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Installation and Configuration
Configuration : Configuration : file and product configurations : Specifying IP version for underlying Java code : Database connection notes
Database connection notes
You can further configure your database server communications through AdminServer configuration or broker startup. For example:
*AdminServer and RDBMS — Add an additional parameter for the AdminServer to direct the database broker and the database agent ports to only accept connections from the exact type address specified. Edit the file to indicate the following information:
jvmargs=-DforceIPver=<any value>
*Client and RDBMS — If the underlying implementation of TCP/IP supports V4 mapped addresses, then a broker that opens a V6 connection can accept connection requests from both V4 and V6 clients. If V4 mapped addresses are not supported, and your database needs to accept connections from both V4 and V6 clients, then you must start a broker for each IP version. Client connection attempts must specify the version-specific broker.