Enable authentication for the Privileged EXEC command mode for enhanced security.
sys priv-exec-password
no sys priv-exec-password
default sys priv-exec-password
The default is disabled.
Global Configuration
When you enable authentication for the Privileged EXEC CLI command mode, the changes do not affect any CLI sessions that are currently open. For the changes to take effect, you must first log out from your current CLI session and log back in on a new session.