OSPF - OSPF Design and LSAs - Stubby Areas

3 important questions on OSPF - OSPF Design and LSAs - Stubby Areas

If there is an ASBR in the network, What type of route will be advertised into the stubby area?

A type 3 LSA containing a default route will be advertised into the network

What is a NSSA and which ABR will perform translation type?

It is a stubby area which contains an ASBR. It creates type 7 LSA's to distinguish it from normal external type 5 LSA's. The ABR with the highest RID will perform a translation from type 7 to type 5 LSA.

Which two types of LSA's are not stopped at the ABR?

Type 1 and 2 (internal en intra area)

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