Which type of OSPFv2 packet is used to forward OSPF link change information?
- link-state acknowledgment
- link-state update
- hello
- database description
Explanation: The Type 4 Link-State Update (LSU) packet is specifically designed to announce new routing information and forward OSPF updates, such as link changes, to neighboring routers. While LSUs are used to reply to Link-State Requests (LSRs), they also serve as the primary vehicle for flooding Link-State Advertisements (LSAs) throughout an area when the network topology changes.
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