3Com 4210 PWR Configuration Manual page 43

Telnet protocol is supported.
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The screen can contain up to 30 lines.
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The history command buffer can contain up to 20 commands.
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The timeout time of VTY 0 is 6 minutes.
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Network diagram
Figure 9 Network diagram for Telnet configuration (with the authentication mode being
none)
RS-232 port
Configuration cable
Configuration procedure
# Enter system view.
<4210> system-view
# Enter VTY 0 user interface view.
[4210] user-interface vty 0
# Configure not to authenticate Telnet users logging into VTY 0.
[4210-ui-vty0] authentication-mode none
# Specify commands of level 2 are available to users logging into VTY 0.
[4210-ui-vty0] user privilege level 2
# Configure Telnet protocol is supported.
[4210-ui-vty0] protocol inbound telnet
# Set the maximum number of lines the screen can contain to 30.
[4210-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store
to 20.
[4210-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[4210-ui-vty0] idle-timeout 6
Logging in through Telnet
Console port
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