The ethtool is a utility for displaying and configuring Ethernet card driver and hardware settings. Changes made using ethtool are runtime changes and not persistence changes.

Following are the examples to illustrate the usage of ethtool command:

• Display the Ethernet interface's current settings using ethtool command as shown here:

$ ethtool enp0s3

• Display the Ethernet interface driver settings using ethtool command as shown here:

$ ethtool -i enp0s3

• Modifying the Ethernet interface settings using ethtool command as shown h:

$ ethtool --change enp0s3 speed 10 duplex half autoneg off

• Blink the Ethernet interface port light for 10 seconds for identification using ethtool command as shown here:

$ ethtool --identify enp0s3 10