IBM SC41-5420-04 manual Summary of changes

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Summary of changes

This is the fifth edition of TCP/IP Configuration and Reference.

Most topics from the fourth edition of TCP/IP Configuration and Reference have been moved to the iSeries Information Center. See the iSeries Information Center for information on the following relocated topics:

vBootstrap Protocol (BOOTP)

vDomain Name Server (DNS)

vDynamic Host Configuration Protocol (DHCP)

vFile Transfer Protocol (FTP)

vLine Printer Daemon (LPD)

vLine Printer Requester (LPR)

vPoint-to-Point Protocol (PPP)

vPost Office Protocol (POP)

vRemote Execution (REXEC)

vRoute Daemon (RouteD)

vTelnet

vTrivial File Transfer Protocol (TFTP)

vTroubleshooting

vWorkstation Gateway Server (WSG)

This edition of TCP/IP Configuration and Reference retains basic information on configuring Transmission Control Protocol/Internet Protocol (TCP/IP) and operating and managing the network.

New features in this edition include the EZ Setup Wizard as the preferred method for configuring TCP/IP on the iSeries and the addition of links to supplementary information in the iSeries Information Center and on the World Wide Web.

© Copyright IBM Corp. 1997, 2001

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Contents TCP/IP Configuration and Reference Page TCP/IP Configuration and Reference Fifth Edition May Contents Index About TCP/IP Configuration and Reference SC41-5420 Vi OS/400 TCP/IP Configuration and Reference V5R1 Operations Navigator Prerequisite and related informationViii OS/400 TCP/IP Configuration and Reference V5R1 Page OS/400 TCP/IP Configuration and Reference V5R1 Summary of changes Xii OS/400 TCP/IP Configuration and Reference V5R1 What you need to know before you can configure TCP/IP Configuring TCP/IPGathering Information About your Network Planning for TCP/IP Installation and ConfigurationLine Description Parameters Checklist TCP/IP Planning ChecklistsInterfaces to Local TCP/IP Networks Local TCP/IP Host Information Checklist25 / Remote System Information Installing the TCP/IP Application ProgramsTcpadm Using the TCP/IP Administration MenuUsing the Configure TCP/IP Menu Cfgtcp Configure TCP/IP MenuConfiguring TCP/IP using the Command Line Interface Configuring TCP/IP using the EZ-Setup WizardServices table Protocol tableConfiguring a TCP/IP Interface Configuring a Line DescriptionImportant Note Internet addressLine description Subnet maskAssociated local interface Automatic startDo you need to add routes at all? Configuring TCP/IP RoutesMaximum Transmission Unit MTU size Route destinationAdding TCP/IP routes Preferred binding interfaceDftroute None Normal Multiple Default RoutesNO, *YES Configuring TCP/IP Remote System Information Configuring TCP/IP attributesIP Datagram Forwarding Adding Remote System InformationNone NONE, *REQUEST, *ACCEPT PVCLind 15, *LIND, *TRANSMIT Adding an Entry to the Host Table Configuring TCP/IP Host Table EntriesWork with TCP/IP Host Table Display Macian BernDNS Loopback SYSNAM890Localhost AnyNet/400 Appc over TCP/IP Configuring the Local Domain and Host NameLocal Domain Name System DNS ServerDspmsg Qsysopr Dspmsg Qtcp Starting TCP/IP and TCP/IP ServersJob Name Description TCP/IP JobsEnd TCP/IP Endtcp Verifying the TCP/IP ConnectionSuccessful Ping Messages Verifying Additional TCP/IP ConnectionsVerify TCP/IP Connection Vfytcpcnn Verify TCP/IP ConnectionVerify TCP/IP Connection Ping Verifying TCP/IP Connections with Host Name-ExampleVERBOSE, *QUIET COMP, *ESCAPEVerifying TCP/IP Connections with Internet Address-Example Saving Your TCP/IP ConfigurationConfiguring TCP/IP 32 OS/400 TCP/IP Configuration and Reference V5R1 Work with TCP/IP Network Status Menu Network StatusWork with TCP/IP Network Status Work with TCP/IP Interface