R1: <Huawei>u t m <Huawei>system-view [Huawei]sys [Huawei]sysname r1 [r1]interface GigabitEthernet 0/0/0 [r1-GigabitEthernet0/0/0]ip address 192.168.1.254 24 [r1-GigabitEthernet0/0/0]quit [r1]interface GigabitEthernet 0/0/1 [r1-GigabitEthernet0/0/1]ip address 192.168.11.1 24

[r1]ospf [r1-ospf-1]area 0 [r1-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255 [r1-ospf-1-area-0.0.0.0]network 192.168.11.0 0.0.0.255 R2: <Huawei>u t m <Huawei>system-view [Huawei]sysname r2 [r2]interface GigabitEthernet 0/0/0 [r2-GigabitEthernet0/0/0]ip address 192.168.11.2 24 [r2-GigabitEthernet0/0/0]quit [r2]interface GigabitEthernet 0/0/1 [r2-GigabitEthernet0/0/1]ip address 192.168.12.1 24

[r2]ospf [r2-ospf-1]area 0 [r2-ospf-1-area-0.0.0.0]network 192.168.11.0 0.0.0.255 [r2-ospf-1-area-0.0.0.0]network 192.168.12.0 0.0.0.255 R3: <Huawei>u t m <Huawei>system-view [Huawei]sysname r3 [r3]interface GigabitEthernet 0/0/0 [r3-GigabitEthernet0/0/0]ip address 192.168.12.2 24 [r3-GigabitEthernet0/0/0]q [r3]interface GigabitEthernet 0/0/1 [r3-GigabitEthernet0/0/1]ip address 192.168.13.1 24 [r3]ospf [r3-ospf-1]area 0 [r3-ospf-1-area-0.0.0.0]network 192.168.12.0 0.0.0.255 [r3-ospf-1-area-0.0.0.0]network 192.168.13.0 0.0.0.255 R4: <Huawei>u t m <Huawei>system-view [Huawei]sysname r4 [r4]interface GigabitEthernet 0/0/0 [r4-GigabitEthernet0/0/0]ip address 192.168.13.2 24 [r4-GigabitEthernet0/0/0]quit [r4]interface GigabitEthernet 0/0/1 [r4-GigabitEthernet0/0/1]ip address 192.168.2.254 24

[r4]ospf [r4-ospf-1]area 0 [r4-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255 [r4-ospf-1-area-0.0.0.0]network 192.168.13.0 0.0.0.255