The Virtual router name for Dynamic VLAN creation.
VR-Mgmt cannot be specified and specified VR Name
should be existing. By default VR-Default will be
used. This object display non-null string only when
extremeVMMappingVLANTag has non zero value. If this object
is going to be configured after extremeVMMappingVLANTag
has been configured for non zero value then this SET
might be rejected if any of detected VM clients uses
this mapping and these mapping VR Name alone changes.
Even though this object is specifically set to null string
still this object display VR-Default if
extremeVMVPPVLANTag has non zero value