StatusWork with TCP/IP Interface Status Internet Network LineStarting TCP/IP Interfaces Opt Address Mask ServiceInternet Subnet Type MaxthrputEnding TCP/IP Interfaces Display TCP/IP Route Information Display TCP/IP Route InformationRoute Subnet Next Opt Destination Mask Hop Available Work with TCP/IP Connection Status Route Type Opt Destination ServiceType Source BottomRemote Local Opt Address Port Idle Time State Work with TCP/IP Connection StatusRemote Local Opt Address Port User Bytes Out ALL Ending TCP/IP ConnectionsRemote Local Opt Address Port Type TCPConfirm End of TCP/IP Connections Working with Configuration StatusDisplay Multicast Groups Displaying TCP/IP Network Status InformationOpt Description Status Job Trnline Active Trnlinet Trnlitcp QtcpipDisplay Multicast Host Groups Displaying TCP/IP InterfacesHost Group Hardware Address Display TCP/IP Interface Status Displaying Associated RoutesTrlan MSBDisplay Associated Routes Displaying Route Details OptionRoute Subnet Next Opt Destination Mask Hop Display TCP/IP Route Details Displaying TCP/IP Route InformationDirect Display TCP/IP Route Information, Display 1 Display TCP Connection Status Displaying TCP/IP ConnectionsDisplay TCP/IP Connection Status, Display 2 Displaying Connection TotalsDisplay TCP/IP Connection Totals TCP/IP Host TablesHost File Formats Managing TCP/IP Host TablesHost Table Information with *AIX Files Host Table Information with *NIC FilesMerging TCP/IP Host Tables Tips for Merging Host TablesHost Table Information with *AS400 Files Managing the Host Table from a Central Site Merge the File Dead Gateway Processing Negative Advice from TCP or the Data Link LayerMultihoming Function How IP Responds to Negative AdviceMultihoming Single Host, Single Network, Single Line Per physical LAN only Multihoming TCP/IP Network Example The Multihoming functionX25LINE Type of Service TOSLoopback None TOS Example Multiple RoutesTCP/IP Port Restriction Paolo Configuring TCP/IP Port RestrictionsOnly UDP, *TCPGerry Related Tables and the Host Table Configure Related Tables MenuWork with Service Table Entry Display IBM Using X.25 PVC instead of SVCMulticast Restrictions Chglintrn Lindtrnline FCNADRC00000040000 70 OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Jobs Base Pool SizeTCP/IP Protocol Support Provided by IOP Outbound batching of TCP and UDP datagrams Running TCP/IP Only Performance Considerations Merge Host Table Performance74 OS/400 TCP/IP Configuration and Reference V5R1 Line type Configuration command Source Service Access Point Configuration StepsCreating the Line Description Line Description NameDetermining the Maximum Size of Datagrams Setting the Maximum Transmission Unit78 OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Exit Points and Exit Programs Appendix B. TCP/IP Application Exit Points and ProgramsTCP/IP Application Exit Points OS/400 Registration FacilityAdding Your Exit Program to the Registration Facility Creating Exit ProgramsQAPP0100 Select your exit pointAdd your exit program Select the Add Exit Program optionYourlib Removing Exit ProgramsTCP/IP Application Request Validation Exit Point Interface Exit Point Interfaces for TCP/IP Application Exit PointsRequired Parameter Group Application identifierUser profile Operation identifierRemote IP address Length of remote IP addressLength of operation-specific information Usage NotesAllow operation QSYS.LIB file system pathnames are always in uppercase Length of command string Command stringPoint Character conversion option Command processor identifierQshell interpreter not installed 92 OS/400 TCP/IP Configuration and Reference V5R1 Copyright IBM Corp Trademarks Programming Interface InformationDB2 96 OS/400 TCP/IP Configuration and Reference V5R1 Index Special Characters Interface Qtgtelnets Qtsmtpsrvr Page SC41-5420-04