3Com Switch 7750 Configuration Guide Guide

56 CHAPTER 4: LOGGING IN THROUGH TELNET
# Set the maximum number of commands the history command buffer can store
to 20.
[SW7750-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[SW7750-ui-vty0] idle-timeout 6
Telnet Configuration
with Authentication
Mode Being Password
Configuration Procedure
Tabl e 25 Telnet configuration with the authentication mode being password
Operation Command Description
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 into VTY user
interfaces using the local
password
authentication-mode
password
Required
Set the local password
set authentication
password { cipher | simple }
password
Required
Configure the command level
available to users logging into
the user interface
user privilege level level
Optional
By default, commands of level
0 are available to users
logging into VTY user
interface.
Configure the protocol to be
supported by the user
interface
protocol inbound { all | ssh |
telnet }
Optional
By default, both Telnet
protocol and SSH protocol are
supported.
Make terminal services
available
shell
Optional
By default, terminal services
are available in all user
interfaces.
Set the maximum number of
lines the screen can contain
screen-length screen-length
Optional
By default, the screen can
contain up to 24 lines.
You can use the
screen-length 0 command to
disable the function to display
information in pages.
Set the history command
buffer size
history-command max-size
value
Optional
The default history command
buffer size is 10. That is, a
history command buffer can
store up to 10 commands by
default.