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BGP 反射器联邦实验

news 2025/7/12 19:43:54

要求：

1.如图连接网络，合理规划IP地址，AS 200内IGP协议为OSPF

2.R1属于AS 100；R2-R3-R4小AS 234 R5-R6-R7小AS 567，同时声明大AS 200，R8属于AS 300

3.R2-R5 R4-R7 之间为联邦EBGP邻居关系

4.R1-R8之间通信

1.如图连接网络，合理规划IP地址，A200内IGP协议为OSPF

[r1]interface g0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1]interface LoopBack 0
[r1-LoopBack0]ip add 1.1.1.1 24

[r2]interface g0/0/1
[r2-GigabitEthernet0/0/1]ip add 12.1.1.2 24
[r2]interface g0/0/0
[r2-GigabitEthernet0/0/0]ip add 23.1.1.1 24
[r2]interface g0/0/2
[r2-GigabitEthernet0/0/2]ip add 25.1.1.1 24
[r2]interface LoopBack 0
[r2-LoopBack0]ip add 2.2.2.2 24

[r2]ospf 100 router-id 92.2.2.2
[r2-ospf-100]area 0
[r2-ospf-100-area-0.0.0.0]network 12.1.1.2 0.0.0.0
[r2-ospf-100-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[r2-ospf-100-area-0.0.0.0]network 23.1.1.1 0.0.0.0
[r2-ospf-100-area-0.0.0.0]network 25.1.1.1 0.0.0.0

[r3]interface g0/0/1
[r3-GigabitEthernet0/0/1]ip add 23.1.1.2 24
[r3]interface g0/0/0
[r3-GigabitEthernet0/0/0]ip add 34.1.1.1 24
[r3]interface LoopBack 0
[r3-LoopBack0]ip add 3.3.3.3 24

[r3]ospf 100 router-id 93.3.3.3
[r3-ospf-100]area 0
[r3-ospf-100-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[r3-ospf-100-area-0.0.0.0]network 23.1.1.2 0.0.0.0

[r3-ospf-100-area-0.0.0.0]network 34.1.1.1 0.0.0.0

[r4]interface g0/0/1
[r4-GigabitEthernet0/0/1]ip add 34.1.1.2 24
[r4]interface g0/0/2
[r4-GigabitEthernet0/0/2]ip add 47.1.1.1 24
[r4]interface LoopBack 0
[r4-LoopBack0]ip add 4.4.4.4 24

[r4]ospf 100 router-id 94.4.4.4
[r4-ospf-100]area 0
[r4-ospf-100-area-0.0.0.0]network 34.1.1.2 0.0.0.0

[r4-ospf-100-area-0.0.0.0]network 4.4.4.4 0.0.0.0

[r4-ospf-100-area-0.0.0.0]network 47.1.1.1 0.0.0.0

[r5]interface g0/0/2
[r5-GigabitEthernet0/0/2]ip add 25.1.1.2 24
[r5]interface g0/0/0
[r5-GigabitEthernet0/0/0]ip add 56.1.1.1 24
[r5]interface LoopBack 0
[r5-LoopBack0]ip add 5.5.5.5 24

[5]ospf 100 router-id 95.5.5.5
[r5-ospf-100]area 0
[r5-ospf-100-area-0.0.0.0]network 25.1.1.2 0.0.0.0

[r5-ospf-100-area-0.0.0.0]network 5.5.5.5 0.0.0.0
[r5-ospf-100-area-0.0.0.0]network 56.1.1.1 0.0.0.0

[r6]interface g0/0/1
[r6-GigabitEthernet0/0/1]ip add 56.1.1.2 24
[r6]interface g0/0/0
[r6-GigabitEthernet0/0/0]ip add 67.1.1.1 24
[r6]interface LoopBack 0
[r6-LoopBack0]ip add 6.6.6.6 24

[r6]ospf 100 router-id 96.6.6.6
[r6-ospf-100]area 0
[r6-ospf-100-area-0.0.0.0]network 56.1.1.2 0.0.0.0

[r6-ospf-100-area-0.0.0.0]network 6.6.6.6 0.0.0.0
[r6-ospf-100-area-0.0.0.0]network 67.1.1.1 0.0.0.0

[r7]interface g0/0/1
[r7-GigabitEthernet0/0/1]ip add 67.1.1.2 24
[r7]interface g0/0/2
[r7-GigabitEthernet0/0/2]ip add 47.1.1.2 24
[r7]interface g0/0/0
[r7-GigabitEthernet0/0/0]ip add 78.1.1.1 24
[r7]interface LoopBack 0
[r7-LoopBack0]ip add 7.7.7.7 24

