Scenario 4-1: Configuring OSPF with Multiple Areas

In this scenario, you configure an eight-router, three-area network with OSPF. Figure 4-4 displays the OSPF topology and area assignment.

Figure 4-4. OSPF Topology and Area Assignment

This scenario represents a typical OSPF network with semi-redundancy and a hierarchical address assignment. To simulate a large network environment, you configure several loopback address assignments on R1 and R2. Typically in an environment like this, the hosts (devices, such as mainframes, large computer hosts, or printers) reside in the backbone and the end users are connected to the remote sites. Assume all IP ...

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