Quick Reference Guide

206 | Security Commands
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Syntax
tacacs-server host ip-address
To remove a TACACS+ server host, use the no tacacs-server host {hostname | ip-address}
command.
Default
Not configured
Mode
CONFIGURATION
Usage
Information
In CONFIGURATION mode, you can set several global values for all TACACS+ servers, as listed
below. Successful use of the tacacs-server host command to identify a particular host puts you into
the TACACS configuration mode for that particular host. In that mode, you can override global and
default settings of those parameters. In that TACACS configuration mode, you can also use the
following commands for the particular TACACS host: key, port, priority, single-connection, and
timeout
tacacs-server key
Configure a key for communication between a TACACS+ server and client.
Syntax
tacacs-server key key
To delete a key, use the no tacacs-server key key
Default
Not configured.
Command Modes
CONFIGURATION
Usage
Information
The key configured with this command must match the key configured on the TACACS+ daemon.
Parameters
ip-address
Enter the IP address, in dotted decimal format, of the TACACS+ server host.
Related
Commands
authentication login Specify the login authentication method.
tacacs-server key Configure a TACACS+ key for the TACACS server.
tacacs-server timeout Specify a global timeout value for all TACACS+ hosts.
port Specify a server port number for a particular TACACS host.
timeout Specify the timeout value for a particular TACACS host.
key Specify the authentication and encryption key for all communications between the
client and the particular TACACS server.
priority Specify the priority value for a particular TACACS server.
show tacacs Display settings for all or a particular TACACS server.
Parameters
key
Enter a text string, up to 127 characters long, as the clear text password.
Leading spaces are ignored.