eNSP：ibgp的破水平切割练习

实验要求：

拓扑展示：

命令操作：

R1：

sys
[Huawei]sys r1
[r1]int g  0/0/1
[r1-GigabitEthernet0/0/1]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/1]int lo0
[r1-LoopBack0]ip add 1.1.1.1 24
[r1-LoopBack0]ospf network-type broadcast 

[r1-bgp]peer 12.1.1.2 as-number 2

[r1-bgp]network 1.1.1.0 24

R2：

[Huawei]sys r2
[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 172.16.0.5 30
[r2-GigabitEthernet0/0/2]int loo0
[r2-LoopBack0]ip add 172.16.32.1 22
[r2-LoopBack0]ospf network-type broadcast 
[r2-LoopBack0]int lo1
[r2-LoopBack1]ip add 172.16.60.1 32

[r2]ospf
[r2-ospf-1]ar 0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.0 
0.0.31.255
[r2-ospf-1-area-0.0.0.0]net 172.16.60.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]net 172.16.32.1 0.0.0.0


[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 5.5.5.5 as-number 64513
[r2-bgp]peer 172.16.60.4 as-number 64513
[r2-bgp]peer 172.16.60.4 connect-interface lo1
[r2-bgp]peer 172.16.60.4 ebgp-max-hop 2
[r2-bgp]peer 172.16.60.2 as-number 64512
[r2-bgp]peer 172.16.60.2 connect-interface lo1


[r2]bgp 64512
[r2-bgp]peer 12.1.1.1 as-number 1

[r2-bgp]peer 172.16.60.2 next-hop-local

R3：

sys
[Huawei]sys r3
[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.0.2 3
[r3-GigabitEthernet0/0/0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 172.16.0.9 30
[r3-GigabitEthernet0/0/1]int lo0
[r3-LoopBack0]ip add 172.16.36.1 22
[r3-LoopBack0]ospf network-type broadcast 
[r3-LoopBack0]int lo1
[r3-LoopBack1]ip add 172.16.60.2 32

[r3]ospf 1 router-id 3.3.3.3
ate the new router ID.
[r3-ospf-1]ar 0
[r3-ospf-1-area-0.0.0.0]network 0.0.0.0 0.0.0.0

[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.60.3 as-number 64512
[r3-bgp]peer 172.16.60.3 connect-interface lo1
[r3-bgp]peer 172.16.60.1 as-number 64512
[r3-bgp]peer 172.16.60.1 connect-interface lo1

[r3-bgp]peer 172.16.60.3 reflect-client 

R4：

[Huawei]sys r4
[r4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip add 172.16.0.10 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 lo0
[r4-LoopBack0]ip add 172.16.40.1 22
[r4-LoopBack0]ospf network-type broadcast 
[r4-LoopBack0]int lo1
[r4-LoopBack1]ip add 172.16.60.3 32

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]ar 0
[r4-ospf-1-area-0.0.0.0]network 0.0.0.0 0.0.0.0

[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 172.16.60.6 as-number 64513
[r4-bgp]peer 172.16.60.6 connect-interface lo1
[r4-bgp]peer 172.16.60.6 ebgp-max-hop 2
[r4-bgp]peer 172.16.60.2 as-number 64512
[r4-bgp]peer 172.16.60.2 connect-interface lo1

[r4-bgp]peer 172.16.60.2 next-hop-local

R5：

sys
[Huawei]sys r5
[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip add 172.16.0.6 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 lo0
[r5-LoopBack0]ip add 172.16.44.1 22
[r5-LoopBack0]ospf network-type broadcast 
[r5-LoopBack0]int lo1
[r5-LoopBack1]ip add 172.16.60.4 32

[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]ar 0
[r5-ospf-1-area-0.0.0.0]network 0.0.0.0 0.0.0.0

[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 172.16.60.1 as-number 64512
[r5-bgp]peer 172.16.60.1 connect-interface lo1
[r5-bgp]peer 172.16.60.1 ebgp-max-hop 2
[r5-bgp]peer 172.16.60.5 as-number 64513
[r5-bgp]peer 172.16.60.5 connect-interface lo1

[r5-bgp]peer 172.16.60.5 next-hop-local

R6：

sys
[Huawei]sys r6
[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 lo0
[r6-LoopBack0]ip add 172.16.48.1 22
[r6-LoopBack0]ospf network-type broadcast 
[r6-LoopBack0]int lo1
[r6-LoopBack1]ip add 172.16.60.5 32

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]ar 0
[r6-ospf-1-area-0.0.0.0]network 0.0.0.0 0.0.0.0

[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 2	
[r6-bgp]peer 172.16.60.4 as-number 64513
[r6-bgp]peer 172.16.60.4 connect-interface lo1
[r6-bgp]peer 172.16.60.6 as-number 64513
[r6-bgp]peer 172.16.60.6 connect-interface lo1

[r6-bgp]peer 172.16.60.4 reflect-client

R7：

sys
[Huawei]sys r7
[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip add 172.16.0.22 30
[r7-GigabitEthernet0/0/0]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.0.14 30
[r7-GigabitEthernet0/0/1]int lo0
[r7-LoopBack0]ip add 172.16.52.1 22
[r7-LoopBack0]ospf network-type broadcast 
[r7-LoopBack0]int lo1
[r7-LoopBack1]ip add 172.16.60.6 32
[r7-LoopBack1]int g 0/0/2
[r7-GigabitEthernet0/0/2]ip add 78.1.1.2 24

[r7]ospf 1 router-id 7.7.7.7 
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]net 172.16.0.0 0.0.31.255
[r7-ospf-1-area-0.0.0.0]net 172.16.52.1 0.0.0.0
[r7-ospf-1-area-0.0.0.0]net 172.16.60.6 0.0.0.0

[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 172.16.60.3 as-number 64512
[r7-bgp]peer 172.16.60.3 connect-interface lo1
[r7-bgp]peer 172.16.60.3 ebgp-max-hop 2
[r7-bgp]peer 172.16.60.5 as-number 64513
[r7-bgp]peer 172.16.60.5 connect-interface  lo1

[r7-bgp]peer 78.1.1.1 as-number 3

[r7-bgp]peer 172.16.60.5 next-hop-local

R8：

sys
[Huawei]sys r8
[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip add 78.1.1.1 24
[r8-GigabitEthernet0/0/0]int lo0
[r8-LoopBack0]ip add 8.8.8.8 24

[r8]bgp 3
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.1.1.2 as-number 2

结果呈现：

r1与r8能够互相访问。