Adding a Port Group and Setting the VLAN tag from the Service Console in ESX
Use the following:
esxcfg-vswitch -A "Port Group Name" vSwitch2 && esxcfg-vswitch -v N -p "Port Group Name" vSwitch2
Where N is the VLAN tag.
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Use the following:
esxcfg-vswitch -A "Port Group Name" vSwitch2 && esxcfg-vswitch -v N -p "Port Group Name" vSwitch2
Where N is the VLAN tag.