This value represents the state of the tributary
relative to the multipoint polling algorithm. If not
set the default is AUTOMATIC. The possible states are:
AUTOMATIC
The tributary's state is allowed to vary according to
the operation of the polling algorithm.
ACTIVE/INACTIVE/DYING/DEAD
The tributary is locked in the specified state.
NOTE: These values are incremented by one compared to
the standard DECnet values in order to maintain
compliance with RFC 1155.