接下来配置IP、ospf、rip、重发布
[r1]int loo0
[r1-LoopBack0]ip add 1.1.1.1 24
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/1]ip add 41.1.1.2 24
[r2]int loo0
[r2-LoopBack0]ip add 2.2.2.1 24
[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[r2-GigabitEthernet0/0/1]ip add 23.1.1.1 24
[r3-LoopBack0]ip add 3.3.3.1 24
[r3-GigabitEthernet0/0/0]ip add 23.1.1.2 24
[r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24
[r4]int loo0
[r4-LoopBack0]ip add 4.4.4.1 24
[r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24
[r4-GigabitEthernet0/0/1]ip add 41.1.1.1 24
[r1]rip 1
[r1-rip-1]undo summary
[r1-rip-1]version 2
[r1-rip-1]network 1.0.0.0
[r1-rip-1]network 12.0.0.0
[r1-rip-1]network 41.0.0.0
[r2]rip 1
[r2-rip-1]undo summary
[r2-rip-1]ve 2
[r2-rip-1]network 2.0.0.0
[r2-rip-1]network 12.0.0.0
[r2-rip-1]q
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]network 23.1.1.1 0.0.0.0
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 3.3.3.1 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 23.1.1.2 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 34.1.1.1 0.0.0.0
[r4-rip-1]version 2
[r4-rip-1]network 41.0.0.0
[r4-rip-1]q
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]a 0
[r4-ospf-1-area-0.0.0.0]network 4.4.4.1 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 34.1.1.2 0.0.0.0
[r4-ospf-1]import-route rip 1 route-policy rip1
[r4-rip-1]import-route ospf 1 route-policy ospf1
[r2-rip-1]import-route ospf 1 route-policy ospf2
[r2-ospf-1]import-route rip 1 route-policy rip2
最佳选路
[r4]route-policy rip1 permit node 10
[r4-route-policy]if-match ip-prefix a
[r4-route-policy]apply cost 170
[r4]route-policy rip1 permit node 20
[r4-route-policy]if-match ip-prefix b
[r4-route-policy]apply cost 170
[r4]route-policy ospf1 permit node 10
[r4-route-policy]if-match ip-prefix c
[r4-route-policy]apply cost 170
[r4]ip ip-prefix a index 10 permit 12.1.1.0 24
[r4]ip ip-prefix b index 10 permit 2.2.2.0 24
[r4]ip ip-prefix c index 10 permit 23.1.1.0 24
[r2]route-policy ospf2 permit node 10
[r2-route-policy]if-match ip-prefix a
[r2-route-policy]apply cost 170
[r2]route-policy ospf2 permit node 20
[r2-route-policy]if-match ip-prefix b
[r2-route-policy]apply cost 170
[r2]route-policy rip2 permit node 10
[r2-route-policy]if-match ip-prefix c
[r2-route-policy]apply cost 170
[r2-route-policy]
[r2]route-policy rip2 permit node 20
[r2]ip ip-prefix a index 10 permit 34.1.1.0 24
[r2]ip ip-prefix b index 10 permit 4.4.4.0 24
[r2]ip ip-prefix c index 10 permit 41.1.1.0 24
看一下路由表
