58 CHAPTER 3: LOGGING IN THROUGH TELNET
Configuration Example Network requirements
Assume that you are a level 3 AUX user and want to perform the following
configuration for Telnet users logging in to VTY 0:
■ Configure the name of the local user to be “guest”.
■ Set the authentication password of the local user to 123456 (in plain text).
■ Set the service type of VTY users to Telnet.
■ Configure to authenticate users logging in to VTY 0 in scheme mode.
■ The commands of level 2 are available to users logging in to VTY 0.
■ Telnet protocol is supported in VTY 0.
■ The screen can contain up to 30 lines.
■ The history command buffer can store up to 20 commands.
■ The timeout time of VTY 0 is 6 minutes.
Network diagram
Figure 12 Network diagram for Telnet configuration (with the authentication mode being
scheme)
Configuration procedure
# Enter system view, and enable the Telnet service.
<SW4800G> system-view
[SW4800G] telnet server enable
# Create a local user named “guest” and enter local user view.
[SW4800G] local-user guest
# Set the authentication password of the local user to 123456 (in plain text).
[SW4800G-luser-guest] password simple 123456
# Set the service type to Telnet, Specify commands of level 2 are available to users
logging in to VTY 0.
[SW4800G-luser-guest] service-type telnet level 2
# Enter VTY 0 user interface view.
[SW4800G] user-interface vty 0
# Configure to authenticate users logging in to VTY 0 in the scheme mode.
[SW4800G-ui-vty0] authentication-mode scheme
# Configure Telnet protocol is supported.
[SW4800G-ui-vty0] protocol inbound telnet
PC Switch
RS-232
Configuration cable
Console port
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