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HP UX SNAplus2 manual Introduction to SNAplus2

Models: UX SNAplus2

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Introduction to SNAplus2

Overview

Overview

This chapter provides an overview of SNAplus2 features and shows some of the basic conﬁgurations in which SNAplus2 can be used. It describes the major components of SNAplus2 and the SNA resources that are conﬁgured for and used by SNAplus2, and provides an overview of SNAplus2 administration responsibilities and tools.

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HP UX SNAplus2 manual Introduction to SNAplus2

Contents

Edition J2740-90013 HP 9000 Networking E1098Legal Notices HEWLETT-PACKARD CompanyPage Page Contents Administering SNAplus2 Introduction to SNAplus2Basic Conﬁguration Tasks Deﬁning Connectivity ComponentsConﬁguring Dependent LUs Conﬁguring Appc CommunicationConﬁguring Passthrough Services Conﬁguring User ApplicationsManaging SNAplus2 from NetView Managing SNAplus2 ClientsConﬁguration Planning Worksheets Conﬁguring an Invokable TP Using snaptpinstall Using SNAplus2 in a High Availability EnvironmentContents Contents About This Book PrefacePrerequisite Knowledge Organization of This BookPage 0p1 Typographic ConventionsOpcode LU name Definenode cdPublications for Users Operating System ConventionsSNAplus2 Publications Special Element Sample of TypographyPublications for Administrators HP-UX SNAplus2 3270/3179G Users GuideHP-UX SNAplus2 Administration Command Reference Publications for ProgrammersRelated Publications HP-UX SNAplus2 MS Programmers GuidePage SNA Terms and Concepts Overview Systems Network Architecture Basic SNA Concepts Network TypesSNA Nodes Node Types in a Subarea Network Basic SNA Concepts SNA Subarea Network Connectivity Node Types in a Peer NetworkTransaction Programs Application Programming InterfacesNetwork Accessible Units Physical UnitsLogical Units LU 6.2 for APPC, 5250 and CPI-CLU 2 for 3270 displays Control Points Sessions Session TypesLogical Unit Attributes for Sessions Multiple and Parallel Sessions Conversations Multiple and Parallel SessionsCommunication between Transaction Programs and Logical UnitsModes Route SelectionClass of Service Basic Appn Concepts Appn Node TypesPortion of a Sample Appn Network Appn Network Nodes Appn End NodesLEN Nodes Appn Control Point Directory Services Locating ResourcesResource Names Basic Appn Concepts LEN Node Directory End Node Directory Network Node Directory Topology and Routing Services Session RoutingBasic Appn Concepts Network Topology Database in Network Nodes Basic Appn Concepts Intermediate Routing Direct Connectivity Appn Network Using a Shared-Access Transport Facility Appn Connection Networks Basic Appn Concepts 11 Deﬁnitions Needed for Direct Links Using a Virtual Node Basic Appn Concepts Accessing Subarea Networks from Appn Networks Introduction to SNAplus2 Introduction to SNAplus2 What Is SNAplus2? Within a TCP/IP local area network LAN, SNAplus2 Example Conﬁgurations Standalone SNAplus2 Node That Communicates Directly with aHost SNAplus2 Nodes in an Appn Network SNAplus2 Node Providing PU Concentration and Dlur SNAplus2 Node Conﬁgured for TN Server SNAplus2 Client/Server Conﬁguration SNAplus2 Components Components of SNAplus2Passthrough Services Node ComponentsSNA Support PU Concentration SNAplus2 Components TN Server User Applications EmulationRJE Workstation Daemon Windows client APIs see Windows APIs Appc API CPI-C API LUA API Windows APIsClient/Server Support Master Server and Backup Servers Beneﬁts of Client/Server OperationA domain with multiple SNAplus2 servers, one server holds HP-UX Clients ReferenceWindows Clients