Enter su mode.
MA5680T(config)#diagnose
MA5680T(diagnose)%%su
Plain text: 6T0QYE0X
Enter the password.
MA5680T(su)%%logonstandby
Do not perform configuration operations after logging in to the standby control board. Otherwise, an error may occur. Are you sure to proceed?
(y/n)[n]: y
MA5680T(su)%%
MA5680T(su)%%display patch all
Note: Do not perform configuration operations after logging in to the standby control board.

