Operation Manual - Getting Started 
Quidway S3500 Series Ethernet Switches  Chapter 4  User Interface Configuration
 
Huawei Technologies Proprietary 
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out, he cannot log in again. In this case, a user can log in to the switch through the user 
interface only when the terminal service is enabled again. 
Table 4-8 Enabling/disabling terminal service 
Operation  Command 
Enable terminal service
 
shell 
Disable terminal service
 
undo shell 
 
By default, terminal service is enabled on all the user interfaces. 
Note the following points: 
z  For the sake of security, the undo shell command can only be used on the user 
interfaces other than AUX user interface. 
z  You cannot use this command on the user interface via which you log in. 
z  You will be asked to confirm before using undo shell on any legal user interface. 
II. Configuring idle-timeout 
Table 4-9 Configuring idle-timeout 
Operation  Command 
Configure idle-timeout
 
idle-timeout minutes [ seconds ] 
Restore the default idle-timeout
 
undo idle-timeout 
 
By default, idle-timeout is enabled and set to 10 minutes on all the user interfaces. That 
is, the user interface will be disconnected automatically after 10 minutes without any 
operation. 
idle-timeout 0 means disabling idle-timeout. 
III. Locking the user interface 
This configuration is to lock the current user interface and prompt the user to enter the 
password. This makes it impossible for others to operate in the interface after the user 
leaves. 
Table 4-10 Locking the user interface 
Operation  Command 
Lock user interface  lock