SNAplus2 Resources Connectivity Resources DLCsPorts Link StationsConnection Networks Local node can have an explicit link station deﬁned for its Session Resources SNAplus2 Resources Modes and Classes of Service Directory InformationDomain Resources SNAplus2 Administration Administration ResponsibilitiesAdministration Tools Motif Administration ProgramXsnapadmin Command-Line Administration Program Remote Command Facility Conﬁguration FilesChapter 103 NOF Applications Diagnostic Tools Simple Network Management Protocol Support Administering SNAplus2 108 Planning for SNAplus2 Conﬁguration Planning WorksheetsTask Sheets Enabling and Disabling SNAplus2 on Local SystemSpecifying the Path to SNAplus2 Programs Enabling SNAplus2 Servers Snap start -s -m kernelmemorylimit -tMkernelmemorylimit Disabling SNAplus2 Servers Snap stop Using the Motif Administration Program Invoking the Motif Administration ProgramResource Windows Domain Window SNAplus2 Domain Window Node Window Node Window Chapter 121 Resource Items Tool Bar Buttons SNAplus2 Tool BarResource Dialogs Sample Dialog Status Dialogs Help Windows Sample Status DialogSample Help Window Ascii Administration Program Snap2admUsing the Command-Line Administration Program Delete StatusDefine QueryUsing the Command-Line Administration Program 132 Basic Conﬁguration Tasks 134 Conﬁguring Client/Server Functions Addbackup DeletebackupQuerysnanet Appn support Conﬁguring the NodeNode Conﬁguration Parameters Control point nameAdditional Conﬁguration Control point aliasNode ID Conﬁguring Logging Tail Setcentrallogging Setgloballogtype Setlogtype SetlogfileChapter 141 Conﬁguring Logging 142 Deﬁning Connectivity 144 Chapter 145 146 Deﬁning Ports, DLCs, and Connection Networks Adapter card number Port, Connection Network, and DLC Conﬁguration ParametersSNA port name Port numberLine details Additional Port Parameters for SdlcInitially active TypeEncoding Dial string 6AT &&D3 &&Q1 DT7,012345678Deﬁne on connection network Additional Port Parameters for X.25 QllcLocal SAP number CN nameConcentration Conﬁgure downstream LUs for implicit PU accessAdditional Port Parameters for Implicit PU Maximum active template instancesDeﬁning Link Stations Link Station Conﬁguration Parameters DefinetypelsActivation Common Link Station ParametersName LU trafﬁcAdditional Link Station Parameters for Sdlc Poll addressLine encoding MAC address SAP numberRemote X.25 address Circuit typeChannel ID Adapter/Port NumberParameters for Independent LU Trafﬁc Remote node nameRemote node type Parameters for Dependent LU Trafﬁc Local node IDRemote node ID Remote node role Defineinternalpu Deﬁning Dlur PUsDlur PU Conﬁguration Parameters PU NameDlus Name Reactivate PU after failure166 Conﬁguring Dependent LUs 168 Definelu0to3 Definelu0to3range Deﬁning LU TypesLU Types 0-3 Conﬁguration Parameters LU nameLU numbers LU typeLU in pool Pool name Deﬁning LU Pools DefinelupoolLU Pool Conﬁguration Parameters Assigned LUsDeﬁning LU Pools 174 Conﬁguring Appc 176 Chapter 177 Deﬁning Local LUs Definelocallu Member of default poolLocal LU Conﬁguration Parameters LU alias180 Deﬁning Remote Nodes Definepartnerlu Remote Node Conﬁguration ParametersDefinedirectoryentry Nodes SNA network nameDeﬁning Partner LUs Defineadjacentlennode definedirectoryentryWildcard partner LU name Partner LU Conﬁguration ParametersPartner LU name AliasUninterpreted Name Supports parallel sessionsLocation 186 Deﬁning TPs Issue the snapadmin definetp command TP Invocation Parameters TP nameParameters are for invocation on any LU/on speciﬁc LU Multiple instances supported Route incoming Allocates to running TPFull path to TP executable ArgumentsUser ID TP Deﬁnition Parameters Group