配置IP地址
 r1
 [r1]int g0/0/0
 [r1-GigabitEthernet0/0/0]ip add 12.0.0.1 24
 [r1-GigabitEthernet0/0/0]int lo0
 [r1-LoopBack0]ip add 192.168.1.1 24
 [r1-LoopBack0]int lo1
 [r1-LoopBack1]ip add 10.0.0.1 24
r2
 [r2]int g0/0/0
 [r2-GigabitEthernet0/0/0]ip add 12.0.0.2 24
 [r2-GigabitEthernet0/0/0]int g0/0/1
 [r2-GigabitEthernet0/0/1]ip add 172.16.1.1 27
 [r2-GigabitEthernet0/0/1]int g0/0/2
 [r2-GigabitEthernet0/0/2]ip add 172.16.1.193 27
 [r2-GigabitEthernet0/0/2]int lo0
 [r2-LoopBack0]ip add 172.16.2.1 24
r3
 [r3]int g0/0/0
 [r3-GigabitEthernet0/0/0]ip add 172.16.1.2 27
 [r3-GigabitEthernet0/0/0]int g0/0/1
 [r3-GigabitEthernet0/0/1]ip add 172.16.1.33 27
 [r3-GigabitEthernet0/0/1]int lo0
 [r3-LoopBack0]ip add 172.16.3.1 24
 [r3]int lo1
 [r3-LoopBack1]ip add 192.168.2.1 24
 [r3-LoopBack1]int lo2
 [r3-LoopBack2]ip add 11.0.0.1 24
r4
 [r4]int g0/0/0
 [r4-GigabitEthernet0/0/0]ip add 172.16.1.34 27
 [r4-GigabitEthernet0/0/0]int g0/0/1
 [r4-GigabitEthernet0/0/1]ip add 172.16.1.65 27
 [r4-GigabitEthernet0/0/1]int lo0
 [r4-LoopBack0]ip add 172.16.4.1 24
r5
 [r5]int g0/0/0
 [r5-GigabitEthernet0/0/0]ip add 172.16.1.194 27
 [r5-GigabitEthernet0/0/0]int g0/0/1
 [r5-GigabitEthernet0/0/1]ip add 172.16.1.161 27
 [r5-GigabitEthernet0/0/1]int lo0
 [r5-LoopBack0]ip add 172.16.5.1 24
r6
 [r6]int g0/0/0
 [r6-GigabitEthernet0/0/0]ip add 172.16.1.162 27
 [r6-GigabitEthernet0/0/0]int g0/0/1
 [r6-GigabitEthernet0/0/1]ip add 172.16.1.129 27
 [r6-GigabitEthernet0/0/1]int lo0
 [r6-LoopBack0]ip add 172.16.6.1 24
r7
 [r7]int g0/0/0
 [r7-GigabitEthernet0/0/0]ip add 172.16.1.130 27
 [r7-GigabitEthernet0/0/0]int g0/0/1
 [r7-GigabitEthernet0/0/1]ip add 172.16.1.66 27
 [r7-GigabitEthernet0/0/1]int lo0
 [r7-LoopBack0]ip add 172.16.7.1 24
r8
 [r8]int g0/0/0
 [r8-GigabitEthernet0/0/0]ip add 13.0.0.2 24
 [r8-GigabitEthernet0/0/0]int lo0
 [r8-LoopBack0]ip add 172.16.8.1 24
OSPF配置(R2到R7)
 R2
 [r2]ospf 1 rou
 [r2]ospf 1 router-id 2.2.2.2
 [r2-ospf-1]are
 [r2-ospf-1]area 0
 [r2-ospf-1-area-0.0.0.0]net
 [r2-ospf-1-area-0.0.0.0]network 172.16.1.0 0.0.0.255
 R3
 [r3]ospf 1 rou
 [r3]ospf 1 router-id 3.3.3.3
 [r3-ospf-1]are
 [r3-ospf-1]area 0
 [r3-ospf-1-area-0.0.0.0]net
 [r3-ospf-1-area-0.0.0.0]network 172.16.1.0 0.0.0.255
 [r3-ospf-1-area-0.0.0.0]
 R4
 [r4]ospf 1 rou
 [r4]ospf 1 router-id 4.4.4.4
 [r4-ospf-1]are
 [r4-ospf-1]area 0
 [r4-ospf-1-area-0.0.0.0]net
 [r4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
 [r4-ospf-1-area-0.0.0.0]
 R5
 [r5]ospf 1 rou
 [r5]ospf 1 router-id 5.5.5.5
 [r5-ospf-1]are
