This MIB provides the Registrar state machine value for the GVRP enabled port as follows,0 = inn,1 = lv,2 = l3,3 = l2, 4 = l1,5 = mt,6 = inr,7 = lvr,8 = l3r,9 = l2r,10 = l1r,11 = mtr, 12 = inf,13 = lvf,14 = l3f,15 = l2f,16 = l1f,17 = mtf . Whereas, the first two letters/numbers indicate the state: IN stands for In; LV, L3, L2, and L1 all stand for Leaving, and L3, L2, L1 are three sub-states of LV; MT stands for Empty. And the third letter indicates the registration mode: N (or the third letter being absent) for normal registration,R for Registration fixed, and F for Registration forbidden.. indicating the fixed registration mode in Empty state.