The default port number presented is 1521, but you are given the option to
designate another port. The next three screens include a prompt to configure another listener, a
request to indicate a listener you want to start, and a confirmation that the listener configuration
is completed for this listener.
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FIGURE 15-4 Oracle Net Configuration Assistant: Welcome screen
522 Oracle Database 11g DBA Handbook
FIGURE 15-5 Listener Configuration, Listener Name screen
FIGURE 15-6 Listener Configuration, Select Protocols screen
Chapter 15: Oracle Net 523
Naming Methods Configuration
The Naming Methods Configuration option of the Oracle Net Configuration Assistant configures
net service names. There are many options available for naming methods. A couple of them are
listed here:
Local The tnsnames.ora File
Host Name Uses a TCP naming service. You cannot use connection
pooling or the Oracle Connection Manager with this option.
Sun NIS, DCE CDS, Directory External naming services.
If you accept the Host Name option, you see an informational screen advising you that Host
Name naming does not require any additional configuration ???at this time.??? You are instructed that
any time you add a database service in the future, you must make an entry in your TCP/IP host
name resolution system.
Once you have selected the naming methods, the Oracle Net Configuration Assistant displays
a confirmation screen.
Local Net Service Name Configuration
You can use the Oracle Net Configuration Assistant??™s Local Net Service Name configuration options
to manage net service names.
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