IDConversation level security required Restrict access Security access listDeﬁning Modes and Classes of Service 194Standard Mode and COS Names Mode Associated Purpose Name COS NameInitial session limit Mode Conﬁguration ParametersSession limits Maximum session limitAuto-activated sessions Minimum contention winner sessionsMinimum contention loser sessions Receive pacing windowSession timeout Maximum window sizeMaximum RU size Chapter 199 CPI-C Conﬁguration Parameters Use default LUDeﬁning CPI-C Side Information Local LUPartner TP Partner LUMode SecurityPassword Chapter 203 Conﬁguring Session Security DefinelulupasswordConﬁguring Appc Security Session Security Conﬁguration ParametersAdditional Conﬁguration DefineuseridpasswordConﬁguring Conversation Security Conversation Security Conﬁguration ParametersDefinesecurityaccesslist Conﬁguring a Security Access ListSecurity Access List Conﬁguration Parameters Users in access listChapter 207 Conﬁguring Appc Security 208 Conﬁguring User Applications 210 Chapter 211 212 Conﬁguring 3270 Users and Sessions Conﬁguring 3270 Emulator UsersDefineemulatoruser Group Name Emulation User and Group Conﬁguration ParametersUser Name Style FileStyle ﬁle access SessionsPermissions Conﬁguring 3270 Sessions Session Conﬁguration ParametersSession name Session base name Display or PrinterLU/Pool name Number of sessionsConﬁguring 5250 Users Conﬁguring 5250 Emulator UsersChapter 219 Workstation name Conﬁguring RJE WorkstationsRJE Workstation Conﬁguration Parameters Run on computerUnix group name Conﬁguring RJE Workstations 222 Conﬁguring Passthrough 224 Conﬁguring TN Server Definetn3270access Conﬁguring TN Server Access RecordsTN Server Access Record Conﬁguration Parameters TN3270 client addressSupport TN3270E TCP/IP port numberDisplay LU assigned Allow access to speciﬁc LUConﬁguring TN Server Association Records Printer LU assignedDisplay LU TN Server Association Record Conﬁguration ParametersDefinetn3270association Printer LUConﬁguring PU Concentration Downstream LU Conﬁguration Parameters Downstream LU nameAllow timeout Upstream LU nameFake logon Conﬁguring Dlur 234 Managing SNAplus2 from NetView 236 Using the Host NetView Program NetView Screen Display Changing the Size of the Command Input AreaOverview of RCF Command Syntax Input nCommandtext Uppercase Characters and Escape CharactersUsing Escape Characters in RCF Commands Characters to Produce Input ABcdUsing Spcf Restrictions on Administration Commands Used with SpcfExamples of Spcf Commands Runcmd sp=myspname, appl=node, -a -d querylu0to3Using UCF UCF Command SyntaxRuncmd sp=spname, appl=unix, HP-UXcommand Permitted Commands HP-UXcommandExample of a UCF Command Output from HP-UX System CommandsGrep Temp ab*.c TEMP.out Canceling a Command Runcmd sp=myspname, appl=unix, ux-cancelUCF Security Using UCF 248 Managing SNAplus2 Clients End of Section 250 Setting Up IP Port Numbers Client Networking RequirementsLAN Access Timeout Client Networking Requirements For WindowsDeﬁning Client TPs NOF verbs querycentrallogger or querynodeallManaging Win32 Clients Enabling a Win32 Client Disabling SNAplus2 for a Win32 ClientWin32 Client Security Snapwinsec domainSnapwinsec off Win32 Client Conﬁguration Possible values for each Registry subkey are as followsConﬁguration DomainSnagroup Lanaccesstimeout InvokedtpsServerlosttimeout BroadcastattemptcountClientstarttimeout ServersServer1 Server2-Server10 Exceptionloggingenabled AuditloggingenabledLogging Errorﬁlewrapsize ErrorﬁleBackuperrorﬁle LogdirectoryBackupauditﬁle AuditﬁleAuditﬁlewrapsize Succincterrors Succinctauditsﬁle2 APItracingﬁle1 ﬂipsizeAppc TruncationlengthAllapi CpicCsv RuiNof MSGtracing CStracing FmiAdminmsg DatagramData