Configure an IP address on a switch - Study CCNA

enter the VLAN 1 configuration mode with the interface vlan 1 global configuration command. · assign an IP address with the ip address IP_ADDRESS SUBNET_MASK ... SkiptocontentMenuBydefault,CiscoswitchesforwardEthernetframeswithoutanyconfiguration.ThismeansthatyoucanbuyaCiscoswitch,plugintherightcablestoconnectvariousdevicestotheswitch,poweriton,andtheswitchwillworkproperly.However,toperformswitchmanagementoverthenetworkoruseprotocolssuchasSNMP,theswitchwillneedtohaveanIPaddress.TheIPaddressisconfiguredunderalogicalinterface,knownasthemanagementdomainorVLAN.Usually,thedefaultVLAN1actsliketheswitch’sownNICforconnectingintoaLANtosendIPpackets.HerearethestepstoconfigureanIPaddressunderVLAN1:entertheVLAN1configurationmodewiththeinterfacevlan1globalconfigurationcommand.assignanIPaddresswiththeipaddressIP_ADDRESSSUBNET_MASKinterfacesubcommand.enabletheVLAN1interfacewiththenoshutdowninterfacesubcommand.(Optional)usetheipdefault-gatewayIP_ADDRESSglobalconfigurationcommandtoconfigurethedefaultgateway.(Optional)Addtheipname-serverIP_ADDRESSglobalconfigurationcommandtoconfiguretheDNSserver. Hereisasimpleexamplenetwork:Wehaveasimplenetworkofahostandaswitch.WecanassigntheswitchwithanIPaddresstoenableIPcommunicationbetweenthetwodevices:SW1(config)#intvlan1 SW1(config-if)# SW1(config-if)# SW1(config-if)#ipaddress10.0.0.2255.0.0.0 SW1(config-if)#noshutdown SW1(config-if)# %LINK-5-CHANGED:InterfaceVlan1,changedstatetoup %LINEPROTO-5-UPDOWN:LineprotocolonInterfaceVlan1,changedstatetoupToverifytheIPaddresssetonaswitch,wecanusetheshowintvlan1command:SW1#showintvlan1 Vlan1isup,lineprotocolisup HardwareisCPUInterface,addressis0030.a3e8.6b3c(bia0030.a3e8.6b3c) Internetaddressis10.0.0.2/8 ....WecanverifythatthehostcanreachtheswitchusingitsIPaddressbypingingitfromHostA:C:\>ping10.0.0.2 Pinging10.0.0.2with32bytesofdata: Replyfrom10.0.0.2:bytes=32time<1msTTL=255 Replyfrom10.0.0.2:bytes=32time<1msTTL=255 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