Scenario 3-1: Configuring OSPF in a Single Area
In this scenario, you configure two Cisco routers for OSPF routing using a Class B (/16) network (131.108.0.0) with a Class C subnet mask (255.255.255.0, or /24 mask). You build a small network and an OSPF routing table.
You must also configure a number of loopback interfaces to populate the IP routing table. Figure 3-1 displays two routers named R1 and R2 connected through Ethernet. Configure the routers of OSPF area 1 and place the loopbacks in area 1 also.
Figure 3-1. Basic OSPF
Figure 3-1 displays the IP addressing and area assignments for Routers R1 and R2.
Configure R1 for OSPF first. Assign ...
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