• BGP和MPLS综合实验来啦！超级详细！一看就会，附有完整源码

    文章目录

    BGP和MPLS实验

    1，实验要求

    image-20220801214506684

    2，画实验拓扑图，并划分网段

    image-20220801214934769

    3，配置各个路由器接口地址以及环回

    [R1-GigabitEthernet0/0/0]ip address 12.1.1.1 24
[R1-GigabitEthernet0/0/1]ip address 15.1.1.1 24 
[R1-LoopBack0]ip address 1.1.1.1 24

[R2-GigabitEthernet0/0/0]ip address 12.1.1.2 24
[R2-GigabitEthernet0/0/1]ip address 172.16.1.1 30
[R2-GigabitEthernet0/0/2]ip address 172.16.1.17 30
[R2-LoopBack0]ip address 172.16.0.2 32
[R2-LoopBack1]ip address 172.16.2.1 24


[R3-GigabitEthernet0/0/0]ip address 172.16.1.2 30
[R3-GigabitEthernet0/0/1]ip address 172.16.1.5 30
[R3-GigabitEthernet0/0/2]ip address 172.16.1.13 30
[R3-LoopBack0]ip address 172.16.0.3 32
[R3-LoopBack1]ip address 172.16.3.1 24

[R4-GigabitEthernet0/0/0]ip address 172.16.1.6 30
[R4-GigabitEthernet0/0/1]ip address 172.16.1.9 30
[R4-LoopBack0]ip address 172.16.0.4 32
[R4-LoopBack1]ip address 172.16.4.1 32

[R5-GigabitEthernet0/0/0]ip address 172.16.1.18 30
[R5-GigabitEthernet0/0/1]ip address 15.1.1.5 24
[R5-GigabitEthernet0/0/2]ip address 172.16.1.21 30
[R5-LoopBack0]ip address 172.16.0.5 32
[R5-LoopBack1]ip address 172.16.5.1 24


[R6-GigabitEthernet0/0/0]ip address 172.16.1.14 30
[R6-GigabitEthernet0/0/1]ip address 172.16.1.22 30
[R6-GigabitEthernet0/0/2]ip address 172.16.1.25 30
[R6-LoopBack0]ip address 172.16.0.6 32
[R6-LoopBack1]ip address 172.16.6.1 24

[R7-GigabitEthernet0/0/0]ip address 172.16.1.10 30
[R7-GigabitEthernet0/0/1]ip address 172.16.1.26 30
[R7-GigabitEthernet0/0/2]ip address 78.1.1.7 24
[R7-LoopBack0]ip address 172.16.0.7 32
[R7-LoopBack1]ip address 172.16.7.1 24

[R8-GigabitEthernet0/0/0]ip address 78.1.1.8 24
[R8-LoopBack0]ip address 8.8.8.8 24

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    4，配置R1到R2,R5以及R8到R7的静态路由协议

    [R1]ip route-static 172.16.0.2 32 12.1.1.2
[R2]ip route-static 1.1.1.1 24 12.1.1.1

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    image-20220801220725765

    [R1]ip route-static 172.16.0.5 32 15.1.1.5
[R5]ip route-static 1.1.1.1 24 15.1.1.1

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    image-20220801220928420

    [R7]ip route-static 8.8.8.8 24 78.1.1.8
[R8]ip route-static 172.16.0.7 32 78.1.1.7

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    image-20220801221257973

    5，在AS2区域启动OSPF协议，并修改用户环回的网络类型

    [R2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R2-LoopBack1]ospf network-type broadcast

[R3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R3-LoopBack1]ospf network-type broadcast

[R4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R4-LoopBack1]ospf network-type broadcast

[R5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R5-LoopBack1]ospf network-type broadcast

[R6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R6-LoopBack1]ospf network-type broadcast

[R7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R7-LoopBack1]ospf network-type broadcast

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    image-20220801222549333

    6，在R1,R2,R5,R7,R8上启动BGP协议

    [R1-bgp]router-id 1.1.1.1
[R1-bgp]peer 12.1.1.2 as-number 2

[R1-bgp]peer 15.1.1.5 as-number 2

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    image-20220802105236652

    [R2]bgp 2       
[R2-bgp]peer 12.1.1.1 as-number 1

[R2-bgp]peer 172.16.0.5 as-number 2
[R2-bgp]peer 172.16.0.5 connect-interface LoopBack 0
[R2-bgp]peer 172.16.0.5 next-hop-local

[R2-bgp]peer 172.16.0.7 as-number 2
[R2-bgp]peer 172.16.0.7 connect-interface LoopBack 0
[R2-bgp]peer 172.16.0.7 next-hop-local

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    image-20220802105300219

    [R5]bgp 2
[R5-bgp]peer 15.1.1.1 as-number 1

[R5-bgp]peer 172.16.0.2 as-number 2
[R5-bgp]peer 172.16.0.2 connect-interface LoopBack 0
[R5-bgp]peer 172.16.0.2 next-hop-local

[R5-bgp]peer 172.16.0.7 as-number 2
[R5-bgp]peer 172.16.0.7 connect-interface LoopBack 0
[R5-bgp]peer 172.16.0.7 next-hop-local