Send ReceiveCSVdata CsvtblgManaging Win16 Clients Enabling a Win16 Client Disabling SNAplus2 for a Win16 ClientWin16 Client Security Win16 Client Initialization File sna.ini Chapter 279 Snauser Chapter 281 282 Chapter 283 284 Chapter 285 286 Chapter 287 288 Chapter 289 290 Chapter 291 292 Chapter 293 End of Section 294 Managing HP-UX Clients Enabling SNAplus2 on HP-UX ClientsSnap start -t HP-UX Client Network Data File snaclnt.net Chapter 297 Server names End of Section Chapter 299 Managing HP-UX Clients 300 Conﬁguration Planning Worksheets 302 Node Worksheets Appn End NodeYour LEN NodeYour Motif FieldValid Entry/Notes Implementation Value LEN nodeConﬁguration server? Number Port number Leased line Switched outgoing Switched incomingConnectivity Worksheets Initially active Select if needed Line Details TypePhysical link type Duplex SettingNegotiable Primary Primary multi-drop Secondary Sdlc Link Station DialogBy administrator On node startup On demand Any Independent only Dependent onlyName Upstream Dlus Token Ring Appendix a 311 Ethernet Motif Field Valid Entry/Notes Implementation ValueAppendix a 313 314 Fddi NETNAME.CNNAME each Independent LU trafﬁcAppendix a 317 Qllc Appendix a 319 320 Subnet ID Passthrough Services Worksheets Your Motif FieldValid Entry/NotesImplementation ValueLU lists PU ConcentrationLU Pool Dialog Pool name Downstream LU DialogTN Server Access Dialog TN ServerAllow access to speciﬁc TN Server Association Dialog Display LUUser Application Support Worksheets Appc255 Supports parallelEbcdic characters Minimum contentionMotif Field Valid Entry/Notes Implementation Value Location LS nameSupported Restrict to speciﬁc LUMultiple instances Route incomingSync level User ID Up to 10 characters PasswordBasic Mapped Either PIP allowed Select if needed5250 Name Local LUPartner TP name 3270 LU Type 0-3 Dialog LU nameEmulator User and Emulator Group Dialogs User name or group Style ﬁle nameSession Dialog Single session or Multiple sessions Session nameSession type RJE Workstation Dialog Workstation name LUA 337 338 Introduction to Snmp 340 SNAplus2 Appn Snmp Subagent Appn Management Information Base MIB Conﬁguring an Invokable TP Using snaptpinstall Snaptpinstall -r -t TPname Snaptpinstall -aﬁlenameSnaptpinstall -r -t TPname -l LUalias Snaptpinstall -q -t TPname -l LUaliasFile Format for snaptpinstall TPname346 Appendix C 347 348 Appendix C 349 350 Securitytype is Service Securitytype352 Using SNAplus2 in a High Availability Environment 354 What is High Availability? 356 Appendix D 357 SNAplus2 High Availability Features LU Pools for 3270, 3179G, and LUAClient/Server Conﬁguration Figure D-2 LU Pools360 Appendix D 361 Table D-1 Component Primary Server Backup Server Appendix D 363 364 Using SNAplus2 with MC/ServiceGuard Figure D-6 SNAplus2 environment with ServiceGuardCreating the HA SNAplus2 Package Identifying Critical SNAplus2 ConnectivityAppendix D 367 SNAplus2 Package Specifying the Service Command Table D-2 Suggestions for Deﬁning the SNAplus2 PackageOpt/sna/bin/snapmon HALS. See Specifying 370 Specifying a Package IP Address SNAplus2 Client/Server LAN Connections Figure D-7 SNAplus2 in Client/Server ConﬁgurationSNA LAN Connections TN Server LAN Connections Figure D-9 SNAplus2 Server Running TNServerUsing the LAN to Access Standalone Servers Figure D-10 Accessing SNAplus2 Server via LANModifying the Path variable Customizing the SNAplus2 Package ControlScript Adding Customer Deﬁned FunctionsSnapadmin startls, lsname=HALS Compatibility Constraints LansQllc Sdlc Appendix D 381 Advanced Conﬁguration Techniques Writing Your Own SNAplus2 Service Script 384 Appendix D 385 386 Index Numerics388 389 390 391 392 393 394 395 396 397 398