3Com 4200G 12-Port, Configuration Manual

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104 C
HAPTER
19: L
OGGING IN THROUGH
T
ELNET
Configuration Example Network requirements
Assume that you are a level 3 AUX user and want to perform the following
configuration for Telnet users logging into VTY 0:
■
Authenticate users logging into VTY 0 using the local password.
■
Set the local password to 123456 (in plain text).
■
Commands of level 2 are available to users logging into 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 31 Network diagram for Telnet configuration (with the authentication mode being
password)
Configuration procedure
1 Enter system view.
<S4200G> system-view
2 Enter VTY 0 user interface view.
[4200G] user-interface vty 0
3 Configure to authenticate users logging into VTY 0 using the local password.
[4200G-ui-vty0] authentication-mode password
4 Set the local password to 123456 (in plain text).
[4200G-ui-vty0] set authentication password simple 123456
5 Specify commands of level 2 are available to users logging into VTY 0.
[4200G-ui-vty0] user privilege level 2
6 Configure Telnet protocol is supported.
[4200G-ui-vty0] protocol inbound telnet
7 Set the maximum number of lines the screen can contain to 30.
[4200G-ui-vty0] screen-length 30
8 Set the maximum number of commands the history command buffer can store to 20.
[4200G-ui-vty0] history-command max-size 20
9 Set the timeout time to 6 minutes.
[4200G-ui-vty0] idle-timeout 6
Console port
Console cable
RS-232
Console port
Console cable
RS-232