BGP四种属性配置实验（bgp基本配置实验）

BGP四种属性配置实验（bgp基本配置实验）

实验要求：

配置BGP属性并通过实验了解其作用。

实验环境：

实验配置：

端口配置：

IOU1:

config terminalinterface e0/0ip address 12.12.12.1 255.255.255.0no shutdowninterface e0/1ip address 45.45.45.1 255.255.255.0no shutdowninterface loopback 0ip address 1.1.1.1 255.255.255.255no shutdownexit

IOU2:

config terminalinterface e0/0ip address 12.12.12.2 255.255.255.0no shutdowninterface e0/1ip address 23.23.23.1 255.255.255.0no shutdowninterface loopback 0ip address 2.2.2.2 255.255.255.0no shutdownexit

IOU3:

config terminalinterface e0/0ip address 34.34.34.1 255.255.255.0no shutdowninterface e0/1ip address 45.45.45.2 255.255.255.0no shutdowninterface loop 0ip address 3.3.3.3 255.255.255.255no shutdownexit

IOU4:

config terminalinterface e0/0ip address 34.34.34.2 255.255.255.0no shutdowninterface e0/1ip address 23.23.23.2 255.255.255.0no shutdowninterface loop 0ip address 4.4.4.4 255.255.255.0no shutdownexit

配置EIGRP：

IOU1:

router eigrp 1network 1.1.1.1 0.0.0.0network 12.12.12.1 0.0.0.0network 45.45.45.1 0.0.0.0exit

IOU2:

router eigrp 1network 2.2.2.2 0.0.0.0network 12.12.12.2 0.0.0.0exit

IOU3:

router eigrp 1network 3.3.3.3 0.0.0.0network 45.45.45.2 0.0.0.0exit

配置BGP：

IOU1:

router bgp 100bgp router-id 1.1.1.1neighbor 2.2.2.2 remote-as 100neighbor 3.3.3.3 remote-as 100neighbor 2.2.2.2 update-source loopback 0neighbor 3.3.3.3 update-source loopback 0neighbor 2.2.2.2 next-hop-selfneighbor 3.3.3.3 next-hop-selfnetwork 1.1.1.1 mask 255.255.255.255network 12.12.12.0 mask 255.255.255.0network 45.45.45.0 mask 255.255.255.0exit

IOU2:

router bgp 100bgp router-id 2.2.2.2neighbor 1.1.1.1 remote-as 100neighbor 3.3.3.3 remote-as 100neighbor 23.23.23.2 remote-as 200neighbor 1.1.1.1 update-source loopback 0neighbor 3.3.3.3 update-source loopback 0neighbor 1.1.1.1 next-hop-selfneighbor 3.3.3.3 next-hop-selfnetwork 2.2.2.2 mask 255.255.255.255network 12.12.12.0 mask 255.255.255.0network 23.23.23.0 mask 255.255.255.0exit

IOU3:

router bgp 100bgp router-id 3.3.3.3neighbor 1.1.1.1 remote-as 100neighbor 2.2.2.2 remote-as 100neighbor 34.34.34.2 remote-as 200neighbor 1.1.1.1 update-source loopback 0neighbor 2.2.2.2 update-source loopback 0neighbor 1.1.1.1 next-hop-selfneighbor 2.2.2.2 next-hop-selfnetwork 3.3.3.3 mask 255.255.255.255network 45.45.45.0 mask 255.255.255.0network 34.34.34.0 mask 255.255.255.0exit

IOU4:

router bgp 200neighbor 23.23.23.1 remote-as 100neighbor 34.34.34.1 remote-as 100network 4.4.4.4 mask 255.255.255.255network 23.23.23.0 mask 255.255.255.0network 34.34.34.0 mask 255.255.255.0exit

起源属性：

IOU4:

ip prefix-list 1 permit 4.4.4.0/24route-map origin permit 10match ip address prefix-list 1set origin egp 900exitroute-map origin permit 20exitrouter bgp 200neighbor 23.23.23.1 route-map origin outexit

AS-Path属性：

IOU4:

ip prefix-list 1 permit 4.4.4.0/24route-map aspath permit 10match ip address prefix-list 1set as-path prepend 600 700exitrouter bgp 200neighbor 34.34.34.1 route-map aspath outexit

LOCAL_PREF 属性：

IOU3:

ip prefix-list 1 permit 4.4.4.0/24route-map local_pref permit 10match ip address prefix-list 1set local-preference 2000exitroute-map local_pref permit 20exitrouter bgp 100neighbor 34.34.34.2 route-map local_pref inexit

Weight属性：

IOU2:

router bgp 100neighbor 1.1.1.1 weight 200neighbor 3.3.3.3 weight 200neighbor 23.23.23.2 weight 500exit

配置完成，实验结束。如有疏漏，还请读者指出。

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