OSPF Hello packets are used to establish and maintain neighbor relationships between routers.
Hello packets contain:✅ Router ID – Unique identifier for the OSPF router.✅ Area ID – Defines the OSPF area to which the router belongs.✅ Network Mask – Helps ensure routers are on the same subnet.
Process ID is NOT included because the OSPF Process ID is a local parameter used only within the router itself and is not exchanged between routers.
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