The administrative point-to-point status of the LAN segment
attached to this port. A value of forceTrue(0) indicates that
this port should always be treated as if it is connected to
a point-to-point link. A value of forceFalse(1) indicates
that this port should be treated as having a shared media
connection. A value of auto(2) indicates that this port is
considered to have a point-to-point link if it is an Aggregator
and all of its members are aggregatable, or if the MAC entity
is configured for full duplex operation, either through
auto-negotiation or by management means.