Ibm AS/400 Uživatelský manuál Strana 1

iSeriesNetworkingiSeries Communications ManagementERserver

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v Frame relay direct network: Allows data that uses SNA, TCP/IP, or IPX communications over aframe-relay network to move at speeds of up to 2.048 Mbps

Note: SDLC supports traditional AS/400 communication protocols, such as APPC, but does not supportTCP/IP.X.25 networkX.25 is a Telecommunications Stan

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Chapter 2. Configuring AS/400 for communicationsFollow these steps to configure your AS/400:1. Depending on the type of hardware you have, you may nee

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Chapter 3. Optimizing communications performanceMany factors can affect the performance of AS/400 application programs. To achieve the best performanc

v For interactive environments, keep line use below 30% to maintain predictable and consistent responsetimes. Exceeding 50% line use usually slows dow

processing a larger frame is only slightly more than the amount needed to process a smaller frame. Ifyou use larger frames to transfer a single system

parameter value on one system should never have a greater value than the LANMAXOUT parametervalue on the other system. The parameter values of the sen

v Mix interactive and batch jobs on a wide area network linev Performance considerations for AnyNet communicationsv SubsystemsConsiderations for subsy

Example: Communications subsystem configuration1. Create a duplicate of QCMN:CRTDUPOBJ OBJ(QCMN) FROMLIB(QSYS) OBJTYPE(*SBSD) TOLIB(MYLIB) NEWOBJ(MYCM

Example: Interactive subsystem configuration1. Create a subsystem description:CRTSBSD SBSD(MYLIB/MYINTER) POOLS((1 *BASE) (2 *INTERACT))2. Create a cl

v Change the request/response unit size to a lower value for the large transfer. This parameter settingoptimizes response time at the expense of large

are written for one type of network protocol to run over a different type of network protocol. For example,without AnyNet, your choice of application

For more information about creating subsystems, see the Work Management book.16 Version 5

Chapter 4. Communications applicationsCommunications applications that are used in an APPC (advanced program-to-program) environment arealso available

v Using larger sends for a given large transfer (record sizes) provides a higher application data rate anddecreases CPU time. With the larger record s

Performance considerations for Common Programming InterfaceCommunicationsYou can use Common Programming Interface Communications (CPI Communications)

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Chapter 5. Communicating with host systemsYou can configure the AS/400 system to communicate with a host system by matching AS/400parameters.Another o

AS/400 PromptAS/400ParameterHost DefinitionStatement Host ParameterLocal adapter address ADPTADR PATH DIALNOHost DIALNO parameter is a concatenation o

Matching AS/400 controller description parameters for a host systemYou must match host system communications configuration parameters with AS/400 valu

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AS/400 PromptAS/400ParameterHost DefinitionStatement Host ParameterMaximum frame size MAXFRAME GROUP MAXDATAValues specified for each system must matc

v Use the following table for the device description parameter.AS/400 PromptAS/400ParameterHost DefinitionStatement Host ParameterLocal location name

AS/400 PromptAS/400ParameterHost DefinitionStatement Host ParameterMode descriptionnameMODD MODEENT LOGMODEAS/400 mode description name specified on t

Example 2: AS/400 to host system over a token-ring line.This diagram shows the AS/400 values that need to match the VTAM values when you use a token-r

Example 3: AS/400 system for DLUR support with the host system.28 Version 5

This diagram shows the AS/400 values that need to match the VTAM values when you use AS/400 DLURand VTAM.Example 4: AS/400 with APPN connection to VTA

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Configuring dependent LU requester (DLUR)Dependent LU Requester (DLUR) allows dependent secondary logical units (LU 0, 1, 2, and 3) an entrypoint into

Note: This must match the VTAM LU name with the corresponding local location address(LOCADDR) on VTAM.For more information on DLUR see, Dependent LU R

Chapter 6. Communicating with a remote AS/400 systemUsing advanced program-to-program communications (APPC), you can configure the AS/400 system tocom

© Copyright International Business Machines Corporation 1998, 2001. All rights reserved.US Government Users Restricted Rights – Use, duplication or di

AS/400 PromptAS/400ParameterRemote AS/400Parameter NotesConnection initiation CNNINIT CNNINIT If X.25 DCE support is specified (X25DCE(*YES)) foreithe

AS/400 PromptAS/400ParameterRemote AS/400Parameter NotesX.25 DCE support X25DCE X25DCE If X.25 DCE support is used (X25DCE(*YES)), only oneof the AS/4

