D-Link DGS-3212SR Command Line Interface Reference Manual page 173

config authen_enable
Parameters default – The default method list for administration rights
authentication, as defined by the user. The user may choose one or
a combination of up to four (4) of the following authentication
methods:
method_list_name – Enter a previously implemented method list
name defined by the user (create authen_enable). The user may
add one, or a combination of up to four (4) of the following
authentication methods to this method list:
DGS-3212SR Layer 3 Gigabit Switch
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.
radius – Adding this parameter will require the user to be
authenticated using the RADIUS protocol from the remote
RADIUS server hosts of the RADIUS server group list.
server_group <string 15> - Adding this parameter will
require the user to be authenticated using a user-defined
server group previously configured on the switch.
local_enable - Adding this parameter will require the user to
be authenticated using the local user account database on
the switch.
none – Adding this parameter will require no authentication
to access the switch.
tacacs – Adding this parameter will require the user to be
authenticated using the TACACS protocol from a remote
TACACS server.
xtacacs – Adding this parameter will require the user to be
authenticated using the XTACACS protocol from a remote
XTACACS server.
tacacs+ – Adding this parameter will require the user to be
authenticated using the TACACS+ protocol from a remote
TACACS+ server.
radius – Adding this parameter will require the user to be
authenticated using the RADIUS protocol from a remote
RADIUS server.
server_group <string 15> - Adding this parameter will
require the user to be authenticated using a user-defined
server group previously configured on the switch.
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