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Using the AAA Logical Line Identifier to Track Subscribers

You can configure the router to support the AAA logical line identification feature. This feature enables service providers to track subscribers on the basis of a virtual port known as the logical line ID (LLID).

The LLID is an alphanumeric string that logically identifies a subscriber line. The service provider maps each subscriber to an LLID based on the user name and circuit ID from which the customer’s calls originate. When a subscriber moves to a new physical line, the service provider’s customer profile database is updated to map to the same LLID.

Because a subscriber’s LLID remains the same regardless of the subscriber’s physical location, using the LLID gives service providers a more secure mechanism for tracking subscribers and maintaining the customer database.

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