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    image-20220802105321305

    [R7]bgp 2
[R7-bgp]peer 78.1.1.8 as-number 3

[R7-bgp]peer 172.16.0.2 as-number 2
[R7-bgp]peer 172.16.0.2 connect-interface LoopBack 0
[R7-bgp]peer 172.16.0.2 next-hop-local

[R7-bgp]peer 172.16.0.5 as-number 2
[R7-bgp]peer 172.16.0.5 connect-interface LoopBack 0
[R7-bgp]peer 172.16.0.5 next-hop-local

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    image-20220802105343100

    [R8]bgp 3
[R8-bgp]router-id 8.8.8.8 
[R8-bgp]peer 78.1.1.7 as-number 2

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    image-20220802105359582

    7，在AS2区域内各个路由器上启动MPLS

    [R2]mpls lsr-id 172.16.0.2 
[R2]mpls
[R2-mpls]mpls ldp

[R2-GigabitEthernet0/0/1]mpls
[R2-GigabitEthernet0/0/1]mpls ldp

[R2-GigabitEthernet0/0/2]mpls
[R2-GigabitEthernet0/0/2]mpls ldp

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    [R3]mpls lsr-id 172.16.0.3
[R3]mpls
[R3-mpls]mpls ldp

[R3-GigabitEthernet0/0/0]mpls
[R3-GigabitEthernet0/0/0]mpls ldp

[R3-GigabitEthernet0/0/1]mpls
[R3-GigabitEthernet0/0/1]mpls ldp

[R3-GigabitEthernet0/0/2]mpls
[R3-GigabitEthernet0/0/2]mpls ldp

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    [R4]mpls lsr-id 172.16.0.4
[R4]mpls
[R4-mpls]mpls ldp

[R4-GigabitEthernet0/0/0]mpls
[R4-GigabitEthernet0/0/0]mpls ldp

[R4-GigabitEthernet0/0/1]mpls 
[R4-GigabitEthernet0/0/1]mpls ldp

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    [R5]mpls lsr-id 172.16.0.5
[R5]mpls
[R5-mpls]mpls ldp

[R5-GigabitEthernet0/0/0]mpls
[R5-GigabitEthernet0/0/0]mpls ldp

[R5-GigabitEthernet0/0/2]mpls
[R5-GigabitEthernet0/0/2]mpls ldp

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    [R6]mpls lsr-id 172.16.0.6
[R6]mpls
[R6-mpls]mpls ldp

[R6-GigabitEthernet0/0/0]mpls
[R6-GigabitEthernet0/0/0]mpls ldp

[R6-GigabitEthernet0/0/1]mpls
[R6-GigabitEthernet0/0/1]mpls ldp

[R6-GigabitEthernet0/0/2]mpls
[R6-GigabitEthernet0/0/2]mpls ldp

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    [R7]mpls lsr-id 172.16.0.7
[R7]mpls
[R7-mpls]mpls ldp

[R7-GigabitEthernet0/0/0]mpls
[R7-GigabitEthernet0/0/0]mpls ldp

[R7-GigabitEthernet0/0/1]mpls
[R7-GigabitEthernet0/0/1]mpls ldp

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    8，建立空接口和隧道进行递归查找

    [R2]route recursive-lookup tunnel
[R2]ip route-static 172.16.0.0 21 NULL 0
[R2-bgp]network 172.16.0.0 21

[R5]route recursive-lookup tunnel
[R5]ip route-static 172.16.0.0 21 NULL 0
[R5-bgp]network 172.16.0.0 21

[R7]route recursive-lookup tunnel
[R7]ip route-static 172.16.0.0 21 NULL 0
[R7-bgp]network 172.16.0.0 21

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    9，定制路由策略

    [R2]ip ip-prefix med permit 172.16.2.0 24
[R2]route-policy med permit node 10
[R2-route-policy]if-match ip-prefix med
[R2-route-policy]apply cost 1
[R2]route-policy med permit node 20

[R2-bgp]peer 1.1.1.1 route-policy med export

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    10，缺省

    [R3]ip route-static 0.0.0.0 0 172.16.0.2
[R4]ip route-static 0.0.0.0 0 172.16.0.7
[R6]ip route-static 0.0.0.0 0 172.16.0.5

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    11，在R2,R5bgp宣告

    [R2-bgp]network 172.16.2.0 24
[R2-bgp]network 172.16.3.0 24

[R5-bgp]network 172.16.5.0 24
[R5-bgp]network 172.16.6.0 24
[R5-bgp]network 172.16.7.0 24

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    12，在R1,R8上新建环回用来测试

    [R1-LoopBack1]ip address 10.1.1.1 24
[R1-bgp]network 10.1.1.0 24

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    image-20220802104008059

    image-20220802104020968

    image-20220802104130503

    [R8-LoopBack1]ip address 12.1.2.1 24
[R8-bgp]network 12.1.2.0 24

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    image-20220802105751047

    image-20220802105806715

    实验成功！

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  • 原文地址：https://blog.csdn.net/weixin_49252364/article/details/126118252