这次来个BGP反射器的简单小实验

  • 前言
  • 一、先把端口简单配置写完(OSPF、RIP、IP)
    • R1
    • R2
    • R3
    • R4
    • R5
    • R6
    • R7
    • R8
  • 二、配置BGP及反射器
    • R1
    • R2
    • R3
    • R4
    • R5
    • R6
    • R7
    • R8
  • 三、连通性(以R8的环回口举例)
  • 总结

前言

一、先把端口简单配置写完(OSPF、RIP、IP)

R1

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 12.0.0.1 24
[Huawei-GigabitEthernet0/0/0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 15.0.0.1 24
[Huawei-GigabitEthernet0/0/1]int loop0
[Huawei-LoopBack0]ip add 1.1.1.1 32
[Huawei-LoopBack0]q
[Huawei]ospf
[Huawei-ospf-1]area 0
[Huawei-ospf-1-area-0.0.0.0]net 1.1.1.1  0.0.0.0
[Huawei-ospf-1-area-0.0.0.0]net 12.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 15.0.0.0 0.0.0.255

R2

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 12.0.0.2 24
[Huawei-GigabitEthernet0/0/0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 24.0.0.2 24
[Huawei-GigabitEthernet0/0/1]int g0/0/2
[Huawei-GigabitEthernet0/0/2]ip add 23.0.0.2 24
[Huawei-GigabitEthernet0/0/2]int g1/0/0
[Huawei-GigabitEthernet1/0/0]ip add 25.0.0.2 24
[Huawei-GigabitEthernet1/0/0]int loop0
[Huawei-LoopBack0]ip add 2.2.2.2 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 6.6.6.6 32 56.0.0.6
[Huawei]ospf
[Huawei-ospf-1]area 0
[Huawei-ospf-1-area-0.0.0.0]net 5.5.5.5 0.0.0.0
[Huawei-ospf-1-area-0.0.0.0]net 45.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 15.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 25.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 56.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]q
[Huawei-ospf-1]import-route static

R3

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/2
[Huawei-GigabitEthernet0/0/2]ip add 23.0.0.3 24
[Huawei-GigabitEthernet0/0/2]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 37.0.0.3 24
[Huawei-GigabitEthernet0/0/1]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 36.0.0.3 24
[Huawei-GigabitEthernet0/0/0]int loop0
[Huawei-LoopBack0]ip add 3.3.3.3 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 7.7.7.7 32 37.0.0.7
[Huawei]ip route-s 2.2.2.2 32 23.0.0.2
[Huawei]ospf
[Huawei-ospf-1]area 1
[Huawei-ospf-1-area-0.0.0.1]net 3.3.3.3 0.0.0.0
[Huawei-ospf-1-area-0.0.0.1]net 23.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.1]net 36.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.1]q
[Huawei-ospf-1]import-route static
[Huawei-ospf-1]q

R4

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 45.0.0.4 24
[Huawei-GigabitEthernet0/0/0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 24.0.0.4 24
[Huawei-GigabitEthernet0/0/1]int loop0
[Huawei-LoopBack0]ip add 4.4.4.4 32
[Huawei-LoopBack0]q
[Huawei]ospf
[Huawei-ospf-1]area 0
[Huawei-ospf-1-area-0.0.0.0]net 4.4.4.4 0.0.0.0
[Huawei-ospf-1-area-0.0.0.0]net 24.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 45.0.0.0 0.0.0.255

R5

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 45.0.0.5 24
[Huawei-GigabitEthernet0/0/0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 15.0.0.5 24
[Huawei-GigabitEthernet0/0/1]int g0/0/2
[Huawei-GigabitEthernet0/0/2]ip add 56.0.0.5 24
[Huawei-GigabitEthernet0/0/2]int g1/0/0
[Huawei-GigabitEthernet1/0/0]ip add 25.0.0.5 24
[Huawei-GigabitEthernet1/0/0]int loop0
[Huawei-LoopBack0]ip add 5.5.5.5 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 6.6.6.6 32 56.0.0.6
[Huawei]ospf
[Huawei-ospf-1]area 0
[Huawei-ospf-1-area-0.0.0.0]net 5.5.5.5 0.0.0.0
[Huawei-ospf-1-area-0.0.0.0]net 45.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 15.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 25.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]net 56.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.0]q
[Huawei-ospf-1]import-route static
[Huawei-ospf-1]q

