1.R1配置ISIS
[R1]isis 1
[R1-isis-1]network-entity 49.0001.0000.0000.1111.00
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]isis enable 1
[R1]interface Serial 1/0/0
[R1-Serial1/0/0]isis enable 1
[R1]interface LoopBack 0
[R1-LoopBack0]isis enable 1
2.R2配置ISIS
[R2]isis 1
[R2-isis-1]network-entity 49.0001.0000.0000.2222.00
[R2]interface LoopBack 0
[R2-LoopBack0]isis enable 1
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]isis enable 1
[R2]interface Serial 1/0/0
[R2-Serial1/0/0]isis enable 1
3.R3配置ISIS
[R3]isis 1
[R3]interface LoopBack 0
[R3-LoopBack0]isis enable 1
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]isis enable 1
[R3]interface GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2]isis enable 1
4.R4配置ISIS
[R4]isis 1
[R4-isis-1]network-entity 49.0001.0000.0000.4444.00
[R4]interface LoopBack 0
[R4-LoopBack0]isis enable 1
[R4]interface GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]isis enable 1
[R4]interface GigabitEthernet 0/0/1
[R4-GigabitEthernet0/0/1]isis enable 1
5.R5配置ISIS
[R5]isis 1
[R5-isis-1]network-entity 49.0002.0000.0000.5555.00
[R5]interface LoopBack 0
[R5-LoopBack0]isis enable 1
[R5]interface GigabitEthernet 0/0/0
[R5-GigabitEthernet0/0/0]isis enable 1
[R5]interface GigabitEthernet 0/0/1
[R5-GigabitEthernet0/0/1]isis enable 1
[R5]interface GigabitEthernet 0/0/2
[R5-GigabitEthernet0/0/2]isis enable 1
6.R6配置ISIS
[R6]isis 1
[R6-isis-1]network-entity 49.0003.0000.0000.6666.00
[R6]interface LoopBack 0
[R6-LoopBack0]isis e
[R6-LoopBack0]isis enable 1
[R6-LoopBack0]quit
[R6]int
[R6]interface g
[R6]interface GigabitEthernet 0/0/0
[R6-GigabitEthernet0/0/0]isis enable 1
[R6]interface GigabitEthernet 0/0/1
[R6-GigabitEthernet0/0/1]isis enable 1
[R6]interface LoopBack 0
[R6-LoopBack0]isis enable 1
7.R7配置ISIS
[R7]isis 1
[R7-isis-1]network-entity 49.0003.0000.0000.7777.00
[R7]interface LoopBack 0
[R7-LoopBack0]isis enable 1
[R7]interface GigabitEthernet 0/0/1
[R7-GigabitEthernet0/0/1]isis enable 1
8.R6查看路由
<R6>display ip routing-table protocol isis
1.1.1.1/32 ISIS-L2 15 30 D 56.1.1.5 GigabitEthernet0/0/0
2.2.2.2/32 ISIS-L2 15 30 D 56.1.1.5 GigabitEthernet0/0/0
3.3.3.3/32 ISIS-L2 15 20 D 56.1.1.5 GigabitEthernet0/0/0
4.4.4.4/32 ISIS-L2 15 20 D 56.1.1.5 GigabitEthernet0/0/0
5.5.5.5/32 ISIS-L2 15 10 D 56.1.1.5 GigabitEthernet0/0/0
7.7.7.7/32 ISIS-L1 15 10 D 67.1.1.7 GigabitEthernet0/0/1
12.1.1.0/30 ISIS-L2 15 40 D 56.1.1.5 GigabitEthernet0/0/0
13.0.0.0/8 ISIS-L2 15 30 D 56.1.1.5 GigabitEthernet0/0/0
24.0.0.0/8 ISIS-L2 15 30 D 56.1.1.5 GigabitEthernet0/0/0
35.0.0.0/8 ISIS-L2 15 20 D 56.1.1.5 GigabitEthernet0/0/0
45.0.0.0/8 ISIS-L2 15 20 D 56.1.1.5 GigabitEthernet0/0/0
9.R5 ISIS引入直连路由
[R5]isis 1
[R5-isis-1] import-route direct
10.R6查看路由(R5两条直连路由被引入)
<R6>display ip routing-table protocol isis
5.5.1.1/32 ISIS-L2 15 74 D 56.1.1.5 GigabitEthernet0/0/0
5.5.2.1/32 ISIS-L2 15 74 D 56.1.1.5 GigabitEthernet0/0/0
11.方法1:利用ACL匹配路由,用filter-policy过滤一条路由
[R5]acl 2000
[R5-acl-basic-2000]rule permit source 5.5.1.1 0
[R5]isis 1
[R5-isis-1]filter-policy 2000 export
12.R6查看路由
<R6>display ip routing-table protocol isis
5.5.1.1/32 ISIS-L2 15 74 D 56.1.1.5 GigabitEthernet0/0/0
13.方法2:利用ip-prefix匹配路由,利用filter-policy过滤一条路由
[R5-isis-1]undo filter-policy 2000 export
[R5]ip ip-prefix dsrw index 10 permit 5.5.2.1 32
[R5-isis-1]filter-policy ip-prefix dsrw export
14.R6查看路由
<R6>display ip routing-table protocol isis
5.5.2.1/32 ISIS-L2 15 74 D 56.1.1.5 GigabitEthernet0/0/0
15.方法3:利用利用ACL匹配路由,利用router-policy过滤一条路由
[R5-isis-1]undo filter-policy ip-prefix dsrw export
[R5]acl 2001
[R5-acl-basic-2001]rule permit source 5.5.1.1 0
[R5]route-policy dsrw permit node 10
[R5-route-policy]if-match acl 2001
[R5-isis-1]undo import-route direct
[R5-isis-1]import-route direct route-policy dsrw
//route-policy缺省是不允许所有
//filter-policy匹配route-policy只能用作于路由入向
16.R6查看路由
<R6>display ip routing-table protocol isis
5.5.1.1/32 ISIS-L2 15 74 D 56.1.1.5 GigabitEthernet0/0/0
17.R2配置OSPF,引入ISIS
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]are
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 2.2.1.1 0.0.0.0
[R2]isis 1
[R2-isis-1]import-route ospf 1
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