DG-FS4526 User Manual
4-85
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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 TACACS+ servers and parameters. Use the no form to
restore the default.
Syntax
[no] tacacs-server index host {host_ip_address} [port port_number]
[timeout timeout] [retransmit retransmit] [key key]
• index - Specifies the index number of the server. (Range: 1)
• host_ip_address - IP address of the server.
• port_number - The TACACS+ server TCP port used for authentication
messages. (Range: 1-65535)
• timeout - Number of seconds the switch waits for a reply before resending
a request. (Range: 1-540 seconds)
• retransmit - Number of times the switch will resend an authentication
request to the TACACS+ server. (Range: 1-30)
• key - Encryption key used to authenticate logon access for client. Do not
use blank spaces in the string. (Maximum length: 20 characters)
Default Setting
• port - 49
• timeout - 5 seconds
• retransmit - 2
Command Mode
Global Configuration
Table 4-31 TACACS+ Commands
Command Function Mode Page
tacacs-server host Specifies the TACACS+ server GC 4-85
tacacs-server port Specifies the TACACS+ server network port GC 4-86
tacacs-server key Sets the TACACS+ encryption key GC 4-86
tacacs-server retransmit Sets the number of retries GC 4-87
tacacs-server timeout Sets the interval before resending an authentication request GC 4-87
show tacacs-server Shows the current TACACS+ settings GC 4-87
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