TIBCConnectionOptions.IPVersion Property

Used to specify Internet Protocol Version.

Class

TIBCConnectionOptions

Syntax

property IPVersion: TIPVersion default DefValIPVer;

Remarks

Use the IPVersion property to specify Internet Protocol Version.

Supported values:

• ivIPBoth (default) - specifies that either Internet Protocol Version 6 (IPv6) or Version 4 (IPv4) will be used;
• ivIPv4 - specifies that Internet Protocol Version 4 (IPv4) will be used;
• ivIPv6 - specifies that Internet Protocol Version 6 (IPv6) will be used.

Note : Internet Protocol Version support has been added in Firebird 3. To use the IPVersion option, your client library version must be version 3 or higher.

When the TIPVersion property is set to ivIPBoth, a connection attempt will be made via IPv6 if it is enabled on the operating system. If the connection attempt fails, a new connection attempt will be made via IPv4.