3-10
Scenario
Authentication
mode
User type Command
Command
level
The user privilege level level
command is executed, and the
service-type command does not specify
the available command level.
Level 0
The user privilege level level
command is executed, and the
service-type command specifies the
available command level.
Determined by
the service-type
command
Refer to AAA Operation and SSH Operation of this manual for information about AAA, RADIUS, and
SSH.
Configuration Example
Network requirements
Assume current user logins through the console port and the user level is set to the administrator level
(level 3). Perform the following configurations for users logging in to VTY 0 using Telnet.
z Configure the local user name as guest.
z Set the authentication password of the local user to 123456 (in plain text).
z Set the service type of VTY users to Telnet and the command level to 2.
z Configure to authenticate users logging in to VTY 0 in scheme mode.
z Only Telnet protocol is supported in VTY 0.
z The screen can contain up to 30 lines.
z The history command buffer can store up to 20 commands.
z The timeout time of VTY 0 is 6 minutes.
Network diagram
Figure 3-3 Network diagram for Telnet configuration (with the authentication mode being scheme)
Configuration procedure
# Enter system view.
<Sysname> system-view
# Create a local user named guest and enter local user view.
[Sysname] local-user guest
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