R6

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 68.0.0.6 24
[Huawei-GigabitEthernet0/0/1]int g0/0/2
[Huawei-GigabitEthernet0/0/2]ip add 56.0.0.6 24
[Huawei-GigabitEthernet0/0/2]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 36.0.0.6 24
[Huawei-GigabitEthernet0/0/0]int loop0
[Huawei-LoopBack0]ip add 6.6.6.6 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 8.8.8.8 32 68.0.0.8
[Huawei]ip route-s 5.5.5.5 32 56.0.0.5
[Huawei]ospf
[Huawei-ospf-1]area 1
[Huawei-ospf-1-area-0.0.0.1]net 56.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.1]net 36.0.0.0 0.0.0.255
[Huawei-ospf-1-area-0.0.0.1]net 6.6.6.6 0.0.0.0
[Huawei-ospf-1-area-0.0.0.1]q
[Huawei-ospf-1]import-route static
[Huawei-ospf-1]q

R7

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 37.0.0.7 24
[Huawei-GigabitEthernet0/0/1]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 78.0.0.7 24
[Huawei-GigabitEthernet0/0/0]int loop0
[Huawei-LoopBack0]ip add 7.7.7.7 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 3.3.3.3 32 37.0.0.3
[Huawei]rip
[Huawei-rip-1]v 2
[Huawei-rip-1]undo sum
[Huawei-rip-1]net 7.0.0.0
[Huawei-rip-1]net 78.0.0.0

R8

[Huawei]user- con 0
[Huawei-ui-console0]id 0 0
[Huawei-ui-console0]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 68.0.0.8 24
[Huawei-GigabitEthernet0/0/1]int g0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 78.0.0.8 24
[Huawei-GigabitEthernet0/0/0]int loop0
[Huawei-LoopBack0]ip add 8.8.8.8 32
[Huawei-LoopBack0]q
[Huawei]ip route-s 6.6.6.6 32 68.0.0.6
[Huawei]rip
[Huawei-rip-1]v 2
[Huawei-rip-1]undo sum
[Huawei-rip-1]net 8.0.0.0
[Huawei-rip-1]net 78.0.0.0

二、配置BGP及反射器

R1

[Huawei]bgp 100
[Huawei-bgp]router-id 1.1.1.1
[Huawei-bgp]peer 2.2.2.2 as-n 100
[Huawei-bgp]peer 2.2.2.2 connect-interface LoopBack0
[Huawei-bgp]peer 5.5.5.5 as-n 100
[Huawei-bgp]peer 5.5.5.5 connect-interface LoopBack0
[Huawei-bgp]peer 2.2.2.2 re
[Huawei-bgp]net 1.1.1.1 32
[Huawei-bgp]net 2.2.2.2 32
[Huawei-bgp]net 5.5.5.5 32

R2

[Huawei]bgp 100
[Huawei-bgp]router-id 2.2.2.2
[Huawei-bgp]peer 1.1.1.1 as-n 100
[Huawei-bgp]peer 3.3.3.3 as-n 100
[Huawei-bgp]peer 4.4.4.4 as-n 100
[Huawei-bgp]peer 5.5.5.5 as-n 100
[Huawei-bgp]peer 1.1.1.1 connect-interface LoopBack0
[Huawei-bgp]peer 3.3.3.3 connect-interface LoopBack0
[Huawei-bgp]peer 4.4.4.4 connect-interface LoopBack0
[Huawei-bgp]peer 5.5.5.5 connect-interface LoopBack0
[Huawei-bgp]peer 1.1.1.1 reflect-client
[Huawei-bgp]peer 4.4.4.4 reflect-client
[Huawei-bgp]peer 5.5.5.5 reflect-client
[Huawei-bgp]peer 3.3.3.3 reflect-client
[Huawei-bgp]net 1.1.1.1 32
[Huawei-bgp]net 2.2.2.2 32
[Huawei-bgp]net 3.3.3.3 32
[Huawei-bgp]net 4.4.4.4 32
[Huawei-bgp]net 5.5.5.5 32

R3

[Huawei]bgp 100
[Huawei-bgp]router-id 3.3.3.3
[Huawei-bgp]peer 2.2.2.2 as-n 100
[Huawei-bgp]peer 6.6.6.6 as-n 100
[Huawei-bgp]peer 2.2.2.2 con loop0
[Huawei-bgp]peer 6.6.6.6 con loop0
[Huawei-bgp]peer 7.7.7.7 as-n 200
[Huawei-bgp]peer 7.7.7.7 con loop0
[Huawei-bgp]peer 7.7.7.7 ebgp-max-hop 2
[Huawei-bgp]net 2.2.2.2 32
[Huawei-bgp]net 6.6.6.6 32
[Huawei-bgp]net 3.3.3.3 32
[Huawei-bgp]net 7.7.7.7 32