AS/400 PromptAS/400ParameterRemote AS/400Parameter NotesExchange identifier EXCHID EXCHID If used, the local AS/400 controller description EXCHIDmust

AS/400 PromptAS/400ParameterRemote AS/400Parameter NotesLCLLOCNAME RMTLOCNAME For systems not using APPN (APPN(*NO) specified forthe controller and de

This example shows the matching parameters between an AS/400 connecting to another AS/400 that usesX.25.Example 2: AS/400 to AS/400 using SDLC38 Versi

This example shows the matching parameters between an AS/400 connecting to another AS/400 that usesSDLC.Example 3: AS/400 to AS/400 using one-way auto

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Chapter 7. Communicating with remote workstationcontrollersYou can configure the AS/400 system to communicate with another AS/400 system, a non-AS/400

AS/400Prompt AS/400 Parameter5494AS/400Value 5494 Value NotesField SubfieldLocaladapteraddressADPTADR H1 5 - - Values specified in the AS/400line desc

AS/400Prompt AS/400 Parameter5494AS/400Value 5494 Value NotesField SubfieldLink type LINKTYPE AA - *LAN 4 5494 configuration values mustmatch the valu

ContentsPart 1. Getting started with AS/400 communications ...1Chapter 1. Print this topic ...3Chapter 2. Configu

Matching AS/400 parameters for a 5494 connected by EthernetYou must coordinate communications configuration parameters between AS/400 and the 5494 con

v To automatically connect the AS/400 to a 5494 controller, you can use the automatic remote controller(QAUTORMT) system value.v To manually connect t

Matching AS/400 parameters for a 5494 connected by frame relayYou must coordinate the communications configuration parameters between AS/400 and the 5

v IBM 5494 Remote Control Unit Planning Guide, GA27-3936v IBM 5494 Remote Control Unit User’s Guide, GA27-3852AS/400Prompt AS/400 Parameter5494AS/400V

The following diagram shows the AS/400 parameters and 5494 parameters that need to match when youuse frame relay.Matching AS/400 parameters for a 5494

For more information about configuring the 5494, see these books:v IBM 5494 Remote Control Unit Planning Guide, GA27-3936v IBM 5494 Remote Control Uni

AS/400PromptAS/400Parameter5494AS/400 Value 5494 Value NotesField SubfieldRemotelocationnameRMTLOCNAME 12 - - - Values specified for the AS/400CRTCTLR

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Matching AS/400 parameters for a 5494 connected by X.21You must coordinate communications configuration parameters between AS/400 and the 5494 remotec

AS/400PromptAS/400Parameter5494AS/400 Value 5494 Value NotesField SubfieldLink type LINKTYPE AA - *X21 4 5494 configuration values mustmatch the value

Matching AS/400 parameters for a 5494 connected by frame relay ...46Matching AS/400 parameters for a 5494 connected by SDLC ...4

Matching AS/400 parameters for a 5494 connected by X.25You must coordinate communications configuration parameters between the AS/400 and the 5494cont

v IBM 5494 Remote Control Unit User’s Guide, GA27-3852AS/400PromptAS/400Parameter5494AS/400Value 5494 Value NotesField SubfieldDefaultpacket sizeDFTPK

AS/400PromptAS/400Parameter5494AS/400Value 5494 Value NotesField SubfieldStationaddressSTNADR 2 - - - Values specified in the AS/400controller descrip

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Matching AS/400 parameters for 3x74 controllerYou must match the AS/400 configuration parameters with some configuration questions and sequencenumbers

AS/400PromptAS/400Parameter3174ConfigurationQuestions NotesLocal adapteraddressADPTADR 107 Token-Ring Network Address of the GatewayIf the AS/400 syst

AS/400PromptAS/400Parameter3174ConfigurationQuestions NotesLocal networkaddressNETADR 423 Host DTE Address (HNAD)For X.25 SVCs, the network address sp

AS/400PromptAS/400Parameter3274SequenceNumber NotesConnectionnumberCNNNBR 411 3274 DTE AddressFor X.25 SVCs, the connection number specified on theCRT

The following diagram shows the AS/400 parameters and 3174 parameters that need to match when youuse token-ring.Matching AS/400 parameters for finance

AS/400 PromptAS/400Parameter 4700 Macro 4700 ParameterConnectiontypeCNN COMLINK ACBFor SDLC finance communications, if the line is switched(CNN(*SWTPP

