How Do I Change Ethernet Speed in Linux?

How do I check my Ethernet speed Linux?

Linux LAN card: Find out full duplex / half speed or mode

1. Task: Find full or half duplex speed. You can use dmesg command to find out your duplex mode: # dmesg | grep -i duplex. …
2. ethtool command. Uss ethtool to display or change ethernet card settings. …
3. mii-tool command. You can also use mii-tool to find out your duplex mode.

How do I change Ethernet speed in Ubuntu?

How to change Ethernet network card speed and duplex settings in ubuntu

1. Install ethtool in ubuntu. sudo apt-get install ethtool. …
2. ethtool Syntax. sudo ethtool -s eth0 speed [SPEED] duplex [DUPLEX]
3. Example 1. This example will show you how to setup your ethernet network card speed 100 and full duplex. …
4. Example 2.