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IBM SC41-5420-04 manual Fifth Edition May

Models: SC41-5420-04

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Note

Before using this information and the product it supports, be sure to read the information in “Notices” on page 93.

Fifth Edition (May 2001)

This edition replaces SC41-5420-03. This edition applies only to reduced instruction set computer (RISC) systems.

© Copyright International Business Machines Corporation 1997, 2001. All rights reserved.

US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

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IBM SC41-5420-04 manual Fifth Edition May

Contents

TCP/IP Configuration and Reference iSeriesVersion SC41-5420-04Page TCP/IP Configuration and Reference iSeriesVersion SC41-5420-04Fifth Edition May Contents Chapter 3. TCP/IP Performance Page viOS/400 TCP/IP Configuration and Reference V5R1 Prerequisite and related information Operations NavigatorPage Page xOS/400 TCP/IP Configuration and Reference V5R1 Summary of changes xiiOS/400 TCP/IP Configuration and Reference V5R1 Chapter 1. Configuring TCP/IP Gathering Information About your Network TCP/IP Planning Checklists Line Description Parameters ChecklistLine Type ELANTRLAN ASYNCInstalling the TCP/IP Application Programs Using the TCP/IP Administration Menu Using the Configure TCP/IP Menu WRKACTJOB SBSQSYSWRK JOBQTFigure 2. Configure TCP/IP Menu 8OS/400 TCP/IP Configuration and Reference V5R1Configuring TCP/IP using the EZ-SetupWizard –Services table–Protocol table –Network tableStep 1—Configuringa Line Description Step 2—Configuringa TCP/IP InterfaceImportant Note Internet addressSubnet mask Line descriptionAssociated local interface Automatic startStep 3—ConfiguringTCP/IP Routes Do you need to add routes at all?Route destination Subnet maskNext hop Maximum Transmission Unit MTU sizeAdding TCP/IP routes Preferred binding interfaceFigure 5. Work with TCP/IP Routes Display Figure 6. Add TCP/IP Routes Display Multiple Default RoutesFigure 7. Work with TCP/IP Routes Display IP Datagram Forwarding Step 4—ConfiguringTCP/IP attributesAdding Remote System Information Notes ADDTCPRSI INTNETADR9.4.73.66 NETADR40030002Step 6—ConfiguringTCP/IP Host Table Entries Adding an Entry to the Host TableWork with TCP/IP Host Table Display 20OS/400 TCP/IP Configuration and Reference V5R1 Note: An IP address cannot be used as a host name Step 7—Configuringthe Local Domain and Host Name AnyNet/400: APPC over TCP/IPDomain Name System DNS Server NotesChange TCP/IP Domain CHGTCPDMN Type choices, press EnterStep 8—StartingTCP/IP and TCP/IP Servers TCP/IP Jobs Step 9—Verifyingthe TCP/IP Connection End TCP/IP ENDTCPFigure 18. Successful PING Messages Verifying Additional TCP/IP ConnectionsFigure 19. Unsuccessful PING Messages 1.Type VFYTCPCNN and then press F4 Verify TCP/IP Connection PING VERBOSECOMP NORMALSAVOBJ OBJQATOC* QATM* LIBQUSRSYS Step 10—SavingYour TCP/IP ConfigurationDEVTAP01 OBJTYPE*FILE Chapter 1. Configuring TCP/IP 32OS/400 TCP/IP Configuration and Reference V5R1 Network Status Work with TCP/IP Network Status MenuWork with TCP/IP Interface Status Starting TCP/IP Interfaces Ending TCP/IP Interfaces Display TCP/IP Route Information NotesWork with TCP/IP Connection Status Work with TCP/IP Connection Status Ending TCP/IP Connections Working with Configuration Status Displaying TCP/IP Network Status Information Display Multicast GroupsDisplaying TCP/IP Interfaces Displaying Associated Routes Displaying Route Details Option To display TCP/IP route information Displaying TCP/IP Route Information2.Press the Enter key Type options, press Enter Displaying TCP/IP Connections Displaying Connection Totals TCP/IP Host Tables Display TCP/IP Connection TotalsMore Display TCP/IP Connection TotalsManaging TCP/IP Host Tables Host File FormatsHost 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 Example: Successful Host Table MergeExample: Partly Successful Host Table Merge Step 2—StartFTP to a Remote SystemStep 4—Mergethe File Negative Advice from TCP or the Data Link Layer Dead Gateway ProcessingNotes about IP Responses to Negative Advice How IP Responds to Negative AdviceMultihoming Function This can be a migration scenario per physical LAN only Example: The Multihoming function Figure 52. Multihoming TCP/IP NetworkMINDELAY NORMALMAXTHRPUT MAXRLBMultiple Routes TOS ExampleTCP/IP Port Restriction Figure 54. Work with TCP/IP Routes DisplayConfiguring TCP/IP Port Restrictions 64OS/400 TCP/IP Configuration and Reference V5R1 Figure 56. Add TCP/IP Port Restriction DisplayRelated Tables and the Host Table 66OS/400 TCP/IP Configuration and Reference V5R1 Figure 59. Work with Service Table Entry DisplayFigure 60. Work with Protocol Table Entry Display Using X.25 PVC instead of SVC Figure 61. Work with Network Table Entry DisplayIP Multicasting Multicast Application Programming InformationMulticast Restrictions ADDTCPIFC INTNETADR9.4.73.65 LINDX25LINECHGLINTRN LINDTRNLINE FCNADRC00000040000 70OS/400 TCP/IP Configuration and Reference V5R1 Chapter 3. TCP/IP Performance BASE Pool SizeTCP/IP Jobs TCP/IP Protocol Support Provided by IOPv Outbound batching of TCP and UDP datagrams Merge Host Table Performance Running TCP/IP Only: Performance Considerations74OS/400 TCP/IP Configuration and Reference V5R1 Configuration command Line typeConfiguration Steps Source Service Access PointCreating the Line Description Line Description NameDetermining the Maximum Size of Datagrams Setting the Maximum Transmission UnitNotes 78OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Exit Points and Exit Programs Figure 62. TCP/IP Exit Point ProcessingOS/400 Registration Facility TCP/IP Application Exit PointsCreating Exit Programs NotesStep 1. Select your exit point The Work with Exit Programs display is shownStep 2: Select the Add Exit Program option Step 3: Add your exit programNotes Figure 65. Adding an Exit Program — DisplayRemoving Exit Programs Required Parameter Group Application identifierOperation identifier User profileRemote IP address Length of remote IP addressLength of operation-specificinformation Usage NotesAllow operation Client Subcommands Server SubcommandsOperation Identifier Operation-SpecificInformationCommand string Length of command stringRequired Parameter Group User profileUsage Notes Command processor identifierCharacter conversion option “Qshell interpreter not installed” 92OS/400 TCP/IP Configuration and Reference V5R1 Notices Programming Interface Information TrademarksAS/400e 96OS/400 TCP/IP Configuration and Reference V5R1 Index Special Characters interface continued Page X.25 continued Page SC41-5420-04