R4

[Huawei]bgp 100
[Huawei-bgp]router-id 4.4.4.4
[Huawei-bgp]peer 2.2.2.2 as-n 100
[Huawei-bgp]peer 5.5.5.5 as-n 100
[Huawei-bgp]peer 2.2.2.2 connect-interface LoopBack0
[Huawei-bgp]peer 5.5.5.5 connect-interface LoopBack0
[Huawei-bgp]net 4.4.4.4 32
[Huawei-bgp]net 5.5.5.5 32

R5

[Huawei]bgp 100
[Huawei-bgp]router-id 5.5.5.5
[Huawei-bgp]peer 1.1.1.1 as-n 100
[Huawei-bgp]peer 2.2.2.2 as-n 100
[Huawei-bgp]peer 4.4.4.4 as-n 100
[Huawei-bgp]peer 6.6.6.6 as-n 100
[Huawei-bgp]peer 1.1.1.1 connect-interface LoopBack0
[Huawei-bgp]peer 2.2.2.2 connect-interface LoopBack0
[Huawei-bgp]peer 4.4.4.4 connect-interface LoopBack0
[Huawei-bgp]peer 6.6.6.6 connect-interface LoopBack0
[Huawei-bgp]peer 1.1.1.1 reflect-client
[Huawei-bgp]peer 2.2.2.2 reflect-client
[Huawei-bgp]peer 4.4.4.4 reflect-client
[Huawei-bgp]peer 6.6.6.6 reflect-client
[Huawei-bgp]net 1.1.1.1 32
[Huawei-bgp]net 2.2.2.2 32
[Huawei-bgp]net 4.4.4.4 32
[Huawei-bgp]net 5.5.5.5 32
[Huawei-bgp]net 6.6.6.6 32

R6

[Huawei]bgp 100
[Huawei-bgp]router-id 6.6.6.6
[Huawei-bgp]peer 5.5.5.5 as-n 100
[Huawei-bgp]peer 3.3.3.3 as-n 100
[Huawei-bgp]peer 3.3.3.3 connect-interface LoopBack0
[Huawei-bgp]peer 5.5.5.5 connect-interface LoopBack0
[Huawei-bgp]peer 8.8.8.8 as-n 200
[Huawei-bgp]peer 8.8.8.8 connect-interface LoopBack0
[Huawei-bgp]peer 8.8.8.8 ebgp-max-hop 2
[Huawei-bgp]net 3.3.3.3 32
[Huawei-bgp]net 5.5.5.5 32
[Huawei-bgp]net 6.6.6.6 32
[Huawei-bgp]net 8.8.8.8 32

R7

[Huawei]bgp 200
[Huawei-bgp]router-id 7.7.7.7
[Huawei-bgp]peer 8.8.8.8 as-n 200
[Huawei-bgp]peer 3.3.3.3 as-n 100
[Huawei-bgp]peer 8.8.8.8 connect-interface LoopBack0
[Huawei-bgp]peer 3.3.3.3 connect-interface LoopBack0
[Huawei-bgp]peer 8.8.8.8 next-hop-local
[Huawei-bgp]peer 3.3.3.3 ebgp-max-hop 2
[Huawei-bgp]net 3.3.3.3 32
[Huawei-bgp]net 7.7.7.7 32
[Huawei-bgp]net 8.8.8.8 32

R8

[Huawei]bgp 200
[Huawei-bgp]router-id 8.8.8.8
[Huawei-bgp]peer 7.7.7.7 as-n 200
[Huawei-bgp]peer 6.6.6.6 as-n 100
[Huawei-bgp]peer 7.7.7.7 connect-interface LoopBack0
[Huawei-bgp]peer 6.6.6.6 connect-interface LoopBack0
[Huawei-bgp]peer 7.7.7.7 next-hop-local
[Huawei-bgp]peer 6.6.6.6 ebgp-max-hop 2
[Huawei-bgp]net 6.6.6.6 32
[Huawei-bgp]net 7.7.7.7 32
[Huawei-bgp]net 8.8.8.8 32

三、连通性(以R8的环回口举例)

