Manage Device Security 
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 M4300 Series and M4300-96X Fully Managed Switches User Manual
The System Information page displays.
5.  Select Security> Management Security > Enable Password.
6.  In the Password field, type the password. 
Passwords are a maximum of 64 alphanumeric characters.
7.  In the Confirm Password field, type the password again, to confirm that you entered it 
correctly.
8.  Click the Apply
 button.
Your settings are saved.
Configure a Line Password
 To configure a line password: 
1.  Launch a web browser.
2.  In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3.  Enter the user name and password. 
The default admin user name is 
admin and the default admin password is blank, that is, 
do not enter a password.
4.  Click the Login button. 
The System Information page displays.
5.  Select Security> Management Security > Line Password.