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Using the PolicyAssistantUsing the 8950 AAA Policy Assistant in Server
Management Tool
9-28
365-360-001R6.0
Issue 1, December 2008
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• tollfree–a name you might use internally to associate the policy with dialed access
(DNIS) numbers
• myisp.com–for example, jsmith@myisp.com
Defining DNIS
The PolicyAssistant offers a way to associate a DNIS (the RADIUS attribute
Called-Station-Id) with a realm. When using DNIS realms all calls to a given DNIS are
treated as if the user specified the associated realm, regardless of the realm the user
actually entered. This allows use of simple user names without a realm for network
connection. If each DNIS is associated with a specific realm, it prevents users of one realm
calling a DNIS assigned to another realm (requires that the combination of user name and
password is unique for all users).
For example, if the phone number 555-1212 is associated with the realm foo.net and a user
eileen@gato.com dials 555-1212 to connect to the network, the 8950 AAA server treats
the user as though they were in the foo.net realm ignoring the gato.com realm. The server
searches for the user profile in the source defined for the foo.net realm.
If the number (DNIS) dialed by a user is not associated with a realm, then any realm the
user entered as part of their User-Name is used as the realm name.
Using the Realm and DNIS Limits tab
The Realm and DNIS tab allows you to manage the number of connections allowed for
either a specific Realm or DNIS. You can also limit based on policy and user, which are
defined with in the Policy. A set of action buttons, similar to the set shown in Figure 9-17,
appear on the bottom of this section when you select the Realm and DNIS tab.
The action buttons allow you to perform the following actions:
• Insert a record
• Edit a record
• Delete a record
• Delete all records
• Make a copy of selected records
• Move selected record up
• Move selected record down
These action buttons allows you to perform appropriate actions.