This is the workstation forum so you may not get many answers for ESXi related questions. I posted this in your other thread so maybe it will help.
If you click on the virtual switch and click properties you can adjust the settings for the NIC. You can also use putty and the command esxcfg-nics -l
to see what the NICS are connected at.
Do you have latest version of VMtools installed inside of the guest
If you found this or any other post helpful please consider the use of the Helpful/Correct buttons to award points