What is listener configuration in Oracle?

What is listener configuration in Oracle?

The listener is a separate process that runs on the database server computer. It receives incoming client connection requests and manages the traffic of these requests to the database server. This chapter describes how to configure the listener to accept client connections.

How do you set up a listener?

Select the configuration for which you want to create an HTTP listener. In the Common Tasks pane, click New HTTP Listener. The New HTTP Listener wizard starts. Follow the on-screen prompts to complete creation of the HTTP listener by using the details—listener name, IP address, port, and so on—that you decided earlier.

Which configuration files are used to configure the listener?

The listener configuration is stored in a configuration file named listener. ora . The listener forwards client requests to supported services. These services can be configured statically in the listener.

How do I start the Oracle listener service?

Do the following:

  1. Log on to the host where the Oracle database resides.
  2. Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOME\bin.
  3. To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL.
  4. Repeat step 3 to verify that the TNS listener is running.

What is the difference between remote listener and local listener?

A local listener is a listener on the same host as the database instance. A remote listener is a listener on a different (remote) host from the database instance.

How do I connect to a listener in Oracle?

For Oracle Net to accept connections on the database server, start the listener with the Listener Control utility on the server:

  1. Determine the status of the listener. From the command line, enter: lsnrctl LSNRCTL> STATUS [listener_name]
  2. Start the listener.
  3. Exit from the Listener Control utility.

How do I modify listener Ora?

Changing listener. ora to use the new ORACLE_HOME

  1. Run the following commands to change to the TNS_ADMIN directory and modify the listener.ora file to use the new ORACLE_HOME : $ cd $ORACLE_HOME/network/admin $ vi listener.ora.
  2. Within the file, modify the ORACLE_HOME as appropriate.

How do I know if Oracle Listener is running on Linux?


  1. Log in to the SUSE Linux as user oracle.
  2. On the command line interface (CLI), run the following command to view the state of the Oracle listener: > lsnrctl status Listener name.

Where is the listener Ora file?

By default, the listener. ora file is located in the ORACLE_HOME/network/admin directory.

What is the listener in the Oracle Database?

On the database host, the Oracle Ne t listener (the listener), is a process that listens for client connection requests. It receives incoming client connection requests and manages the traffic of these requests to the database server.

Do you need a listener for Oracle 10g?

A version 10 listener is required for an Oracle Database 10g database. Previous versions of the listener are not supported for use with an Oracle Database 10g database. However, it is possible to use a version 10 listener with previous versions of the Oracle database.

How to configure remote listener in Oracle Net Manager?

On the host where the remote listener resides, use Oracle Net Manager to configure the listener.ora file with the protocol addresses of the remote listener. On the database to which you want requests to be redirected, set the REMOTE_LISTENER parameter in the database initialization parameter file to the alias of the remote listener, for example:

How does Oracle Net configuration assistant configure listener?

During an Enterprise Edition or Standard Edition installation on the database server, Oracle Net Configuration Assistant automatically configures a listener with a name of LISTENER that has a TCP/IP listening protocol address for Oracle Database.