Show ethernet interface information interfaces ethernet Show physical device information for specified ethernet interface /sbin/ethtool "$4"; /sbin/ethtool -i "$4" Show physical device offloading capabilities /sbin/ethtool -k "$4" Show physical device statistics for specified ethernet interface /sbin/ethtool -S "$4" Show transceiver information from modules (e.g SFP+, QSFP) /sbin/ethtool -m "$4"