3-6
To do…
Use the command…
Remarks
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.
Set the timeout time of the user
interface
idle-timeout
minutes
[
seconds
]
Optional
The default timeout time of a user
interface is 10 minutes.
With the timeout time being 10
minutes, the connection to a user
interface is terminated if no
operation is performed in the user
interface within 10 minutes.
You can use the
idle-timeout
0
command to disable the timeout
function.
Note that when the authentication mode is password, the command level available to users logging in to
the user interface is determined by the
user privilege level
level
command.
Configuration Example
Network requirements
As shown in
Figure 3-2
, assume current user logs in using the
oap connect slot
0 command, and the
user level is set to the manage level (level 3). Perform the following configurations for users logging in to
VTY 0 using Telnet.
z
Authenticate users using the local password.
z
Set the local password to 123456 (in plain text).
z
Commands of level 2 are available to the users.
z
Telnet protocol is supported.
z
The screen can contain up to 30 lines.
z
The history command buffer can contain up to 20 commands.
z
The timeout time of VTY 0 is 6 minutes.
Figure 3-2
Network diagram for Telnet configuration (with the authentication mode being password)
RS-232 serial
interface
Console port
PC
Console cable
Switching engine
Configuration procedure
# Enter system view.
<device> system-view
# Enter VTY 0 user interface view.
[device] user-interface vty 0
# Configure to authenticate users logging in to VTY 0 using the password.
