[root@dns1 ~]# mii-tool
SIOCGMIIPHY on 'eth0' failed: Operation not supported
No MII transceiver present!.
eth2: no link
Hmm this is what I get on mine...
[root@fun ~]# mii-tool
eth0: negotiated 100baseTx-FD, link ok
eth1: negotiated 100baseTx-FD, link ok
[root@fun ~]#
Try command below...
[root@fun ~]# mii-tool -v eth0
eth0: negotiated 100baseTx-FD, link ok
product info: vendor 00:aa:00, model 56 rev 0
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
[root@fun ~]#