Building configuration...

Current configuration : 890 bytes
!
version 15.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Edge-R1
!
!
!
!
!
!
!
!
ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
no ip domain-lookup
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0/0
 description Uplink to Core-R3
 ip address 10.10.12.1 255.255.255.252
 duplex auto
 speed auto
!
interface GigabitEthernet0/0/1
 description LAN to Switch-S1
 ip address 192.168.1.2 255.255.255.0
 duplex auto
 speed auto
 standby version 2
 standby 1 ip 192.168.1.1
 standby 1 priority 110
 standby 1 preempt
!
router ospf 1
 router-id 1.1.1.1
 log-adjacency-changes
 passive-interface GigabitEthernet0/0/1
 network 10.10.12.0 0.0.0.3 area 0
 network 192.168.1.0 0.0.0.255 area 0
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end