What is IP=FIRST in the LISTENER.ORA file ?
(Doc ID 300729.1)
Last updated on FEBRUARY 27, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124.0 [Release 11.1 to 18]
Oracle Net Services - Version 126.96.36.199 to 188.8.131.52.0 [Release 11.1 to 18.1]
Information in this document applies to any platform.
Starting with Oracle10g 10.1.0.3 you will see the property IP=FIRST in the LISTENER.ORA file. What is IP=FIRST used for ?
(ADDRESS = (PROTOCOL = TCP)(HOST = <hostname>-vip)(PORT = 1521)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = <hostname2>)(PORT = 1521)(IP = FIRST))
This note is intended to clarify usage for the IP=FIRST statement, usually in RAC setups.
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