Command Line Reference Guide

1232 | Security
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Command Mode
CONFIGURATION
Command
History
tacacs-server host
c e s
Specify a TACACS+ host.
Syntax
tacacs-server host {hostname | ipv4-address | ipv6-address} [port number] [timeout seconds]
[key key]
Parameters
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
To list multiple TACACS+ servers to be used by the aaa authentication login command, configure this
command multiple times.
If you are not configuring the switch as a TACACS+ server, you do not need to configure the port,
timeout and key optional parameters. If you do not configure a key, the key assigned in the
tacacs-server key command is used.
Related
Commands
Version 7.6.1.0 Introduced for S-Series
Version 7.5.1.0 Introduced for C-Series
pre-Version 6.2.1.1 Introduced on E-Series
hostname
Enter the name of the TACACS+ server host.
ipv4-address |
ipv6-address
Enter the IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X), of the TACACS+ server host.
port number
(OPTIONAL) Enter the keyword port followed by a number as the port to be used by the TACACS+ server.
Range: zero (0) to 65535
Default: 49
timeout seconds (OPTIONAL) Enter the keyword timeout followed by the number of seconds the switch
waits for a reply from the TACACS+ server.
Range: 0 to 1000
Default: 10 seconds
key key (OPTIONAL) Enter the keyword key followed by a string up to 42 characters long as the
authentication key. This authentication key must match the key specified in the
tacacs-server key for the TACACS+ daemon.
Configure this parameter last because leading spaces are ignored.
Version 8.4.1.0 Added support for IPv6
Version 7.7.1.0 Authentication key length increased to 42 characters
Version 7.6.1.0 Introduced for S-Series
Version 7.5.1.0 Introduced for C-Series
pre-Version 6.2.1.1 Introduced on E-Series
aaa authentication login Specify the login authentication method.
tacacs-server key Configure a TACACS+ key for the TACACS server.