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1、使用gns3配置不同vlan间通讯在gns3中用路由器模拟交换机，这里用r1,r2模拟交换机，r3,r4,r5模拟主机！！！详细配置过程：R1:r1#vlandatabase创建vlan:r1(vlan)#vlan10VLAN10added:Name:VLAN0010r1(vlan)#vlan20VLAN10added:Name:VLAN0020r1(vlan)#exiAPPLYcompleted.Exiting....r1#r1#showvlan-switch查看vlan的配置情况VLANNameStatusPorts----
2、------------------------------------------------------------------------1defaultactiveFa0/2,Fa0/3,Fa0/4,Fa0/5Fa0/6,Fa0/7,Fa0/8,Fa0/9Fa0/10,Fa0/11,Fa0/12,Fa0/13Fa0/14,Fa0/1510VLAN0010activeFa0/120VLAN0020active1002fddi-defaultactive1003token-ring-defaultactive1004fddi
3、net-defaultactive1005trnet-defaultactiveVLANTypeSAIDMTUParentRingNoBridgeNoStpBrdgModeTrans1Trans2--------------------------------------------------------------------1enet1000011500-----1002100310enet1000101500-----0020enet1000201500-----001002fddi1010021500-----1100
4、31003tr101003150010050--srb110021004fdnet1010041500--1ibm-001005trnet1010051500--1ibm-00r1#将接口加入vlan,配置sviinterfaceFastEthernet0/0switchportmodetrunknoipaddress!interfaceFastEthernet0/1switchportaccessvlan10noipaddressinterfaceVlan10ipaddress172.16.10.1255.255.255.0!
5、interfaceVlan20ipaddress172.16.20.1255.255.255.0r2:R2#vlandatabase创建vlan:R2(vlan)#vlan10VLAN10added:Name:VLAN0010R2(vlan)#vlan20VLAN10added:Name:VLAN0020R2(vlan)#exiAPPLYcompleted.Exiting....R2#将接口加入vlaninterfaceFastEthernet0/0switchportaccessvlan10noipaddress!interf
6、aceFastEthernet0/1switchportmodetrunknoipaddress!interfaceFastEthernet0/2switchportaccessvlan20noipaddress!R3:noiprouting关闭路由功能interfaceFastEthernet0/0ipaddress172.16.10.2255.255.255.0ipdefault-gateway172.16.10.1配置默认网关R4:noiprouting关闭路由功能interfaceFastEthernet0/0ipadd
7、ress172.16.10.3255.255.255.0ipdefault-gateway172.16.10.1配置默认网关R5:noiprouting关闭路由功能interfaceFastEthernet0/0ipaddress172.16.20.2255.255.255.0ipdefault-gateway172.16.10.1配置默认网关测试：r1#ping172.16.10.1Typeescapesequencetoabort.Sending5,100-byteICMPEchosto172.16.10.1,timeout
8、is2seconds:!!!!!Successrateis100percent(5/5),round-tripmin/avg/max=1/3/4msr1#ping172.16.10.2Typeescapesequencetoabort.Sending5,100-
