This section describes how to select at least one of the four local transceiver capabilities and set the mode to auto-negotiation.
Select at least one of the five capabilities (adv_100fdx_cap, adv_100hdx_cap, adv_10fdx_cap, adv_10hdx_cap) that you want to advertise to the remote system, and set its value to 1.
Set the local transceiver capabilities advertised by the hardware to 1, the auto-negotiation setting: adv_autoneg_cap 1
Use the ndd utility as described in "To Use the ndd Utility in Interactive Mode".