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Chapter 1
RADIUS Overview
RADIUS (Remote Authentication Dial-In User Service) enables Internet service
providers (ISPs) to offer more remote access services to their customers. Remote
access is one of the fastest growing segments 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.
This chapter provides a conceptual overview of RADIUS, and explains how
Nortel Networks implements it. This chapter covers the following topics:
Topic Page
How RADIUS Works 1-2
Nortel Networks RADIUS Implementation 1-5
RADIUS Authentication 1-6
RADIUS Accounting 1-11
Using RADIUS-Compatible Servers with the RADIUS Client 1-13
Accepting Remote Users’ IP Addresses 1-13
Configuring a RADIUS Client 1-14
For More Information 1-14
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