F5负载均衡设备培训

BIG-IPV9F5NetworksTraining2/1/2005BIG-IPV9F5NetworksTraining11/1/20043Module1-InstallationInternetBIG-IPsClientsServers4Module1-Outline•BIG-IPPlatformOverview•Installation(SetupUtility)•ConfigurationUtilitiesandUserAccess5InitialBIG-IPSetup1.Configutility–IPAddressforManagementinterface2.License3.Setuputility–Rootpassword–IPAddressforVLANs–AssigninterfacestoVLANs–WebAdminpassword–SSHAccess6configUtilityInitialIPAddressis192.168.1.2457InternetLicenseProcess–AutomatedRunSetuputility•EnterRegistrationKeyPCBIG-IPLicensethebox•GetLicensefromF5•SelectparametersF5LicenseServeractivate.F5.com8LicenseProcess–ManualPCBIG-IPF5LicenseServeractivate.F5.comInternet•CopyProductDossiertoPC•PasteProductDossiertoF5•MovePCtoInternet•DownloadLicensetoPC•Upload&InstallLicensefileRunSetuputilityManuallyLicensetheboxPC••MovePCback9SetupUtility–Network11WebConfigurationutility12Setup/ConfigurationAccessTwomethods1.WebInterface•https(remote)2.CommandLine•ssh(remote)•SerialTerminal13BIG-IPBackupProcessStorestheconfiguationinasinglefileCanbecopiedtoanothersystem14UserAuthenticationProcess15BIG-IPAdminUsers16Module2–LoadBalancing12345678Internet17Module2–Outline•VirtualServers,Members&Nodes•ConfiguringVirtualServers&Pools–VirtualServer&PoolLab•LoadBalancingModes•ConfiguringLoadBalancing–LoadBalancingLabs18Pool-GroupingofMembersInternetClientsRouterBIG-IPControllerServers19PoolMembersandNodesInternetPoolMembers•NodesrefertoPoolMembersIPAddressonly20VirtualServerInternetVirtualServer•Basicmechanismtomanagetraffic•IPAddress+Service(Port)Combination•VirtualserversnormallyAssociatedwithoneormoremember216.34.94.17:8021VirtualServertoPoolMembersInternetVirtualServer216.34.94.17:80PoolMembersMapsto22VirtualServer-AddressTranslationBIG-IPperformsnetworkaddresstranslationtorealserveraddressessuchthatallmachinesareviewedasoneVirtualServerRealServerAddressNetworkAddressTranslationVirtualServerAddressInternet216.34.94.17:8023NetworkFlow-Packet#1resolves:8024NetworkFlow-Packet#1BIG-IPtranslatesDestAddresstoNodebasedonLoadBalancingInternetPacket#1Src-207.17.117.20:4003Dest–216.34.94.17:80Packet#1Src–207.17.117.20:4003Dest–172.16.20.1:80207.17.117.20216.34.94.17:8025NetworkFlow–Packet#1ReturnBIG-IPtranslatesSrcAddressbacktoVirtualServerAddressInternetPacket#1-returnDest-207.17.117.20:4003Src–216.34.94.17:80Packet#1-returnDest–207.17.117.20:4003Src–172.16.20.1:80207.17.117.20216.34.94.17:8026NetworkFlow-Packet#2InternetPacket#2Src-207.17.117.21:4003Dest–216.34.94.17:80Packet#2Src–207.17.117.21:4003Dest–172.16.20.2:4002207.17.117.21216.34.94.17:8027NetworkFlow–Packet#2ReturnInternetPacket#2-returnDest-207.17.117.21:4003Src–216.34.94.17:80Packet#2-returnDest–207.17.117.21:4003Src–172.16.20.2:4002207.17.117.21216.34.94.17:8028NetworkFlow-Packet#3InternetPacket#3Src-207.17.117.25:4003Dest–216.34.94.17:80Packet#3Src–207.17.117.25:4003Dest–172.16.20.4:8080207.17.117.25216.34.94.17:8029NetworkFlow–Packet#3ReturnInternetPacket#3-returnDest-207.17.117.25:4003Src–216.34.94.17:80Packet#3-returnDest–207.17.117.25:4003Src–172.16.20.4:8080207.17.117.25216.34.94.1730ConfiguringPools31ConfiguringVirtualServersScrolldown32Statistics•Summary•VirtualServers•Pools•Nodes33Logs34LoadBalancingModes•RoundRobin•Ratio•LeastConnections•Fastest•Observed•Predictive•DynamicRatio•PriorityGroupActivation•FallbackHostStaticDynamicFailureMechanisms35RoundRobinClientsRouterBIG-IPControllerServersClientrequestsaredistributedevenly12345678Internet36RatioClientsRouterBIG-IPControllerServersAdministratorsetsratiofordistributingClientrequests3:2:1:11234891011Internet57121461337FastestClientsRouterBIG-IPControllerServersNextrequestsgotoNodewithfastestresponsetime25Internet10ms10ms10ms17msCurrentResponseTimes143638FastestClientsRouterBIG-IPControllerServersSometimelater,responsetimeschange102104Internet10ms10ms7ms7msCurrentResponseTimes10110339LeastConnectionsClientsRouterBIG-IPControllerServers12InternetNextrequestsgoestoNodewithfewestopenconnections459460461470CurrentConnections345640LeastConnectionsClientsRouterBIG-IPControllerServersInternetSometimelater,numberofconnectionschange6163280290111112CurrentConnections6241ObservedClientsRouterBIG-IPControllerServersNextrequestsgoestoNodewithcombinationoffewestconnectionsandbestresponse12Internet42PredictiveClientsRouterBIG-IPControllerServers12InternetNextrequestsgoestoNodewithcombinationoffewestconnectionsandbestresponseovertime43PriorityGroupActivationClientsRouterBIG-IPControllerServers135246InternetPriority1Priority2IfyousetPriorityGroupActivationto2,and3ofthehighestprioritymembersareavailable,thenlowerprioritymemberswillnotbeused.44PriorityGroupActivationClientsRouterBIG-IPControllerServers15InternetPriority1Priority2324678IfnumberofmembersfallsbelowPriorityGroupActivation(2),thenthenexthighestprioritymembersareusedalso.45FallbackHostClientsRouterBIG-IPControllerServersInternetIfallmemb