Work with TCP/IP Host Table Entries
System: SYSNAM890
Type options, press Enter.
1=Add 2=Change 4=Remove 5=Display 7=Rename
Internet | Host |
Opt Address | Name |
________________
_ | 9.4.73.211 | BERN |
_ | 9.4.73.212 | SYSNAM890 |
_ | 9.4.73.214 | MACIAN |
_ | 9.4.191.76 | DNS |
_ | 9.125.87.127 | SYSNAMEND.ENDICOTT.IBM.COM |
_ | 127.0.0.1 | LOOPBACK |
|
| LOCALHOST |
Figure 14. Example of a Fully Qualified Host Table Entry
Additional host names are useful as alternative nicknames. See the examples in Figure 15.
Host names need not be unique. When searching the host table with a duplicate host name, the result is random. However, IP addresses have to be unique. The uniqueness of the IP address is enforced at the time you try to add a new entry to the host table.
Note: An IP address cannot be used as a host name.
| Work with TCP/IP Host Table Entries |
| System: SYSNAM890 |
Type options, press Enter. | |
1=Add 2=Change | 4=Remove 5=Display 7=Rename |
Internet | Host |
Opt Address | Name |
________________
_ | 9.4.73.211 | BERN |
_ | 9.4.73.212 | SYSNAM890 |
|
| M03 |
|
| F25 |
|
| MYSYSTEM |
_ | 9.4.73.214 | MACIAN |
_ | 9.4.191.76 | DNS |
_ | 9.4.73.198 | SYSNAMRS |
Figure 15. Multiple Host Names
To remove one of the additional host names, select option 2 to change the selected host table entry. Type *BLANK over the host name to remove it.
Note: The fully qualified host name is used when sending mail between two TCP/IP hosts.
Notice in the example that the name of server SYSNAM890 is in the host table too. There are several reasons to put your host name in the host table:
vYou may want to use your host name when using FTP, TELNET, or PING to test your own system’s configuration.
Chapter 1. Configuring TCP/IP 21
