Configuring SQL*Net to Prepare the Auxiliary Instance on the Destination Host

Add entries for primary and standby databases in tnsnames.ora, and then save the file.

Example 3-4 Adding Net Services

[oracle @ ora12c-dup ~] $ cd $ ORACLE_HOME / network / admin 
[oracle @ ora12c-dup admin] $ cat tnsnames.ora 
 # tnsnames.ora Network Configuration File: /u01/app/oracle/product/12.2.0/dbhome/network/admin/tnsnames.ora 
 # Generated by Oracle configuration tools. 
 DUPDB = 
 (DESCRIPTION = 
 (ADDRESS_LIST = 
 (ADDRESS = (PROTOCOL = TCP) (HOST = ora12c-dup) (PORT = 1521)) 
 ) 
 (CONNECT_DATA = 
 (SERVICE_NAME = dupdb ) 
 ) 
 ) 
 PRMDB = 
 (DESCRIPTION = 
 (ADDRESS = (PROTOCOL = TCP) (HOST = ora12c-prm.localdomain) (PORT = 1521)) 
 (CONNECT_DATA = 
 (SERVER = DEDICATED) 
 (SERVICE_NAME = prmdb ) 
 ) 
 )

Parent topic: Configuring the Network Between Source and Target Oracle Databases