Changes the user's password
change-passwd {<OLD-PASSWORD>} <NEW-PASSWORD>
        change passwd {<OLD-PASSWORD>} <NEW-PASSWORD>
            | <OLD-PASSWORD> | Optional. Specify the existing password. | 
| <NEW-PASSWORD> | Specify the new password. Note: 
                                     The password can also be changed interactively. To do so, press [Enter] after the command. | 
A password must have 1 - 64 characters.
nx9500-6C8809#change-passwd Enter old password: Enter new password: Password for user 'admin' changed successfully Please write this password change to memory(write memory) to be persistent. nx9500-6C8809#write memory OK nx9500-6C8809#