Current configuration : 2981 bytes ! version 15.5 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! ! no aaa new-model ethernet lmi ce ! ! ! mmi polling-interval 60 no mmi auto-configure no mmi pvc mmi snmp-timeout 180 ! ! ! ! ! ! ! ! ! ! ! ip cef no ipv6 cef ! multilink bundle-name authenticated ! ! ! ! ! redundancy ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface GigabitEthernet0/0 no ip address shutdown duplex auto speed auto media-type rj45 ! interface GigabitEthernet0/1 description to R2 on Gi0/1 ip address 192.168.12.1 255.255.255.0 ip ospf priority 255 duplex auto speed auto media-type rj45 ! interface GigabitEthernet0/2 description to R3 on Gi0/1 ip address 192.168.13.1 255.255.255.0 ip ospf priority 255 duplex auto speed auto media-type rj45 ! router ospf 900 network 192.168.12.1 0.0.0.0 area 0 network 192.168.13.1 0.0.0.0 area 0 ! ip forward-protocol nd ! ! no ip http server no ip http secure-server ! ! ! ! control-plane !