[Huawei-bgp]ping -a 8.8.8.8 1.1.1.1PING 1.1.1.1: 56  data bytes, press CTRL_C to breakReply from 1.1.1.1: bytes=56 Sequence=1 ttl=253 time=40 msReply from 1.1.1.1: bytes=56 Sequence=2 ttl=253 time=40 msReply from 1.1.1.1: bytes=56 Sequence=3 ttl=253 time=30 msReply from 1.1.1.1: bytes=56 Sequence=4 ttl=253 time=30 msReply from 1.1.1.1: bytes=56 Sequence=5 ttl=253 time=40 ms--- 1.1.1.1 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 30/36/40 ms[Huawei-bgp]ping -a 8.8.8.8 2.2.2.2PING 2.2.2.2: 56  data bytes, press CTRL_C to breakReply from 2.2.2.2: bytes=56 Sequence=1 ttl=253 time=30 msReply from 2.2.2.2: bytes=56 Sequence=2 ttl=253 time=30 msReply from 2.2.2.2: bytes=56 Sequence=3 ttl=253 time=30 msReply from 2.2.2.2: bytes=56 Sequence=4 ttl=253 time=30 msReply from 2.2.2.2: bytes=56 Sequence=5 ttl=253 time=30 ms--- 2.2.2.2 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 30/30/30 ms[Huawei-bgp]ping -a 8.8.8.8 3.3.3.3PING 3.3.3.3: 56  data bytes, press CTRL_C to breakReply from 3.3.3.3: bytes=56 Sequence=1 ttl=254 time=40 msReply from 3.3.3.3: bytes=56 Sequence=2 ttl=254 time=30 msReply from 3.3.3.3: bytes=56 Sequence=3 ttl=254 time=20 msReply from 3.3.3.3: bytes=56 Sequence=4 ttl=254 time=20 msReply from 3.3.3.3: bytes=56 Sequence=5 ttl=254 time=30 ms--- 3.3.3.3 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 20/28/40 ms[Huawei-bgp]ping -a 8.8.8.8 4.4.4.4PING 4.4.4.4: 56  data bytes, press CTRL_C to breakReply from 4.4.4.4: bytes=56 Sequence=1 ttl=253 time=30 msReply from 4.4.4.4: bytes=56 Sequence=2 ttl=253 time=40 msReply from 4.4.4.4: bytes=56 Sequence=3 ttl=253 time=40 msReply from 4.4.4.4: bytes=56 Sequence=4 ttl=253 time=30 msReply from 4.4.4.4: bytes=56 Sequence=5 ttl=253 time=30 ms--- 4.4.4.4 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 30/34/40 ms[Huawei-bgp]ping -a 8.8.8.8 5.5.5.5PING 5.5.5.5: 56  data bytes, press CTRL_C to breakReply from 5.5.5.5: bytes=56 Sequence=1 ttl=254 time=20 msReply from 5.5.5.5: bytes=56 Sequence=2 ttl=254 time=20 msReply from 5.5.5.5: bytes=56 Sequence=3 ttl=254 time=10 msReply from 5.5.5.5: bytes=56 Sequence=4 ttl=254 time=20 msReply from 5.5.5.5: bytes=56 Sequence=5 ttl=254 time=20 ms--- 5.5.5.5 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 10/18/20 ms[Huawei-bgp]ping -a 8.8.8.8 6.6.6.6PING 6.6.6.6: 56  data bytes, press CTRL_C to breakReply from 6.6.6.6: bytes=56 Sequence=1 ttl=255 time=30 msReply from 6.6.6.6: bytes=56 Sequence=2 ttl=255 time=30 msReply from 6.6.6.6: bytes=56 Sequence=3 ttl=255 time=30 msReply from 6.6.6.6: bytes=56 Sequence=4 ttl=255 time=20 msReply from 6.6.6.6: bytes=56 Sequence=5 ttl=255 time=20 ms--- 6.6.6.6 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 20/26/30 ms[Huawei-bgp]ping -a 8.8.8.8 7.7.7.7PING 7.7.7.7: 56  data bytes, press CTRL_C to breakReply from 7.7.7.7: bytes=56 Sequence=1 ttl=255 time=20 msReply from 7.7.7.7: bytes=56 Sequence=2 ttl=255 time=20 msReply from 7.7.7.7: bytes=56 Sequence=3 ttl=255 time=30 msReply from 7.7.7.7: bytes=56 Sequence=4 ttl=255 time=10 msReply from 7.7.7.7: bytes=56 Sequence=5 ttl=255 time=20 ms--- 7.7.7.7 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 10/20/30 ms

总结

做个试验,让大家稍微了解下BGP反射器的配置命令

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