# mii-tool eth1
eth1: no autonegotiation, 100baseTx-FD, link ok

# mii-tool -vv eth1
eth1: no autonegotiation, 100baseTx-FD, link ok
  registers for MII PHY 0:
    1340 796d 0141 0c24 0de1 01e0 0000 0000
    0000 1e00 3c00 0000 0000 0000 0000 0000
    0868 bc08 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000
  product info: vendor 00:50:43, model 2 rev 4
  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 flow-control
  link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
#

Linux Commands#network