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(SNMP). For additional information about SNMP, see resources in the Information
Center: Supplemental Manuals.
TCP/IP Host Tables
Host tables are a method for mapping host names to IP addresses. This is done by
using a hosts file for name-to-address resolution. Because the host table lacks the
structure to list names in any hierarchical order, names assigned to hosts must be
unique. In the topics that follow, you will find discussions about the overall
management of TCP/IP host tables. Instructions for merging host tables and
managing a host table from a central site are included.
Successful TCP/IP host table maintenance also includes periodically evaluating
whether or not to use a DNS server to manage your network. The DNS server is
often the preferred alternative to host tables for the purpose of managing IP
addresses and host names, particularly in large network environments. However,
even some small organizations that access the Internet require a DNS server to
meet their name-service needs.
Display TCP/IP Connection Totals
System: SYSNAM04
TCP connection information:
Currently established...........: 1
Active opens ...............: 0
Passive opens...............: 0
Attempted opens that failed........: 0
Established and then reset ........: 0
TCP send information:
Segments sent...............: 108
Retransmitted segments ..........: 10
Reset segments ..............: 0
TCP receive information:
Segments received.............: 117
Segments received in error ........: 0
More...
Press Enter to continue.
F3=Exit F5=Refresh F6=Print F12=Cancel
Figure 44. Display TCP/IP Connection Totals, Display 1 of 2
Display TCP/IP Connection Totals
System: SYSNAM04
UDP send information:
Datagrams sent ..............: 0
UDP receive information:
Datagrams received ............: 0
Datagrams not delivered..........: 0
Application port not found .......: 0
Other datagrams in error ........: 0
Figure 45. Display TCP/IP Connection Totals, Display 2 of 2
50 OS/400 TCP/IP Configuration and Reference V5R1