D-Link DI-1750 Reference Manual page 348

To provide a TACACS-like username and encrypted password-authentication system for networks that
cannot support TACACS.
To provide special-case logins: such as, access list verification, no password verification,
autocommand execution at login.
To establish the local authentication database, perform the following command in the global
configuration mode:
username name password { password |
[encryption-type] encrypted-password }
Example:
[DEFAULT@Router /config/]#username
(00)WORD
Please Input the code of command to be excute(0-0): 0
Please input a string:dlink (Input username，here is only for example)
......
(04)nocallback-verify
(05)password
......
Please Input the code of command to be excute(0-8): 5
(00)0
(01)7
(02)LINE
Please Input the code of command to be excute(0-2): 0
(00)LINE
Please Input the code of command to be excute(0-0): 0
Please input a string:123456 （Input password，here is only for example）
......
(06)user-maxlinks Limit the user's number of inbound links
(07)<cr>
Please Input the code of command to be excute(0-7): 7
Will you excute it? (Y/N):y
8.1.11 Examples of AAA AuthentificationConfiguration
1. Examples of RADIUS Authentification
This section provides a sample configuration using RADIUS. The following example shows the process
of how to configure the router to authenticate and authorize using RADIUS:
aaa authentication login radius-login radius local
aaa authentication ppp radius-ppp radius
aaa authorization network radius-network radius
line tty/vty
login authentication radius-login
interface serial 1/0
The command lines in this sample are defined as follows:
Command
User name
Do not require authentication after callback
Specify the password for the user
Specifies an UNENCRYPTED password will follow
Specifies a HIDDEN password will follow
The UNENCRYPTED <cleartext> user password
The UNENCRYPTED <cleartext> user password
Model Name
Set up user's name and password.
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Purpose