OSPF LSA Types
LSA Type Name Description
1 Router-LSA Advertise RIDs within area
2 Network-LSA Advertise RIDs within area
from DR
3 Inter-Area-Prefix-LSA Advertise prefixes between areas
4 Inter-Area-Router-LSA Advertise location of ASBR
5 AS-External-LSA Advertise redistributed routes
6 Group-Membership Multicast information
7 Type-7-LSA Pass external routes through an
NSSA
8 Link-LSA Advertise link-local address to
neighbors
9 Intra-Area-Prefix-LSA Advertise prefixes associated
with RID