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mii-tool command

How To Find Out My NIC Speed ?

by lifeLinux on November 6, 2011

Q. How do I find out my NIC speed in Linux ? A. Use ethtool or mii-tool to display or change ethernet card settings. ethtool To display duplex speed of eth0, type the following command # ethtool eth0


Determine the autonegotiated ethernet connection speed and duplex using the mii-tool command. Running the following command as superuser with no options will generate basic information about all of the ethernet interfaces on the computer: [root@server2 ~]# mii-tool