建立如图所示拓扑
第一部分：ISP端配置（AR5）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR5 [AR5]interface LoopBack 0 [AR5-LoopBack0]ip address 202.100.1.1 255.255.255.255 [AR5-LoopBack0]undo shutdown [AR5-LoopBack0]quit # 配置CHAP服务端串口 [AR5]interface Serial4/0/0 [AR5-Serial4/0/0]link-protocol ppp [AR5-Serial4/0/0]ppp authentication-mode chap [AR5-Serial4/0/0]ppp chap user AR4 [AR5-Serial4/0/0]ppp chap password Huawei@123 [AR5-Serial4/0/0]ip address 202.100.100.1 255.255.255.252 [AR5-Serial4/0/0]undo shutdown [AR5-Serial4/0/0]quit # 模拟公网默认路由 [AR5]ip route-static 0.0.0.0 0.0.0.0 NULL0 [AR5]return <AR5>save Are you sure to save? [Y/N]:y第二部分：核心边界配置（AR4）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR4 # 配置CHAP客户端串口（连接AR5） [AR4]interface Serial4/0/1 [AR4-Serial4/0/1]link-protocol ppp [AR4-Serial4/0/1]ppp chap user AR4 [AR4-Serial4/0/1]ppp chap password Huawei@123 [AR4-Serial4/0/1]ip address ppp-negotiate [AR4-Serial4/0/1]undo shutdown [AR4-Serial4/0/1]quit # 配置Area 0接口（连接AR3） [AR4]interface GigabitEthernet0/0/1 [AR4-GigabitEthernet0/0/1]ip address 172.16.0.1 255.255.255.0 [AR4-GigabitEthernet0/0/1]undo shutdown [AR4-GigabitEthernet0/0/1]quit # 配置Area 0接口（连接AR6） [AR4]interface GigabitEthernet0/0/2 [AR4-GigabitEthernet0/0/2]ip address 172.16.1.1 255.255.255.0 [AR4-GigabitEthernet0/0/2]undo shutdown [AR4-GigabitEthernet0/0/2]quit # 配置Area 3接口（连接AR7） [AR4]interface GigabitEthernet0/0/0 [AR4-GigabitEthernet0/0/0]ip address 172.16.3.1 255.255.255.0 [AR4-GigabitEthernet0/0/0]undo shutdown [AR4-GigabitEthernet0/0/0]quit # 配置OSPF（核心，发布默认路由） [AR4]ospf 1 router-id 4.4.4.4 [AR4-ospf-1]area 0 [AR4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.0.255 [AR4-ospf-1-area-0.0.0.0]network 172.16.1.0 0.0.0.255 [AR4-ospf-1-area-0.0.0.0]quit [AR4-ospf-1]area 3 [AR4-ospf-1-area-0.0.0.3]network 172.16.3.0 0.0.0.255 [AR4-ospf-1-area-0.0.0.3]quit [AR4-ospf-1]default-route-advertise always [AR4-ospf-1]quit # 配置默认路由指向ISP [AR4]ip route-static 0.0.0.0 0.0.0.0 Serial4/0/1 [AR4]return <AR4>save Are you sure to save? [Y/N]:y第三部分：骨干区设备配置（AR3、AR6）
1.区域边界路由器 AR3（Area 0 + Area 1）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR3 # 连接AR4（Area 0） [AR3]interface GigabitEthernet0/0/1 [AR3-GigabitEthernet0/0/1]ip address 172.16.0.2 255.255.255.0 [AR3-GigabitEthernet0/0/1]undo shutdown [AR3-GigabitEthernet0/0/1]quit # 连接LSW1（Area 1） [AR3]interface GigabitEthernet0/0/0 [AR3-GigabitEthernet0/0/0]ip address 172.16.10.1 255.255.255.0 [AR3-GigabitEthernet0/0/0]undo shutdown [AR3-GigabitEthernet0/0/0]quit # 配置OSPF [AR3]ospf 1 router-id 3.3.3.3 [AR3-ospf-1]area 0 [AR3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.0.255 [AR3-ospf-1-area-0.0.0.0]quit [AR3-ospf-1]area 1 [AR3-ospf-1-area-0.0.0.1]network 172.16.10.0 0.0.0.255 [AR3-ospf-1-area-0.0.0.1]quit [AR3-ospf-1]quit [AR3]return <AR3>save Are you sure to save? [Y/N]:y2.