14-17 
Telnet Login Configuration Task List 
Telnet login configurations vary with different authentication modes.  
Table 14-7 Telnet login configuration tasks when different authentication modes are adopted 
Authentication 
mode 
Configuration  Description 
None  Configure none authentication 
For more information, see 
Configuring None 
Authentication for Telnet Login
 . 
Enable password authentication 
Password 
Set the local password 
For more information, see 
Configuring 
Password Authentication for Telnet Login
. 
Configure to authenticate users locally or 
remotely 
Configure the authentication scheme
 
Scheme 
Configure password authentication 
For more information, see 
Configuring 
Scheme Authentication for Telnet Login
. 
 
Configuring None Authentication for Telnet Login 
Configuration procedure 
Follow these steps to perform Telnet login configuration (with authentication mode none): 
To do…  Use the command…  Remarks 
Enter system view 
System-view 
— 
Enter one or more VTY user 
interface views 
user-interface vty
 
first-number [ last-number ] 
— 
Configure none authentication for 
telnet users that log in to VTY user 
interfaces 
authentication-mode none 
Required 
By default, the authentication mode for 
VTY user interfaces is 
password
. 
 
If you configure not to authenticate the users, the command level for telnet users that log in to the AP 
depends on the user privilege level level command. 
Configuration example 
1) Network requirements 
You have logged in to the AP. 
By default, you can log in to the device through the console port without authentication and have user 
privilege level 3 after login. 
z  Do not authenticate users that log in to VTY 0. 
z  Commands of level 2 are available to users that log in to VTY 0. 
z  Telnet is supported. 
z  The screen can contain up to 30 lines. 
z  The history command buffer can contain up to 20 commands. 
z  The timeout time of VTY 0 is 6 minutes. 
2) Network diagram