华为之根据ISIS的BGP基础知识配置
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华为BGP基础配置之基于ISIS
1、配置IP
R1配置：
[R1]interface LoopBack 0
[R1-LoopBack0]ip address 1.1.1.1 32
[R1-LoopBack0]quit
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 12.1.1.1 24
[R1-GigabitEthernet0/0/0]quit
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 192.168.1.1 24
[R1-GigabitEthernet0/0/1]quit
R2配置：
[R2]interface LoopBack 0
[R2-LoopBack0]ip address 2.2.2.2 32
[R2-LoopBack0]quit
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 12.1.1.2 24
[R2-GigabitEthernet0/0/0]quit
[R2]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]ip address 23.1.1.2 24
[R2-GigabitEthernet0/0/1]quit
R3配置：
[R3]interface LoopBack 0
[R3-LoopBack0]ip address 3.3.3.3 32
[R3-LoopBack0]quit
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]ip address 23.1.1.3 24
[R3-GigabitEthernet0/0/0]quit
[R3]interface GigabitEthernet 0/0/1
[R3-GigabitEthernet0/0/1]ip address 34.1.1.3 24
[R3-GigabitEthernet0/0/1]quit
R4配置：
[R4]interface LoopBack 0
[R4-LoopBack0]ip address 4.4.4.4 32
[R4-LoopBack0]quit
[R4]interface GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]ip address 34.1.1.4 24
[R4-GigabitEthernet0/0/0]quit
[R4]interface GigabitEthernet 0/0/1
[R4-GigabitEthernet0/0/1]ip address 45.1.1.4 24
[R4-GigabitEthernet0/0/1]quit
R5配置：
[R5]interface LoopBack 0
[R5-LoopBack0]ip address 5.5.5.5 32
[R5-LoopBack0]quit
[R5]interface GigabitEthernet 0/0/0
[R5-GigabitEthernet0/0/0]ip address 45.1.1.5 24
[R5-GigabitEthernet0/0/0]quit
[R5]interface GigabitEthernet 0/0/1
[R5-GigabitEthernet0/0/1]ip address 192.168.2.1 24
[R5-GigabitEthernet0/0/1]quit
2、配置ISIS区域，使用level-1、level-2均可。这里使用level-2
R2配置：
[R2]isis 1
[R2-isis-1]network-entity 49.0001.0000.0000.0002.00 [R2-isis-1]is-level level-2
[R2-isis-1]quit
只开启GE0/0/1和loopback 0的ISIS即可
[R2]interface LoopBack 0
[R2-LoopBack0]isis enable
[R2-LoopBack0]quit
[R2]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]isis enable
[R2-GigabitEthernet0/0/1]quit
R3配置：
[R3]isis 1
[R3-isis-1]network-entity 49.0001.0000.0000.0003.00 [R3-isis-1]is-level level-2
[R3-isis-1]quit
[R3]interface LoopBack 0
[R3-LoopBack0]isis enable
[R3-LoopBack0]quit
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]isis enable
[R3-GigabitEthernet0/0/0]quit
[R3]interface GigabitEthernet 0/0/1
[R3-GigabitEthernet0/0/1]isis enable
[R3-GigabitEthernet0/0/1]quit
R4配置：
[R4]isis 1
[R4-isis-1]network-entity 49.0001.0000.0000.0004.00 [R4-isis-1]quit
[R4]interface LoopBack 0
[R4-LoopBack0]isis enable
[R4-LoopBack0]quit
[R4]interface GigabitEthernet 0/0/0