BGP初步配置实验（bgp配置实例讲解）

BGP初步配置实验（bgp配置实例讲解）

实验要求：

结合其他路由协议，完成BGP初步配置，实现全网互通。

实验环境：

实验配置：

基本配置：

IOU1:

config terminalint e0/0ip address 12.12.12.1 255.255.255.0no shutdownint loop 0ip address 1.1.1.1 255.255.255.255no shutdownexit

IOU2:

config terminalint e0/0ip address 12.12.12.2 255.255.255.0no shutdownint e0/1ip address 23.23.23.2 255.255.255.0no shutdownint loop 0ip address 2.2.2.2 255.255.255.0no shutdownexit

IOU3:

config terminalint e0/0ip address 23.23.23.3 255.255.255.0no shutdownint e0/1ip address 34.34.34.3 255.255.255.0no shutdownint loop 0ip address 3.3.3.3 255.255.255.255no shutdownexit

IOU4:

config terminalint e0/0ip address 34.34.34.4 255.255.255.0no shutdownint loop 0ip address 4.4.4.4 255.255.255.255no shutdownexit

路由配置：

IOU1:

router bgp 100bgp router-id 1.1.1.1no synchronizationneighbor 2.2.2.2 remote-as 100neighbor 2.2.2.2 update-source loopback 0network 12.12.12.0 mask 255.255.255.0network 1.1.1.1 mask 255.255.255.255neighbor 3.3.3.3 remote-as 100neighbor 3.3.3.3 update-source loopback 0exitrouter ospf 1network 1.1.1.1 0.0.0.0 area 0network 12.12.12.0 0.0.0.255 area 0exit

IOU2:

router bgp 100bgp router-id 2.2.2.2no synchronizationneighbor 1.1.1.1 remote-as 100neighbor 1.1.1.1 update-source loopback 0neighbor 3.3.3.3 remote-as 100neighbor 3.3.3.3 update-source loopback 0network 2.2.2.2 mask 255.255.255.255network 23.23.23.0 mask 255.255.255.0exitrouter ospf 1network 2.2.2.2 0.0.0.0 area 0network 12.12.12.0 0.0.0.255 area 0network 23.23.23.0 0.0.0.255 area 0exit

IOU3:

router bgp 100bgp router-id 3.3.3.3neighbor 1.1.1.1 remote-as 100neighbor 1.1.1.1 update-source loopback 0neighbor 2.2.2.2 remote-as 100neighbor 2.2.2.2 update-source loopback 0neighbor 4.4.4.4 remote-as 200neighbor 4.4.4.4 update-source loopback 0neighbor 4.4.4.4 ebgp-multihop 10exitip route 4.4.4.0 255.255.255.0 34.34.34.4router ospf 1network 3.3.3.3 0.0.0.0 area 0network 23.23.23.0 0.0.0.255 area 0exit

IOU4：

router bgp 200no synchronizationbgp router-id 4.4.4.4neighbor 3.3.3.3 remote-as 100neighbor 3.3.3.3 update-source loopback 0neighbor 3.3.3.3 ebgp-multihop 10network 4.4.4.4 mask 255.255.255.255exitip route 3.3.3.0 255.255.255.0 34.34.34.3

验证结果：

验证完成，配置结束。

（如有疏漏，还请读者指出）

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