D-Link DGS-3224TGR Command Line Interface Reference Manual page 147

config authentication login
Purpose Used to configure a user-defined or default method list of authentication methods for user
login.
Syntax config authentication login [default | method_list_name <string 15>] method
<string> {<string> {<string> {<string>}}}
This command will configure a user-defined or default method list of authentication
Description
methods for users logging on to the Switch. The sequence of methods implemented in
this command will affect the authentication result. For example, if a user enters a
sequence of methods like tacacs – xtacacs – local, the Switch will send an authentication
request to the first tacacs host in the server group. If no response comes from the server
host, the Switch will send an authentication request to the second tacacs host in the
server group and so on, until the list is exhausted. At that point, the Switch will restart the
same sequence with the following protocol listed, xtacacs. If no authentication takes place
using the xtacacs list, the local account database set in the Switch is used to authenticate
the user. When the local method is used, the privilege level will be dependant on the local
account privilege configured on the Switch.
Successful login using any of these methods will give the user a "user" privilege only. If
the user wishes to upgrade his or her status to the administrator level, the user must
implement the enable admin command, followed by a previously configured password.
(See the enable admin part of this section for more detailed information, concerning the
enable admin command.)
Parameters
default – The default method list for access authentication, as defined by the user. The
user may choose one or a combination of up to four of the following authentication
methods:
DGS-3224TGR Gigabit Ethernet Switch CLI Reference Manual
tacacs – Adding this parameter will require the user to be authenticated using
the TACACS protocol from the remote TACACS server hosts of the TACACS
server group list.
xtacacs – Adding this parameter will require the user to be authenticated using
the XTACACS protocol from the remote XTACACS server hosts of the
XTACACS server group list.
tacacs+ – Adding this parameter will require the user to be authenticated using
the TACACS+ protocol from the remote TACACS+ server hosts of the
TACACS+ server group list.
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