The request is to change IP's address in our existing setup
+ASM1:/u01/app/12.1.0.2/grid:N
-MGMTDB:/u01/app/12.1.0.2/grid:N
+APX1:/u01/app/12.1.0.2/grid:N
PSFS1:/u01/app/oracle/product/11.2.0.3/dbhome_1:N
Below doc's referring 11gr2 but we are looking for 12c grid infra.
How to Modify Public Network Information including VIP in Oracle Clusterware ( Doc ID 276434.1 )
How to update the IP address of the SCAN VIP resources (ora.scan<n>.vip) ( Doc ID 952903.1 )
PS: We don't have DNS using /etc/hosts file.
Thank you