思科设备三层交换机的vlan间通信配置

1、本次主要讲解三层交换实现vlan间的相互通信:本例配置模型图命令行:swA配置命令：Switch>enableSwitch#vlandatabase/进入vlan配置模式%Warning:ItisrecommendedtoconfigureVLANfromconfigmode,asVLANdatabasemodeisbeingdeprecated.PleaseconsultuserdocumentationforconfiguringVTP/VLANinconfigmode.Switch(vlan)#vlan2nameTztA/在swA上创建vlan2名为TztAVLAN2added:N

2、ame:TztASwitch(vlan)#vlan3nameTztB/在swA上创建vlan3名为TztBVLAN3added:Name:TztBSwitch(vlan)#exitAPPLYcompleted.Exiting.Switch#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.Switch(config)#intf0/2Switch(config-if)#switchportmodeaccess/将f0/2划分给vlan2Switch(config-if)#switchportaccessvlan2Switch(con

3、fig-if)#exitSwitch(config)#intf0/3Switch(config-if)#switchportmodeaccessSwitch(config-if)#switchportaccessvlan3/将f0/3划分给vlan3Switch(config-if)#exitSwitch(config)#intf0/1Switch(config-if)#switchportmodetrunk/配置与三层设备连接的f0/1为trunk模式%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/1,changedstate

4、todown%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/1,changedstatetoupSwitch(config-if)#switchporttrunkallowedvlanall/允许所有vlan通过f0/1端口Switch(config-if)#exitSwitch(config)#exitSwitch#%SYS-5-CONFIG_I:ConfiguredfromconsolebyconsoleSwitch#wrBuildingconfiguration.OKSwitch#（三层交换机）Msw命令配置:Switch

5、>Switch>enableSwitch#vlandatabase/进入vlan配置模式%Warning:ItisrecommendedtoconfigureVLANfromconfigmode,asVLANdatabasemodeisbeingdeprecated.PleaseconsultuserdocumentationforconfiguringVTP/VLANinconfigmode.Switch(vlan)#vlan2nameTztA/在Msw上创建vlan2名为TztAVLAN2added:Name:TztASwitch(vlan)#vlan3nameTztB/在Ms

6、w上创建vlan2名为TztAVLAN3added:Name:TztBSwitch(vlan)#exitAPPLYcompleted.Exiting.Switch#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.Switch(config)#intf0/1Switch(config-if)#switchportmodetrunk/配置三层设备与二层设备连接的f0/1为trunk模式Commandrejected:Aninterfacewhosetrunkencapsulationis"Auto"cannotb

7、econfiguredto"trunk"mode.Switch(config-if)#switchporttrunkallowedvlanall/允许所有vlan通过f0/1端口Switch(config-if)#noshutdown/激活端口Switch(config-if)#exitSwitch(config)#iprouting/使用三层设备的路由功能Switch(config)#intvlan2/进入vlan2配置模式虚拟端口%LINK-5-CHANGED:InterfaceVlan2,changedstatetoupSwitch(config-if)#%LINEP

8、ROTO-5-UPDOWN:LineprotocolonInterfaceVlan2,changedstatetoupSwitch(config-if)#ipaddress192.168.1.1255.255.255.0/配置vlan2的ip地址Switch(config-if)#noshutdown/激活端口Switch(config-if)#exitSwitch(config)#intvlan3/配置vlan3虚拟端口Switch(config-if)#%LINK-5-CHANGED:InterfaceVlan3,changedstatetoup%LINEPROTO-5-UPDOWN:Li

9、neprotocolonInterfaceVlan3,changedstatetoupSwitch(config-if)#ipaddress192.168.2.1255.255.255.0Switch(config-if)#noshutdownSwitch(config-if)#exitSwitch(config)#doshowiprouteCodes:C-connected,S-static,I-IGRP,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterareaN1-OSPFNSSAexternaltype1,N

10、2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2,E-EGPi-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea*-candidatedefault,U-per-userstaticroute,o-ODRP-periodicdownloadedstaticrouteGatewayoflastresortisnotset上述的配置成果C192.168.1.0/24isdirectlyconnected,Vlan2/C192.168.2.0/24isdirectlyconnected,Vlan3Switc