ethtool

Ethtool is a command-line tool used in Linux-based operating systems to query and control network interface settings. It allows users to gather information about their network interfaces and make adjustments to optimize performance.

1. Ethtool provides detailed information about the network interface, including its speed, duplex mode, link status, and driver details.
2. It can display statistics such as packet errors, collision counts, and link quality for troubleshooting network issues.
3. The command "ethtool -i " shows detailed driver information.
4. Users can use ethtool to set the speed, duplex mode, auto-negotiation, and wake-on-LAN (WoL) settings of the network interface.
5. The "ethtool -s " command is used to set specific parameters.
6. It supports various interface types, including Ethernet, Fast Ethernet, Gigabit Ethernet, and 10 Gigabit Ethernet.
7. Network bonding and teaming can also be managed using ethtool.
8. Ethtool can be used to enable or disable certain features like hardware offloading.
9. It offers advanced features like changing the ring buffer sizes of the network interface to optimize packet handling.
10. Ethtool is a powerful tool for network administrators, enabling them to efficiently monitor and control network interfaces and troubleshoot network connectivity problems.