[ORACLE 11g RAC] Change Public/Interconnect IP Subnet Configuration

Check information

$ <CRS HOME>/bin/oifcfg getif
eth0 139.2.156.0 global public
eth1 192.168.0.0 global cluster_interconnect

Stop Database, Stop Cluster
Change IP interface

$ oifcfg delif -global eth0
$ oifcfg setif –global eth0/139.2.166.0:public

$ oifcfg delif –global eth1
$ oifcfg setif –global eth1/192.168.1.0:cluster_interconnect

Verify

$ oifcfg getif
eth0 139.2.166.0 global public
eth1 192.168.1.0 global cluster_interconnect
#ifconfig -a

Start Cluster, Start Database