NSSA
NSSA (Not so stubby area) is an OSPF area type that allows the injection of external routes into the stub area by using a special LSA type called LSA type 7. This LSA type 7 is converted into an LSA type 5 when it leaves the NSSA area.
NSSA (Not so stubby area) is an OSPF area type that allows the injection of external routes into the stub area by using a special LSA type called LSA type 7. This LSA type 7 is converted into an LSA type 5 when it leaves the NSSA area.