拓扑图如下：（1）R1的配置<Huawei>sysEnter system view, return user view with Ctrl+Z.[Huawei]sysname R1Oct 22 20
.
拓扑图如下：
（1）R1的配置
<Huawei>sysEnter system view, return user view with Ctrl+Z.[Huawei]sysname R1Oct 22 2019 17:37:56-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 1, the change loop count is 0, and the maximum number of records is 4095.[R1]int g0/0/0[R1-GigabitEthernet0/0/0]ip add 12.0.0.1 24Oct 22 2019 17:38:21-08:00 R1 %%01IFNET/4/LINK_STATE(l)[2]:The line protocol IP on the interface GigabitEthernet0/0/0 has entered the UP state.[R1-GigabitEthernet0/0/0]un shInfo: Interface GigabitEthernet0/0/0 is not shutdown.[R1-GigabitEthernet0/0/0]Oct 22 2019 17:38:26-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 2, the change loop count is 0, and the maximum number of records is 4095.[R1-GigabitEthernet0/0/0]int g0/0/1[R1-GigabitEthernet0/0/1]ip add 13.0.0.1 24Oct 22 2019 17:38:48-08:00 R1 %%01IFNET/4/LINK_STATE(l)[3]:The line protocol IP on the interface GigabitEthernet0/0/1 has entered the UP state.[R1-GigabitEthernet0/0/1]un shInfo: Interface GigabitEthernet0/0/1 is not shutdown.[R1-GigabitEthernet0/0/1]Oct 22 2019 17:38:56-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 3, the change loop count is 0, and the maximum number of records is 4095.[R1-GigabitEthernet0/0/1]int loo 0Oct 22 2019 17:39:06-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 4, the change loop count is 0, and the maximum number of records is 4095.[R1-LoopBack0]ip add 1.1.1.1 32[R1-LoopBack0]qOct 22 2019 17:39:26-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 5, the change loop count is 0, and the maximum number of records is 4095.[R1]dis ip int b*down: administratively down!down: FIB overload down^down: standby(l): loopback(s): spoofing(d): Dampening SuppressedThe number of interface that is UP in Physical is 4The number of interface that is DOWN in Physical is 8The number of interface that is UP in Protocol is 4The number of interface that is DOWN in Protocol is 8Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 12.0.0.1/24 up up GigabitEthernet0/0/1 13.0.0.1/24 up up GigabitEthernet0/0/2 unassigned down down GigabitEthernet0/0/3 unassigned down down LoopBack0 1.1.1.1/32 up up(s) NULL0 unassigned up up(s) Serial0/0/0 unassigned down down Serial0/0/1 unassigned down down Serial0/0/2 unassigned down down Serial0/0/3 unassigned down down [R1] User interface con0 is availabl[R1]ip route-static 3.3.3.3 32 13.0.0.3[R1]ip route-static 3.3.3.3 32 12.0.0.2[R1]ip route-static 2.2.2.2 32 13.0.0.3[R1]ip route-static 2.2.2.2 32 12.0.0.2[R1]ip route-static 23.0.0.0 24 13.0.0.3[R1]ip route-static 23.0.0.0 24 12.0.0.2[R1]Oct 22 2019 18:32:59-08:00 R1 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 11, the change loop count is 0, and the maximum number of records is 4095.[R1] User interface con0 is available[R1]dis ip routing-table Route Flags: R - relay, D - download to fib------------------------------------------------------------------------------Routing Tables: Public Destinations : 10 Routes : 13 Destination/Mask Proto Pre Cost Flags NextHop Interface 1.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0 2.2.2.2/32 Static 60 0 RD 13.0.0.3 GigabitEthernet0/0/1 Static 60 0 RD 12.0.0.2 GigabitEthernet0/0/0 3.3.3.3/32 Static 60 0 RD 13.0.0.3 GigabitEthernet0/0/1 Static 60 0 RD 12.0.0.2 GigabitEthernet0/0/0 12.0.0.0/24 Direct 0 0 D 12.0.0.1 GigabitEthernet0/0/0 12.0.0.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/0 13.0.0.0/24 Direct 0 0 D 13.0.0.1 GigabitEthernet0/0/1 13.0.0.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1 23.0.0.0/24 Static 60 0 RD 13.0.0.3 GigabitEthernet0/0/1 Static 60 0 RD 12.0.0.2 GigabitEthernet0/0/0 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0[R1]（2）R2的配置
