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HP UX SNAplus2 manual Introduction to SNAplus2

Models: UX SNAplus2

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2	Introduction to SNAplus2

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HP UX SNAplus2 manual Introduction to SNAplus2

Contents

J2740-90013 HP 9000 Networking E1098 EditionHEWLETT-PACKARD Company Legal NoticesPage Page Contents Introduction to SNAplus2 Administering SNAplus2Deﬁning Connectivity Components Basic Conﬁguration TasksConﬁguring Appc Communication Conﬁguring Dependent LUsConﬁguring User Applications Conﬁguring Passthrough ServicesManaging SNAplus2 Clients Managing SNAplus2 from NetViewConﬁguration Planning Worksheets Using SNAplus2 in a High Availability Environment Conﬁguring an Invokable TP Using snaptpinstallContents Contents Prerequisite Knowledge PrefaceAbout This Book Organization of This BookPage Opcode LU name Typographic Conventions0p1 Definenode cdSNAplus2 Publications Operating System ConventionsPublications for Users Special Element Sample of TypographyHP-UX SNAplus2 3270/3179G Users Guide Publications for AdministratorsPublications for Programmers HP-UX SNAplus2 Administration Command ReferenceHP-UX SNAplus2 MS Programmers Guide Related PublicationsPage SNA Terms and Concepts Overview Systems Network Architecture SNA Nodes Basic SNA ConceptsNetwork Types Node Types in a Subarea Network Basic SNA Concepts SNA Subarea Network Node Types in a Peer Network ConnectivityApplication Programming Interfaces Transaction ProgramsPhysical Units Network Accessible UnitsLU 6.2 for APPC, 5250 and CPI-C Logical UnitsLU 2 for 3270 displays Control Points Session Types SessionsLogical Unit Attributes for Sessions Multiple and Parallel Sessions Multiple and Parallel Sessions ConversationsUnits Communication between Transaction Programs and LogicalRoute Selection ModesClass of Service Appn Node Types Basic Appn ConceptsPortion of a Sample Appn Network Appn End Nodes Appn Network NodesLEN Nodes Appn Control Point Resource Names Directory ServicesLocating Resources Basic Appn Concepts LEN Node Directory End Node Directory Network Node Directory Session Routing Topology and Routing ServicesBasic 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 Host Example ConﬁgurationsStandalone SNAplus2 Node That Communicates Directly with a SNAplus2 Nodes in an Appn Network SNAplus2 Node Providing PU Concentration and Dlur SNAplus2 Node Conﬁgured for TN Server SNAplus2 Client/Server Conﬁguration Components of SNAplus2 SNAplus2 ComponentsSNA Support Passthrough ServicesNode Components PU Concentration SNAplus2 Components TN Server Emulation User ApplicationsRJE Workstation Daemon Windows client APIs see Windows APIs Appc API CPI-C API Windows APIs LUA APIClient/Server Support Beneﬁts of Client/Server Operation Master Server and Backup ServersA domain with multiple SNAplus2 servers, one server holds Reference HP-UX ClientsWindows Clients SNAplus2 Resources DLCs Connectivity ResourcesConnection Networks PortsLink Stations Local node can have an explicit link station deﬁned for its Session Resources SNAplus2 Resources Directory Information Modes and Classes of ServiceDomain Resources Administration Responsibilities SNAplus2 AdministrationMotif Administration Program Administration ToolsXsnapadmin Command-Line Administration Program Conﬁguration Files Remote Command FacilityChapter 103 NOF Applications Diagnostic Tools Simple Network Management Protocol Support Administering SNAplus2 108 Planning Worksheets Planning for SNAplus2 ConﬁgurationTask Sheets Specifying the Path to SNAplus2 Programs Enabling and Disabling SNAplus2 onLocal System Mkernelmemorylimit Enabling SNAplus2 ServersSnap start -s -m kernelmemorylimit -t Disabling SNAplus2 Servers Snap stop Invoking the Motif Administration Program Using the Motif Administration ProgramResource Windows Domain Window SNAplus2 Domain Window Node Window Node Window Chapter 121 Resource Items SNAplus2 Tool Bar Tool Bar ButtonsResource Dialogs Sample Dialog Status Dialogs Sample Status Dialog Help WindowsSample Help Window Snap2adm Ascii Administration ProgramUsing the Command-Line Administration Program Define StatusDelete QueryUsing the Command-Line Administration Program 132 Basic Conﬁguration Tasks 134 Conﬁguring Client/Server Functions Querysnanet AddbackupDeletebackup Node Conﬁguration Parameters Conﬁguring the NodeAppn support Control point nameNode ID Additional ConﬁgurationControl point alias Conﬁguring Logging Setcentrallogging Setgloballogtype