LSA Type 4
Question
In OSPF, which LSA type is responsible for pointing to the ASBR router?
Answers
Explanations
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A. B. C. D.D.
In OSPF (Open Shortest Path First) protocol, the Link State Advertisements (LSAs) are used to share the routing information between the routers. There are several types of LSAs used in OSPF, and each type serves a different purpose.
Among the different types of LSAs used in OSPF, type 5 LSAs are used to represent the ASBR (Autonomous System Boundary Router) and their external routes.
In more detail, type 5 LSAs are generated by the ASBR router to advertise the external routes that it has learned from outside the OSPF domain. These LSAs are flooded throughout the OSPF domain and are received by all other routers in the domain.
Type 5 LSAs are also called Autonomous System External LSAs (AS-External-LSAs) and are used to propagate external routes throughout the OSPF domain. They contain the metric to reach the ASBR router, which is the gateway for external routes. Therefore, type 5 LSAs are responsible for pointing to the ASBR router in OSPF.
To summarize, the correct answer to the question is not provided in the options. Type 5 LSAs are responsible for pointing to the ASBR router in OSPF, while the listed options are incorrect types of LSAs.