 [r5-ospf-1]area 0
 [r5-ospf-1-area-0.0.0.0]net
 [r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
 [r5-ospf-1-area-0.0.0.0]
 R6
 [r6]ospf 1 rou
 [r6]ospf 1 router-id 6.6.6.6
 [r6-ospf-1]are
 [r6-ospf-1]area 0
 [r6-ospf-1-area-0.0.0.0]net
 [r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
 [r6-ospf-1-area-0.0.0.0]
 R7
 [r7]ospf 1 rou
 [r7]ospf 1 router-id 7.7.7.7
 [r7-ospf-1]are
 [r7-ospf-1]area 0
 [r7-ospf-1-area-0.0.0.0]net
 [r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
 [r7-ospf-1-area-0.0.0.0]
BGP配置
 EBGP和IBGP建立
 R1
 [r1]bgp 1
 [r1-bgp]rou
 [r1-bgp]route-select
 [r1-bgp]router-id 1.1.1.1
 [r1-bgp]peer 12.0.0.2 as
 [r1-bgp]peer 12.0.0.2 as-number 2
 R2
 [r2]bgp 64512
 [r2-bgp]rou
 [r2-bgp]route-select
 [r2-bgp]router-id 2.2.2.2
 [r2-bgp]con
 [r2-bgp]confederation id 2
 [r2-bgp]con
 [r2-bgp]confederation as
 [r2-bgp]confederation as-n
 [r2-bgp]confederation peer
 [r2-bgp]confederation peer-as 64513
 [r2-bgp]
 [r2-bgp]peer 12.0.0.1 as
 [r2-bgp]peer 12.0.0.1 as-number 1
 [r2-bgp]peer 172.16.3.1 as
 [r2-bgp]peer 172.16.3.1 as-path-filter
 [r2-bgp]peer 172.16.3.1 as-number 64512
 [r2-bgp]peer 172.16.3.1 con
 [r2-bgp]peer 172.16.3.1 connect-interface l
 [r2-bgp]peer 172.16.3.1 connect-interface LoopBack 0
 [r2-bgp]
 [r2-bgp]
 [r2-bgp]peer 172.16.5.1 as
 [r2-bgp]peer 172.16.5.1 as-number 64513
 [r2-bgp]peer 172.16.5.1 con
 [r2-bgp]peer 172.16.5.1 connect-interface l
 [r2-bgp]peer 172.16.5.1 connect-interface LoopBack 0
 [r2-bgp]peer 172.16.5.1 eb
 [r2-bgp]peer 172.16.5.1 ebgp-max-hop
 R3
 [r3]bgp 64512
 [r3-bgp]rou
 [r3-bgp]route-select
 [r3-bgp]router-id 3.3.3.3
 [r3-bgp]con
 [r3-bgp]confederation id 2
 [r3-bgp]
 [r3-bgp]peer 172.16.2.1 as
 [r3-bgp]peer 172.16.2.1 as-number 64512
 [r3-bgp]peer 172.16.2.1 con
 [r3-bgp]peer 172.16.2.1 connect-interface l
 [r3-bgp]peer 172.16.2.1 connect-interface LoopBack 0
 [r3-bgp]
 [r3-bgp]peer 172.16.4.1 as
 [r3-bgp]peer 172.16.4.1 as-number 64512
 [r3-bgp]peer 172.16.4.1 con
 [r3-bgp]peer 172.16.4.1 connect-interface l
 [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]
 [r4-bgp]con
 [r4-bgp]confederation id 2
 [r4-bgp]
 [r4-bgp]c0n
 [r4-bgp]con
 [r4-bgp]confederation peer
 [r4-bgp]confederation peer-as 64513
 [r4-bgp]
 [r4-bgp]peer 172.16.3.1 as
 [r4-bgp]peer 172.16.3.1 as-number 64512
 [r4-bgp]peer 172.16.3.1 con
 [r4-bgp]peer 172.16.3.1 connect-interface l
 [r4-bgp]peer 172.16.3.1 connect-interface LoopBack 0
 [r4-bgp]
 [r4-bgp]peer 172.16.7.1 as
 [r4-bgp]peer 172.16.7.1 as-number 64513
