hope this is okayrouter 1 ABR connecting between areas 0 and 1:
ML2-D-CY#show running-config
Building configuration...
Current configuration : 2179 bytes
!
version 16.3.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname ML2-D-CY
!
!
!
!
!
!
!
no ip cef
ip routing
!
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet1/0/1
no switchport
ip address 10.3.101.1 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/2
no switchport
ip address 10.3.1.6 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/3
no switchport
ip address 10.3.1.14 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/4
no switchport
ip address 10.3.1.22 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/5
no switchport
no ip address
duplex auto
speed auto
!
interface GigabitEthernet1/0/6
no switchport
ip address 10.3.201.254 255.255.255.0
duplex auto
speed auto
!
interface GigabitEthernet1/0/7
no switchport
ip address 10.3.2.1 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/8
!
interface GigabitEthernet1/0/9
!
interface GigabitEthernet1/0/10
!
interface GigabitEthernet1/0/11
!
interface GigabitEthernet1/0/12
!
interface GigabitEthernet1/0/13
!
interface GigabitEthernet1/0/14
!
interface GigabitEthernet1/0/15
!
interface GigabitEthernet1/0/16
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
!
interface GigabitEthernet1/0/19
!
interface GigabitEthernet1/0/20
!
interface GigabitEthernet1/0/21
!
interface GigabitEthernet1/0/22
!
interface GigabitEthernet1/0/23
!
interface GigabitEthernet1/0/24
!
interface GigabitEthernet1/1/1
!
interface GigabitEthernet1/1/2
!
interface GigabitEthernet1/1/3
!
interface GigabitEthernet1/1/4
!
interface Vlan1
no ip address
shutdown
!
router ospf 10
router-id 4.4.4.4
log-adjacency-changes
area 1 virtual-link 10.10.10.10
network 10.3.201.0 0.0.0.255 area 0
network 10.3.1.4 0.0.0.3 area 0
network 10.3.1.12 0.0.0.3 area 0
network 10.3.1.20 0.0.0.3 area 0
network 10.3.101.0 0.0.0.3 area 0
network 10.3.2.0 0.0.0.3 area 1
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
!
end
router 2 ABR connecting between areas 1 and 2:
ospf-area1-2-r1#show running-config
Building configuration...
Current configuration : 816 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname ospf-area1-2-r1
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface GigabitEthernet0/0
ip address 10.3.2.18 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0
ip address 10.3.2.13 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet2/0
ip address 10.3.2.6 255.255.255.252
duplex auto
speed auto
!
router ospf 10
router-id 10.10.10.10
log-adjacency-changes
area 1 virtual-link 4.4.4.4
network 10.3.2.4 0.0.0.3 area 1
network 10.3.2.12 0.0.0.3 area 1
network 10.3.2.16 0.0.0.3 area 2
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
