Avaya Configuring RADIUS Manual de usuario descargar pdf (Pagina 27)

RADIUS Overview

308640-15.1 Rev 00

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• For non-Nortel servers, use the bayrs.dct file shown in Appendix D to modify

your existing RADIUS dictionary. Because the bayrs.dct file is in the format

of some popular RADIUS servers, you may be able to use it as a direct

replacement for the existing RADIUS dictionary. For more information, refer

to the vendor-specific server documentation.

The Nortel Networks vendor ID is 1584, as allocated by the Internet Assigned

Numbers Authority. Use this ID in the VSA header.

For information on IP utilities, see Configuring IP Utilities.

RADIUS Accounting

You configure RADIUS accounting on a slot-by-slot basis. Therefore, a call

designated for a RADIUS-configured slot performs RADIUS accounting.

The RADIUS accounting server calculates billing charges for a communication

session between the remote user and the client. The RADIUS client sends

information to the server, such as the status of each call and the number of packets

transmitted during the session. Using this data, the server determines billing

charges, which the network administrator can use to manage network costs.

An accounting session is the time during which the remote user communicates

with the client. The session begins when the client passes an accounting request

from the remote user to the server, with an accounting status byte set to start. The

session ends when the client sends a second request with the accounting status

byte set to stop. Multiple accounting sessions can occur simultaneously if there

are multiple dial-up connections.

The client sends accounting requests only to the server configured for accounting,

enabling you to use different servers for accounting and authentication.

If the client cannot reach the primary server after several attempts, and you

configured an alternate server, the client sends the accounting request to the

alternate server. If an accounting session starts with the primary server, and this

server goes down, the session is continued with the alternate server. Unless the

primary server recovers, the request to end the session is then sent to the alternate

server. To accurately determine billing charges, the network administrator collects

information from all accounting servers.

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Avaya Configuring RADIUS Manual de usuario Pagina 27