IBM SC41-5420-04 specification

About TCP/IP Configuration and Reference (SC41-5420)

This book contains information about configuring Transmission Control Protocol/Internet Protocol (TCP/IP) and operating and managing your network. Most topics have been moved to the Information Center.

Note: This book contains links to various topics within the Information Center and to references outside the Information Center. The URL addresses for these links are current for V5R1.

© Copyright IBM Corp. 1997, 2001

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IBM SC41-5420-04 manual About TCP/IP Configuration and Reference SC41-5420

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 information Viii 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/IP Gathering Information About your Network Planning for TCP/IP Installation and Configuration Line Description Parameters Checklist TCP/IP Planning Checklists Interfaces to Local TCP/IP Networks Local TCP/IP Host Information Checklist 25 / Remote System Information Installing the TCP/IP Application Programs Tcpadm Using the TCP/IP Administration Menu Using the Configure TCP/IP Menu Cfgtcp Configure TCP/IP Menu Protocol table Configuring TCP/IP using the EZ-Setup WizardConfiguring TCP/IP using the Command Line Interface Services table Internet address Configuring a Line DescriptionConfiguring a TCP/IP Interface Important Note Automatic start Subnet maskLine description Associated local interface Do you need to add routes at all? Configuring TCP/IP Routes Maximum Transmission Unit MTU size Route destination Adding TCP/IP routes Preferred binding interfaceDftroute None Normal Multiple Default RoutesNO, *YES Adding Remote System Information Configuring TCP/IP attributesConfiguring TCP/IP Remote System Information IP Datagram Forwarding None NONE, *REQUEST, *ACCEPT PVCLind 15, *LIND, *TRANSMIT Adding an Entry to the Host Table Configuring TCP/IP Host Table Entries Work with TCP/IP Host Table Display Macian BernDNS Loopback SYSNAM890Localhost AnyNet/400 Appc over TCP/IP Configuring the Local Domain and Host Name Local Domain Name System DNS Server Dspmsg Qsysopr Dspmsg Qtcp Starting TCP/IP and TCP/IP Servers Job Name Description TCP/IP Jobs End TCP/IP Endtcp Verifying the TCP/IP Connection Successful Ping Messages Verifying Additional TCP/IP Connections Verify TCP/IP Connection Vfytcpcnn Verify TCP/IP Connection COMP, *ESCAPE Verifying TCP/IP Connections with Host Name-ExampleVerify TCP/IP Connection Ping VERBOSE, *QUIET Verifying TCP/IP Connections with Internet Address-Example Saving Your TCP/IP Configuration Configuring TCP/IP 32 OS/400 TCP/IP Configuration and Reference V5R1 Work with TCP/IP Network Status Menu Network Status Internet Network Line Work with TCP/IP Interface StatusWork with TCP/IP Network Status Work with TCP/IP Interface Status Maxthrput Opt Address Mask ServiceStarting TCP/IP Interfaces Internet Subnet Type Ending TCP/IP Interfaces Display TCP/IP Route Information Display TCP/IP Route InformationRoute Subnet Next Opt Destination Mask Hop Available Bottom Route Type Opt Destination ServiceWork with TCP/IP Connection Status Type Source Remote Local Opt Address Port Idle Time State Work with TCP/IP Connection StatusRemote Local Opt Address Port User Bytes Out TCP Ending TCP/IP ConnectionsALL Remote Local Opt Address Port Type Confirm End of TCP/IP Connections Working with Configuration Status Trnline Active Trnlinet Trnlitcp Qtcpip Displaying TCP/IP Network Status InformationDisplay Multicast Groups Opt Description Status Job Display Multicast Host Groups Displaying TCP/IP InterfacesHost Group Hardware Address MSB Displaying Associated RoutesDisplay TCP/IP Interface Status Trlan Display 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 Connections Display TCP/IP Connection Status, Display 2 Displaying Connection Totals Display TCP/IP Connection Totals TCP/IP Host Tables Host Table Information with *NIC Files Managing TCP/IP Host TablesHost File Formats Host Table Information with *AIX Files Merging 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 Layer Multihoming Function How IP Responds to Negative Advice Multihoming Single Host, Single Network, Single Line Per physical LAN only Multihoming TCP/IP Network Example The Multihoming function X25LINE Type of Service TOSLoopback None TOS Example Multiple Routes TCP/IP Port Restriction Paolo Configuring TCP/IP Port Restrictions Only UDP, *TCPGerry Related Tables and the Host Table Configure Related Tables Menu Work with Service Table Entry Display IBM Using X.25 PVC instead of SVC Multicast 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 Performance 74 OS/400 TCP/IP Configuration and Reference V5R1 Line type Configuration command Line Description Name Configuration StepsSource Service Access Point Creating the Line Description Determining the Maximum Size of Datagrams Setting the Maximum Transmission Unit 78 OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Exit Points and Exit Programs Appendix B. TCP/IP Application Exit Points and Programs TCP/IP Application Exit Points OS/400 Registration Facility Adding Your Exit Program to the Registration Facility Creating Exit Programs QAPP0100 Select your exit point Add your exit program Select the Add Exit Program option Yourlib Removing Exit Programs Application identifier Exit Point Interfaces for TCP/IP Application Exit PointsTCP/IP Application Request Validation Exit Point Interface Required Parameter Group Length of remote IP address Operation identifierUser profile Remote IP address Length 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 identifier Qshell interpreter not installed 92 OS/400 TCP/IP Configuration and Reference V5R1 Copyright IBM Corp Trademarks Programming Interface Information DB2 96 OS/400 TCP/IP Configuration and Reference V5R1 Index Special Characters Interface Qtgtelnets Qtsmtpsrvr Page SC41-5420-04