VMware: Install Intel ET 82575 and 82576 drivers on ESX 4 vSphere

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Update: Drivers are included in vSphere 4.1.

Download the ISO with drivers from HERE.

Burn to a CD and insert in the drive. Logon to the console as root and mount:
mount /dev/cdrom /mnt
Browse to /mnt and find the file “INT-intel-lad-ddk-igb-”

Install the driver:
esxupdate --bundle=INT-intel-lad-ddk-igb- update