Use the status nr-registration command to view information about the status of the network regions and the link status of the media gateways in the network regions. Use the enable nr-registrations nnn command to activate network regions, where nnn is the network region number. Use the disable nr-registrations nnn command to disable a network region.

The Split Registration Prevention feature automatically deactivates network regions that the survivable server controls.

To activate or deactivate network regions, on the system-parameters ip-options screen, set the Force Phones and Gateways to Survivable Servers field to n.