!
hostname CORE-R1
interface GigabitEthernet0/0
 ip address 10.0.0.1 255.255.255.252
 no shutdown
!
interface GigabitEthernet0/1
 ip address 10.0.1.1 255.255.255.0
 no shutdown
!
interface GigabitEthernet0/2
 ip address 10.0.2.1 255.255.255.0
 no shutdown
!
router ospf 1
 network 10.0.0.0 0.0.0.3 area 0
 network 10.0.1.0 0.0.0.255 area 0
 network 10.0.2.0 0.0.0.255 area 0
!
access-list 110 permit ip any any
access-list 110 deny tcp any any eq 23
access-list 110 deny tcp any any eq 445
!
line vty 0 4
 login local
 transport input ssh
!
end