[r7]ospf 100 router-id 97.7.7.7
[r7-ospf-100]area 0
[r7-ospf-100-area-0.0.0.0]network 67.1.1.2 0.0.0.0

[r7-ospf-100-area-0.0.0.0]network 7.7.7.7 0.0.0.0
[r7-ospf-100-area-0.0.0.0]network 47.1.1.2 0.0.0.0

[r7-ospf-100-area-0.0.0.0]network 78.1.1.1 0.0.0.0

[r8]interface g0/0/1
[r8-GigabitEthernet0/0/1]ip add 78.1.1.2 24
[r8]interface LoopBack 0
[r8-LoopBack0]ip add 8.8.8.8 24

2.R1属于AS 100；R2-R3-R4小AS 234 R5-R6-R7小AS 567，同时声明大AS 200，R8属于AS 300

3.R2-R5 R4-R7 之间为联邦EBGP邻居关系

[r1]bgp 100
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.1.1.2 as-number 200

[r2]bgp 234
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 200

[r2-bgp]confederation peer-as 567

[r2-bgp]peer 12.1.1.1 as-number 100
[r2-bgp]peer 3.3.3.3 as-number 234
[r2-bgp]peer 3.3.3.3 connect-interface lo 0
[r2-bgp]peer 5.5.5.5 as-number 567
[r2-bgp]peer 5.5.5.5 connect-interface lo 0
[r2-bgp]peer 5.5.5.5 ebgp-max-hop

[r3]bgp 234

[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 200
[r3-bgp]peer 2.2.2.2 as-number 234
[r3-bgp]peer 2.2.2.2 connect-interface lo 0
[r3-bgp]peer 4.4.4.4 as-number 234
[r3-bgp]peer 4.4.4.4 connect-interface lo 0

[r4]bgp 234
[r4-bgp]router-id 4.4.4.4
[r4-bgp]confederation id 200

[r4-bgp]confederation peer-as 567
[r4-bgp]peer 3.3.3.3 as-number 234
[r4-bgp]peer 3.3.3.3 connect-interface lo 0
[r4-bgp]peer 7.7.7.7 as-number 567
[r4-bgp]peer 7.7.7.7 connect-interface lo 0
[r4-bgp]peer 7.7.7.7 ebgp-max-hop

[r5]bgp 567
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 200
[r5-bgp]confederation peer-as 234
[r5-bgp]peer 2.2.2.2 as-number 234
[r5-bgp]peer 2.2.2.2 connect-interface lo 0
[r5-bgp]peer 2.2.2.2 ebgp-max-hop
[r5-bgp]peer 6.6.6.6 as-number 567
[r5-bgp]peer 6.6.6.6 connect-interface lo 0

[r6]bgp 567
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 200
[r6-bgp]peer 5.5.5.5 as-number 567
[r6-bgp]peer 5.5.5.5 connect-interface lo 0
[r6-bgp]peer 7.7.7.7 as-number 567
[r6-bgp]peer 7.7.7.7 connect-interface lo 0

[r7]bgp 567
[r7-bgp]router-id 7.7.7.7
[r7-bgp]confederation id 200
[r7-bgp]confederation peer-as 234
[r7-bgp]peer 78.1.1.2 as-number 300
[r7-bgp]peer 6.6.6.6 as-number 567
[r7-bgp]peer 6.6.6.6 connect-interface lo 0
[r7-bgp]peer 4.4.4.4 as-number 234
[r7-bgp]peer 4.4.4.4 connect-interface lo 0
[r7-bgp]peer 4.4.4.4 ebgp-max-hop

[r8]bgp 300
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.1.1.1 as-number 200

[r1]bgp 100
[r1-bgp]network 1.1.1.0 24

[r2]bgp 234
[r2-bgp]peer 3.3.3.3 next-hop-local

[r2-bgp]peer 5.5.5.5 next-hop-local

[r7]bgp 567
[r7-bgp]peer 4.4.4.4 next-hop-local
[r7-bgp]peer 6.6.6.6 next-hop-local

[r3]bgp 234

[r3-bgp]peer 2.2.2.2 reflect-client

[r3-bgp]peer 4.4.4.4 reflect-client

[r6]bgp 567
[r6-bgp]peer 5.5.5.5 reflect-client

[r6-bgp]peer 7.7.7.7 reflect-client

[r8]bgp 300
[r8-bgp]network 8.8.8.0 24

[r2]bgp 234
[r2-bgp]import-route ospf 100

[r7]bgp 567
[r7-bgp]import-route ospf 100

4.R1-R8之间通信