eNSP: Bidirectional Redirection and Routing Policy Exercise

Experimental requirements:

Topology:

IP, router

r1:

<Huawei>sys
[Huawei]sys r1
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/0]int g 0/0/1
[r1-GigabitEthernet0/0/1]ip add 14.1.1.1 24
[r1-GigabitEthernet0/0/1]int lo0
[r1-LoopBack0]ip add 1.1.1.1 24

[r1]rip
[r1-rip-1]ver 2
[r1-rip-1]net 2.0.0.0
[r1-rip-1]net 1.0.0.0
[r1-rip-1]net 12.0.0.0
[r1-rip-1]net 14.0.0.0

[r1]ip ip-prefix yuan permit 4.4.4.0 24
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]rip metricin ip-prefix yuan 2

[r1]ip ip-prefix zhao permit 23.1.1.0 24
[r1]int g 0/0/1
[r1-GigabitEthernet0/0/1]rip metricin ip-prefix zhao 2

[r1]ip ip-prefix yuan permit 34.1.1.0 24

r2:

<Huawei>sys
[Huawei]sys r2
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[r2-GigabitEthernet0/0/0]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip add 13.1.1.2 24
[r2-GigabitEthernet0/0/1]int lo0
[r2-LoopBack0]ip add 2.2.2.2 24

[r2]rip
[r2-rip-1]ver 2
[r2-rip-1]net 12.0.0.0
[r2-rip-1]net 2.0.0.0

[r2]ospf 1 rou 2.2.2.2
[r2-ospf-1]ar 0
[r2-ospf-1-area-0.0.0.0]net 23.1.1.0 0.0.0.255

[r2]ospf
[r2-ospf-1]import-route rip 
[r2-ospf-1]q
[r2]rip 
[r2-rip-1]import-route ospf 1

[r2-ospf-1]import-route rip type 1

r3:

<Huawei>sys
[Huawei]sys r3
[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]disp this
[r3-GigabitEthernet0/0/0]ip add 23.1.1.1 24
[r3]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 13.1.1.1 24
[r3-GigabitEthernet0/0/1]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24
[r3-GigabitEthernet0/0/1]int lo0
[r3-LoopBack0]ip add 3.3.3.3 24

[r3]ospf 1 rout 3.3.3.3
[r3-ospf-1]ar 0
[r3-ospf-1-area-0.0.0.0]net 3.3.3.3 0.0.0.0
[r3-ospf-1-area-0.0.0.0]net 23.1.1.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]net 34.1.1.0 0.0.0.255

r4:

<Huawei>sy
[Huawei]sys r4
[r4]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip add 14.1.1.2 24
[r4-GigabitEthernet0/0/1]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24
[r4-GigabitEthernet0/0/0]int lo0
[r4-LoopBack0]ip add 4.4.4.4 24

[r4]rip
[r4-rip-1]ver 2
[r4-rip-1]net 14.0.0.0

[r4]ospf 1 rou 4.4.4.4
[r4-ospf-1]ar 0
[r4-ospf-1-area-0.0.0.0]net 4.4.4.4 0.0.0.0
[r4-ospf-1-area-0.0.0.0]net 34.1.1.0 0.0.0.255

[r4]rip
[r4-rip-1]import-route ospf 1
[r4-rip-1]q
[r4]ospf	
[r4-ospf-1]import-route rip

[r4-ospf-1]import-route rip type 1

[r4]int lo0
[r4-LoopBack0]ospf network-type broadcast 

[r4]ip ip-prefix yuan permit 2.2.2.0 24
[r4]ip ip-prefix yuan permit 12.1.1.0 24
[r4]route-policy yuan deny node 10
[r4-route-policy]if-match ip-prefix yuan
[r4-route-policy]q
[r4]route-policy yuan permit node 20
[r4-route-policy]q
[r4]ospf
[r4-ospf-1]import-route rip 1 route-policy yuan 


[r2]ip ip-prefix yuan permit 14.1.1.0 24
[r2]route-policy yuan deny node 10
[r2-route-policy]if-match ip-prefix yuan
[r2-route-policy]q
[r2]route-policy yuan permit node 20
[r2-route-policy]q
[r2]ospf
[r2-ospf-1]import-route rip 1 route-policy yuan