Part 1. Getting started with AS/400 communicationsThe AS/400 is an extremely versatile system for networking technologies, supporting a broad range of

AS/400 PromptAS/400Parameter 4700 Macro 4700 ParameterMaximumframe sizeMAXFRAME COMLINK CNLValue specified for the 4700 CNL parameter must becoordinat

AS/400 PromptAS/400ParameterFBSSConfigurationDisplay FBSS PromptLAN adapter address ADPTADR Token RingCommunicationsPC addressIf the AS/400 system use

AS/400 PromptAS/400ParameterFBSSConfigurationDisplay FBSS PromptExchange identifier EXCHID SDLCCommunicationsIdentification block and Identification n

Example: Connecting AS/400 to a finance networkConfiguration parameters must be coordinated when you connect an AS/400 system to a 4701 financecontrol

To configure an AS/400 to a retail controller, see the following.v “Matching AS/400 parameters for 3651 retail controllers”v “Matching AS/400 paramete

AS/400 PromptAS/400Parameter3651 DefinitionStatement 3651 ParameterSSCP identifier SSCPID QFHOST SSCPID3651 SSCPID parameter must match the SSCPIDpara

SDLCLIN Bit Bit ValueAS/400 Parameterand Value Notes2 and 3 00 SWITCHED(*YES)CNN(*SWTPP)Bit 2: Specify 1 if using nonswitchedcommunications, or 0 if u

AS/400PromptAS/400Parameter3684DefinitionStatement 3684 ParameterExchangeidentifierEXCHID QVSFGLNK SENDID3684 SENDID parameter must match the last 5 d

The default value for each bit is underlined in the Bit Value column.To configure the AS/400 to a 3684 retail controller, use the following table.LINE

AS/400 Prompt AS/400 Parameter 4680 Line ParameterConnection type CNN 4680 CONNECTION TYPE parameter value must be coordinated withthe values specifie

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AS/400 Prompt AS/400 Parameter 4680 Link ParameterLocal locationaddressLOCADR 4680 SESSION ADDRESS parameter must match the LOCADRparameter specified

AS/400 PromptAS/400ParameterRIPSS ConfigurationDisplay RIPSS PromptExchange identifier EXCHID SDLC Server Data Block number (hex) and XID (hex)For SDL

Example 2: AS/400 to 4690 PEER connection over token-ring network76 Version 5

Chapter 7. Communicating with remote workstation controllers 77

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Chapter 8. Troubleshooting communications problemsIf you suspect you have a problem with communications connectivity, the AS/400 system provides a set

Displaying the Product Activity Log to solve communication problemsThe Print Error Log and the Product Activity Log provide you with important informa

QPASVRPTarget 5250 display station pass-through primary server job. This job log is for target pass-throughcommunications functions.QPASVRSTarget 5250

System service tools and communication problemsYou may sometimes need to obtain an error log printout or communications trace data that your IBMservic

1-16000 KThe valid range for the maximum number of bytes used for storing collected trace information.Trace fullSpecifies whether new trace records re

Chapter 1. Print this topicTo view or download the PDF version, select Getting started with AS/400 communications (about 721 KBor 110 pages).To save a

You can also sort the WRKPRB display by the date the problem was entered into the log.Note: Use the WRKPRB command for the menu options, additional pr

Refer to Table 13 for an explanation on reason codes for failed program start requests.Table 1. Reason Codes for Rejected Program Start RequestsReason

Table 1. Reason Codes for Rejected Program Start Requests (continued)ReasonCode Reason Description901 Program initialization parameters are not valid.

Chapter 9. Networking conceptsIf you would like more information on networking topics, review the following:v Advanced Peer-to-Peer Networking support

Advanced program-to-program communicationsAdvanced program-to-program communications (APPC) is data communications support that allowsprograms on an A

v Sendv ReceiveAt the primary end of the pipe is a Dependent LU Server (DLUS). At the secondary end of the pipe is aDependent LU Requester (DLUR). DLU

Internetwork Packet Exchange support is the AS/400 implementation of the NetWare communicationprotocols. These protocols include IPX, Sequenced Packet

Chapter 10. Common networking standardsThese topics introduce the types of common networking standards that are supported by the AS/400system. See the

Half-duplex EthernetGenerally, multiple stations in an Ethernet network show a single data path. Therefore, only onestation may transmit data at a tim

the AS/400 wireless LAN adapter and remote stations. Remote stations can be PTCs that are running5250 emulation or LAN-connected systems that are equi