103 
•  Configure Router D as the ASBR to redistribute static routes. 
•  Configure Area 1 as a stub area to reduce advertised LSAs without influencing reachability. 
Figure 25 Network diagram 
 
 
Configuration procedure 
1.  Configure IP addresses for interfaces. (Details not shown.) 
2.  Enable OSPF (see "Basic OSPF configuration example")
. 
3.  Configure route redistribution: 
# Configure Router D to redistribute static routes. 
<RouterD> system-view 
[RouterD] ip route-static 3.1.2.1 24 10.5.1.2 
[RouterD] ospf 
[RouterD-ospf-1] import-route static 
[RouterD-ospf-1] quit 
# Display ABR/ASBR information on Router C. 
<RouterC> display ospf abr-asbr 
 
          OSPF Process 1 with Router ID 10.4.1.1 
                  Routing Table to ABR and ASBR 
 
 Type        Destination     Area            Cost  Nexthop         RtType 
 Intra       10.2.1.1        0.0.0.1         3     10.2.1.1        ABR 
 Inter       10.5.1.1        0.0.0.1         7     10.2.1.1        ASBR 
# Display OSPF routing information on Router C. 
<RouterC> display ospf routing 
 
          OSPF Process 1 with Router ID 10.4.1.1 
                   Routing Tables 
 
 Routing for Network 
 Destination        Cost     Type    NextHop         AdvRouter       Area 
 10.2.1.0/24        3        Transit 10.2.1.2        10.2.1.1        0.0.0.1 
 10.3.1.0/24        7        Inter   10.2.1.1        10.2.1.1        0.0.0.1 
 10.4.1.0/24        3        Stub    10.4.1.1        10.4.1.1        0.0.0.1 
 10.5.1.0/24        17       Inter   10.2.1.1        10.2.1.1        0.0.0.1 
Area 0
Area 1
Stub
Area 2
Router C
Eth1/1
10.1.1.2/24
Eth1/1
10.1.1.1/24
Eth1/2
10.4.1.1/24
Eth1/1
10.2.1.2/24
Router B
Eth1/2
10.3.1.1/24
Eth1/1
10.3.1.2/24
Router A
Eth1/2
10.2.1.1/24
Eth1/2
10.5.1.1/24
Router D
ASBR