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1、实验EIGRP路由手工汇总的配置R1、R2、R3运行EIGRP，手工汇总各离散网段，各路由器的各环回口之间互相路由可达。实验步骤(1)配置各台路由器的EIGRP协议，不关闭自动汇总。R1配置R1(config)#routereigrp10R1(config-router)#network10.0.0.00.3.255.255R1(config-router)#network172.16.0.00.0.0.3R2配置R2(config)#routereigrp10R2(config-router)#network172.16.0.00.0.0.3R
2、2(config-router)#network172.16.0.40.0.0.3R3配置R3(config)#routereigrp10R3(config-router)#network172.16.0.40.0.0.3R3(config-router)#network172.16.0.80.0.0.3R3(config-router)#network192.168.0.00.0.3.255R4配置R4(config)#routereigrp10R4(config-router)#network172.16.0.80.0.0.3R4(confi
3、g-router)#network10.16.0.00.3.255.255(2)在R2、R3、R4上分别pingR1环回口，观察现象。R2#ping10.0.0.1!!!!!R3#ping10.0.0.1U.U.UR4#ping10.0.0.1.....分别在R1、R2、R3、R4查看路由表。R1#showiproute172.16.0.0/16isvariablysubnetted,4subnets,2masksD172.16.0.8/30[90/332800]via172.16.0.2,00:08:47,Ethernet0/0D172.16.
4、0.4/30[90/307200]via172.16.0.2,00:09:55,Ethernet0/0C172.16.0.0/30isdirectlyconnected,Ethernet0/0D172.16.0.0/16isasummary,00:10:44,Null010.0.0.0/8isvariablysubnetted,5subnets,2masksC10.2.0.0/24isdirectlyconnected,Loopback2C10.3.0.0/24isdirectlyconnected,Loopback3由于EIGRP自动汇总，并且
5、R1上存在10.0.0.0/8主类网络边界，自动生成一条指向null0的路由，向主类边界的接口宣告出去C10.0.0.0/24isdirectlyconnected,Loopback0D10.0.0.0/8isasummary,00:10:44,Null0C10.1.0.0/24isdirectlyconnected,Loopback1D192.168.0.0/24[90/435200]via172.16.0.2,00:08:09,Ethernet0/0D192.168.1.0/24[90/435200]via172.16.0.2,00:08:0
6、9,Ethernet0/0D192.168.2.0/24[90/435200]via172.16.0.2,00:08:10,Ethernet0/0D192.168.3.0/24[90/435200]via172.16.0.2,00:08:10,Ethernet0/0R2#showiproute172.16.0.0/30issubnetted,3subnetsD172.16.0.8[90/307200]via172.16.0.6,00:16:52,Ethernet0/1C172.16.0.4isdirectlyconnected,Ethernet0
7、/1R2具有到达R1环回口地址的路由，该路由是R1宣告来的汇总路由10.0.0.0/8，因此R2可以ping通R1环回口地址10.0.0.1C172.16.0.0isdirectlyconnected,Ethernet0/0D10.0.0.0/8[90/409600]via172.16.0.1,00:15:12,Ethernet0/0D192.168.0.0/24[90/409600]via172.16.0.6,00:16:15,Ethernet0/1D192.168.1.0/24[90/409600]via172.16.0.6,00:16:15
8、,Ethernet0/1D192.168.2.0/24[90/409600]via172.16.0.6,00:16:15,Etherne
