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ethtool

Display and modify Network Interface Controller (NIC) parameters. More information: http://man7.org/linux/man-pages/man8/ethtool.8.html.

  • Display the current settings for an interface:

ethtool {{eth0}}

  • Display the driver information for an interface:

ethtool --driver {{eth0}}

  • Display the network usage statistics for an interface:

ethtool --statistics {{eth0}}

  • Blink one or more LEDs on an interface for 10 seconds:

ethtool --identify {{eth0}} {{10}}

  • Set the link speed, duplex mode, and parameter autonegotiation for a given interface:

ethtool -s {{eth0}} speed {{10|100|1000}} duplex {{half|full}} autoneg {{on|off}}