区域边界路由器 AR6（Area 0 + Area 2）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR6 # 连接AR4（Area 0） [AR6]interface GigabitEthernet0/0/1 [AR6-GigabitEthernet0/0/1]ip address 172.16.1.2 255.255.255.0 [AR6-GigabitEthernet0/0/1]undo shutdown [AR6-GigabitEthernet0/0/1]quit # 连接AR11（Area 2） [AR6]interface GigabitEthernet0/0/0 [AR6-GigabitEthernet0/0/0]ip address 172.16.20.1 255.255.255.0 [AR6-GigabitEthernet0/0/0]undo shutdown [AR6-GigabitEthernet0/0/0]quit # 配置OSPF [AR6]ospf 1 router-id 6.6.6.6 [AR6-ospf-1]area 0 [AR6-ospf-1-area-0.0.0.0]network 172.16.1.0 0.0.0.255 [AR6-ospf-1-area-0.0.0.0]quit [AR6-ospf-1]area 2 [AR6-ospf-1-area-0.0.0.2]network 172.16.20.0 0.0.0.255 [AR6-ospf-1-area-0.0.0.2]quit [AR6-ospf-1]quit [AR6]return <AR6>save Are you sure to save? [Y/N]:y第四部分：Area 1 设备配置（LSW1、AR1、AR2）
汇聚交换机 LSW1（VLAN + OSPF）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname LSW1 # 批量创建VLAN [LSW1]vlan batch 10 20 # 配置连接AR3的接口（Trunk，VLAN10） [LSW1]interface GigabitEthernet0/0/1 [LSW1-GigabitEthernet0/0/1]port link-type trunk [LSW1-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 [LSW1-GigabitEthernet0/0/1]undo shutdown [LSW1-GigabitEthernet0/0/1]quit # 配置连接AR1的接口（Trunk，VLAN20） [LSW1]interface GigabitEthernet0/0/2 [LSW1-GigabitEthernet0/0/2]port link-type trunk [LSW1-GigabitEthernet0/0/2]port trunk allow-pass vlan 20 [LSW1-GigabitEthernet0/0/2]undo shutdown [LSW1-GigabitEthernet0/0/2]quit # 配置Vlanif接口（OSPF互联） [LSW1]interface Vlanif10 [LSW1-Vlanif10]ip address 172.16.10.2 255.255.255.0 [LSW1-Vlanif10]undo shutdown [LSW1-Vlanif10]quit [LSW1]interface Vlanif20 [LSW1-Vlanif20]ip address 172.16.11.1 255.255.255.0 [LSW1-Vlanif20]undo shutdown [LSW1-Vlanif20]quit # 配置OSPF（交换机启用OSPF） [LSW1]ospf 1 router-id 100.100.100.100 [LSW1-ospf-1]area 1 [LSW1-ospf-1-area-0.0.0.1]network 172.16.10.0 0.0.0.255 [LSW1-ospf-1-area-0.0.0.1]network 172.16.11.0 0.0.0.255 [LSW1-ospf-1-area-0.0.0.1]quit [LSW1-ospf-1]quit [LSW1]return <LSW1>save Are you sure to save? [Y/N]:y分支路由器 AR1（Area 1）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR1 # 连接LSW1（VLAN20） [AR1]interface GigabitEthernet0/0/0 [AR1-GigabitEthernet0/0/0]ip address 172.16.11.2 255.255.255.0 [AR1-GigabitEthernet0/0/0]undo shutdown [AR1-GigabitEthernet0/0/0]quit # 配置OSPF [AR1]ospf 1 router-id 1.1.1.1 [AR1-ospf-1]area 1 [AR1-ospf-1-area-0.0.0.1]network 172.16.11.0 0.0.0.255 [AR1-ospf-1-area-0.0.0.1]quit [AR1-ospf-1]quit [AR1]return <AR1>save Are you sure to save? [Y/N]:y分支路由器 AR2（Area 1）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR2 # 连接LSW1（VLAN20） [AR2]interface GigabitEthernet0/0/0 [AR2-GigabitEthernet0/0/0]ip address 172.16.11.3 255.255.255.0 [AR2-GigabitEthernet0/0/0]undo shutdown [AR2-GigabitEthernet0/0/0]quit # 配置OSPF [AR2]ospf 1 router-id 2.2.2.2 [AR2-ospf-1]area 1 [AR2-ospf-1-area-0.0.0.1]network 172.16.11.0 0.0.0.255 [AR2-ospf-1-area-0.0.0.1]quit [AR2-ospf-1]quit [AR2]return <AR2>save Are you sure to save? [Y/N]:y第五部分：Area 3/4 设备配置（AR7、AR8、AR9、AR10）
分支路由器 AR7（Area 3）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR7 # 连接AR4（Area 3） [AR7]interface GigabitEthernet0/0/1 [AR7-GigabitEthernet0/0/1]ip address 172.16.3.2 255.255.255.0 [AR7-GigabitEthernet0/0/1]undo shutdown [AR7-GigabitEthernet0/0/1]quit # 连接AR8（Area 3） [AR7]interface GigabitEthernet0/0/0 [AR7-GigabitEthernet0/0/0]ip address 172.16.30.1 255.255.255.0 [AR7-GigabitEthernet0/0/0]undo shutdown [AR7-GigabitEthernet0/0/0]quit # 配置OSPF [AR7]ospf 1 router-id 7.7.7.7 [AR7-ospf-1]area 3 [AR7-ospf-1-area-0.0.0.3]network 172.16.3.0 0.0.0.255 [AR7-ospf-1-area-0.0.0.3]network 172.16.30.0 0.0.0.255 [AR7-ospf-1-area-0.0.0.3]quit [AR7-ospf-1]quit [AR7]return <AR7>save Are you sure to save? [Y/N]:y区域边界路由器 AR8（Area 3 + Area 4）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR8 # 连接AR7（Area 3） [AR8]interface GigabitEthernet0/0/1 [AR8-GigabitEthernet0/0/1]ip address 172.16.30.2 255.255.255.0 [AR8-GigabitEthernet0/0/1]undo shutdown [AR8-GigabitEthernet0/0/1]quit # 连接AR9（Area 4） [AR8]interface GigabitEthernet0/0/0 [AR8-GigabitEthernet0/0/0]ip address 172.16.40.1 255.255.255.0 [AR8-GigabitEthernet0/0/0]undo shutdown [AR8-GigabitEthernet0/0/0]quit # 配置OSPF [AR8]ospf 1 router-id 8.8.8.8 [AR8-ospf-1]area 3 [AR8-ospf-1-area-0.0.0.3]network 172.16.30.0 0.0.0.255 [AR8-ospf-1-area-0.0.0.3]quit [AR8-ospf-1]area 4 [AR8-ospf-1-area-0.0.0.4]network 172.16.40.0 0.0.0.255 [AR8-ospf-1-area-0.0.0.4]quit [AR8-ospf-1]quit [AR8]return <AR8>save Are you sure to save? [Y/N]:y分支路由器 AR9（Area 4）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR9 # 连接AR8（Area 4） [AR9]interface GigabitEthernet0/0/1 [AR9-GigabitEthernet0/0/1]ip address 172.16.40.2 255.255.255.0 [AR9-GigabitEthernet0/0/1]undo shutdown [AR9-GigabitEthernet0/0/1]quit # 连接AR10（Area 