配置IS-IS基本功能
使用ISIS路由协议实现网络互连
接口IP地址配置:
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip address 12.1.1.1 24
配置类似,不做阐述;
配置ISIS协议:
[r1]isis 1
[r1-isis-1]is-level level-1
[r1-isis-1]network-entity 10.0000.0000.0001.00
[r1-isis-1]quit
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]isis enable 1
[r2]isis 1
[r2-isis-1]is-level level-1-2
[r2-isis-1]network-entity 10.0000.0000.0002.00
[r2-isis-1]quit
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]isis enable 1
[r3]isis 1
[r3-isis-1]is-level level-2
[r3-isis-1]network-entity 10.0000.0000.0002.00
[r3-isis-1]quit
[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]isis enable 1
查看ISIS邻居关系:
[r2]display isis peer(+verbose 详细的信息)
查看ISIS路由信息:
[r2]display isis route(+verbose 详细的信息)
查看ISIS LSDB:
[r2]display isis lsdb (+verbose 详细的信息)
配置ISIS路由聚合:
[r2]isis 1
[r2-isis-1]summary 100.1.0.0 255.255.252.0 level-1-2
修改DIS优先级:
[r1]isis 1
[r1-GigabitEthernet0/0/0]isis dis-priority 100
查看接口DIS优先级生效结果:
[r1]display isis interface