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Thread: eth0 port speed 100Mbps, duplex half ; how to change it to full?

  1. #1
    Join Date
    Sep 2009
    Beans
    23

    eth0 port speed 100Mbps, duplex half ; how to change it to full?

    Hi,

    eth0 port speed 100Mbps, duplex half ; how to change it to full? I followed directions shown in following link but still no luck:

    http://www.ubuntugeek.com/how-to-cha...in-ubuntu.html

  2. #2
    Join Date
    Feb 2011
    Location
    Coquitlam, B.C. Canada
    Beans
    2,324
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: eth0 port speed 100Mbps, duplex half ; how to change it to full?

    Is full duplex one of the options for that network interface? Example:
    Code:
    doug@test-smy:~$ sudo ethtool eth0
    Settings for eth0:
            Supported ports: [ TP MII ]
            Supported link modes:   10baseT/Half 10baseT/Full
                                    100baseT/Half 100baseT/Full
            Supported pause frame use: No
            Supports auto-negotiation: Yes
            Advertised link modes:  10baseT/Half 10baseT/Full
                                    100baseT/Half 100baseT/Full
            Advertised pause frame use: No
            Advertised auto-negotiation: Yes
            Link partner advertised link modes:  10baseT/Half 10baseT/Full
                                                 100baseT/Half 100baseT/Full
            Link partner advertised pause frame use: Symmetric
            Link partner advertised auto-negotiation: Yes
            Speed: 100Mb/s
            Duplex: Full
            Port: MII
            PHYAD: 32
            Transceiver: internal
            Auto-negotiation: on
            Supports Wake-on: pumbg
            Wake-on: d
            Current message level: 0x00000007 (7)
                                   drv probe link
            Link detected: yes
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

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