BGP综合

IP分配 

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.0.0.1 24
[r1]int LoopBack 0
[r1-LoopBack0]ip add 192.168.1.1 24
[r1]int LoopBack 1
[r1-LoopBack1]ip add 10.1.1.1 24

[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 172.16.0.1 30
[r2-GigabitEthernet0/0/1]int g0/0/2
[r2-GigabitEthernet0/0/2]ip add 172.16.0.9 30
[r2]int LoopBack 0
[r2-LoopBack0]ip add 2.2.2.2 32
[r2]int LoopBack 1
[r2-LoopBack1]ip add 172.16.2.1 24

[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.0.2 30
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip add 172.16.0.5 30
[r3]in l0
[r3-LoopBack0]ip add 3.3.3.3 32
[r3-LoopBack0]in l1
[r3-LoopBack1]ip add 172.16.3.1 24

[r4]in l0
[r4-LoopBack0]ip add 4.4.4.4 32
[r4-LoopBack0]int l1
[r4-LoopBack1]ip add 172.16.4.1 24
[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip add 172.16.0.6 30
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip add 172.16.0.13 30

[Huawei]int l0
[Huawei-LoopBack0]ip add 5.5.5.5 32
[Huawei-LoopBack0]int l1
[Huawei-LoopBack1]ip add 172.16.5.1 24
[Huawei]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 172.16.0.10 30
[Huawei-GigabitEthernet0/0/0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 172.16.0.17 30

[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ip add 172.16.0.18 30
[r6-GigabitEthernet0/0/0]int g0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.0.21 30 
[r6]int l0
[r6-LoopBack0]ip add 6.6.6.6 32
[r6-LoopBack0]int l1
[r6-LoopBack1]ip add 172.16.6.1 24

[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip add 172.16.0.14 30
[r7-GigabitEthernet0/0/0]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.0.22 30
[r7]in l0
[r7-LoopBack0]ip add 7.7.7.7 32
[r7-LoopBack0]int l1
[r7-LoopBack1]ip add 172.16.7.1 24
[r7]int g0/0/2
[r7-GigabitEthernet0/0/2]ip add 78.0.0.7 24

[Huawei]sys r8
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip add 78.0.0.8 24
[r8]int l0
[r8-LoopBack0]ip add 192.168.2.1 24
[r8-LoopBack0]int l1
[r8-LoopBack1]ip add 11.1.1.1 24

区域2启用ospf

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]network 172.16.2.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.9 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0

[r3]ospf 1 router-id 3.3.3.3 
[r3-ospf-1]a 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.2 0.0.0.0	
[r3-ospf-1-area-0.0.0.0]network 172.16.0.5 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 172.16.3.1 0.0.0.0

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]a 0
[r4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.6 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.13 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 172.16.4.1 0.0.0.0

[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]a 0
[r5-ospf-1-area-0.0.0.0]network 5.5.5.5 0.0.0.0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.10 0.0.0.0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.17 0.0.0.0
[r5-ospf-1-area-0.0.0.0]network 172.16.5.1 0.0.0.0

[r6]ospf 1 r	
[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]a 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.18 0.0.0.0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.21 0.0.0.0
[r6-ospf-1-area-0.0.0.0]network 6.6.6.6 0.0.0.0
[r6-ospf-1-area-0.0.0.0]network 172.16.6.1 0.0.0.0

[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]a 0
[r7-ospf-1-area-0.0.0.0]network 7.7.7.7 0.0.0.0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.14 0.0.0.0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.22 0.0.0.0
[r7-ospf-1-area-0.0.0.0]network 172.16.7.1 0.0.0.0

bgp

[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]confederation id 2
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 12.0.0.1 as-number 1
[r2-bgp]router-id 2.2.2.2
[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
[r2-bgp]peer 5.5.5.5 as-number 64513
[r2-bgp]peer 5.5.5.5 connect-interface LoopBack 0
[r2-bgp]peer 5.5.5.5 next-hop-local
[r2-bgp]peer 5.5.5.5 ebgp-max-hop 

[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[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 4.4.4.4 as-number 64512
[r3-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r3-bgp]peer 2.2.2.2 reflect-client 
[r3-bgp]peer 4.4.4.4 reflect-client 

[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 3.3.3.3 as-number 64512
[r4-bgp]peer 3.3.3.3 connect-interface LoopBack 0
[r4-bgp]peer 7.7.7.7 as-number 64513
[r4-bgp]peer 7.7.7.7 connect-interface LoopBack 0
[r4-bgp]peer 7.7.7.7 ebgp-max-hop

[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 2.2.2.2 as-number 64512
[r5-bgp]peer 2.2.2.2 connect-interface LoopBack 0
[r5-bgp]peer 2.2.2.2 ebgp-max-hop	
[r5-bgp]peer 6.6.6.6 as-number 64513	
[r5-bgp]peer 6.6.6.6 connect-interface LoopBack 0

[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[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 7.7.7.7 as-number 64513
[r6-bgp]peer 7.7.7.7 connect-interface LoopBack 0
[r6-bgp]peer 5.5.5.5 reflect-client
[r6-bgp]peer 7.7.7.7 reflect-client 

[r7]bgp 64513
[r7-bgp]confederation id 2
[r7-bgp]router-id 7.7.7.7
[r7-bgp]confederation peer-as 64512
[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
[r7-bgp]peer 4.4.4.4 as-number 64512
[r7-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r7-bgp]peer 4.4.4.4 next-hop-local
[r7-bgp]peer 4.4.4.4 ebgp-max-hop
[r7-bgp]peer 78.0.0.8 as-number 3

[r8]bgp 3
[r8-bgp]rou	
[r8-bgp]route-select
[r8-bgp]router-id 8.8.8.8 
[r8-bgp]peer 78.0.0.7 as	
[r8-bgp]peer 78.0.0.7 as-number 2

传路由

[r1]bgp 1
[r1-bgp]network 10.1.1.0 24

[r8]bgp 3
[r8-bgp]network 11.1.1.0 24

[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

验证