实验目的：

实验拓扑：

 IP地址规划：
AS2内部：

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

 

 

 

 

 

AS2内部启动ospf协议

 [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]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]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]ospf 1 router-id 5.5.5.5
[R5-ospf-1] a 0  
[R5-ospf-1-area-0.0.0.0]network 192.16.0.0 0.0.255.255

[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]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

启动BGP协议：

[R1]bgp 1
[R1-bgp]router-id 1.1.1.1
[R1-bgp]peer 12.0.0.2 as-number 2



[R2]bgp 64512
[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-number 1
[R2-bgp]peer 172.16.3.1 as-number 64512
[R2-bgp]peer 172.16.3.1 connect-interface LoopBack 0
[R2-bgp]peer 172.16.5.1 as-number 64513
[R2-bgp]peer 172.16.5.1 connect-interface l 0
[R2-bgp]peer 172.16.5.1 ebgp-max-hop



[R3]bgp 64512
[R3-bgp]router-id 3.3.3.3
[R3-bgp]confederation id 2
[R3-bgp]peer 172.16.2.1 as-number 64512
[R3-bgp]peer 172.16.2.1 connect-interface l 0
[R3-bgp]peer 172.16.4.1 as-number 64512
[R3-bgp]peer 172.16.4.1 connect-interface l 0



[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-number 64512
[R4-bgp]peer 172.16.3.1 connect-interface l 0
[R4-bgp]peer 172.16.7.1 as-number 64513
[R4-bgp]peer 172.16.7.1 ebgp-max-hop 255 
[R4-bgp]peer 172.16.7.1 connect-interface l 0



[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-number 64512
[R5-bgp]peer 172.16.2.1 connect-interface l0
[R5-bgp]peer 172.16.6.1 as-number 64513
[R5-bgp]peer 172.16.6.1 connect-interface l 0



[R6]bgp 64513
[R6-bgp]router-id 6.6.6.6
[R6-bgp]confederation id 2 
[R6-bgp]peer 172.16.5.1 as-number 64513
[R6-bgp]peer 172.16.5.1 connect-interface l 0
[R6-bgp]peer 172.16.7.1 as-number 64513
[R6-bgp]peer 172.16.7.1 connect-interface l 0



[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 78.0.0.2 as    
[R7-bgp]peer 78.0.0.2 as-number 3
[R7-bgp]peer 172.16.4.1 as-number 64512
[R7-bgp]peer 172.16.4.1 ebgp-max-hop  255
[R7-bgp]peer 172.16.4.1 connect-interface l 0  
[R7-bgp]peer 172.16.6.1 as-number 64513
[R7-bgp]peer 172.16.6.1 connect-interface l 0

 

 

 

 

 

 

 

创建路由反射器

[R1]bgp 1
[R1-bgp]network 10.1.1.0 24

[R8]bgp 3
[R8-bgp]network 11.1.1.0 24

[R2]bgp 64512
[R2-bgp]peer 172.16.3.1 next-hop-local
[R2-bgp]peer 172.16.5.1 next-hop-local

[R7]bgp 64513
[R7-bgp]peer 172.16.4.1 next-hop-local
[R7-bgp]peer 172.16.6.1 next-hop-local

[R3]bgp 64512
[R3-bgp]peer 172.16.2.1 reflect-client 

[R6]bgp 64513

[R6-bgp]peer 172.16.5.1 reflect-client

 

[R2]ip route-static 172.16.0.0 21 NULL 0
[R2]bgp 64512
[R2-bgp]network 172.16.0.0 21

[R7]ip route-static 172.16.0.0 21 NULL 0
[R7]bgp 64513
[R7-bgp]network 172.16.0.0 21

 

实现192.168.1.0与192.168.2.0通讯

[R1]int t 0/0/0
[R1-Tunnel0/0/0]ip ad 192.168.3.1 24
[R1-Tunnel0/0/0]tunnel-protocol gre 
[R1-Tunnel0/0/0]source 10.1.1.1
[R1-Tunnel0/0/0]description 11.1.1.1
[R1-Tunnel0/0/0]q
[R1]ip route-static 192.168.2.0 24 192.168.3.2

[R8]int t 0/0/0
[R8-Tunnel0/0/0]ip add 192.168.3.2 24
[R8-Tunnel0/0/0]tunnel-protocol gre 
[R8-Tunnel0/0/0]source 11.1.1.1  
[R8-Tunnel0/0/0]description 10.1.1.1
[R8-Tunnel0/0/0]q
[R8]ip route-static 192.168.1.0 24 192.168.3.1