Avaya Configuring RADIUS Bedienungsanleitung PDF herunterladen (Seite 31)

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Chapter 2

RADIUS Overview

Remote access is a rapidly growing segment of the networking industry. Users in

branch offices, sales people in the field, and telecommuters are just a few of the

people who rely on remote access to do their jobs. Internet service providers

(ISPs) want to offer more remote-access services to their customers and control

the billing of those services. As networks grow to accommodate more users,

network security and billing become more difficult to manage.

RADIUS solves these issues by centralizing security and accounting information.

This improves security and provides a solution that can adapt to the changing size

and needs of remote users and service providers.

How RADIUS Works

A RADIUS application has two components, the RADIUS server and the

RADIUS client.

The RADIUS server is a computer equipped with server software (for example, a

UNIX workstation) that is located at a central office or campus. It has

authentication and access information in a form that is compatible with the client.

A network can have one server for both authentication and accounting, or one

server for each service.

The RADIUS client can be a router or a remote-access server that is equipped

with client software and typically resides on the same local area network (LAN)

segment as the server. The client is the network access point between the remote

users and the server.

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Avaya Configuring RADIUS Bedienungsanleitung Seite 31