一、要求
客户网络所有路由器路由协议要求启用IS-IS,使全网路由可达。 1.全部IS-IS进程号统一为100, 2.其中R1在Area49.0001区域为DIS,优先级修改为100 3.R4与R5之间要求采用P2P网络类型 4.R5引入直连链路192.168.X.X, 5.要求R1访问Area49.0002走最优路径。 R1能够通过明细路由到达49.0002即可---实现L1-2向L1路由器通告L2的明细 在L1-2设备上进行 路由渗透(L2--->L1)
二、配置
1.接口配置
2.区域配置
[R1]isis 100
[R1-isis-100]network-entity 49.0001.0000.0000.0001.00
[R1-isis-100]is-level level-1
[R]int g0/0/0
[R1-GigabitEhernet0/0/0]isis enable 100
[R2]isis 100
[R2-isis-100]network-entity 49.0001.0000.0000.0002.00
[R2-isis-100]is-level level-1-2
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]isis enable 100
[R2]int g0/0/1
[R2-GigabitEthernet0/0/1]isis enable 100
[R3]isis 100
[R3-isis-100]network-entity 49.0001.0000.0000.0003.00
[R3-isis-100]is-level level-1-2
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]isis enable 100
[R3]int s0/0/0
[R3-Serial0/0/0]isis enable 100
[R4]isis 100
[R4-isis-100]network-entity 49.0002.0000.0000.0004.00
[R4-isis-100]is-level level-2
[R4]int g0/0/1
[R4-GigabitEthernet0/0/1]isis enable 100
[R4]int s0/0/1
[R4-Serial0/0/0]isis enable 100
[R5]isis 100
[R5-isis-100]network-entity 49.0002.0000.0000.0005.00
[R5-isis-100]is-level level-2
[R5]int g0/0/0
[R5-GigabitEthernet0/0/0]isis enable 100
[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]isis enable 100
[R5]int g0/0/2
[R5-GigabitEthernet0/0/2]isis enable 100
[R5]int g0/0/3
[R5-GigabitEthernet0/0/2]isis enable 100
3.修改优先级
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]isis dis-priority 110
4.修改为P2P网络类型
[R4]int g0/0/0
[R4-GigabitEthernet0/0/0]isis circuit-type p2p
[R5]int g0/0/0
[R5-GigabitEthernet0/0/0]isis circuit-type p2p
5.引入直连链路
[R5]isis 100
[R5-isis-100]import-route direct
6.明细路由,路由渗透
[R2]isis 100
[R2-isis-100]import-route isis level-2 into level-1
[R2-isis-100]aut-cost enable //根据接口带宽自动计算开销值
[R3]isis 100
[R3-isis-100]import-route isis level-2 into level-1
[R3-isis-100]aut-cost enable //根据接口带宽自动计算开销值
[R1]isis 100
[R1-isis-100]aut-cost enable //根据接口带宽自动计算开销值
三、测试
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