Operation Manual - Getting Started 
Quidway S3500 Series Ethernet Switches  Chapter 4  User Interface Configuration
 
Huawei Technologies Proprietary 
4-7 
By default, terminal authentication is not required for users log in via the Console port, 
whereas the password is required for authenticating the Modem and Telnet users when 
they log in.  
1)   Perform local password authentication to the user interface 
Using  authentication-mode password command, you can perform local password 
authentication. That is, you need use the command below to configure a login 
password in order to login successfully. 
Perform the following configuration in user interface view. 
Table 4-14 Configuring the local authentication password 
Operation  Command 
Configure the local authentication 
password
 
set authentication password { cipher | 
simple
 }
password 
Remove the local authentication 
password
 
undo set authentication password 
 
# Configure for password authentication when a user logs in through a VTY 0 user 
interface and set the password to huawei. 
[Quidway] user-interface vty 0 
[Quidway-ui-vty0] authentication-mode password 
[Quidway-ui-vty0] set authentication password simple huawei 
2)  Perform local or remote authentication of username and password to the user 
interface 
Using  authentication-mode
 scheme  command, you can perform local or remote 
authentication of username and password. The type of the authentication depends on 
your configuration. For detailed information, see “Security” section. 
In the following example, local username and password authentication are configured. 
# Perform username and password authentication when a user logs in through VTY 0 
user interface and set the username and password to zbr and huawei respectively. 
[Quidway-ui-vty0] authentication-mode scheme 
[Quidway-ui-vty0] quit 
[Quidway] local-user zbr 
[Quidway-luser-zbr] password simple huawei 
[Quidway-luser-zbr] service-type telnet 
3) No authentication 
[Quidway-ui-vty0] authentication-mode none