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
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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 Interface
Services table
Protocol table
Configuring a Line Description
Configuring a TCP/IP Interface
Important Note
Internet address
Subnet mask
Line description
Associated 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 interface
Dftroute None
Normal
Multiple Default Routes
NO, *YES
Configuring TCP/IP attributes
Configuring TCP/IP Remote System Information
IP Datagram Forwarding
Adding Remote System Information
None NONE, *REQUEST, *ACCEPT
PVC
Lind 15, *LIND, *TRANSMIT
Configuring TCP/IP Host Table Entries
Adding an Entry to the Host Table
Work with TCP/IP Host Table Display
Macian
Bern
DNS
Loopback
SYSNAM890
Localhost
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 Ping
VERBOSE, *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 Status
Work with TCP/IP Interface Status
Internet Network Line
Opt Address Mask Service
Starting TCP/IP Interfaces
Internet Subnet Type
Maxthrput
Ending TCP/IP Interfaces
Display TCP/IP Route Information
Display TCP/IP Route Information
Route Subnet Next Opt Destination Mask Hop Available
Route Type Opt Destination Service
Work with TCP/IP Connection Status
Type Source
Bottom
Remote Local Opt Address Port Idle Time State
Work with TCP/IP Connection Status
Remote Local Opt Address Port User Bytes Out
Ending TCP/IP Connections
ALL
Remote Local Opt Address Port Type
TCP
Working with Configuration Status
Confirm End of TCP/IP Connections
Displaying TCP/IP Network Status Information
Display Multicast Groups
Opt Description Status Job
Trnline Active Trnlinet Trnlitcp Qtcpip
Display Multicast Host Groups
Displaying TCP/IP Interfaces
Host Group Hardware Address
Displaying Associated Routes
Display TCP/IP Interface Status
Trlan
MSB
Display Associated Routes
Displaying Route Details Option
Route Subnet Next Opt Destination Mask Hop
Display TCP/IP Route Details
Displaying TCP/IP Route Information
Direct
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 Formats
Host Table Information with *AIX Files
Host Table Information with *NIC Files
Merging TCP/IP Host Tables
Tips for Merging Host Tables
Host 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 TOS
Loopback None
Multiple Routes
TOS Example
TCP/IP Port Restriction
Configuring TCP/IP Port Restrictions
Paolo
Only
UDP, *TCP
Gerry
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 Size
TCP/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 Point
Creating 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 Interface
Required Parameter Group
Application identifier
Operation identifier
User profile
Remote IP address
Length of remote IP address
Length of operation-specific information
Usage Notes
Allow operation
QSYS.LIB file system pathnames are always in uppercase
Length of command string
Command string
Point
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
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SC41-5420-04