Updating the Domain Name Server for IBM i

If you defined any additional host names, work with your TCP/IP administrator to ensure that the new host names are added to your Domain Name Server (DNS).

About this task

If you have configured TCP/IP to search the DNS before searching the host table, you may need to make additional changes in your configuration. Follow these steps to check your TCP/IP Configuration Properties:

Procedure

  1. From any IBM® i command line, type the following command and press Enter: 
    CFGTCP
  2. On the Configure TCP/IP display, type 12 and press Enter to change the TCP/IP domain information.
  3. On the Change TCP/IP Domain (CHGTCPDMN) display, look for the "Host name search priority" setting.

    If the value is *REMOTE, either change this value to *LOCAL or verify with your network administrator that the fully qualified host name is the first value listed in the DNS for the IP address associated with your Sametime® server. The fully qualified host name must be listed before any short names in order for your Sametime server to function correctly.

    If the value of this field is *LOCAL, you do not need to take any further action. You already ensured that the fully qualified host name was listed first in your local host table in an earlier step.

    CAUTION: If you change the "Search order" you must stop and restart TCP/IP for the change to take effect.
  4. If your Sametime deployment will support IPv6 addressing, make sure that the IPv6 address is mapped to the server's host name. If you will support both IPv4 and IPv6 addressing, then each format should be mapped to the host name to ensure that connections of both types are enabled.
  5. Press F3 to exit.