Current configuration : 992 bytes ! version 15.4 no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption ! hostname HQ-R1 ! ! ! ! ! ! ! ! ip cef no ipv6 cef ! ! ! ! ! ! ! ! ! ! ! ! no ip domain-lookup ! ! spanning-tree mode pvst ! ! ! ! ! ! interface Loopback0 description HQ Management Loopback ip address 192.168.1.1 255.255.255.0 ! interface GigabitEthernet0/0/0 description Transit Link to Branch-R2 ip address 10.1.12.1 255.255.255.252 duplex auto speed auto ! interface GigabitEthernet0/0/1 description Transit Link to Remote-R3 ip address 10.1.13.1 255.255.255.252 duplex auto speed auto ! router ospf 1 router-id 1.1.1.1 log-adjacency-changes passive-interface Loopback0 network 10.1.12.0 0.0.0.3 area 0 network 10.1.13.0 0.0.0.3 area 0 network 192.168.1.0 0.0.0.255 area 0 ! ip classless ! ip flow-export version 9 ! ! ! banner motd ^C Authorized Access Only - HQ-R1 Hub Router ^C ! ! ! ! line con 0 ! line aux 0 ! line vty 0 4 login ! ! ! end