Date: July 30, 1999
By default, AIX resolves TCP/IP host names and addresses in the following order:
There are situations where you can improve performance and availability by reordering the search order. Here are two methods for changing the default search order in AIX: The first is to specify the order in the configuration file, /etc/netsvc.conf. The second is to set the NSORDER environment variable.
See the AIX documentation for details.