iesIfParentIf 1.3.6.1.4.1.6527.3.1.2.4.2.5.1.13

The value of iesIfParentIf specifies the ifIndex of this interface's parent. This value can only be set at row creation time, and is only valid when iesIfType is 'group'. The interface pointed to by iesIfParentIf must be of type 'subscriber'.