Network Configuration
ethtool
Query and control of Ethernet device settings.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-10-07
Syntax
$ethtool [OPTIONEN] INTERFACE
Examples
$ethtool eth0
$ethtool -s eth0 speed 1000 duplex full
$ethtool -p eth0
Typical use cases
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Standard usage
ethtool --help
Note
For Ethernet interface configuration.
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