H3C Technologies H3C S5120 Series Switches - Manual (Page 46)

2-7
Table 2-4 Determine the command level (A)
Scenario
Authentication
mode
User type Command
Command level
The user privilege level level
command not executed
Level 3
None
(authentication-mod
e none) Users logging in
through
Console ports
The user privilege level level
command already executed
Determined by
the
level
argument
Configuration Example
Network requirements
Assume the switch is configured to allow you to login through Telnet, and your user level is set to the
administrator level (level 3). After you telnet to the switch, you need to limit the console user at the
following aspects.
z The user is not authenticated when logging in through the Console port.
z Commands of level 2 are available to user logging in to the AUX user interface.
z The baud rate of the Console port is 19200 bps.
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 the AUX user interface is 6 minutes.
Network diagram
Figure 2-5 Network diagram for AUX user interface configuration (with the authentication mode being
none)
Configuration procedure
# Enter system view.
system-view
# Enter AUX user interface view.
[Sysname] user-interface aux 0
# Specify not to authenticate the user logging in through the Console port.
[Sysname-ui-aux0] authentication-mode none