| Type | Packet Name | Source | Destination | Purpose |
| 1 | Hello | Link-local address | FF02:55 | Discover and maintain neighbours |
| 1 | Hello | Link-local address | Link-local address | Initial forming of adjacency and immediate hello |
| 2 | Database Description | Link-local address | Link-local address | Summarise database contents |
| 3 | Link state request | Link-local address | Link-local address | Requesting information from a database |
| 4 | Link-state update | Link-local address | Link-local address | Initial adjacency forming in response to a link state request |
| 4 | Link-state update | Link-local address from DR | FF02::5 | Database update |
| 4 | Link-state update | Link-local address from non- DR | FF02::6 | Database update |
| 5 | Link-state acknowledgement | Link-local address | Link-local address | Initial forming of adjacency in response to a link state update |
| 5 | Link-state acknowledgement | Link-local address from DR | FF02::5 | Acknowledgement flood |
| 5 | Link-state acknowledgement | Link-local address from non-DR | FF02::6 | Acknowledgment flood to DR/BDRs |
OSPFv3 Packet Types
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