Types of ospf LSA

Question

Types of ospf LSA

Accepted Answer

OSPF LSA types include Router LSA, Network LSA, Summary LSA, ASBR Summary LSA, AS External LSA, and NSSA External LSA.

Router LSA describes the state of the router and its interfaces within an area.
Network LSA describes the state of the network segment and its attached routers.
Summary LSA summarizes routes from one area to another.
ASBR Summary LSA summarizes routes to an Autonomous System Boundary Router (ASBR).
AS External LSA advertises routes from other Autonomous Systems.
NSSA External LSA advertises routes from Not-So-Stubby Areas (NSSAs).

Accepted Answer

LSA Type 1: Router LSA.

LSA Type 2: Network LSA.

LSA Type 3: Summary LSA.

LSA Type 4: Summary ASBR LSA.

LSA Type 5: Autonomous system external LSA.

LSA Type 6: Multicast OSPF LSA.

LSA Type 7: Not-so-stubby area LSA.

LSA Type 8: External attribute LSA for BGP.

Accepted Answer