Description: This indicates the current state of the Port Information state machine. This object will hold the value 'disabled' when the Port Information state machine is in the DISABLED state, the value 'aged' when the state machine is in the AGED state, the value 'update' when the state machine is in the UPDATE state, the value 'superior' when the state machine is in the SUPERIOR state, the value 'repeat' when the state machine is in the REPEAT state, the value 'notdesignated' when the state machine is in the NOT_DESIGNATED state, the value 'present' when the state machine is in the CURRENT state and the value 'receive' when the state machine is in the RECEIVE state and the value 'inferiordesignated' when the state machine is in the INFERIOR_DESIGNATED state.