Tuning your Ethernet card
In some instances you may need to disable or change certain features on your Ethernet controller for better performance.
From the console
Press CTRL-ALT-T
Select Modify Driver Option
Select the Ethernet card you want to modify
Please refer to your Ethernet controller manual for the changes needed
The following link is for Intel NIC cards
http://www.intel.com/support/network/sb/cs-009209.htm
Select the changes that you want to modify and use the manual for the changes needed.
Example:
To set auto-negotiate to FULL we would change
AutoNeg = 0x020