ospf2 two-point two-way republish (question 2)

实验题目

 

拓扑图：

 实验分析：

如拓扑IP地址分配,左边为RIP,右边为OSPF area0
2,2,2,2和4.4.4.4环回可能会存在32位掩码和24位掩码的路由,所以进环回接口,将环回接口改为broadcast类型
备份路径需将某些路由的Cost值修改在ASBR上进行即可,路由回馈在OSPF中已经解决
防止出现环路,将ASBR上面的直连接口重发布入RIP和OSPF区域
最后添加路由规则

R1:

[Huawei]sysname r1
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 255.255.255.0
[r1-GigabitEthernet0/0/0]int g0/0/1
[r1-GigabitEthernet0/0/1]ip add 14.1.1.1 255.255.255.0
[r1-GigabitEthernet0/0/1]int l0
[r1-LoopBack0]ip add 1.1.1.1 255.255.255.0
[r1-LoopBack0]int l1
[r1-LoopBack1]ip add 172.16.1.1 24
[r1-LoopBack1]int l2
[r1-LoopBack2]ip add 172.16.2.1 24
[r1-LoopBack2]int l3
[r1-LoopBack3]ip add 172.16.4.1 24
[r1-LoopBack3]rip 1
[r1-rip-1]version 2
[r1-rip-1]network 12.0.0.0
[r1-rip-1]network 1.0.0.0 
[r1-rip-1]network 14.0.0.0
[r1-rip-1]network 172.16.0.0 
[r1-rip-1]q
[r1]ip ip-prefix 23 permit 23.1.1.0 24
[r1]int g0/0/01
[r1-GigabitEthernet0/0/1]rip metricout ip-prefix 23 2
[r1-GigabitEthernet0/0/1]q
[r1]ip ip-prefix 4 permit 4.4.4.0 24
[r1]ip ip-prefix 43 permit 43.1.1.0 24
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]rip metricin ip-prefix 4 2
[r1-GigabitEthernet0/0/0]rip metricin ip-prefix 43 2

R2:

[Huawei]sysname r2
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 255.255.255.0 
[r2-GigabitEthernet0/0/0]int g0/0/1
[r2-GigabitEthernet0/0/1]ip add 23.1.1.2 255.255.255.0
[r2-GigabitEthernet0/0/1]int l0
[r2-LoopBack0]ip add 2.2.2.2 255.255.255.0
[r2-LoopBack0]ospf network-type broadcast 
[r2-LoopBack0]osfp 1
[r2-LoopBack0]q
[r2]ospf 1
[r2-ospf-1]area 0  
[r2-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[r2-ospf-1-area-0.0.0.0]q
[r2-ospf-1]import-route direct 
[r2-ospf-1]import-route rip 1
[r2-ospf-1]rip 1
[r2-rip-1]version 2    
[r2-rip-1]network 12.0.0.0
[r2-rip-1]network 2.0.0.0 
[r2-rip-1]import-route direct 
[r2-rip-1]import-route ospf 1
[r2-rip-1]q
[r2]ip ip-prefix 5 permit 4.4.4.0 24
[r2]ip ip-prefix 6 permit 43.1.1.0 24
[r2]ip ip-prefix 1 permit 172.16.1.0 24
[r2]ip ip-prefix 2 permit 172.16.2.0 24
[r2]ip ip-prefix 3 permit 172.16.3.0 24
[r2]ip ip-prefix 4 permit 172.16.4.0 24
[r2]route-policy haha deny node 10
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 1
[r2-route-policy]route-policy haha per              
[r2-route-policy]q                  
[r2]route-policy haha permit  node
[r2]route-policy haha permit  node 20
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 2            
[r2-route-policy]apply cost-type type-1
[r2-route-policy]route-policy haha permit node 30
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 3
[r2-route-policy]apply cost 6
[r2-route-policy]route-policy haha permit node 40
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 4
[r2-route-policy]apply cost 9
[r2-route-policy]apply cost-type type-1
[r2-route-policy]route-policy haha permit node 50
Info: New Sequence of this List.
[r2-route-policy]route-policy haha permit node 15
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 5
[r2-route-policy]apply cost-type type-1
[r2-route-policy]route-policy haha permit node 25
Info: New Sequence of this List.
[r2-route-policy]if-match ip-prefix 6
[r2-route-policy]apply cost-type type-1
[r2-route-policy]q
[r2]ospf 1
[r2-ospf-1]import-route rip 1 route-policy haha

R3:

[Huawei]sysname r3
[r3]ospf 1
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 3.3.3.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network 43.1.1.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]int g0/0/0

R4:

[Huawei]sysname r4
[r4]int g0/0/0 
[r4-GigabitEthernet0/0/0]ip add 14.1.1.4 255.255.255.0
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip add 43.1.1.4 255.255.255.0
[r4-GigabitEthernet0/0/1]int l0
[r4-LoopBack0]ip add 4.4.4.4 255.255.255.0
[r4-LoopBack0]ospf network-type broadcast 
[r4-LoopBack0]rip 1
[r4-rip-1]version 2
[r4-rip-1]network 14.0.0.0
[r4-rip-1]import-route direct
[r4-rip-1]import-route ospf 1
[r4-rip-1]q
[r4]ip ip-prefix 5 permit 23.1.1.0 24
[r4]ip ip-prefix 6 permit 2.2.2.0 24
[r4]ip ip-prefix 1 permit 172.16.1.0 24
[r4]ip ip-prefix 2 permit 172.16.2.0 24
[r4]ip ip-prefix 3 permit 172.16.3.0 24
[r4]ip ip-prefix 4 permit 172.16.4.0 24
[r4]route-policy haha deny node 10
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 1
[r4-route-policy]route-policy haha permit node 20
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 2
[r4-route-policy]apply cost-type type-1
[r4-route-policy]route-policy haha permit node 30
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 3
[r4-route-policy]apply cost 6
[r4-route-policy]route-policy haha permit node 40
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 4
[r4-route-policy]apply cost 9
[r4-route-policy]apply cost-type type-1
[r4-route-policy]route-policy haha permit node 50
Info: New Sequence of this List.
[r4-route-policy]route-policy haha permit node 15
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 5
[r4-route-policy]apply cost-type type-1
[r4-route-policy]route-policy haha permit node 25
Info: New Sequence of this List.
[r4-route-policy]if-match ip-prefix 6
[r4-route-policy]apply cost-type type-1
[r4-route-policy]q
[r4]ospf 1
[r4-ospf-1]import-route rip 1 route-policy haha

实验验证：

双向重发布
通过RIP学到的路由

 R3通过OSPF学到的路由

 R3学到的路由