Oracle RAC server's IP and Subnetmask change

Oracle DB Version:10.2.0.3.0
OS version : RedHat linux 4
Number of Nodes: 2
We need to move our RAC db servers from Atlanta to NJ. This move requires IP and subnet mask change. How we can do this chanse in for nodeapps / CRS components?

I am doing a clean installation of RAC 10g rev.2, and during the installation I set the netmask for the VIP to 255.255.252.0, which is different from the pub netmask of 255.255.255.0.
I ran the following:
srvctl modify nodeapps -n rachost1 -A 192.168.180.88/255.255.255.0/pub
srvctl modify nodeapps -n rachost2 -A 192.168.180.89/255.255.255.0/pub
I then stopped the services.
C:\oracle\product\10.2.0\crs\BIN>crs_stop -all
Attempting to stop `ora.rachost1.gsd` on member `rachost1`
Attempting to stop `ora.rachost1.ons` on member `rachost1`
Attempting to stop `ora.rachost2.gsd` on member `rachost2`
Attempting to stop `ora.rachost2.ons` on member `rachost2`
Stop of `ora.rachost1.gsd` on member `rachost1` succeeded.
Stop of `ora.rachost2.gsd` on member `rachost2` succeeded.
Stop of `ora.rachost1.ons` on member `rachost1` succeeded.
Stop of `ora.rachost2.ons` on member `rachost2` succeeded.
I restarted the services.
C:\oracle\product\10.2.0\crs\BIN>crs_start -all
Attempting to start `ora.rachost1.vip` on member `rachost1`
Attempting to start `ora.rachost2.vip` on member `rachost2`
Start of `ora.rachost1.vip` on member `rachost1` succeeded.
Start of `ora.rachost2.vip` on member `rachost2` succeeded.
Attempting to start `ora.rachost1.gsd` on member `rachost1`
Attempting to start `ora.rachost1.ons` on member `rachost1`
Attempting to start `ora.rachost2.gsd` on member `rachost2`
Attempting to start `ora.rachost2.ons` on member `rachost2`
Start of `ora.rachost2.gsd` on member `rachost2` succeeded.
Start of `ora.rachost1.gsd` on member `rachost1` succeeded.
Start of `ora.rachost1.ons` on member `rachost1` succeeded.
Start of `ora.rachost2.ons` on member `rachost2` succeeded.
I checked the status, and I noticed the changes "took".
C:\oracle\product\10.2.0\crs\BIN>crs_stat -p ora.rachost1.vip
NAME=ora.rachost1.vip
TYPE=application
ACTION_SCRIPT=C:\oracle\product\10.2.0\crs\bin\racgwrap.bat
ACTIVE_PLACEMENT=1
AUTO_START=1
CHECK_INTERVAL=60
DESCRIPTION=CRS application for VIP on a node
FAILOVER_DELAY=0
FAILURE_INTERVAL=0
FAILURE_THRESHOLD=0
HOSTING_MEMBERS=rachost1
OPTIONAL_RESOURCES=
PLACEMENT=favored
REQUIRED_RESOURCES=
RESTART_ATTEMPTS=0
SCRIPT_TIMEOUT=60
START_TIMEOUT=0
STOP_TIMEOUT=0
UPTIME_THRESHOLD=7d
USR_ORA_ALERT_NAME=
USR_ORA_CHECK_TIMEOUT=0
USR_ORA_CONNECT_STR=/ as sysdba
USR_ORA_DEBUG=0
USR_ORA_DISCONNECT=false
USR_ORA_FLAGS=
USR_ORA_IF=pub
USR_ORA_INST_NOT_SHUTDOWN=
USR_ORA_LANG=
USR_ORA_NETMASK=255.255.255.0
USR_ORA_OPEN_MODE=
USR_ORA_OPI=false
USR_ORA_PFILE=
USR_ORA_PRECONNECT=none
USR_ORA_SRV=
USR_ORA_START_TIMEOUT=0
USR_ORA_STOP_MODE=immediate
USR_ORA_STOP_TIMEOUT=0
USR_ORA_VIP=192.168.180.88
C:\oracle\product\10.2.0\crs\BIN>crs_stat -p ora.rachost2.vip
NAME=ora.rachost2.vip
TYPE=application
ACTION_SCRIPT=C:\oracle\product\10.2.0\crs\bin\racgwrap.bat
ACTIVE_PLACEMENT=1
AUTO_START=1
CHECK_INTERVAL=60
DESCRIPTION=CRS application for VIP on a node
FAILOVER_DELAY=0
FAILURE_INTERVAL=0
FAILURE_THRESHOLD=0
HOSTING_MEMBERS=rachost2
OPTIONAL_RESOURCES=
PLACEMENT=favored
REQUIRED_RESOURCES=
RESTART_ATTEMPTS=0
SCRIPT_TIMEOUT=60
START_TIMEOUT=0
STOP_TIMEOUT=0
UPTIME_THRESHOLD=7d
USR_ORA_ALERT_NAME=
USR_ORA_CHECK_TIMEOUT=0
USR_ORA_CONNECT_STR=/ as sysdba
USR_ORA_DEBUG=0
USR_ORA_DISCONNECT=false
USR_ORA_FLAGS=
USR_ORA_IF=pub
USR_ORA_INST_NOT_SHUTDOWN=
USR_ORA_LANG=
USR_ORA_NETMASK=255.255.255.0
USR_ORA_OPEN_MODE=
USR_ORA_OPI=false
USR_ORA_PFILE=
USR_ORA_PRECONNECT=none
USR_ORA_SRV=
USR_ORA_START_TIMEOUT=0
USR_ORA_STOP_MODE=immediate
USR_ORA_STOP_TIMEOUT=0
USR_ORA_VIP=192.168.180.89
Configuration Assistant
Virtual Private IP Configuration Assistant
I keep getting "OUI-25031"
I am not sure why this is not working.

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    http://john-goodwin.blogspot.com/

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