Write down the configuration information of the router 0 1. Most of the configurations are the same. Pay attention to the configuration of the isis level level of each router port. After the configuration is complete, you can check the configuration information in the routing table.
R0
[1] undo info-center enable // This is the information that other articles know to close the pop-up message to prevent interference.
Info: Information center is disabled.
[1] int g0/0/0
[1-GigabitEthernet0/0/0]ip add 192.168.1.1 30
[1-GigabitEthernet0/0/0]undo shut
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[1-GigabitEthernet0/0/0]int loo0
[1-LoopBack0]ip add 1.1.1.1 32
[1-LoopBack0]qu
[1] isis 110 // Enable IS-IS. If only one IS-IS is enabled, you do not need to set this parameter to 110.
[1-isis-110]network-entity 49.0001.0010.1000.00
[1-isis-110]is
[1-isis-110]is-level level-1 // Select different levels based on the device type.
Info: IS Level Changed, Resetting ISIS...
[1-isis-110]qu
[1] int g0/0/0
[1-GigabitEthernet0/0/0]isis enable 110
[1-GigabitEthernet0/0/0]int loo0
[1-LoopBack0]isis en
[1-LoopBack0]isis enable 110
R1
[R1] undo info-center enable
Info: Information center is disabled.
[R1] int g0/0/0
[R1-GigabitEthernet0/0/0] ip add 192.168.1.2 30
[R1-GigabitEthernet0/0/0]undo shut
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[R1-GigabitEthernet0/0/0]int g0/0/1
[R1-GigabitEthernet0/0/1]undo shutdown
Info: Interface GigabitEthernet0/0/1 is not shutdown.
[R1-GigabitEthernet0/0/1] ip add 192.168.1.5 30
[R1-GigabitEthernet0/0/1]int loo0
[R1-LoopBack0]ip add 2.2.2.2 32
[R1-LoopBack0]qu
[R1] isis 110
[R1-isis-110]network-entity 49.0001.0020.0200.2002.00
[R1-isis-110]is
[R1-isis-110]is-level level-1-2
[R1-isis-110]qu
[R1] int g0/0/0
[R1-GigabitEthernet0/0/0]isis enable 110
[R1-GigabitEthernet0/0/0]isis circuit-level level-1
[R1-GigabitEthernet0/0/0]int g0/0/1 Select a level based on the port.
[R1-GigabitEthernet0/0/1]isis enable 110
[R1-GigabitEthernet0/0/1]isis circuit-level level-2
[R1-GigabitEthernet0/0/1]int loo0
[R1-LoopBack0]isis en