Indicates if and how an NSSA Border router is
performing NSSA translation of type-7 LSAs into type-5
LSAs. When this object set to enabled, the NSSA Border
router's cospfAreaNssaExtTranslatorRole has been set to
always. When this object is set to elected, a candidate
NSSA Border router is Translating type-7 LSAs into type-5.
When this object is set to disabled, a candidate NSSA
Border router is NOT translating type-7 LSAs into type-5.