BGP基础实验

实验拓扑及要求

配置IP

配置ospf

R2
#
ospf 1 router-id 2.2.2.2 import-route bgparea 0.0.0.0 network 2.2.2.2 0.0.0.0 network 100.2.2.0 0.0.0.255 R3
ospf 1 router-id 3.3.3.3 area 0.0.0.0 network 3.3.3.3 0.0.0.0 network 100.2.2.0 0.0.0.255 network 100.3.3.0 0.0.0.255 R4
ospf 1 router-id 4.4.4.4 import-route bgparea 0.0.0.0 network 4.4.4.4 0.0.0.0 network 100.3.3.0 0.0.0.255 

配置BGP

R1
bgp 100peer 100.1.1.2 as-number 200 #ipv4-family unicastundo synchronizationnetwork 192.168.1.0 peer 100.1.1.2 enableR2
bgp 200peer 4.4.4.4 as-number 200 peer 4.4.4.4 connect-interface LoopBack0peer 100.1.1.1 as-number 100 #ipv4-family unicastundo synchronization //自动生成peer 4.4.4.4 enable //自动生成peer 4.4.4.4 next-hop-local peer 100.1.1.1 enable //自动生成R4
bgp 200peer 2.2.2.2 as-number 200 peer 2.2.2.2 connect-interface LoopBack0peer 100.4.4.5 as-number 300 #ipv4-family unicastundo synchronizationpeer 2.2.2.2 enablepeer 2.2.2.2 next-hop-local peer 100.4.4.5 enableR5
bgp 300peer 100.4.4.4 as-number 200 #ipv4-family unicastundo synchronization //自动生成network 192.168.2.0 peer 100.4.4.4 enable //自动生成

引入

import-route bgp
在R2 R4配置

业务网段可以通讯