华为BGP实验案例-原创文章「思路-方法-工具-教程」蚁安黑客技术论坛-第1页

图片：1.png

实验要求: 1.1.1.1访问5.5.5.5走R1-R2-R4-R5
5.5.5.5访问1.1.1.1走R5-R4-R3-R1
一、配置IP
二、为R2、R3、R4配置IGP动态路由OSPF
R2
<R2>sys
Enter system view, return user view with
Ctrl+Z.
[R2]ospf 100
[R2-ospf-100]area 0.0.0.0
[R2-ospf-100-area-0.0.0.0]net
[R2-ospf-100-area-0.0.0.0]network 12.1.1.0
0.0.0.255
[R2-ospf-100-area-0.0.0.0]network 24.1.1.0
0.0.0.255
[R2-ospf-100-area-0.0.0.0]
R3

<R3>sys

Enter system view, return user view with
Ctrl+Z.

[R3]ospf 100

[R3-ospf-100]area 0.0.0.0

[R3-ospf-100-area-0.0.0.0]net

[R3-ospf-100-area-0.0.0.0]network 13.1.1.0
0.0.0.255

[R3-ospf-100-area-0.0.0.0]network
34.1.1.0 0.0.0.255

R4
<R4>sys
Enter system view, return user view with
Ctrl+Z.
[R4]ospf 100
[R4-ospf-100]area 0.0.0.0
[R4-ospf-100-area-0.0.0.0]net
[R4-ospf-100-area-0.0.0.0]network
24.1.1.0 0.0.0.255
[R4-ospf-100-area-0.0.0.0]network
45.1.1.0 0.0.0.255
[R4-ospf-100-area-0.0.0.0]network
34.1.1.0 0.0.0.255
配置bgp

R1
[R1]bgp 100
[R1-bgp]rou
[R1-bgp]router-id 1.1.1.1
[R1-bgp]peer 12.1.1.2 as
[R1-bgp]peer 12.1.1.2 as-n
[R1-bgp]peer 12.1.1.2 as-number 200
[R1-bgp]peer 13.1.1.3 as-n
[R1-bgp]peer 13.1.1.3 as-number 200
[R1-bgp]net
[R1-bgp]network 1.1.1.1 255.255.255.255
R2
[R2]bgp 200
[R2-bgp]router-id 2.2.2.2
[R2-bgp]peer 12.1.1.1 as-n
[R2-bgp]peer 12.1.1.1 as-number 100
[R2-bgp]peer 24.1.1.4 as-number 200
[R2-bgp]im
[R2-bgp]import-route ospf 100
[R2-bgp]peer 24.1.1.4 next
[R2-bgp]peer 24.1.1.4 next-hop-local
R3
[R3]
[R3]bgp 200
[R3-bgp]router-id 3.3.3.3
[R3-bgp]peer 13.1.1.1 as-n
[R3-bgp]peer 13.1.1.1 as-number 100
[R3-bgp]peer 34.1.1.4 as-n
[R3-bgp]peer 34.1.1.4 as-number 200
[R3-bgp]im
[R3-bgp]import-route ospf 100
[R3-bgp]peer 34.1.1.4 next-
[R3-bgp]peer 34.1.1.4 next-hop-local
R4
[R4]bgp 200
[R4-bgp]router-id 4.4.4.4
[R4-bgp]peer 24.1.1.2 as-number 200
[R4-bgp]peer 34.1.1.3 as-number 200
[R4-bgp]peer 45.1.1.5 as-number 300
[R4-bgp]undo synchronization
[R4-bgp]import-route ospf 100
[R4-bgp]peer 24.1.1.2 next-hop-local
[R4-bgp]peer 34.1.1.3 next-hop-local
R5
[R5]bgp 300
[R5-bgp]router-id 5.5.5.5
[R5-bgp]peer 45.1.1.4 as-number
200
[R5-bgp]net
[R5-bgp]network 5.5.5.5
255.255.255.255
[R5-bgp]
配置选路规则
R2
[R2]route-policy xiao permit node 10
Info: New Sequence of this List.
[R2-route-policy]apply local-preference
222
[R2-route-policy]bgp 200
[R2-bgp]peer 12.1.1.1 route-policy xiao
export
R3

[R3]route-policy pi permit node
10

Info: New Sequence of this
List.

[R3-route-policy]apply
local-preference 222

[R3-route-policy]bgp 200

[R3-bgp]peer 34.1.1.4 route-policy pi
export

本文标题：华为BGP实验案例
本文作者：小皮
本文来自：蚁安黑客官网
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