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Step 6—Configuring TCP/IP Host Table Entries ...........38
Step 7—Configuring the Local Domain and Host Name ........42
Step 8—Starting TCP/IP and TCP/IP Servers ............43
Step 9—Verifying the TCP/IP Connection ..............46
Verifying Additional TCP/IP Connections ..............47
Step 10—Saving Your TCP/IP Configuration.............50
TCP/IP Planning Checklists ...................51
Sample Network Drawing....................52
Chapter 3. TCP/IP: Operation, Management, and Advanced Topics ....55
Network Status ........................55
Work with TCP/IP Network Status Menu ..............55
Work with TCP/IP Interface Status ................56
Display TCP/IP Route Information ................59
Work with TCP/IP Connection Status...............60
Working with Configuration Status ................63
Displaying TCP/IP Network Status Information ............64
TCP/IP Host Tables .......................72
Managing TCP/IP Host Tables ...................73
Host File Formats ......................73
Tips for Merging Host Tables ..................74
Merging TCP/IP Host Tables ..................75
Managing the Host Table from a Central Site ............75
Domain Name System (DNS) Server ................76
IP Routing and Internet Control Message Protocol (ICMP) Redirecting ....76
Dead Gateway Processing ....................78
Negative Advice from TCP or the Data Link Layer ..........78
How IP Responds to Negative Advice ...............78
Multihoming Function ......................79
Example: A Single Host on a Network over a Communications Line ....79
Example: Multiple Hosts on the Same Network over the Same
Communications Line ....................80
Example: Multiple Hosts on the Same Network over Multiple
Communications Lines ....................80
Example: Multiple Hosts on Different Networks over the Same
Communications Line ....................81
Example: Multiple Hosts on Different Networks over Multiple
Communications Lines ....................81
Example: The Multihoming function .................82
Type of Service (TOS) .....................83
Multiple Routes .......................84
TCP/IP Port Restriction .....................85
Configuring TCP/IP Port Restrictions ...............86
Related Tables and the Host Table .................88
Using X.25 PVC instead of SVC ..................91
IP Multicasting.........................91
Multicast Application Programming Information ............91
Multicast Restrictions .....................92
Chapter 4. Configuring Point-to-Point TCP/IP (PPP and SLIP) ......93
Networks and Point-to-Point Connections ...............93
PPP versus SLIP........................94
Requirements for AS/400 SLIP...................95
Point-to-Point Request for Comments (RFC) .............95
Line Pools ..........................95
Configuring Point-to-Point Network Connections ............96
iv OS/400 TCP/IP Configuration and Reference V4R4