H3C LS-3100-52P-OVS-H3 Operation Manual page 1571

Network diagram
Figure 3-2 Network diagram for Telnet configuration (with the authentication mode being password)
Configuration procedure
# Enter system view, and enable the Telnet service.
<H3C> system-view
[H3C] telnet server enable
# Enter VTY 0 user interface view.
[H3C] user-interface vty 0
# Configure to authenticate users logging in to VTY 0 using the local password.
[H3C-ui-vty0] authentication-mode password
# Set the local password to 123456 (in plain text).
[H3C-ui-vty0] set authentication password simple 123456
# Specify commands of level 2 are available to users logging in to VTY 0.
[H3C-ui-vty0] user privilege level 2
# Configure Telnet protocol is supported.
[H3C-ui-vty0] protocol inbound telnet
# Set the maximum number of lines the screen can contain to 30.
[H3C-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store to 20.
[H3C-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[H3C-ui-vty0] idle-timeout 6
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