Terminal Access Controller Access-Control System Plus (Tacacs+) - Digi IX14 User Manual

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User authentication

Terminal Access Controller Access-Control System Plus

Your IX14 device supports Terminal Access Controller Access-Control System Plus (TACACS+), a

networking protocol that provides centralized authentication and authorization management for

users who connect to the device. With TACACS+ support, the IX14 device acts as a TACACS+ client,

which sends user credentials and connection parameters to a TACACS+ server over TCP. The TACACS+

server then authenticates the TACACS+ client requests and sends back a response message to the

When you are using TACACS+ authentication, you can have both local users and TACACS+ users able

to log in to the device. To use TACACS+ authentication, you must set up a TACACS+ server that is

accessible by the IX14 device prior to configuration. The process of setting up a TACACS+ server varies

by the server environment.

This section contains the following topics:

TACACS+ user configuration

TACACS+ server failover and fallback to local authentication

Configure your IX14 device to use a TACACS+ server

IX14 User Guide

Terminal Access Controller Access-Control System Plus (TACACS+)