HCIP——BGP综合实验

于 2024-07-27 14:36:00 发布
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本文链接：https://blog.youkuaiyun.com/2301_81538927/article/details/140734814
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一、实验描述

1、AS1存在两个环回，一个地址为192.168.1.0/24该地址不能在任何协议中宣告，AS3中存在俩个环回，一个地址为192.168.2.0/24该地址不能在任何协议中宣告，最终要求这两个环回可以互相通讯。

2、整个AS2的IP地址为172.16.0.0/16，请合理划分

3、AS间的骨干链路IP地址随意定制

4、使用BGP协议让整个网络所有设备的环回可以互相访问

5、减少路由条目数量，避免环路出现

二、实验步骤

  •  划分AS2网段 
    • 172.16.0.0/16
	172.16.0.0/24
		172.16.1.0/24---MA
			172.16.1.0/29
			172.16.1.8/29
			172.16.1.24/29
			172.16.1.32/29
			172.16.1.40/29
			172.16.1.48/29
			172.16.1.56/29
R2:172.16.2.0/24---P2P
R3:172.16.3.0/24---P2P
R4:172.16.4.0/24
R5:172.16.5.0/24
R6:172.16.6.0/24
  • IP地址配置
    • R1 
      • [r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip a 12.0.0.1 24

[r1]int LoopBack 0
[r1-LoopBack0]ip a 192.168.1.1 24

[r1]int LoopBack 1
[r1-LoopBack1]ip a 10.0.0.1 24
    • R2 
      • [r2-GigabitEthernet0/0/0]ip address 12.0.0.2 24
[r2-LoopBack0]ip a 172.16.2.1 24
[r2-GigabitEthernet0/0/1]ip a 172.16.1.1 29
[r2-GigabitEthernet0/0/2]ip a 172.16.1.9 29
    • R3 
      • [r3-GigabitEthernet0/0/0]ip address 172.16.1.2 29
[r3-LoopBack0]ip address 172.16.3.1 24
[r3-GigabitEthernet0/0/1]ip a 172.16.1.17 29
    • R4 
      • [r4-GigabitEthernet0/0/0]ip address 172.16.1.18 29
[r4-GigabitEthernet0/0/1]ip address 172.16.1.25 29
[r4-LoopBack0]ip address 172.16.4.1 24
    • R5 
      • [r5-GigabitEthernet0/0/0]ip address 172.16.1.10 29
[r5-GigabitEthernet0/0/1]ip a 172.16.1.133 29
[r5-LoopBack0]ip a 172.16.5.1 24
    • R6 
      • [r6-GigabitEthernet0/0/0]ip a 172.16.1.34 29
[r6-GigabitEthernet0/0/1]ip address 172.16.1.41 29
[r6-LoopBack0]ip a 172.16.6.1 24
    • R7 
      • [r7-GigabitEthernet0/0/0]ip a 172.16.1.42 29
[r7-GigabitEthernet0/0/1]ip a 172.16.1.26 29
[r7-GigabitEthernet0/0/2]ip a 78.0.0.1 24
[r7-LoopBack0]ip a 172.16.7.1 24
    • R8  
      • [r8-GigabitEthernet0/0/0]ip a 78.0.0.2 24
[r8-LoopBack0]ip a 192.168.2.1 24
[r8-LoopBack1]ip a 11.0.0.1 24
  • AS2配置OSPF
    • R2 
      • [r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 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
  • 配置BGP、建立对等体
    • R1 
      • [r1]bgp 1
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.0.0.2 as 2
    • R2 
      • [r2]bgp 64512
[r2-bgp]rou	
[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-loca
[r2-bgp]peer 172.16.5.1 next-hop-local
    • R3 
      • [r3]bgp 64512
[r3-bgp]rou	
[r3-bgp]route-select
[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]rou	
[r4-bgp]route-select
[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]rou
[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]rou	
[r7-bgp]route-select
[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]rout
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.0.0.1 as 2
  • 发布路由
    • R1 
      • [r1]bgp 1
[r1-bgp]network 10.0.0.0 24
    • R8 
      • [r8]bgp 3
[r8-bgp]net	
[r8-bgp]network 11.0.0.0 24
  • 配置路由反射器
    • R3 
      • [r3]bgp 64512
[r3-bgp]pe	
[r3-bgp]peer 172.16.2.1 reflect-client
    • R6 
      • [r6]bgp 64513
[r6-bgp]pe	
[r6-bgp]peer 172.16.7.1 reflect-client
  • 配置空接口、路由汇总以及宣告
    • R2 
      • [r2]ip rou	
[r2]ip route
[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 rou	
[r7]ip route
[r7]ip route-static 172.16.0.0 22 NULL 0
[r7]bgp 64513
  • 建立GRE隧道
    • R1 
      • [r1-Tunnel0/0/0]ip ad	
[r1-Tunnel0/0/0]ip address 192.168.10.1 24 
[r1-Tunnel0/0/0]tun	
[r1-Tunnel0/0/0]tunnel-protocol gre
[r1-Tunnel0/0/0]sou	
[r1-Tunnel0/0/0]source 10.0.0.1
[r1-Tunnel0/0/0]dest	
[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]ipa d	
[r8-Tunnel0/0/0]ip ad	
[r8-Tunnel0/0/0]ip address 192.168.10.2 24
[r8-Tunnel0/0/0]tun	
[r8-Tunnel0/0/0]tunnel-protocol gre
[r8-Tunnel0/0/0]sou	
[r8-Tunnel0/0/0]source 11.0.0.1
[r8-Tunnel0/0/0]dest	
[r8-Tunnel0/0/0]destination 10.0.0.1
Jul 21 2024 23:32:51-08:00 r8 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/0 has entered the UP state. 
[r8-Tunnel0/0/0]
[r8-Tunnel0/0/0]ip route-static 192.168.2.0 24 99.0.0.1
  • 测试
    •   
      [R1]ping -a 192.168.1.1 192.168.2.1
  PING 192.168.2.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.2.1: bytes=56 Sequence=1 ttl=255 time=110 ms
    Reply from 192.168.2.1: bytes=56 Sequence=2 ttl=255 time=50 ms
    Reply from 192.168.2.1: bytes=56 Sequence=3 ttl=255 time=40 ms
    Reply from 192.168.2.1: bytes=56 Sequence=4 ttl=255 time=40 ms
    Reply from 192.168.2.1: bytes=56 Sequence=5 ttl=255 time=30 ms
 
  --- 192.168.2.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 30/54/110 ms
妤......
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