What is one advantage of using multiarea OSPF?
- It allows OSPFv2 and OSPFv3 to be running together.
- It enables multiple routing protocols to be running in a large network.
- It increases the routing performance by dividing the neighbor table into separate smaller ones.
- It improves the routing efficiency by reducing the routing table and link-state update overhead.
Explanation: A multiarea OSPF network improves routing performance and efficiency in a large network. As the network is divided into smaller areas, each router maintains a smaller routing table because routes between areas can be summarized. Also, fewer updated routes means fewer LSAs are exchanged, thus reducing the need for CPU resources. Running multiple routing protocols simultaneously and implementing both IPv4 and IPv6 are not primary considerations for a multiarea OSPF network.
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