OSPF LSA Types
Type 1 LSA
- Called RLA (Router Link Advertisement)
- Sent by router to all other routers in an area
- Has information on all router links in the area, including the status and cost for each link.
- Routers with connections to multiple areas send a Type 1 LSA to each router it is connected to.
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Type 2 LSA
- Called NLA (Network Link Advertisement)
- Generated by the DR
- DR uses this to send information about the state of other routers that are part of the network.
- Only sent to routers in the area containing the specific network.
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