Hardware / Cabling

Ensure that the hardware works properly.

  1. Is the physical link established?

    # ethtool eth0
    Settings for eth0:
    [...]
       Link detected: yes
  2. Is the interface up?

    # ip link
    [...]
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
        link/ether aa:bb:cc:dd:ee:ff brd ff:ff:ff:ff:ff:ff
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