dialerDial on demand events debugging is on(从路由器R1的S0接口上拨下串行电缆)05:59:12:%LINK3UPDOWN:Interface Serial0,changed state to down05:59

500)this.width=500;" border=0>r1(configif)#do wr tBuilding configura tion...Current configuration

拓扑:R1,R2,R3,R4连到交换机上,RID分别是:1.1.1.1 ,2.2.2.2, 3.3.3.3 ,4.4.4.4R1:10.11.11.11/8 R2:10.2.2.2/8 R3

实验环境说明：1.将路由器R5的Fa0/0端口的ip设为：192.168.4.5/24；S1/1端口的ip设为：192.168.3.5/242.将路由器R1的 S1/1端口的ip设为

lo0:20.20.20.20/32 lo1:20.20.20.21/32基本配置：r1:router bgp 9806nei

实验环境说明：1.将路由器R5的Fa0/0端口的ip设为：192.168.4.5/24；S1/1端口的ip设为：192.168.3.5/242.将路由器R1的 S1/1端口的ip设为

:20.20.20.21/32 基本配置： r1: router bgp 9806 nei 20.20.20.20 remoteas 4808 bgp routerid 1.1.1.1 r2: router

：r1:router bgp 9806nei 20.20.20.20 remoteas 4808bgp routerid 1.1.1.1r2:router bgp 4808nei 1.1.1.1

：r1:router bgp 9806nei 20.20.20.20 remoteas 4808bgp routerid 1.1.1.1r2:router bgp 4808nei 1.1.1.1

:20.20.20.21/32基本配置：r1:router bgp 9806nei 20.20.20.20 remoteas 4808bgp routerid 1.1.1.1r2:router bgp 4808nei 1.1.1.1 remoteas 9806nei 1.1