HCIP第九天_BGP实验

1、实验要求

按照拓扑图要求配置

2、实验拓扑

3、分析过程

1、IP配置
2、R1与R2、R4与R5之间的静态
3、AS2内的动态路由配置
4、AS1（R1）与AS2（R2）的EBGP关系的建立
5、AS2（R2、R3、R4）内部IBGP关系的建立
6、AS3（R5）与AS2（R4）的EBGP关系的建立
7、最后在R1和R5上添加一个环回，宣告到BGP中，用来测试

4、配置内容

R1：

[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1]int l0
[r1-LoopBack0]ip add 1.1.1.1 24
[r1]ip route-static 2.2.2.0 24 12.1.1.2
[r1]bgp 1
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 2.2.2.2 as-number 2
[r1-bgp]peer 2.2.2.2 connect-interface LoopBack 0
[r1-bgp]peer 2.2.2.2 ebgp-max-hop 2
[r1]int l1
[r1-LoopBack1]ip add 192.168.1.1 24
[r1]bgp 1
[r1-bgp]network 192.168.1.0 24

R2：

[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[r2-GigabitEthernet0/0/0]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip add 23.1.1.2 24
[r2]in l0
[r2-LoopBack0]ip add 2.2.2.2 24
[r2]ip route-static 1.1.1.0 24 12.1.1.1
[r2]rip 1
[r2-rip-1]version 2
[r2-rip-1]network 2.0.0.0
[r2-rip-1]network 23.0.0.0
[r2]bgp 2
[r2-bgp]rou
[r2-bgp]route-select
[r2-bgp]router-id 2.2.2.2
[r2-bgp]peer 1.1.1.1 as-number 1
[r2-bgp]peer 1.1.1.1 connect-interface LoopBack 0
[r2-bgp]peer 1.1.1.1 ebgp-max-hop 2
[r2-bgp]peer 3.3.3.3 as-number 2
[r2-bgp]peer 3.3.3.3 connect-interface LoopBack 0
[r2-bgp]peer 3.3.3.3 next-hop-local
[r2-bgp]peer 4.4.4.4 as-number 2
[r2-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r2-bgp]peer 4.4.4.4 next-hop-local

R3：

[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip add 23.1.1.3 24
[r3-GigabitEthernet0/0/0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 34.1.1.3 24
[r3]int l0
[r3-LoopBack0]ip add 3.3.3.3 24
[r3]rip 1
[r3-rip-1]version 2
[r3-rip-1]network 3.0.0.0
[r3-rip-1]network 23.0.0.0
[r3-rip-1]network 34.0.0.0
[r3]bgp 2
[r3-bgp]peer 2.2.2.2 as-number 2
[r3-bgp]peer 2.2.2.2 connect-interface LoopBack 0
[r3-bgp]peer 2.2.2.2 next-hop-local
[r3-bgp]peer 4.4.4.4 as-number 2
[r3-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r3-bgp]peer 4.4.4.4 next-hop-local

R4：

[r4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip add 34.1.1.4 24
[r4-GigabitEthernet0/0/0]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip add 45.1.1.4 24
[r4-GigabitEthernet0/0/1]int g 0/0/2
[r4-GigabitEthernet0/0/2]ip add 54.1.1.4 24
[r4]int l0
[r4-LoopBack0]ip add 4.4.4.4 24
[r4]rip 1
[r4-rip-1]version 2
[r4-rip-1]network 4.0.0.0
[r4-rip-1]network 34.0.0.0
[r4]ip route-static 5.5.5.0 24 45.1.1.5
[r4]ip route-static 5.5.5.0 24 54.1.1.5
[r4]bgp 2
[r4-bgp]peer 2.2.2.2 as-number 2
[r4-bgp]peer 2.2.2.2 connect-interface LoopBack 0
[r4-bgp]peer 2.2.2.2 next-hop-local
[r4-bgp]peer 3.3.3.3 as-number2
[r4-bgp]peer 3.3.3.3 connect-interface LoopBack 0
[r4-bgp]peer 3.3.3.3 next-hop-local
[r4-bgp]peer 5.5.5.5 as-number 3
[r4-bgp]peer 5.5.5.5 connect-interface LoopBack 0
[r4-bgp]peer 5.5.5.5 ebgp-max-hop 2

R5：

[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip add 45.1.1.5 24
[r5-GigabitEthernet0/0/0]int g 0/0/1
[r5-GigabitEthernet0/0/1]ip add 54.1.1.5 24
[r5]int l0
[r5-LoopBack0]ip add 5.5.5.5 24
[r5]ip route-static 4.4.4.0 24 45.1.1.4
[r5]ip route-static 4.4.4.0 24 54.1.1.4
[r5]bgp 3
[r5-bgp]peer 4.4.4.4 as-number 2
[r5-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r5-bgp]peer 4.4.4.4 ebgp-max-hop 2
[r5]int l1
[r5-LoopBack1]ip add 192.168.2.1 24
[r5]bgp 3
[r5-bgp]network 192.168.2.0 24

5、结果验证

R2的邻居：

R3的邻居：

R4的邻居：

R1学到的路由：

R5学到的路由：