Cisco Systems OL-24201-01 manual See Registering a Secondary Instance to a Primary Instance, 17-20

Chapter 17 Configuring System Operations

Replicating a Secondary Instance from a Primary Instance

The Distributed System Management page appears. On the Secondary Instance table, the Replication Status column shows UPDATED. Replication is complete on the secondary instance. Management and runtime services are current with configuration changes from the primary instance.

Changing the IP address of a Primary Instance from the Primary Server

	To change the IP address of a primary ACS server:
Step 1	Log into the ACS primary webinterface and Choose System Administration > Operations >
	Distributed System Management to deregister all the secondary ACS instances from the primary ACS
	server.
	The Distributed System Management page is displayed.
Step 2	Check the check box near the secondary ACS instance one by one and click Deregister.
	Make sure that the log collector is running in the primary ACS server before deregistering all secondary
	ACS instances. If the log collecotor is running in any one of the secondary ACS server, change the log
	collector to the primary ACS server.
	To change the log collector, see Configuring the Log Collector, page 18-33.
Step 3	Check the checkboxes near the deregistered secondary ACS instances to delete all deregistered
	secondary ACS instances.
	The deregistered secondary ACS instances are deleted.
Step 4	Log into the ACS server in Admin mode by entering:
	acs-5-2-a/admin# conf t
Step 5	Enter the following commands:
	int g 0
	ip address old ip address new ip address
Step 6	Press Ctrl z.
	The following warning message is displayed.
	Changing the hostname or IP may result in undesired side effects, such as installed
	application(s) being restarted.Are you sure you want to proceed? [y/n]
Step 7	Press y
Step 8	Access the primary ACS server using the administrator mode and the new IP address.
Step 9	Use the command show application status acs to check if all process are running properly.
Step 10	Register the secondary instances to the primary ACS server.
	See Registering a Secondary Instance to a Primary Instance, page 17-13

	User Guide for Cisco Secure Access Control System 5.3
17-20	OL-24201-01