以下是华为路由器的结果： 1. 基本配置： lsdb： OSPF Process 1 with Router ID 1.1.1.1 Link State Database

Area: 0.0.0.1 Type LinkState ID AdvRouter Age Len Sequence Metric Router 1.1.1.1 1.1.1.1 1543 72 80000005 0 Router 2.2.2.2 2.2.2.2 1541 48 80000003 0 Sum-Net 192.168.23.0 2.2.2.2 1507 28 80000001 1562 Sum-Net 192.168.34.0 2.2.2.2 1339 28 80000001 3124 Sum-Asbr 4.4.4.4 2.2.2.2 998 28 80000001 3124

AS External Database Type LinkState ID AdvRouter Age Len Sequence Metric External 192.168.34.1 4.4.4.4 908 36 80000001 1 External 192.168.34.0 4.4.4.4 908 36 80000001 1 External 192.168.45.0 4.4.4.4 908 36 80000001 1 External 192.168.45.2 4.4.4.4 908 36 80000001 1 External 50.50.50.50 4.4.4.4 1005 36 80000001 1

2.配置了stub区域 OSPF Process 1 with Router ID 1.1.1.1 Link State Database

Area: 0.0.0.1 Type LinkState ID AdvRouter Age Len Sequence Metric Router 1.1.1.1 1.1.1.1 6 72 80000005 0 Router 2.2.2.2 2.2.2.2 15 48 80000002 0 Sum-Net 0.0.0.0 2.2.2.2 24 28 80000001 1 Sum-Net 192.168.23.0 2.2.2.2 19 28 80000001 1562 Sum-Net 192.168.34.0 2.2.2.2 19 28 80000001 3124

路由表 Destination/Mask Proto Pre Cost NextHop Interface

0.0.0.0/0 OSPF 10 1563 192.168.12.2 S0/2/0 10.10.10.10/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.5.0/24 Direct 0 0 192.168.5.125 Eth0/1/0 192.168.5.125/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.0/24 Direct 0 0 192.168.12.1 S0/2/0 192.168.12.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.2/32 Direct 0 0 192.168.12.2 S0/2/0 192.168.23.0/24 OSPF 10 3124 192.168.12.2 S0/2/0 192.168.34.0/24 OSPF 10 4686 192.168.12.2 S0/2/0

3.配置了stub no-summary OSPF Process 1 with Router ID 1.1.1.1 Link State Database

Area: 0.0.0.1 Type LinkState ID AdvRouter Age Len Sequence Metric Router 1.1.1.1 1.1.1.1 73 72 8000000A 0 Router 2.2.2.2 2.2.2.2 107 48 80000006 0 Sum-Net 0.0.0.0 2.2.2.2 135 28 80000001 1 路由表

Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/0 OSPF 10 1563 192.168.12.2 S0/2/0 10.10.10.10/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.5.0/24 Direct 0 0 192.168.5.125 Eth0/1/0 192.168.5.125/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.0/24 Direct 0 0 192.168.12.1 S0/2/0 192.168.12.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.2/32 Direct 0 0 192.168.12.2 S0/2/0 4.配置了nssa区域 [r1-ospf-1-area-0.0.0.1]dis ospf lsdb

OSPF Process 1 with Router ID 1.1.1.1 Link State Database

Area: 0.0.0.1 Type LinkState ID AdvRouter Age Len Sequence Metric Router 1.1.1.1 1.1.1.1 69 72 80000005 0 Router 2.2.2.2 2.2.2.2 91 48 80000002 0 Sum-Net 192.168.23.0 2.2.2.2 99 28 80000001 1562 Sum-Net 192.168.34.0 2.2.2.2 99 28 80000001 3124

路由表 estination/Mask Proto Pre Cost NextHop Interface

10.10.10.10/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.5.0/24 Direct 0 0 192.168.5.125 Eth0/1/0 192.168.5.125/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.0/24 Direct 0 0 192.168.12.1 S0/2/0 192.168.12.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.2/32 Direct 0 0 192.168.12.2 S0/2/0 192.168.23.0/24 OSPF 10 3124 192.168.12.2 S0/2/0 192.168.34.0/24 OSPF 10 4686 192.168.12.2 S0/2/0

***************** [r1-ospf-1-area-0.0.0.1]nssa ? default-route-advertise Originate Type 7 default into NSSA area no-import-route No redistribution into this NSSA area no-summary Do not send summary LSA into NSSA

如果带上default-route-advertise Lsdb： OSPF Process 1 with Router ID 1.1.1.1 Link State Database Area: 0.0.0.1 Type LinkState ID AdvRouter Age Len Sequence Metric Router 1.1.1.1 1.1.1.1 80 72 80000005 0 Router 2.2.2.2 2.2.2.2 102 48 80000002 0 Sum-Net 192.168.23.0 2.2.2.2 106 28 80000001 1562 Sum-Net 192.168.34.0 2.2.2.2 106 28 80000001 3124 NSSA 0.0.0.0 2.2.2.2 111 36 80000001 1

路由表：Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/0 O_NSSA 150 1 192.168.12.2 S0/2/0 10.10.10.10/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.5.0/24 Direct 0 0 192.168.5.125 Eth0/1/0 192.168.5.125/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.0/24 Direct 0 0 192.168.12.1 S0/2/0 192.168.12.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.12.2/32 Direct 0 0 192.168.12.2 S0/2/0 192.168.23.0/24 OSPF 10 3124 192.168.12.2 S0/2/0 192.168.34.0/24 OSPF 10 4686 192.168.12.2 S0/2/0

如果使用[r1-ospf-1-area-0.0.0.1]nssa no-import-route Lsdb： OSPF Process 1 with Router ID 1.1.1.1 Link State Database