OSPF上机-1拓扑图1、组网和区域划分如上图所示。

2.在S3526-1、AR28-1、AR28-2、S3526-2的互联接口上启用ospf路由协议；并且在每台三层设备上引入直联路由，直联路由引入按照默认的type 2类型，R1<Huawei>undo terminal monitorInfo: Current terminal monitor is off.<Huawei>system-<Huawei>system-viewEnter system view, return user view with Ctrl+Z.[Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 172.16.0.1 24[Huawei-Ethernet0/0/0]int e[Huawei-Ethernet0/0/0]int[Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.5 30 [Huawei-Ethernet0/0/1]qui[Huawei]inter[Huawei]interface loopback 0[Huawei-LoopBack0]ip add 1.1.1.1 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.1[Huawei]ospf[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.4 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]import-route direct[Huawei-ospf-1]silent-interface loopback 0 [Huawei-ospf-1]R2<Huawei>undo terminal monitorInfo: Current terminal monitor is off.<Huawei>system-viewEnter system view, return user view with Ctrl+Z. [Huawei]interface Ethernet0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.6 30[Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.1 30[Huawei-Ethernet0/0/1]qui[Huawei]inter loopback 0[Huawei-LoopBack0]ip add 1.1.1.2 32[Huawei]router id 1.1.1.2[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3[Huawei-ospf-1-area-0.0.0.0]network 1.1.1.2 0.0.0.0[Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.4 0.0.0.3[Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]R3<Huawei>undo terminal monitorInfo: Current terminal monitor is off.<Huawei>system-viewEnter system view, return user view with Ctrl+Z.[Huawei-Ethernet0/0/0]ip add 192.168.0.2 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.9 30 [Huawei-Ethernet0/0/1]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.3 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.3[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]net[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 1.1.1.3 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]area 2[Huawei-ospf-1-area-0.0.0.2]network 192.168.0.8 0.0.0.3R4<Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z.[Huawei-Ethernet0/0/0]ip add 192.168.0.10 30[Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 172.16.1.1 24[Huawei-Ethernet0/0/1]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.4 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.5[Huawei]ospf[Huawei-ospf-1]area 2[Huawei-ospf-1-area-0.0.0.2]network 192.168.0.8 0.0.0.3[Huawei-ospf-1-area-0.0.0.2]qui[Huawei-ospf-1]import-route direct cost 100(引入直连开销值为100) [Huawei-ospf-1][Huawei-ospf-1]import-route direct type 1（进入type 1 .第一类外部路由）上机2组网互联要求-1：1、链路COST值和区域划分如上图所示。

