Logging Into And Exiting A Privilege Level; Controlling Switch Access With Tacacs; Understanding Tacacs - Cisco Catalyst 2950 Software Configuration Manual

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Chapter 7
Administering the Switch

Logging into and Exiting a Privilege Level

Beginning in privileged EXEC mode, follow these steps to log in to a specified privilege level and to exit
to a specified privilege level:
Command
Step 1
enable level
Step 2
disable level

Controlling Switch Access with TACACS+

This section describes how to enable and configure Terminal Access Controller Access Control System
Plus (TACACS+), which provides detailed accounting information and flexible administrative control
over authentication and authorization processes. TACACS+ is facilitated through authentication,
authorization, accounting (AAA) and can be enabled only through AAA commands.
For complete syntax and usage information for the commands used in this section, refer to the Cisco IOS
Note
Security Command Reference for Release 12.1.
This section contains this configuration information:

Understanding TACACS+

TACACS+ is a security application that provides centralized validation of users attempting to gain access
to your switch. TACACS+ services are maintained in a database on a TACACS+ daemon typically
running on a UNIX or Windows NT workstation. You should have access to and should configure a
TACACS+ server before the configuring TACACS+ features on your switch.
TACACS+ provides for separate and modular authentication, authorization, and accounting facilities.
TACACS+ allows for a single access control server (the TACACS+ daemon) to provide each
service—authentication, authorization, and accounting—independently. Each service can be tied into its
own database to take advantage of other services available on that server or on the network, depending
on the capabilities of the daemon.
78-11380-04
Understanding TACACS+, page 7-9
TACACS+ Operation, page 7-11
Configuring TACACS+, page 7-12
Displaying the TACACS+ Configuration, page 7-16
Controlling Switch Access with TACACS+
Purpose
Log in to a specified privilege level.
For level, the range is 0 to 15.
Exit to a specified privilege level.
For level, the range is 0 to 15.
Catalyst 2950 Desktop Switch Software Configuration Guide
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