本文主要是介绍HCIP第九天作业，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
一、子网划分
将172.16.0.0/16的网段划分为172.16.0.0/24的多个网段，因为在实际工程当中，24的网段更符合用户网段，因此先将网段划分为172.16.0.0 /24的多个子网掩码为24的网段，再将172.16.0.0/24的多个网段进行划分，将172.16.0.0/24的网段用于P2P网络当中，将172.16.1.0/24的网段用于MA网络当中，每个路由器的环回接口都使用一个子网掩码为24的网段。
172.16.0.0/16
172.16.0.0/24 ---P2P网络
172.16.1.0/24 ---MA网络
172.16.1.0/29
172.16.1.8/29
172.16.1.16/29
172.16.1.24/29
172.16.1.32/29
172.16.1.40/29
172.16.2.0/24 ---R2环回
172.16.3.0/24 ---R3环回
172.16.4.0/24 ---R4环回
172.16.5.0/24 ---R5环回
172.16.6.0/24 ---R6环回
172.16.7.0/24 ---R7环回
二、给所有路由器配置IP地址
R1
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip a 12.0.0.1 24
[r1-GigabitEthernet0/0/0]int lo0
[r1-LoopBack0]ip a 192.168.1.1 24
[r1-LoopBack0]int lo1
[r1-LoopBack1]ip a 10.0.0.1 24
R2
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip a 12.0.0.2 24
[r2-GigabitEthernet0/0/0]int lo0
[r2-LoopBack0]ip a 172.16.2.1 24
[r2]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip a 172.16.1.1 29
[r2-GigabitEthernet0/0/1]int g0/0/2
[r2-GigabitEthernet0/0/2]ip a 172.16.1.9 29
R3
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip a 172.16.1.2 29
[r3-GigabitEthernet0/0/0]int lo0
[r3-LoopBack0]ip a 172.16.3.1 24
[r3-LoopBack0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip a 172.16.1.17 29
R4
[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip a 172.16.1.18 29
[r4-GigabitEthernet0/0/0]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip a 172.16.1.25 29
[r4-GigabitEthernet0/0/1]int lo0
[r4-LoopBack0]ip a 172.16.4.1 24
R5
[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip a 172.16.1.10 29
[r5-GigabitEthernet0/0/0]int g 0/0/1
[r5-GigabitEthernet0/0/1]ip a 172.16.1.133 29
[r5-GigabitEthernet0/0/1]int lo0
[r5-LoopBack0]ip a 172.16.5.1 24
R6
[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip a 172.16.1.34 29
[r6-GigabitEthernet0/0/0]int lo0
[r6-LoopBack0]ip a 172.16.6.1 24
[r6-LoopBack0]int g0/0/1
[r6-GigabitEthernet0/0/1]ip a 172.16.1.41 29
R7
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip a 172.16.1.42 29
[r7-GigabitEthernet0/0/0]int lo0
[r7-LoopBack0]ip a 172.16.7.1 24
[r7-LoopBack0]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip a 172.16.1.26 29
[r7-GigabitEthernet0/0/1]int g 0/0/2
[r7-GigabitEthernet0/0/2]ip a 78.0.0.1 24
R8
[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip a 78.0.0.2 24
[r8-GigabitEthernet0/0/0]int lo0
[r8-LoopBack0]ip a 192.168.2.1 24
[r8-LoopBack0]int lo1
[r8-LoopBack1]ip a 11.0.0.1 24
三、启用ospf协议
R2
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
R3
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]a 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
R4
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]a 0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
R5
[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]a 0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
R6
[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]a 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
R7
[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]a 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
四、对所有设备启用BGP协议，并进行对等体的建立
R1
[r1]bgp 1
[r1-bgp]route-select
