A value that indicates the connection capabilities of the port.
The 'pc-mac-lct' bit indicates that the station has the capability
of setting the PC_MAC_LCT Flag. The 'pc-mac-loop' bit indicates
that the station has the capability of setting the PC_MAC_LOOP Flag.
The value is a sum. This value initially takes the value zero,
then for each PORT policy, 2 raised to a power is added to the
sum. The powers are according to the following table:
Capability Power
---------- -----
pc-mac-lct 0
pc-mac-loop 1