3Com Switch 7750 Configuration Guide

Telnet Configuration with Authentication Mode Being Password 57
■ 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 9 Network diagram for Telnet configuration (with the authentication mode being
password)
Configuration procedure
# Enter system view.
<SW7750> system-view
# Enter VTY 0 user interface view.
[SW7750] user-interface vty 0
# Configure to authenticate users logging into VTY 0 using the local password.
[SW7750-ui-vty0] authentication-mode password
# Set the local password to 123456 (in plain text).
[SW7750-ui-vty0] set authentication password simple 123456
# Specify commands of level 2 are available to users logging into VTY 0.
[SW7750-ui-vty0] user privilege level 2
# Configure Telnet protocol is supported.
[SW7750-ui-vty0] protocol inbound telnet
# Set the maximum number of lines the screen can contain to 30.
[SW7750-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store
to 20.
[SW7750-ui-vty0] history-command max-size 20
User PC running Telnet
Ethernet
Ethernet2/0/1