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.0.0.2 as 2
R2
[r2]bgp 64512
[r2-bgp]route-select
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 2
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 12.0.0.1 as 1
[r2-bgp]peer 172.16.3.1 as 64512
[r2-bgp]peer 172.16.3.1 connect-interface LoopBack 0
[r2-bgp]peer 172.16.5.1 as 64513
[r2-bgp]peer 172.16.5.1 connect-interface LoopBack 0
[r2-bgp]peer 172.16.5.1 ebgp-max-hop 2
[r2-bgp]peer 172.16.3.1 next-hop-local
[r2-bgp]peer 172.16.5.1 next-hop-local
R3
[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.2.1 as 64512
[r3-bgp]peer 172.16.2.1 connect-interface LoopBack 0
[r3-bgp]peer 172.16.4.1 as 64512
[r3-bgp]peer 172.16.4.1 connect-interface LoopBack 0
R4
[r4]bgp 64512
[r4-bgp]router-id 4.4.4.4
[r4-bgp]confederation id 2
[r4-bgp]confederation peer-as 64513
[r4-bgp]peer 172.16.3.1 as 64512
[r4-bgp]peer 172.16.3.1 connect-interface LoopBack 0
[r4-bgp]peer 172.16.7.1 as 64513
[r4-bgp]peer 172.16.7.1 connect-interface LoopBack 0
[r4-bgp]peer 172.16.7.1 ebgp-max-hop 2
R5
[r5]bgp 64513
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 2
[r5-bgp]confederation peer-as 64512
[r5-bgp]peer 172.16.2.1 as 64512
[r5-bgp]peer 172.16.2.1 connect-interface LoopBack 0
[r5-bgp]peer 172.16.2.1 ebgp-max-hop 2
[r5-bgp]peer 172.16.6.1 as 64513
[r5-bgp]peer 172.16.6.1 connect-interface LoopBack 0
R6
[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 2
[r6-bgp]peer 172.16.5.1 as 64513
[r6-bgp]peer 172.16.5.1 connect-interface LoopBack 0
[r6-bgp]peer 172.16.7.1 as 64513
[r6-bgp]peer 172.16.7.1 connect-interface LoopBack 0
R7
[r7]bgp 64513
[r7-bgp]router-id 7.7.7.7
[r7-bgp]confederation id 2
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 172.16.6.1 as 64513
[r7-bgp]peer 172.16.6.1 connect-interface LoopBack 0
[r7-bgp]peer 172.16.4.1 as 64512
[r7-bgp]peer 172.16.4.1 connect-interface LoopBack 0
[r7-bgp]peer 172.16.4.1 ebgp-max-hop 2
[r7-bgp]peer 78.0.0.2 as 3
[r7-bgp]peer 172.16.4.1 next-hop-local
[r7-bgp]peer 172.16.6.1 next-hop-local
R8
[r8]bgp 3
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.0.0.1 as 2
宣告：
[r1]bgp 1
[r1-bgp]ne
[r1-bgp]network 10.0.0.0 24
[r1-bgp]
[r8]bgp 3
[r8-bgp]ne
[r8-bgp]network 11.0.0.0 24
修改下一跳：
[r2-bgp]peer 172.16.3.1 next-hop-local
[r2-bgp]peer 172.16.5.1 next-hop-local
[r7-bgp]peer 172.16.4.1 next-hop-local
[r7-bgp]peer 172.16.6.1 next-hop-local
六、破除IBGP之间的水平分割，配置路由反射器
R3
[r3]bgp 64512
[r3-bgp]peer 172.16.2.1 reflect-client
R6
[r6]bgp 64513
[r6-bgp]peer 172.16.7.1 reflect-client
七、做空接口、汇总以及宣告
R2
[r2]ip route-static 172.16.0.0 21 NULL 0
[r2]bgp 64512
[r2-bgp]network 172.16.0.0 21
R7
[r7]ip route-static 172.16.0.0 22 NULL 0
[r7]bgp 64513
[r7-bgp]network 172.16.0.0 21
八、建立GRE隧道，来实现两个环回的通化讯
R1
[r1]int t0/0/0
[r1-Tunnel0/0/0]ip a 192.168.10.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre
[r1-Tunnel0/0/0]source 10.0.0.1
[r1-Tunnel0/0/0]destination 11.0.0.1
[r1]ip route-static 192.168.1.0 24 99.0.0.2
R8
[r8]int t0/0/0
[r8-Tunnel0/0/0]ip a 192.168.10.2 24
[r8-Tunnel0/0/0]tunnel-protocol gre
[r8-Tunnel0/0/0]source 11.0.0.1
[r8-Tunnel0/0/0]destination 10.0.0.1
[r8]ip route-static 192.168.2.0 24 99.0.0.1
至此实验结束。
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