Command Line Interface

4-74

4
TACACS+ Client
Terminal Access Controller Access Control System (TACACS+) is a logon
authentication protocol that uses software running on a central server to control
access to TACACS-aware devices on the network. An authentication server
contains a database of multiple user name/password pairs with associated privilege
levels for each user or group that require management access to a switch.

tacacs-server host

This command specifies the TACACS+ server. Use the no form to restore the
default.
Syntax
tacacs-server host host_ip_address
no tacacs-server host
host_ip_address - IP address of a TACACS+ server.
Default Setting
10.11.12.13
Command Mode
Global Configuration
Example

tacacs-server port

This command specifies the TACACS+ server network port. Use the no form to
restore the default.
Syntax
tacacs-server port port_number
no tacacs-server port
port_number - TACACS+ server TCP port used for authentication
messages. (Range: 1-65535)
Default Setting
49
Table 4-30 TACACS+ Client Commands
Command Function Mode Page
tacacs-server host Specifies the TACACS+ server GC 4-74
tacacs-server port Specifies the TACACS+ server network port GC 4-74
tacacs-server key Sets the TACACS+ encryption key GC 4-75
show tacacs-server Shows the current TACACS+ settings GC 4-75
Console(config)#tacacs-server host 192.168.1.25
Console(config)#