BGP联邦实验

第一步，配置各个路由器接口地址和环回接口

[R1-GigabitEthernet0/0/0]ip address 12.1.1.1 24
[R1-LoopBack0]ip address 1.1.1.1 24

[R2-GigabitEthernet0/0/0]ip address 12.1.1.2 24
[R2-GigabitEthernet0/0/1]ip address 23.1.1.2 24
[R2-LoopBack0]ip address 2.2.2.2 24

[R3-GigabitEthernet0/0/1]ip address 34.1.1.3 24
[R3-GigabitEthernet0/0/0]ip address 23.1.1.3 24
[R3-LoopBack0]ip address 3.3.3.3 24

[R4-GigabitEthernet0/0/0]ip address 34.1.1.4 24
[R4-GigabitEthernet0/0/1]ip address 45.1.1.4 24
[R4-LoopBack0]ip address 4.4.4.4 24

[R5-GigabitEthernet0/0/0]ip address 45.1.1.5 24
[R5-GigabitEthernet0/0/1]ip address 56.1.1.5 24
[R5-LoopBack0]ip address 5.5.5.5 24

[R6-GigabitEthernet0/0/0]ip address 56.1.1.6 24
[R6-GigabitEthernet0/0/1]ip address 67.1.1.6 24
[R6-LoopBack0]ip address 6.6.6.6 24

[R7-GigabitEthernet0/0/0]ip address 67.1.1.7 24
[R7-GigabitEthernet0/0/1]ip address 78.1.1.7 24
[R7-LoopBack0]ip address 7.7.7.7 24

[R8-GigabitEthernet0/0/0]ip address 78.1.1.8 24
[R8-LoopBack0]ip address 8.8.8.8 24
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第二步，配置静态路由

[R1]ip route-static 2.2.2.2 24 12.1.1.2 
[R2]ip route-static 1.1.1.1 24 12.1.1.1

[R7]ip route-static 8.8.8.8 24 78.1.1.8
[R8]ip route-static 7.7.7.7 24 78.1.1.7
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第三步，在R1,R2间启动BGP协议

[R1]bgp 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

[R2]bgp 64512
[R2-bgp]confederation id 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
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第四步，在R7,R8间启动BGP协议

[R8]bgp 3
[R8-bgp]peer 7.7.7.7 as-number 2
[R8-bgp]peer 7.7.7.7 connect-interface LoopBack 0
[R8-bgp]peer 7.7.7.7 ebgp-max-hop 2

[R7]bgp 64513 
[R7-bgp]confederation id 2
[R7-bgp]peer 8.8.8.8 as-number 3
[R7-bgp]peer 8.8.8.8 connect-interface LoopBack 0
[R7-bgp]peer 8.8.8.8 ebgp-max-hop 2
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第五步，在中间启动OSPF协议

[R2]ospf 1
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255

[R3]ospf 1
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 34.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 3.3.3.0 0.0.0.255

[R4]ospf 1
[R4-ospf-1]area 0
[R4-ospf-1-area-0.0.0.0]network 34.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.0]network 45.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.0]network 4.4.4.0 0.0.0.255

[R5]ospf 1
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 45.1.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 56.1.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 5.5.5.0 0.0.0.255

[R6]ospf 1 
[R6-ospf-1]area 0
[R6-ospf-1-area-0.0.0.0]network 56.1.1.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]network 67.1.1.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]network 6.6.6.0 0.0.0.255

[R7]ospf 1
[R7-ospf-1]area 0
[R7-ospf-1-area-0.0.0.0]network 67.1.1.0 0.0.0.255
[R7-ospf-1-area-0.0.0.0]network 7.7.7.0 0.0.0.255
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第六步，在中间区域启动联邦

[R2]bgp 64512
[R2-bgp]confederation id 2
[R2-bgp]peer 3.3.3.3 as-number 64512
[R2-bgp]peer 3.3.3.3 connect-interface LoopBack 0   
[R2-bgp]peer 3.3.3.3 next-hop-local

[R3]bgp 64512
[R3-bgp]confederation id 2
[R3-bgp]peer 2.2.2.2 as-number 64512
[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 64512
[R3-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[R3-bgp]peer 4.4.4.4 next-hop-local

[R4]bgp 64512
[R4-bgp]confederation id 2
[R4-bgp]confederation peer-as 64513
[R4-bgp]peer 3.3.3.3 as-number 64512
[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 64513
[R4-bgp]peer 5.5.5.5 connect-interface LoopBack 0
[R4-bgp]peer 5.5.5.5 ebgp-max-hop 2

[R5]bgp 64513
[R5-bgp]confederation id 2
[R5-bgp]confederation peer-as 64512
[R5-bgp]peer 4.4.4.4 as-number 64512
[R5-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[R5-bgp]peer 4.4.4.4 ebgp-max-hop 2

[R5-bgp]peer 6.6.6.6 as-number 64513
[R5-bgp]peer 6.6.6.6 connect-interface LoopBack 0     
[R5-bgp]peer 6.6.6.6 next-hop-local

[R6]bgp 64513
[R6-bgp]confederation id 2
[R6-bgp]peer 5.5.5.5 as-number 64513
[R6-bgp]peer 5.5.5.5 connect-interface LoopBack 0
[R6-bgp]peer 5.5.5.5 next-hop-local

[R6-bgp]peer 7.7.7.7 as-number 64513
[R6-bgp]peer 7.7.7.7 connect-interface LoopBack 0
[R6-bgp]peer 7.7.7.7 next-hop-local

[R7]bgp 64513
[R7-bgp]confederation id 2
[R7-bgp]peer 6.6.6.6 as-number 64513
[R7-bgp]peer 6.6.6.6 connect-interface LoopBack 0
[R7-bgp]peer 6.6.6.6 next-hop-local
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第七步，将R3,R7作为反射器

[R3]bgp 64512
[R3-bgp]peer 2.2.2.2 reflect-client 

[R6]bgp 64513
[R6-bgp]peer 7.7.7.7 reflect-client
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第八步，分别在R1，R8上新建一个环回，并在bgp中宣告（用于检测）

[R1-LoopBack1]ip address 99.1.1.1 24
[R1]bgp 1
[R1-bgp]network 99.1.1.0 24

[R8-LoopBack1]ip address 88.1.1.1 24
[R8]bgp 3
[R8-bgp]network 88.1.1.0 24
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最后检测：