Describe the concepts, operation, or functionality of OSPFv2 and OSPFv3
- OSPF area types and operations
- Link-state advertisement (LSA) flooding through an OSPF multi-area network
- Designated router/backup designated router operation
- Shortest-path-first (SPF) algorithm
- Metrics, including external metric types.
- Summarize and restrict routes.
- Virtual links
- OSPFv2 vs. OSPFv3