3Com 4500 Switch User Manual


 
3-5
Network diagram
Figure 3-1 Network diagram for Telnet configuration (with the authentication mode being none)
Configuration procedure
# Enter system view.
<Sysname> system-view
# Enter VTY 0 user interface view.
[Sysname] user-interface vty 0
# Configure not to authenticate Telnet users logging in to VTY 0.
[Sysname-ui-vty0] authentication-mode none
# Specify commands of level 2 are available to users logging in to VTY 0.
[Sysname-ui-vty0] user privilege level 2
# Configure Telnet protocol is supported.
[Sysname-ui-vty0] protocol inbound telnet
# Set the maximum number of lines the screen can contain to 30.
[Sysname-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store to 20.
[Sysname-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[Sysname-ui-vty0] idle-timeout 6
Telnet Configuration with Authentication Mode Being Password
Configuration Procedure
Follow these steps to configure Telnet with the authentication mode being password:
To do… Use the command… Remarks
Enter system view
system-view
Enter one or more VTY
user interface views
user-interface vty
first-number [ last-number ]
Configure to authenticate
users logging in to VTY
user interfaces using the
local password
authentication-mode
password
Required
Set the local password
set authentication
password { cipher | simple }
password
Required