Auto-negotiation
You can review your auto-negotiation settings.
About this task
See Auto-negotiation for a general discussion on network negotiations.
For Linux®, you can check the link speed and duplex by issuing the following command. The "FD" in the following output denotes full-duplex:
$ mii-tool
eth0: negotiated 100baseTx-FD flow-control, link ok
eth1: no link