Change Lucent CM IP address

Change Lucent CM IP address
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This topic describes the steps to stop all Lucent CM nodes and change the Lucent CM system IP address.

CAUTION

Service-disruption hazard

Unrecoverable Lucent CM outages may occur when changing host names and IP addresses at the same time.

All service is lost, while the IP address changes are processed

Do not change host names at the same time as making changes to IP addresses.

Perform this procedure in low-traffic hours.

Perform the following steps to change the Lucent CM IP address:

1	Login to any local CM node as “root” user.
2	Enter: `su - lps`
3	Change directory to /opt/lps/current/bin/.
4	Stop all Lucent CM nodes. Enter: `./stop_lps_system.sh` Result: All root passwords for all Lucent CM nodes must be entered and all Lucent CM nodes are stopped.
5	Perform the actual IP address changes to the network. This includes physical changes, configuration files and DNS updates.
6	Start the update configuration script. Enter: `./modLpsIpAddr.sh` Result: A warning displays stating root passwords for all Lucent CM nodes are needed to perform this procedure.
7	Confirm, to continue the procedure. Result: The script starts a reconfiguration session to limit access to the databases and requests root passwords.
8	Enter the root passwords for all Lucent CM nodes. Result: The configuration files are updated on all Lucent CM nodes. When completed the reconfiguration session ends and the Lucent CM system is restarted. End of steps

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