$ 0 0 As mentioned, you will be assigning the VLANs on VM portgroups, have a look at the below url as well: http://pubs.vmware.com/vsphere-4-esxi-installable-vcenter/index.jsp?topic=/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_config/networking/t_add_a_virtual_machine_port_group.html