<Huawei>sysEnter system view, return user view with Ctrl+Z.[Huawei]sys [Huawei]sysname R2[R2][R2]int gOct 22 2019 17:39:56-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 1, the change loop count is 0, and the maximum number of records is [R2]int g0/0/0[R2-GigabitEthernet0/0/0]ip add 12.0.0.2 24[R2-GigabitEthernet0/0/0]Oct 22 2019 17:40:32-08:00 R2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP on the interface GigabitEthernet0/0/0 has entered the UP state.[R2-GigabitEthernet0/0/0]un shInfo: Interface GigabitEthernet0/0/0 is not shutdown.[R2-GigabitEthernet0/0/0]Oct 22 2019 17:40:36-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 2, the change loop count is 0, and the maximum number of records is 4095.[R2-GigabitEthernet0/0/0]int g0/0/2[R2-GigabitEthernet0/0/2]ip add 23.0.0.2 24[R2-GigabitEthernet0/0/2]Oct 22 2019 17:40:54-08:00 R2 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP on the interface GigabitEthernet0/0/2 has entered the UP state.[R2-GigabitEthernet0/0/2]uOct 22 2019 17:40:56-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 3, the change loop count is 0, and the maximum number of records is 4095.n shInfo: Interface GigabitEthernet0/0/2 is not shutdown.[R2-GigabitEthernet0/0/2][R2-GigabitEthernet0/0/2]int loo 0[R2-LoopBack0]ipOct 22 2019 17:41:06-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 4, the change loop count is 0, and the maximum number of records is 4095. ^Error:Incomplete command found at '^' position.[R2-LoopBack0]ip add 2.2.2.2 32[R2-LoopBack0]q[R2]dis ip int b*down: administratively down!down: FIB overload down^down: standby(l): loopback(s): spoofing(d): Dampening SuppressedThe number of interface that is UP in Physical is 4The number of interface that is DOWN in Physical is 8The number of interface that is UP in Protocol is 4The number of interface that is DOWN in Protocol is 8Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 12.0.0.2/24 up up GigabitEthernet0/0/1 unassigned down down GigabitEthernet0/0/2 23.0.0.2/24 up up GigabitEthernet0/0/3 unassigned down down LoopBack0 2.2.2.2/32 up up(s) NULL0 unassigned up up(s) Serial0/0/0 unassigned down down Serial0/0/1 unassigned down down Serial0/0/2 unassigned down down Serial0/0/3 unassigned down down [R2]Oct 22 2019 17:41:26-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 5, the change loop count is 0, and the maximum number of records is 4095.[R2][R2]ip route-static 1.1.1.1 32 12.0.0.1[R2]ip route-static 1.1.1.1 32 23.0.0.3[R2]ip route-static 3.3.3.3 32 12.0.0.1[R2]ip route-static 3.3.3.3 32 23.0.0.3[R2]ip route-static 13.0.0.0 24 23.0.0.3[R2]ip route-static 13.0.0.0 24 12.0.0.1[R2]Oct 22 2019 18:33:18-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 11, the change loop count is 0, and the maximum number of records is 4095.[R2][R2] User interface con0 is available[R2]dis ip routing-table Route Flags: R - relay, D - download to fib------------------------------------------------------------------------------Routing Tables: Public Destinations : 10 Routes : 13 Destination/Mask Proto Pre Cost Flags NextHop Interface 1.1.1.1/32 Static 60 0 RD 12.0.0.1 GigabitEthernet0/0/0 Static 60 0 RD 23.0.0.3 GigabitEthernet0/0/2 2.2.2.2/32 Direct 0 0 D 127.0.0.1 LoopBack0 3.3.3.3/32 Static 60 0 RD 12.0.0.1 GigabitEthernet0/0/0 Static 60 0 RD 23.0.0.3 GigabitEthernet0/0/2 12.0.0.0/24 Direct 0 0 D 12.0.0.2 GigabitEthernet0/0/0 12.0.0.