For a provisioned DprsMcsEpG, this attribute indicates the name of
the DprsMcsEpG that contains the dynamic Eps to the same
destination.
For a dynamic DprsMcsEpG, this attribute indicates the name of the
DprsMcsEpG that contains the provisioned Eps to the same
destination.
A null component name indicates that there is no DprsMcsEpG
associated with this group.