Telnet Configuration with Authentication Mode Being None 51
■ Commands of level 2 are available to users logging in to VTY 0.
■ Telnet protocol is supported.
■ The screen can contain up to 30 lines.
■ The history command buffer can contain up to 20 commands.
■ The timeout time of VTY 0 is 6 minutes.
Network diagram
Figure 10 Network diagram for Telnet configuration (with the authentication mode being
none)
Configuration procedure
# Enter system view, and enable the Telnet service.
<SW4800G> system-view
[SW4800G] telnet server enable
# Enter VTY 0 user interface view.
[SW4800G] user-interface vty 0
# Configure not to authenticate Telnet users logging in to VTY 0.
[SW4800G-ui-vty0] authentication-mode none
# Specify commands of level 2 are available to users logging in to VTY 0.
[SW4800G-ui-vty0] user privilege level 2
# Configure Telnet protocol is supported.
[SW4800G-ui-vty0] protocol inbound telnet
# Set the maximum number of lines the screen can contain to 30.
[SW4800G-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store
to 20.
[SW4800G-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[SW4800G-ui-vty0] idle-timeout 6
PC Switch
RS-232
Configuration cable
Console port
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