Check your MACs and make sure you're plugging in the correct interface.
You can log into the machine after a restart using the root account and password "endian".
You can use ethtool and ifconfig to check that everything is properly configured.
Check out my thread, titled almost exactly the same:
http://efwsupport.com/index.php?topic=378.0It also explains briefly how to re-order the interfaces as with my machine they were completely out of order.
In that thread the one I thought would be green actually wasn't what endian thought was green.