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1、本次实验详解ipdefault-networknetwork-number在EIGRP中的具体应用：实验要点：1、ipdefault-networknetwork-numbernetwork-number必须是主类网络号；例如：ipdefault-network10.0.0.02、必须在EIGRP进程中进行通告所配置的默认网络号例如：如果默认网络为：ipdefault-network10.0.0.0则，通告必须是network10.0.0.03、必须有到所通告网络的路由注意：如果你通告的是10.
2、0.0.0、172.16.0.0、192.168.1.0，而路由表中没有此路由，那么必须配置一条到此网络的路由例如：iproute10.0.0.0255.0.0.0s0/0(s0/0为路由器出口的地址）或iproute0.0.0.00.0.0.0s0/0下面为本次实验的拓扑图1、实验配置R1#interfaceFastEthernet0/0ipaddress10.1.1.1255.255.255.0iproute0.0.0.00.0.0.0FastEthernet0/0R2#shruninter
3、faceFastEthernet0/0ipaddress10.1.1.2255.255.255.0interfaceFastEthernet0/1ipaddress23.1.1.2255.255.255.0routereigrp90network23.1.1.00.0.0.255network10.0.0.0noauto-summaryipdefault-network10.0.0.0注意接口地址为10.1.1.2，但这里必须是主类网络iproute10.0.0.0255.0.0.0FastEt
4、hernet0/0R3#shruninterfaceFastEthernet0/0ipaddress23.1.1.3255.255.255.0interfaceFastEthernet0/1ipaddress34.1.1.3255.255.255.0routereigrp90network23.1.1.00.0.0.255network34.1.1.00.0.0.255noauto-summaryR4#shruninterfaceFastEthernet0/0ipaddress34.1.1.42
5、55.255.255.0routereigrp90network34.1.1.00.0.0.255auto-summary2、路由表输出R1#shiproGatewayoflastresortis0.0.0.0tonetwork0.0.0.010.0.0.0/24issubnetted,1subnetsC10.1.1.0isdirectlyconnected,FastEthernet0/0S*0.0.0.0/0isdirectlyconnected,FastEthernet0/0R2#shipr
6、oGatewayoflastresortisnotset*10.0.0.0/8isvariablysubnetted,2subnets,2masksS*10.0.0.0/8isdirectlyconnected,FastEthernet0/0C10.1.1.0/24isdirectlyconnected,FastEthernet0/023.0.0.0/24issubnetted,1subnetsC23.1.1.0isdirectlyconnected,FastEthernet0/134.0.0.
7、0/24issubnetted,1subnetsD34.1.1.0[90/30720]via23.1.1.3,00:38:20,FastEthernet0/1R3#shiproGatewayoflastresortis23.1.1.2tonetwork10.0.0.0*10.0.0.0/8isvariablysubnetted,2subnets,2masksD*10.0.0.0/8[90/30720]via23.1.1.2,00:06:56,FastEthernet0/0D10.1.1.0/24
8、[90/30720]via23.1.1.2,00:07:27,FastEthernet0/023.0.0.0/24issubnetted,1subnetsC23.1.1.0isdirectlyconnected,FastEthernet0/034.0.0.0/24issubnetted,1subnetsC34.1.1.0isdirectlyconnected,FastEthernet0/1R4#shipro*10.0.0.0/8isvariablysubnetted,2subnets,2mask