4） [AR9]interface GigabitEthernet0/0/0 [AR9-GigabitEthernet0/0/0]ip address 172.16.50.1 255.255.255.0 [AR9-GigabitEthernet0/0/0]undo shutdown [AR9-GigabitEthernet0/0/0]quit # 配置OSPF [AR9]ospf 1 router-id 9.9.9.9 [AR9-ospf-1]area 4 [AR9-ospf-1-area-0.0.0.4]network 172.16.40.0 0.0.0.255 [AR9-ospf-1-area-0.0.0.4]network 172.16.50.0 0.0.0.255 [AR9-ospf-1-area-0.0.0.4]quit [AR9-ospf-1]quit [AR9]return <AR9>save Are you sure to save? [Y/N]:y分支路由器 AR10（Area 4）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR10 # 连接AR9（Area 4） [AR10]interface GigabitEthernet0/0/1 [AR10-GigabitEthernet0/0/1]ip address 172.16.50.2 255.255.255.0 [AR10-GigabitEthernet0/0/1]undo shutdown [AR10-GigabitEthernet0/0/1]quit # 配置OSPF [AR10]ospf 1 router-id 10.10.10.10 [AR10-ospf-1]area 4 [AR10-ospf-1-area-0.0.0.4]network 172.16.50.0 0.0.0.255 [AR10-ospf-1-area-0.0.0.4]quit [AR10-ospf-1]quit [AR10]return <AR10>save Are you sure to save? [Y/N]:y第六部分：RIP 与 OSPF 重分发配置（AR11、AR12）
路由重分发路由器 AR11（Area 2 + RIP）
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR11 # 连接AR6（Area 2） [AR11]interface GigabitEthernet0/0/0 [AR11-GigabitEthernet0/0/0]ip address 172.16.20.2 255.255.255.0 [AR11-GigabitEthernet0/0/0]undo shutdown [AR11-GigabitEthernet0/0/0]quit # 连接AR12（RIP） [AR11]interface GigabitEthernet0/0/1 [AR11-GigabitEthernet0/0/1]ip address 10.0.0.1 255.255.255.0 [AR11-GigabitEthernet0/0/1]undo shutdown [AR11-GigabitEthernet0/0/1]quit # 配置OSPF（Area 2） [AR11]ospf 1 router-id 11.11.11.11 [AR11-ospf-1]area 2 [AR11-ospf-1-area-0.0.0.2]network 172.16.20.0 0.0.0.255 [AR11-ospf-1-area-0.0.0.2]quit [AR11-ospf-1]quit # 配置RIP（导入OSPF路由） [AR11]rip 1 [AR11-rip-1]version 2 [AR11-rip-1]network 10.0.0.0 [AR11-rip-1]import-route ospf 1 [AR11-rip-1]quit Are you sure to save? [Y/N]:yRIP 终端路由器 AR12
<Huawei>undo terminal monitor <Huawei>system-view [Huawei]sysname AR12 # 连接AR11（RIP） [AR12]interface GigabitEthernet0/0/0 [AR12-GigabitEthernet0/0/0]ip address 10.0.0.2 255.255.255.0 [AR12-GigabitEthernet0/0/0]undo shutdown [AR12-GigabitEthernet0/0/0]quit # 配置RIP（导入直连路由） [AR12]rip 1 [AR12-rip-1]version 2 [AR12-rip-1]network 10.0.0.0 [AR12-rip-1]import-route direct [AR12-rip-1]quit [AR12]return <AR12>save Are you sure to save? [Y/N]:y第七部分：全网验证
验证 CHAP 认证（AR4）
<AR4>display ppp chap client <AR4>display ip interface brief # 确认Serial4/0/1接口双UP验证 OSPF 邻居（核心 AR4）
<AR4>display ospf neighbor # 应看到AR3、AR6、AR7的邻居关系（Full状态）验证路由重分发（AR11）
<AR11>display ip routing-table # 应看到OSPF路由（172.16.0.0段）和RIP路由（10.0.0.0段）全网连通性测试（AR12 ping ISP）
<AR12>ping 202.100.1.1
