This variable can be used to define the operational
state of the Multi-Point MAC Control sublayer as
defined in [802.3ah] clause 64. Selecting admin for an
interface with Multi-Point MAC Control sublayer. When
the attribute is True the the interface will act as if
Multi-point control protocol is enabled. When the
attribute is False the interface will act as if it does
not have the Multi-point control protocol. The
operational state can be changed using the
h3cDot3MpcpAdminState attribute.
This attribute is relevant for an OLT and an ONU.