Dell PowerConnect 5212 System User's Manual page 28

NOTE: The local switch user database must be set up through the CLI by manually entering user names and passwords.
TACACS+ Server Settings — If using a TACACS+ server, specify the following details:
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Server IP Address — Identifies the IP address of the TACACS+ server.
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Server Port Number — Identifies the User Datagram Protocol (UDP) port number used by the TACACS+ server.
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Secret Text String — Specifies the text string that is shared between the switch and the TACACS+ server. Do not use blank spaces in the string.
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CLI Commands
The following table summarizes the equivalent CLI commands for items in the Switch/Security/Authentication Settings page.
Command
authentication login {radius | local | tacacs} [tacacs | radius | local]
[local | tacacs | radius]
radius-server host host_ip_address
radius-server port port_number
radius-server key key_string
radius-server retransmit number_of_retries
radius-server timeout number_of_seconds
show radius-server
tacacs-server host host_ip_address
tacacs-server port port_number
tacacs-server key key_string
show tacacs-server
Usage
Defines the login authentication method and precedence.
Specifies the RADIUS server IP address.
Sets the RADIUS server UDP port number.
Sets the RADIUS encryption key (up to 20 characters).
Sets the number of times the switch attempts to authenticate logon access through the
RADIUS server. (The range is 1–30.)
Sets the number of seconds the switch waits for a reply before resending a request.
(The range is 1-65535.)
Displays the current configuration of the RADIUS server parameters.
Specifies the TACACS+ server IP address.
Sets the TACACS+ server UDP port number.
Sets the TACACS+ encryption key (up to 20 characters).
Displays the current configuration of the TACACS+ server parameters.