R11(Normal Area)-R13(NSSA) show ip route
R11#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O E2 220.0.0.0/24 [110/20] via 100.0.0.1, 00:16:11, FastEthernet0/0  <- summarize
O E2 220.1.0.0/24 [110/20] via 100.0.0.1, 00:16:11, FastEthernet0/0  <- summarize
     100.0.0.0/24 is subnetted, 2 subnets
C       100.0.0.0 is directly connected, FastEthernet0/0
C       100.1.0.0 is directly connected, FastEthernet1/0
O E2 200.0.0.0/24 [110/20] via 100.1.0.2, 00:16:11, FastEthernet1/0  <- summarize
O E2 200.1.0.0/24 [110/20] via 100.1.0.2, 00:16:11, FastEthernet1/0  <- summarize
     20.0.0.0/24 is subnetted, 2 subnets
O IA    20.0.0.0 [110/4] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    20.1.0.0 [110/5] via 100.0.0.1, 00:16:11, FastEthernet0/0
     110.0.0.0/24 is subnetted, 2 subnets
O IA    110.0.0.0 [110/3] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    110.1.0.0 [110/4] via 100.0.0.1, 00:16:11, FastEthernet0/0
     40.0.0.0/24 is subnetted, 2 subnets
O IA    40.0.0.0 [110/4] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    40.1.0.0 [110/5] via 100.0.0.1, 00:16:11, FastEthernet0/0
     10.0.0.0/24 is subnetted, 2 subnets
O IA    10.0.0.0 [110/2] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    10.1.0.0 [110/3] via 100.0.0.1, 00:16:11, FastEthernet0/0
O E2 210.0.0.0/24 [110/20] via 100.0.0.1, 00:16:11, FastEthernet0/0  <- summarize
O E2 210.1.0.0/24 [110/20] via 100.0.0.1, 00:16:11, FastEthernet0/0  <- summarize
     120.0.0.0/24 is subnetted, 2 subnets
O IA    120.0.0.0 [110/3] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    120.1.0.0 [110/4] via 100.0.0.1, 00:16:11, FastEthernet0/0
     30.0.0.0/24 is subnetted, 2 subnets
O IA    30.0.0.0 [110/4] via 100.0.0.1, 00:16:11, FastEthernet0/0
O IA    30.1.0.0 [110/5] via 100.0.0.1, 00:16:11, FastEthernet0/0
R11#
R13#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 110.0.0.1 to network 0.0.0.0

     100.0.0.0/24 is subnetted, 2 subnets
O IA    100.0.0.0 [110/3] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    100.1.0.0 [110/4] via 110.0.0.1, 00:17:21, FastEthernet0/0
     20.0.0.0/24 is subnetted, 2 subnets
O IA    20.0.0.0 [110/4] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    20.1.0.0 [110/5] via 110.0.0.1, 00:17:21, FastEthernet0/0
     110.0.0.0/24 is subnetted, 2 subnets
C       110.0.0.0 is directly connected, FastEthernet0/0
C       110.1.0.0 is directly connected, FastEthernet1/0
     40.0.0.0/24 is subnetted, 2 subnets
O IA    40.0.0.0 [110/4] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    40.1.0.0 [110/5] via 110.0.0.1, 00:17:21, FastEthernet0/0
     10.0.0.0/24 is subnetted, 2 subnets
O IA    10.0.0.0 [110/2] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    10.1.0.0 [110/3] via 110.0.0.1, 00:17:21, FastEthernet0/0
O N2 210.0.0.0/24 [110/20] via 110.1.0.2, 00:17:21, FastEthernet1/0
O N2 210.1.0.0/24 [110/20] via 110.1.0.2, 00:17:21, FastEthernet1/0
     120.0.0.0/24 is subnetted, 2 subnets
O IA    120.0.0.0 [110/3] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    120.1.0.0 [110/4] via 110.0.0.1, 00:17:21, FastEthernet0/0
     30.0.0.0/24 is subnetted, 2 subnets
O IA    30.0.0.0 [110/4] via 110.0.0.1, 00:17:21, FastEthernet0/0
O IA    30.1.0.0 [110/5] via 110.0.0.1, 00:17:21, FastEthernet0/0
O*N2 0.0.0.0/0 [110/1] via 110.0.0.1, 00:17:21, FastEthernet0/0  <- default route(*1)
R13#

    (*1) R9 - area 110 nssa default-information-originate