Dynamic Routing Protocol (OSPE with Different Area)

First Configure
 Router > en
 Router # conf t
 Router (config) # int loopback0
 Router (config-if) # ip add 2.2.2.2 255.255.255.252
 Router (config-if) # no shut
 Router (config-if) # int s1/0
 Router (config-if) # ip add 192.168.1.1 255.255.255.252
 Router (config-if) # no shut
 Second Configure
 Router (config-if) # router ospf 1
 Router (config-router) # network 2.2.2.0 0.0.0.3 area 0
 Router (config-router) # network 192.168.1.0 0.0.0.3 area 0
Router 2
 First Configure
 Router > en
 Router # conf t
 Router (config) # int loopback0
 Router (config) # ip add 2.2.3.2 255.255.255.252
 Router (config) # no shut
 Router (config) # int s1/0
 Router (config) # ip add 192.168.1.2 255.255.255.252
 Router (config) # no shut
 Router (config) # int s1/1
 Router (config) # ip add 192.168.2.1 255.255.255.252
 Router (config) # no shut
Router (config) # router ospf 1
 Router (config) # network 2.2.3.0 0.0.0.3 area 1
 Router (config) # network 192.168.1.0 0.0.0.3 area 0
 Router (config) # network 192.168.2.0 0.0.0.3 area 1
 Router (config) # area 1 virtual-link 2.2.4.2 authentication
Router 3
 First Configure
 Router > en
 Router # conf t
 Router (config) # int lookback0
 Router (config) # ip add 2.2.4.2 255.255.255.252
 Router (config) # no shut
 Router (config) # int s1/0
 Router (config) # ip add 192.168.2.2 255.255.255.252
 Router (config) # no shut
 Router (config) # int s1/1
 Router (config) # ip add 192.168.3.1 255.255.255.252
 Router (config) # no shut
 Second Configure
 Router (config) # router ospf 1
 Router (config) # network 2.2.4.0 0.0.0.3 area 2
 Router (config) # network 192.168.2.0 0.0.0.3 area 1
 Router (config) # network 192.168.3.0 0.0.0.3 area 2
 Router (config) # area 1 virtual-link 2.2.3.2 authentication
 Router (config) # area 1 virtual-link 2.2.2.2 authentication
Router 4
 First Configure
 Router > en
 Router # conf t
 Router (config) # int s1/0
 Router (config) # ip add 192.168.3.2 255.255.255.252
 Router (config) # no shut
 Second Configure
 Router (config) # router ospf 1
 Router (config) # network 192.168.3.0 0.0.0.3 area 2