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RADIUS Overview

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Using RADIUS with Multilevel Access to the Router

System administrators and network operators can use RADIUS authentication

services from a console connected to the router. This feature, which is part of

Nortel Networks multilevel access, grants authenticated users access to the router

for configuration and monitoring purposes. For Version 13.20, Nortel Networks

recommends that you use the BCC to configure multilevel access.

Multilevel access also assigns a privilege level that determines what system

commands the user can execute. For more information, refer to Appendix A in

Using the Bay Command Console (BCC).

Using IP and IPX Unnumbered Protocols for PPP Connections

The RADIUS client supports IP and IPX unnumbered interfaces, meaning that the

circuit’s interface address is 0.0.0.0. All remote users that dial in to the same slot

on the client receive the same unnumbered protocol configuration.

The unnumbered circuit interface eliminates the need for a unique circuit

configuration for each remote user in a network. Therefore, an unnumbered circuit

interface reduces the configuration effort and the number of IP addresses that you

use for a large network. The client can activate any available circuit for an

incoming call because there is no specific address assigned to the circuit.

When you configure authentication for a router slot, Site Manager automatically

configures the dial-up circuits required for the client to accept calls from the

remote user. You are responsible for configuring only the unnumbered circuit

interfaces. If you use an FTP Telnet session, this configuration is unnecessary.

In addition to configuring unnumbered circuit interfaces, we recommend that you

enable IP or IPX triggered updates for the RADIUS client. The client uses

triggered updates to provide its local area network (LAN) with routing

information from the remote router. Refer to Configuring IP, ARP, RARP, RIP, and

OSPF Services or Configuring IPX Services for more information about triggered

updates.

Note:

Unlike the circuit’s address, the RADIUS client’s address is a numbered

address.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 99 100

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Avaya Configuring RADIUS Manual de usuario Pagina 21