BGP基础实验

最新推荐文章于 2025-08-05 19:47:00 发布

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最新推荐文章于 2025-08-05 19:47:00 发布

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文章标签：网络

本文链接：https://blog.youkuaiyun.com/weixin_72202802/article/details/128898128

该配置过程涉及在华为路由器上设置IP地址，创建OSPF区域并宣告网络，建立EBGP和IBGP对等体关系，并通过环回接口进行连接。同时，BGP路由宣告中设置了下一跳为本地地址。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

实验拓扑

配置IP环回

<Huawei>system-view

[Huawei]sysname r1

[r1]int g0/0/1

[r1-GigabitEthernet0/0/1]ip add 12.1.1.1 24

[r1-GigabitEthernet0/0/1]int l0

[r1-LoopBack0]ip add 1.1.1.1 32

[r1-LoopBack0]int l1

[r1-LoopBack1]ip add 1.1.10.1 24

<Huawei>system-view

[Huawei]sysname r2

[r2]int g0/0/0

[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 24

[r2-GigabitEthernet0/0/0]

[r2-GigabitEthernet0/0/0]int g0/0/1

[r2-GigabitEthernet0/0/1]ip add 23.1.1.1 24

[r2-GigabitEthernet0/0/1]int l0

[r2-LoopBack0]ip add 1.1.1.2 32

[r2-LoopBack0]int l1

[r2-LoopBack1]ip add 2.2.2.2 24

<Huawei>system-view

[Huawei]sysname r3

[r3]int g0/0/0

[r3-GigabitEthernet0/0/0]ip add 23.1.1.2 24

[r3-GigabitEthernet0/0/0]int g0/0/1

[r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24

[r3-GigabitEthernet0/0/1]int l0

[r3-LoopBack0]ip add 1.1.1.3 32

[r3-LoopBack0]int l1

[r3-LoopBack1]ip add 3.3.3.3 24

<Huawei>system-view

[Huawei]sysname r4

[r4]int g0/0/0

[r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24

[r4-GigabitEthernet0/0/0]int l0

[r4-LoopBack0]int g0/0/1

[r4-GigabitEthernet0/0/1]ip add 45.1.1.1 24

[r4-GigabitEthernet0/0/1]int g0/0/2

[r4-GigabitEthernet0/0/2]ip add 54.1.1.1 24

[r4-GigabitEthernet0/0/2]int l0

[r4-LoopBack0]ip add 1.1.1.4 32

[r4-LoopBack0]int l1

[r4-LoopBack1]ip add 4.4.4.4 24

<Huawei>system-view

[Huawei]sysname r5

[r5]int g0/0/0

[r5-GigabitEthernet0/0/0]ip add 45.1.1.2 24

[r5-GigabitEthernet0/0/0]int g0/0/2

[r5-GigabitEthernet0/0/2]ip add 54.1.1.2 24

[r5-GigabitEthernet0/0/2]int l0

[r5-LoopBack0]ip add 1.1.1.5 32

[r5-LoopBack0]int l1

将AS2内配置ospf

[r2]ospf 1 router-id 2.0.0.0

[r2-ospf-1]area 0

[r2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0

[r2-ospf-1-area-0.0.0.0]network 1.1.1.2 0.0.0.0

[r2-ospf-1-area-0.0.0.0]network 23.1.1.1 0.0.0.0

[r3]ospf 1 rou

[r3]ospf 1 router-id 3.0.0.0

[r3-ospf-1]area 0

[r3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0

[r3-ospf-1-area-0.0.0.0]network 1.1.1.3 0.0.0.0

[r3-ospf-1-area-0.0.0.0]network 23.1.1.2 0.0.0.0

[r3-ospf-1-area-0.0.0.0]network 34.1.1.1 0.0.0.0

[r4]ospf 1 router-id 4.0.0.0

[r4-ospf-1]area 0

[r4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0

[r4-ospf-1-area-0.0.0.0]network 1.1.1.4 0.0.0.0

[r4-ospf-1-area-0.0.0.0]network 34.1.1.2 0.0.0.0

2.建立BGP对等体关系,EBGP用直连，IBGP用环回接口，R2-R4也建立IBGP

[r1]bgp 1

[r1-bgp]router-id 1.1.1.1

[r1-bgp]peer 12.1.1.2 as-number 2

[r2]bgp 2

[r2-bgp]router-id 2.2.2.2

[r2-bgp]peer 12.1.1.1 as-number 1

[r2-bgp]peer 3.3.3.3 as-number 2

[r2-bgp]peer 3.3.3.3 connect-interface LoopBack 0

[r3]bgp 2

[r3-bgp]router-id 3.3.3.3

[r3-bgp]peer 2.2.2.2 as-number 2

[r3-bgp]peer 2.2.2.2 connect-interface LoopBack 0

[r3-bgp]peer 4.4.4.4 as-number 2

[r3-bgp]peer 4.4.4.4 connect-interface LoopBack 0

[r4]bgp 2

[r4-bgp]router-id 4.4.4.4

[r4-bgp]peer 3.3.3.3 as-number 2

[r4-bgp]peer 3.3.3.3 connect-interface LoopBack 0

[r4-bgp]peer 45.1.1.2 as-number 3

[r5]bgp 3

[r5-bgp]router-id 5.5.5.5

[r5-bgp]peer 45.1.1.1 as-number 2

[r2-bgp]peer 4.4.4.4 as 2

[r2-bgp]peer 4.4.4.4 connect-interface LoopBack 0

[r4-bgp]peer 2.2.2.2 as 2

[

3.BGP宣告R1,R5环回路由，BGP中将下一跳改为本地

[r1-bgp]network 1.1.1.0 24

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

[r2-bgp]peer 4.4.4.4 next-hop-local

[r5-bgp]network 5.5.5.0 24

[r4-bgp]peer 3.3.3.3 next-hop-local

[r4-bgp]peer 2.2.2.2 next-hop-local