This object controls the Enhanced Zoning flag that
indicates the Merge Control Setting for this VSAN.
It is meaningful only in Enhanced mode:
'none' - This value is meaningless and only can be
used in Basic mode.
'allow' - A switch may join the Fabric only if
its Zoning Database is able to merge
with the Fabric's Zoning Database.
'restrict' - A switch may join the Fabric only if
its Zoning Database is equal to the
Fabric's Zoning Database.