See the solution below in Explanation: Explanation: Solution: R1 en Conf t Router ospf 10 Router-id 10.x.x.x - lo0 address Int range lo0, e0/0-1 Ip ospf 10 area 0 Exit wr R2 Router ospf 10 Area 10 range 10.1.0.0 255.255.0.0 exit wr R3 Router ospf 10 Area 10 range 10.2.0.0 255.255.0.0 Exit Wr OR