r1
~~~~~~~
conf t
hostname r1
router ospf 1
network 192.168.1.0 0.0.0.255 area 1
int fa0/0
ip address 192.168.1.2 255.255.255.0
no sh
ABR
~~~~~~~~~~~~
conf t
hostname ABR
int fa0/0
des connection to r1
ip address 192.168.1.1 255.255.255.0
no sh
int fa0/1
des connection to r2
ip address 10.10.1.1 255.255.255.0
no sh
router ospf 999
network 10.10.1.0 0.0.0.255 area 2
network 192.168.1.0 0.0.0.255 area 1
r2
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
conf t
hostname r2
int fa0/0
ip address 10.10.1.2 255.255.255.0
no sh
router ospf 2
network 10.10.1.0 0.0.0.255 area 2