 [r4-bgp]peer 172.16.7.1 con
 [r4-bgp]peer 172.16.7.1 connect-interface l
 [r4-bgp]peer 172.16.7.1 connect-interface LoopBack 0
 [r4-bgp]peer 172.16.7.1 eb
 [r4-bgp]peer 172.16.7.1 ebgp-max-hop
 [r4-bgp]
 R5
 [r5]bgp 64513
 [r5-bgp]rou
 [r5-bgp]route-select
 [r5-bgp]router-id 5.5.5.5
 [r5-bgp]con
 [r5-bgp]confederation id 2
 [r5-bgp]con
 [r5-bgp]confederation p
 [r5-bgp]confederation peer-as 64512
 [r5-bgp]
 [r5-bgp]peer 172.16.2.1 as
 [r5-bgp]peer 172.16.2.1 as-number 64512
 [r5-bgp]
 [r5-bgp]peer 172.16.2.1 con
 [r5-bgp]peer 172.16.2.1 connect-interface l
 [r5-bgp]peer 172.16.2.1 connect-interface LoopBack 0
 [r5-bgp]
 [r5-bgp]peer 172.16.2.1 eb
 [r5-bgp]peer 172.16.2.1 ebgp-max-hop
 [r5-bgp]peer 172.16.6.1 as-number 64513
 [r5-bgp]peer 172.16.6.1 connect-interface LoopBack 0
R6
 [r6]bgp 64513
 [r6-bgp]rou
 [r6-bgp]route-select
 [r6-bgp]router-id 6.6.6.6
 [r6-bgp]
 [r6-bgp]con
 [r6-bgp]confederation id 2
 [r6-bgp]
 [r6-bgp]peer 172.16.5.1 as
 [r6-bgp]peer 172.16.5.1 as-number 64513
 [r6-bgp]peer 172.16.5.1 con
 [r6-bgp]peer 172.16.5.1 connect-interface l
 [r6-bgp]peer 172.16.5.1 connect-interface LoopBack 0
 [r6-bgp]
 [r6-bgp]
 [r6-bgp]peer 172.16.7.1 as
 [r6-bgp]peer 172.16.7.1 as-number 64513
 [r6-bgp]peer 172.16.7.1 con
 [r6-bgp]peer 172.16.7.1 connect-interface l
 [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]con
 [r7-bgp]confederation id 2
 [r7-bgp]
 [r7-bgp]con
 [r7-bgp]confederation p
 [r7-bgp]confederation peer-as 64512
 [r7-bgp]peer 172.16.4.1 as
 [r7-bgp]peer 172.16.4.1 as-number 64512
 [r7-bgp]peer 172.16.4.1 con
 [r7-bgp]peer 172.16.4.1 connect-interface l
 [r7-bgp]peer 172.16.4.1 connect-interface LoopBack 0
 [r7-bgp]
 [r7-bgp]
 [r7-bgp]
 [r7-bgp]peer 172.16.6.1 as
 [r7-bgp]peer 172.16.6.1 as-number 64513
 [r7-bgp]peer 172.16.6.1 con
 [r7-bgp]peer 172.16.6.1 connect-interface l
 [r7-bgp]peer 172.16.6.1 connect-interface LoopBack 0
 [r7-bgp]peer 13.0.0.2 as-number 3
 R8
 [r8]bgp 3
 [r8-bgp]rou
 [r8-bgp]route-select
 [r8-bgp]router-id 8.8.8.8
 [r8-bgp]peer 13.0.0.1 as
 [r8-bgp]peer 13.0.0.1 as-number 2
解决发布路由问题
 R2
 [r2-bgp]peer 172.16.3.1 next-hop-local
 [r2-bgp]peer 172.16.5.1 next-hop-local
 [r2]ip route-static 172.16.0.0 21 NULL 0
 [r2-bgp]network 172.16.0.0
 R3
 [r3-bgp]peer 172.16.2.1 reflect-client
 R6
 [r6-bgp]peer 172.16.5.1 reflect-client
 R7
 [r7-bgp]peer 172.16.4.1 next-hop-local
 [r7-bgp]peer 172.16.6.1 next-hop-local
 [r7]ip route-static 172.16.0.0 21 NULL 0
 [r7-bgp]network 172.16.0.0 21

















