Determining NIC speed & duplex mode

[Razvan Corneliu C.R. "d3vi1" VILT]

On Sun, 2004-04-04 at 13:22 -0400, lovswr1 wrote:

> Hello.  How do I determine the speed , (10/100) & the duplex setting of
> any given nic on Fedora RC1?  I have a SIS & two RealTek nic's, all
> 10/100. 
> 

Hope an example is enough:

[root at d3vi1 ~]# mii-tool
eth0: negotiated 100baseTx-FD, link ok
eth1: negotiated 100baseTx-FD, link ok