2、在S3526-1、AR28-1、AR28-2、S3526-2的互联接口上启用ospf路由协议，所有直联路由使用network+silent方式发布。

R1<Huawei><Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.1 32 Error: The specified IP address is invalid. [Huawei-Ethernet0/0/0]ip add 192.168.0.1 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.5 30 [Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 192.168.0.9 30 [Huawei-GigabitEthernet0/0/0]qui[Huawei]unter loop 0^Error: Unrecognized command found at '^' position. [Huawei]inter loop 0[Huawei-LoopBack0]ip add d1.1.1.1.1 32^Error: Wrong parameter found at '^' position. [Huawei-LoopBack0]ip add 1.1.1.1 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.1[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]si[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0][Huawei-ospf-1-area-0.0.0.0]network 192.168.0.4 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 192.168.0.8 0.0.0.3R2<Huawei><Huawei><Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.2 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.13 30 [Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 192.168.0.17 30 [Huawei-GigabitEthernet0/0/0]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.2 32[Huawei-LoopBack0]qui[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 1.1.1.2 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]sil[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]area 2[Huawei-ospf-1-area-0.0.0.2]qui[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0network 192.168.0.16 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 192.168.0.12 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]R3<Huawei>undo term mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei][Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.6 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.18 30 [Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 172.16.1.1 24 [Huawei-GigabitEthernet0/0/0]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.3 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.3[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.4 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 192.168.0.16 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 1.1.1.3 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]sil[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]si[Huawei-ospf-1]silent-interface g[Huawei-ospf-1]silent-interface GigabitEthernet 0/0/0 [Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 172.16.1.0 0.0.0.255 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]undoR4<Huawei>undo term mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0//0^Error: Wrong parameter found at '^' position. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.14 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.10 30 [Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 172.16.2.1 24 [Huawei-GigabitEthernet0/0/0]qui[Huawei]inter loop^Error:Incomplete command found at '^' position. [Huawei]inter loop0[Huawei-LoopBack0]ip add 1.1.1.4 32[Huawei-LoopBack0]qui[Huawei][Huawei]router id 1.1.1.4[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]nerwork 192.168.0.12 0.0.0.3^Error: Unrecognized command found at '^' position. [Huawei-ospf-1-area-0.0.0.0]network 192.168.0.12 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 192.168.0.8 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]network 1.1.1.4 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]sli[Huawei-ospf-1]sil[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 172.16.2.0 0.0.0.255 [Huawei-ospf-1-area-0.0.0.1]qui没有修改开销值PC2修改之后PC2没有修改开销值PC1修改之后PC1 OSPF上机2-2R1<Huawei><Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.1 30 [Huawei-Ethernet0/0/0]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 192.168.0.9^ Error:Incomplete command found at '^' position.[Huawei-GigabitEthernet0/0/0]ip add 192.168.0.9 30 [Huawei-GigabitEthernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.5^Error:Incomplete command found at '^' position. [Huawei-Ethernet0/0/1]ip add 192.168.0.5 30 [Huawei-Ethernet0/0/1]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.1 32[Huawei-LoopBack0]router id 1.1.1.1[Huawei]ospf[Huawei-ospf-1]area0^Error: Unrecognized command found at '^' position. [Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]net 1.1.1.1 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]sil[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.5 0.0.0.3[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.9 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.8 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]network 192.168.0.4 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]undo network 192.168.0.5 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]undo network 192.168.0.9 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1] User interface con0 is availableR2<Huawei>undo ter^Error:Incomplete command found at '^' position.<Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.2 30[Huawei-Ethernet0/0/0]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 192.168.0.17 30[Huawei-GigabitEthernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.13 30 [Huawei-Ethernet0/0/1]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.2 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.2[Huawei]ospf[Huawei-ospf-1]area 0[Huawei-ospf-1-area-0.0.0.0]network 192.168.0.0 0.0.0.3 [Huawei-ospf-1-area-0.0.0.0]net[Huawei-ospf-1-area-0.0.0.0]network 1.1.1.2 0.0.0.0 [Huawei-ospf-1-area-0.0.0.0]qui[Huawei-ospf-1]sil[Huawei-ospf-1]silent-interface loop 0[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]net[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.12 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]network 192.168.0.16 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]R3<Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 192.168.0.6 30 [Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.18 30 [Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 172.16.1.1 24 [Huawei-GigabitEthernet0/0/0]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.3 32[Huawei-LoopBack0]qui[Huawei]ospf[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.4 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]network 192.168.0.16 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]network 172.16.1.0 0.0.0.255 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]qui[Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ospf c[Huawei-Ethernet0/0/0]ospf cost 10[Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]qui[Huawei]ospf[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 1.1.1.3 0.0.0.0 [Huawei-ospf-1-area-0.0.0.1] User interface con0 is availableR4<Huawei>undo ter mInfo: Current terminal monitor is off.<Huawei>sysEnter system view, return user view with Ctrl+Z. [Huawei]int 0/0/0^Error: Wrong parameter found at '^' position. [Huawei]int e0/0/0[Huawei-Ethernet0/0/0]ip add 182.168.0.14 30[Huawei-Ethernet0/0/0]int e0/0/1[Huawei-Ethernet0/0/1]ip add 192.168.0.10 30[Huawei-Ethernet0/0/1]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 172.16.2.1 24 [Huawei-GigabitEthernet0/0/0]qui[Huawei]inter loop 0[Huawei-LoopBack0]ip add 1.1.1.4 32[Huawei-LoopBack0]qui[Huawei]router id 1.1.1.4[Huawei]ospf[Huawei-ospf-1]area 1[Huawei-ospf-1-area-0.0.0.1]network 192.168.0.12 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]network 192.168.0.8 0.0.0.3 [Huawei-ospf-1-area-0.0.0.1]net 172.16.2.0 0.0.0.255 [Huawei-ospf-1-area-0.0.0.1]net 1.1.1.4 0.0.0.0 [Huawei-ospf-1-area-0.0.0.1]qui[Huawei-ospf-1]qui[Huawei]int e0/0/0[Huawei-Ethernet0/0/0]undo ip add[Huawei-Ethernet0/0/0]ip add 192.168.0.14 30[Huawei-Ethernet0/0/0]。