Indicates whether or not the P-bit will be set in the Type-7
LSA of this route. If P-bit is set, the Type-7 LSA is
translated into a Type-5 LSA and the Type-5 LSA is flooded
into all non-stub areas. Otherwise, the Type-7 LSA is not
translated. This field only applies to the Type-7 LSA
originated by an NSSA internal AS boundary router