Setlogtype Setlogfile TailChapter 141 Conﬁguring Logging 142 Deﬁning Connectivity 144 Chapter 145 146 Deﬁning Ports, DLCs, and Connection Networks SNA port name Port, Connection Network, and DLC Conﬁguration ParametersAdapter card number Port numberInitially active Additional Port Parameters for SdlcLine details TypeEncoding 6AT &&D3 &&Q1 DT7,012345678 Dial stringLocal SAP number Additional Port Parameters for X.25 QllcDeﬁne on connection network CN nameAdditional Port Parameters for Implicit PU Conﬁgure downstream LUs for implicit PU accessConcentration Maximum active template instancesDeﬁning Link Stations Definetypels Link Station Conﬁguration ParametersName Common Link Station ParametersActivation LU trafﬁcPoll address Additional Link Station Parameters for SdlcLine encoding SAP number MAC addressChannel ID Circuit typeRemote X.25 address Adapter/Port NumberRemote node type Parameters for Independent LU TrafﬁcRemote node name Remote node ID Parameters for Dependent LU TrafﬁcLocal node ID Remote node role Dlur PU Conﬁguration Parameters Deﬁning Dlur PUsDefineinternalpu PU NameReactivate PU after failure Dlus Name166 Conﬁguring Dependent LUs 168 LU Types 0-3 Conﬁguration Parameters Deﬁning LU TypesDefinelu0to3 Definelu0to3range LU nameLU in pool LU numbersLU type Pool name Definelupool Deﬁning LU PoolsAssigned LUs LU Pool Conﬁguration ParametersDeﬁning LU Pools 174 Conﬁguring Appc 176 Chapter 177 Deﬁning Local LUs Local LU Conﬁguration Parameters Member of default poolDefinelocallu LU alias180 Deﬁning Remote Nodes Definedirectoryentry Remote Node Conﬁguration ParametersDefinepartnerlu Nodes SNA network nameDefineadjacentlennode definedirectoryentry Deﬁning Partner LUsPartner LU name Partner LU Conﬁguration ParametersWildcard partner LU name AliasLocation Uninterpreted NameSupports parallel sessions 186 Deﬁning TPs Issue the snapadmin definetp command Parameters are for invocation on any LU/on speciﬁc LU TP Invocation ParametersTP name Route incoming Allocates to running TP Multiple instances supportedUser ID Full path to TP executableArguments Conversation level security required TP Deﬁnition ParametersGroup ID Security access list Restrict access194 Deﬁning Modes and Classes of ServiceMode Associated Purpose Name COS Name Standard Mode and COS NamesSession limits Mode Conﬁguration ParametersInitial session limit Maximum session limitMinimum contention loser sessions Minimum contention winner sessionsAuto-activated sessions Receive pacing windowMaximum RU size Session timeoutMaximum window size Chapter 199 Deﬁning CPI-C Side Information Use default LUCPI-C Conﬁguration Parameters Local LUMode Partner LUPartner TP SecurityPassword Chapter 203 Conﬁguring Appc Security DefinelulupasswordConﬁguring Session Security Session Security Conﬁguration ParametersConﬁguring Conversation Security DefineuseridpasswordAdditional Conﬁguration Conversation Security Conﬁguration ParametersSecurity Access List Conﬁguration Parameters Conﬁguring a Security Access ListDefinesecurityaccesslist Users in access listChapter 207 Conﬁguring Appc Security 208 Conﬁguring User Applications 210 Chapter 211 212 Defineemulatoruser Conﬁguring 3270 Users and SessionsConﬁguring 3270 Emulator Users User Name Emulation User and Group Conﬁguration ParametersGroup Name Style FilePermissions Style ﬁle accessSessions Session name Conﬁguring 3270 SessionsSession Conﬁguration Parameters LU/Pool name Display or PrinterSession base name Number of sessionsConﬁguring 5250 Emulator Users Conﬁguring 5250 UsersChapter 219 RJE Workstation Conﬁguration Parameters Conﬁguring RJE WorkstationsWorkstation name Run on computerUnix group name Conﬁguring RJE Workstations 222 Conﬁguring Passthrough 224 Conﬁguring TN Server TN Server Access Record Conﬁguration Parameters Conﬁguring TN Server Access RecordsDefinetn3270access TN3270 client addressTCP/IP port number Support TN3270EConﬁguring TN Server Association Records Allow access to speciﬁc LUDisplay LU assigned Printer LU assignedDefinetn3270association TN Server Association Record Conﬁguration ParametersDisplay LU Printer LUConﬁguring PU Concentration Downstream LU name Downstream LU Conﬁguration ParametersFake logon Allow timeoutUpstream LU name Conﬁguring Dlur 234 Managing SNAplus2 from NetView 236 Using the Host NetView Program Overview of RCF Command Syntax Changing the Size of the Command Input AreaNetView Screen Display Input nUppercase Characters and Escape Characters CommandtextCharacters to Produce Input ABcd Using Escape Characters in RCF CommandsRestrictions