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/0 13.0.0.0/24 Static 60 0 RD 23.0.0.3 GigabitEthernet0/0/2 Static 60 0 RD 12.0.0.1 GigabitEthernet0/0/0 23.0.0.0/24 Direct 0 0 D 23.0.0.2 GigabitEthernet0/0/2 23.0.0.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/2 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0[R2]（3）R3的配置
<R3>sysEnter system view, return user view with Ctrl+Z.[R3]int g0/0/1[R3-GigabitEthernet0/0/1]ip add 13.0.0.3 24[R3-GigabitEthernet0/0/1]Oct 22 2019 18:31:33-08:00 R3 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP on the interface GigabitEthernet0/0/1 has entered the UP state.[R3-GigabitEthernet0/0/1]un shInfo: Interface GigabitEthernet0/0/1 is not shutdown.[R3-GigabitEthernet0/0/1][R3-GigabitEthernet0/0/1]Oct 22 2019 18:31:39-08:00 R3 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 2, the change loop count is 0, and the maximum number of records is 4095.[R3-GigabitEthernet0/0/1]int g0/0/2[R3-GigabitEthernet0/0/2]ip add 23.0.0.3 24[R3-GigabitEthernet0/0/2]Oct 22 2019 18:31:55-08:00 R3 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP on the interface GigabitEthernet0/0/2 has entered the UP state.Oct 22 2019 18:31:59-08:00 R3 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 3, the change loop count is 0, and the maximum number of records is 4095.[R3-GigabitEthernet0/0/2]un shInfo: Interface GigabitEthernet0/0/2 is not shutdown.[R3-GigabitEthernet0/0/2][R3-GigabitEthernet0/0/2][R3-GigabitEthernet0/0/2]q[R3]dis ip int b*down: administratively down!down: FIB overload down^down: standby(l): loopback(s): spoofing(d): Dampening SuppressedThe number of interface that is UP in Physical is 3The number of interface that is DOWN in Physical is 8The number of interface that is UP in Protocol is 3The number of interface that is DOWN in Protocol is 8Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 unassigned down down GigabitEthernet0/0/1 13.0.0.3/24 up up GigabitEthernet0/0/2 23.0.0.3/24 up up GigabitEthernet0/0/3 unassigned down down NULL0 unassigned up up(s) Serial0/0/0 unassigned down down Serial0/0/1 unassigned down down Serial0/0/2 unassigned down down Serial0/0/3 unassigned down down [R3][R3]ip route-static 1.1.1.1 32 13.0.0.1[R3]ip route-static 1.1.1.1 32 23.0.0.2[R3]ip route-static 2.2.2.2 32 13.0.0.1[R3]ip route-static 2.2.2.2 32 23.0.0.2[R3]ip route-static 12.0.0.0 24 23.0.0.2[R3]ip route-static 12.0.0.0 24 13.0.0.1[R3]dis ip routing-table Route Flags: R - relay, D - download to fib------------------------------------------------------------------------------Routing Tables: Public Destinations : 9 Routes : 12 Destination/Mask Proto Pre Cost Flags NextHop Interface 1.1.1.1/32 Static 60 0 RD 13.0.0.1 GigabitEthernet0/0/1 Static 60 0 RD 23.0.0.2 GigabitEthernet0/0/2 2.2.2.2/32 Static 60 0 RD 13.0.0.1 GigabitEthernet0/0/1 Static 60 0 RD 23.0.0.2 GigabitEthernet0/0/2 12.0.0.0/24 Static 60 0 RD 23.0.0.2 GigabitEthernet0/0/2 Static 60 0 RD 13.0.0.1 GigabitEthernet0/0/1 13.0.0.0/24 Direct 0 0 D 13.0.0.3 GigabitEthernet0/0/1 13.0.0.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1 23.0.0.0/24 Direct 0 0 D 23.0.0.3 GigabitEthernet0/0/2 23.0.0.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/2 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0[R3]