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You can define up to three tiers by providing the IPv4 addresses for Key Managers that are all

members of the same Key Manager Cluster. At least two Key Managers should be specified in

Tier 1. You are not required to enter Key Managers in Tier 2 or 3; however, you cannot skip over

a tier. In order to enter Key Managers in Tier 3, you must also enter at least one in Tier 2. There

is no maximum limit to the number of Key Managers defined in a tier. Do not list a Key Manager

more than once in the tier configuration.

Examples:

• One usage scenario or “best practice” example is to use Tier 1 for local Key Managers, Tier

2 for remote Key Managers, and Tier 3 for the Key Managers at a disaster recovery site.

• The example pictured below shows a recommended configuration of at least two Key Managers

in each tier. If you have just four Key Managers in the cluster, placing two local Key Managers

in Tier 1 and two remote Key Managers in Tier 2 would be recommended.

When you have finished defining the tier configuration, proceed to enter the NonStop Setup User

Credentials and TCP/IP Stack.

Entering Credentials and TCP/IP Stack

After you have defined the Key Manager tiers, you must provide a valid user name and password

for the NonStop Setup User (NSSuser) Credentials and specify the NonStop TCP/IP stack in the

middle panel of the Encryption Key Manager Cluster Configuration Information dialog box (pictured

below). The user name and password must be configured beforehand, by an administrator in the

Key Manager interface. A valid NonStop Setup User will have permission to create the user name

and password for each CLIM client on the Key Manager. The NonStop TCP/IP stack is the stack

that the guided procedure will use to communicate with the Key Managers.

Once the credentials and TCP/IP stack have been entered, the Check Connectivity of Key Managers

button becomes active. You must click that button to proceed; the Continue button remains inactive

until the status for all Key Manager connectivity is obtained and reported.

Checking Connectivity to Key Managers

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Siemens OSM Guía de usuario Pagina 297