BGP实验（联邦及反射器）
实验要求：
1、AS1存在两个环问，一个地址为192.168.1.0/24,该地址不能冉任何协议中宣告
AS3存在两个环回，一个他址为192.168.2.9/24,该地址不能再任何协议中言告
AS1还有一个环回地址10.1.1.0/24
AS3还有一个环回地址为11.1.1.0/24
最终要求这两个环回可以互相通讯。
2、整个A52的IP地址为172.16.0.0/16
3、AS间的骨干链路IP地址随意分配
4、使用BGP协议让整个网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
子网划分：
172.16.0.0/16
172.16.0.0/17骨干
172.16.0 0000000.000 000 00
172.16.0 0000000.000 001 00
172.16.0 0000000.000 011 00
172.16.0.0/30
172.16.0.4/30
172.16.0.8/30
172.16.0.12/30
172.16.0.16/30
172.16.0.20/30
172.16.128.0/17环回
172.16.2.0/24
172.16.3.0/24
172.16.4.0/24
172.16.5.0/24
172.16.6.0/24
172.16.7.0/24
配置：
IP地址及环回[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/0]int l 0
[r1-LoopBack0]ip add 10.1.1.1 24
[r1-LoopBack0]int l 1
[r1-LoopBack1]ip add 192.168.1.1 24[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 172.16.0.1 30
[r2-GigabitEthernet0/0/1]int g 0/0/2
[r2-GigabitEthernet0/0/2]ip add 172.16.0.9 30
[r2-GigabitEthernet0/0/2]int l 0
[r2-LoopBack0]ip add 172.16.2.1 24[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.0.2 30
[r3-GigabitEthernet0/0/0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 172.16.0.5 30
[r3-GigabitEthernet0/0/1]int l 0
[r3-LoopBack0]ip add 172.16.3.1 24[r4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip add 172.16.0.6 30
[r4-GigabitEthernet0/0/0]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip add 172.16.0.13 30
[r4-GigabitEthernet0/0/1]int l 0
[r4-LoopBack0]ip add 172.16.4.1 24[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip add 172.16.0.10 30
[r5-GigabitEthernet0/0/0]int g 0/0/1
[r5-GigabitEthernet0/0/1]ip add 172.16.0.17 30
[r5-GigabitEthernet0/0/1]int l 0
[r5-LoopBack0]ip add 172.16.5.1 24[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip add 172.16.0.18 30
[r6-GigabitEthernet0/0/0]int g 0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.0.21 30
[r6-GigabitEthernet0/0/1]int l 0
[r6-LoopBack0]ip add 172.16.6.1 24[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip add 172.16.0.14 30
[r7-GigabitEthernet0/0/0]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.0.22 30
[r7-GigabitEthernet0/0/1]int g 0/0/2
[r7-GigabitEthernet0/0/2]ip add 22.1.1.7 24
[r7-GigabitEthernet0/0/2]int l 0
[r7-LoopBack0]ip add 172.16.7.1 24[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip add 22.1.1.8 24
[r8-GigabitEthernet0/0/0]int l 0
[r8-LoopBack0]ip add 11.1.1.1 24
[r8-LoopBack0]int l 1
[r8-LoopBack1]ip add 192.168.2.1 24进行宣告[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 172.16.0.0 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配置BGP联邦[r1]bgp 100
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.1.1.2 as
[r1-bgp]peer 12.1.1.2 as-number 2[r2]bgp 200
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 2
[r2-bgp]peer 12.1.1.1 as
[r2-bgp]peer 12.1.1.1 as-number 100
[r2-bgp]confederation pe
[r2-bgp]confederation peer-as 300
[r2-bgp]peer 172.16.3.1 as
[r2-bgp]peer 172.16.3.1 as-number 200
[r2-bgp]peer 172.16.3.1 con
[r2-bgp]peer 172.16.3.1 connect-interface l 0
[r2-bgp]peer 172.16.5.1 as
[r2-bgp]peer 172.16.5.1 as-number 300
[r2-bgp]peer 172.16.5.1 con
[r2-bgp]peer 172.16.5.1 connect-interface l 0
[r2-bgp]peer 172.16.5.1 e
[r2-bgp]peer 172.16.5.1 ebgp-max-hop[r3]bgp 200
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.2.1 as
[r3-bgp]peer 172.16.2.1 as-number 200
[r3-bgp]peer 172.16.2.1 con
[r3-bgp]peer 172.16.2.1 connect-interface l 0
[r3-bgp]peer 172.16.4.1 as-number 200.
