How to add ethtool duplex settings to a network card

Changing your Network Interface Speed, Duplex or Auto Negotiate settings on Red Hat Linux, Fedora and Centos. To set the interface speed, duplex or auto negotiation on Linux system boot up (make settings permanent), you need edit /etc/sysconfig/network-scripts/ifcfg-eth0 file for eth0 interface. This file used by Red Hat enterprise Linux, […]