StephenWadeleyRedHatEnterpriseLinux7NetworkingGuideConfigurationandAdministrationofnetworkingforRedHatEnterpriseLinux7RedHatEnterpriseLinux7NetworkingGuideConfigurationandAdministrationofnetworkingforRedHatEnterpriseLinux7StephenWadeleyRedHatEngineeringContentServicesswadeley@redhat.comLegalNoticeCopyright©2010–2014RedHat,Inc.ThisdocumentislicensedbyRedHatundertheCreativeCommonsAttribution-ShareAlike3.0UnportedLicense.Ifyoudistributethisdocument,oramodifiedversionofit,youmustprovideattributiontoRedHat,Inc.andprovidealinktotheoriginal.Ifthedocumentismodified,allRedHattrademarksmustberemoved.RedHat,asthelicensorofthisdocument,waivestherighttoenforce,andagreesnottoassert,Section4dofCC-BY-SAtothefullestextentpermittedbyapplicablelaw.RedHat,RedHatEnterpriseLinux,theShadowmanlogo,JBoss,MetaMatrix,Fedora,theInfinityLogo,andRHCEaretrademarksofRedHat,Inc.,registeredintheUnitedStatesandothercountries.Linux®istheregisteredtrademarkofLinusTorvaldsintheUnitedStatesandothercountries.Java®isaregisteredtrademarkofOracleand/oritsaffiliates.XFS®isatrademarkofSiliconGraphicsInternationalCorp.oritssubsidiariesintheUnitedStatesand/orothercountries.MySQL®isaregisteredtrademarkofMySQLABintheUnitedStates,theEuropeanUnionandothercountries.Node.js®isanofficialtrademarkofJoyent.RedHatSoftwareCollectionsisnotformallyrelatedtoorendorsedbytheofficialJoyentNode.jsopensourceorcommercialproject.TheOpenStack®WordMarkandOpenStackLogoareeitherregisteredtrademarks/servicemarksortrademarks/servicemarksoftheOpenStackFoundation,intheUnitedStatesandothercountriesandareusedwiththeOpenStackFoundation'spermission.Wearenotaffiliatedwith,endorsedorsponsoredbytheOpenStackFoundation,ortheOpenStackcommunity.Allothertrademarksarethepropertyoftheirrespectiveowners.AbstractTheRedHatEnterpriseLinux7NetworkingGuidedocumentsrelevantinformationregardingtheconfigurationandadministrationofnetworkinterfaces,networksandnetworkservicesinRedHatEnterpriseLinux7.ItisorientedtowardssystemadministratorswithabasicunderstandingofLinuxandnetworking.ThisbookisbasedontheRedHatEnterpriseLinux6DeploymentGuide.ThechaptersrelatedtonetworkingweretakenfromtheDeploymentGuidetoformthefoundationforthisbook.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................TableofContentsPartI.IPNetworkingChapter1.IntroductiontoRedHatEnterpriseLinuxNetworking1.1.HowthisBookisStructured1.2.IPNetworksversusnon-IPNetworks1.3.IntroductiontoNetworkManager1.4.InstallingNetworkManager1.5.NetworkConfigurationUsingtheCommandLineInterface(CLI)1.6.NetworkConfigurationUsingNetworkManager'sCLI(nmcli)1.7.NetworkConfigurationUsingaTextUserInterface(nmtui)1.8.NetworkManagerandtheNetworkScripts1.9.NetworkConfigurationUsingsysconfigFiles1.10.AdditionalResourcesChapter2.ConfigureIPNetworking2.1.StaticandDynamicInterfaceSettings2.2.UsingtheTextUserInterface,nmtui2.3.UsingtheNetworkManagerCommandLineTool,nmcli2.4.UsingtheCommandLineInterface(CLI)2.5.UsingNetworkManagerwiththeGNOMEGraphicalUserInterface2.6.AdditionalResourcesChapter3.ConfigureHostNames3.1.UnderstandingHostNames3.2.ConfiguringHostNamesUsingTextUserInterface,nmtui3