on Administration Commands Used with Spcf Using SpcfRuncmd sp=myspname, appl=node, -a -d querylu0to3 Examples of Spcf CommandsRuncmd sp=spname, appl=unix, HP-UXcommand Using UCFUCF Command Syntax HP-UXcommand Permitted CommandsGrep Temp ab*.c TEMP.out Example of a UCF CommandOutput from HP-UX System Commands Runcmd sp=myspname, appl=unix, ux-cancel Canceling a CommandUCF Security Using UCF 248 Managing SNAplus2 Clients End of Section 250 Client Networking Requirements Setting Up IP Port NumbersClient Networking Requirements For Windows LAN Access TimeoutNOF verbs querycentrallogger or querynodeall Deﬁning Client TPsManaging Win32 Clients Disabling SNAplus2 for a Win32 Client Enabling a Win32 ClientSnapwinsec off Win32 Client SecuritySnapwinsec domain Possible values for each Registry subkey are as follows Win32 Client ConﬁgurationSnagroup ConﬁgurationDomain Invokedtps LanaccesstimeoutBroadcastattemptcount ServerlosttimeoutServer1 ClientstarttimeoutServers Server2-Server10 Logging ExceptionloggingenabledAuditloggingenabled Backuperrorﬁle ErrorﬁleErrorﬁlewrapsize LogdirectoryAuditﬁlewrapsize BackupauditﬁleAuditﬁle Succinctaudits Succincterrorsﬁle1 APItracingﬁle2 ﬂipsizeAllapi TruncationlengthAppc CpicNof CsvRui MSGtracing Fmi CStracingData AdminmsgDatagram Receive SendCsvtblg CSVdataManaging Win16 Clients Disabling SNAplus2 for a Win16 Client Enabling 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 Snap start -t Managing HP-UX ClientsEnabling SNAplus2 on HP-UX Clients 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 Appn End Node Node WorksheetsYour Motif FieldValid Entry/Notes Implementation Value LEN NodeYour LEN nodeConﬁguration server? Connectivity Worksheets Leased line Switched outgoing Switched incomingNumber Port number Initially active Select if needed Line Details TypeNegotiable Primary Primary multi-drop Secondary Duplex SettingPhysical link type Sdlc Link Station DialogAny Independent only Dependent only By administrator On node startup On demandName Upstream Dlus Token Ring Appendix a 311 Motif Field Valid Entry/Notes Implementation Value EthernetAppendix a 313 314 Fddi Independent LU trafﬁc NETNAME.CNNAME eachAppendix a 317 Qllc Appendix a 319 320 Subnet ID Your Motif FieldValid Entry/NotesImplementation Value Passthrough Services WorksheetsLU Pool Dialog Pool name PU ConcentrationLU lists Downstream LU DialogTN Server TN Server Access DialogTN Server Association Dialog Display LU Allow access to speciﬁcAppc User Application Support WorksheetsSupports parallel 255Motif Field Valid Entry/Notes Implementation Value Location Minimum contentionEbcdic characters LS nameMultiple instances Restrict to speciﬁc LUSupported Route incomingBasic Mapped Either User ID Up to 10 characters PasswordSync level PIP allowed Select if neededPartner TP name 5250Name Local LU LU Type 0-3 Dialog LU name 3270Style ﬁle name Emulator User and Emulator Group Dialogs User name or groupSession type Session Dialog Single session orMultiple sessions Session name 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 -l LUalias Snaptpinstall -aﬁlenameSnaptpinstall -r -t TPname Snaptpinstall -q -t TPname -l LUaliasTPname File Format for snaptpinstall346 Appendix C 347 348 Appendix C 349 350 Securitytype Securitytype is Service352 Using SNAplus2 in a High Availability Environment 354 What is High Availability? 356 Appendix D 357 LU Pools for 3270, 3179G, and LUA SNAplus2 High Availability FeaturesFigure D-2 LU Pools Client/Server Conﬁguration360 Appendix D 361 Table D-1 Component Primary Server Backup Server Appendix D 363 364 Figure D-6 SNAplus2 environment with ServiceGuard Using SNAplus2 with MC/ServiceGuardIdentifying Critical SNAplus2 Connectivity Creating the HA SNAplus2 PackageAppendix D 367 SNAplus2 Package Opt/sna/bin/snapmon HALS. See Specifying Specifying the Service CommandTable D-2 Suggestions for Deﬁning the SNAplus2 Package 370 Specifying a Package IP Address Figure D-7 SNAplus2 in Client/Server Conﬁguration SNAplus2 Client/Server LAN ConnectionsSNA LAN Connections Figure D-9 SNAplus2 Server Running TNServer TN Server LAN ConnectionsFigure D-10 Accessing SNAplus2 Server via LAN Using the LAN to Access Standalone ServersScript Customizing the SNAplus2 Package ControlModifying the Path variable Adding Customer Deﬁned FunctionsSnapadmin startls, lsname=HALS Lans Compatibility ConstraintsQllc Sdlc Appendix D 381 Advanced Conﬁguration Techniques Writing Your Own SNAplus2 Service Script 384 Appendix D 385 386 Numerics Index388 389 390 391 392 393 394 395 396 397 398