A week after an update to ESX 3.5 Update 2 and ESX1 3.5 prevented users from logging into their virtual machines, there is still come confusion with this virtualization software. What you need to know about Enhanced VMotion Capability
The virtual network begins where the physical network ends at the virtualization host. The network adapters in the physical host are bridged to the virtualization layer. What happens next depends on the virtualization host in use