Fifth Edition May | IBM SC41-5420-04 guide

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