[r3-bgp]peer 172.16.4.1 connect-interface l 0[r4]bgp 200
[r4-bgp]router-id 4.4.4.4
[r4-bgp]con
[r4-bgp]confederation id 2
[r4-bgp]peer 172.16.3.1 as
[r4-bgp]peer 172.16.3.1 as-number 200
[r4-bgp]peer 172.16.3.1 con
[r4-bgp]peer 172.16.3.1 connect-interface l 0
[r4-bgp]confederation p
[r4-bgp]confederation peer-as 300
[r4-bgp]peer 172.16.7.1 as
[r4-bgp]peer 172.16.7.1 as-number 300
[r4-bgp]peer 172.16.7.1 con
[r4-bgp]peer 172.16.7.1 connect-interface l 0
[r4-bgp]peer 172.16.7.1 e
[r4-bgp]peer 172.16.7.1 ebgp-max-hop[r5]bgp 300
[r5-bgp]router-id 5.5.5.5
[r5-bgp]con
[r5-bgp]confederation id 2
[r5-bgp]peer 172.16.6.1 as
[r5-bgp]peer 172.16.6.1 as-number 300
[r5-bgp]peer 172.16.6.1 con
[r5-bgp]peer 172.16.6.1 connect-interface l 0
[r5-bgp]con
[r5-bgp]confederation p
[r5-bgp]confederation peer-as 200
[r5-bgp]peer 172.16.2.1 as
[r5-bgp]peer 172.16.2.1 as-number 200
[r5-bgp]peer 172.16.2.1 con
[r5-bgp]peer 172.16.2.1 connect-interface l 0
[r5-bgp]peer 172.16.2.1 e
[r5-bgp]peer 172.16.2.1 ebgp-max-hop[r6]bgp 300
[r6-bgp]router-id 6.6.6.6
[r6-bgp]con
[r6-bgp]confederation id 2
[r6-bgp]peer 172.16.5.1 as
[r6-bgp]peer 172.16.5.1 as-number 300
[r6-bgp]peer 172.16.7.1 as-number 300
[r6-bgp]peer 172.16.7.1 con
[r6-bgp]peer 172.16.7.1 connect-interface l 0
[r6-bgp]peer 172.16.5.1 connect-interface l 0[r7]bgp 300
[r7-bgp]router-id 7.7.7.7
[r7-bgp]con
[r7-bgp]confederation id 2
[r7-bgp]peer 172.16.6.1 as
[r7-bgp]peer 172.16.6.1 as-number 300
[r7-bgp]peer 172.16.6.1 con
[r7-bgp]peer 172.16.6.1 connect-interface l 0
[r7-bgp]con
[r7-bgp]confederation p
[r7-bgp]confederation peer-as 200
[r7-bgp]peer 172.16.4.1 as
[r7-bgp]peer 172.16.4.1 as-number 200
[r7-bgp]peer 172.16.4.1 con
[r7-bgp]peer 172.16.4.1 connect-interface l 0
[r7-bgp]peer 172.16.4.1 e
[r7-bgp]peer 172.16.4.1 ebgp-max-hop
[r7-bgp]peer 22.1.1.8 as-number 150[r8]bgp 150
[r8-bgp]ro
[r8-bgp]route-select
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 22.1.1.7 as
[r8-bgp]peer 22.1.1.7 as-number 2在R3，R6配置路由反射器
[r1-bgp]network 10.1.1.0 24[r2-bgp]peer 172.16.3.1 next-hop-local
[r2-bgp]peer 172.16.5.1 next-hop-local[r3-bgp]peer 172.16.4.1 reflect-client[r6-bgp]peer 172.16.7.1 reflect-client [r7-bgp]peer 172.16.4.1 next-hop-local
[r7-bgp]peer 172.16.6.1 next-hop-local[r8-bgp]network 11.1.1.0 24结果验证：
