After study: 1.100m - "10M Method # mii-Tool --adise = 10Baset-fd Eth0 2.10m -> 100m # mii-Tool - ADVERTITISE = 100Basetx-fd eth0 3. Check if it is successful # mii-Tool -l etho 100BaseTX-FD Link OK 4. Look at your network card indicator.