 

        Supports auto-negotiation: Yes

        Advertised link modes:  10baseT/Half 10baseT/Full 

                                100baseT/Half 100baseT/Full 

                                1000baseT/Half 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: No

        Link partner advertised auto-negotiation: Yes

        Speed: 1000Mb/s

        Duplex: Full

        Port: Twisted Pair

        PHYAD: 1

        Transceiver: internal

        Auto-negotiation: on

        MDI-X: off

        Supports Wake-on: g

        Wake-on: d

        Current message level: 0x000000ff (255)

        Link detected: yes

# ethtool em2

Settings for em2:

        Supported ports: [ TP ]

        Supported link modes:   10baseT/Half 10baseT/Full 

                                100baseT/Half 100baseT/Full 

                                1000baseT/Half 1000baseT/Full 

        Supports auto-negotiation: Yes

        Advertised link modes:  10baseT/Half 10baseT/Full 

                                100baseT/Half 100baseT/Full 

                                1000baseT/Half 1000baseT/Full 

        Advertised pause frame use: Symmetric

        Advertised auto-negotiation: Yes

        Speed: Unknown!

        Duplex: Unknown! (255)

        Port: Twisted Pair

        PHYAD: 2

        Transceiver: internal

        Auto-negotiation: on

        MDI-X: Unknown

        Supports Wake-on: g

        Wake-on: d

        Current message level: 0x000000ff (255)

        Link detected: no


 



network

 

# /etc/init.d/network status

Configured devices:

lo em1 em2 em3 em4 p3p1 p3p2

Currently active devices:

lo em1 port0 port1 vlan1 dummy1


 


 

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