Brocade Communications Systems Brocade 8/12c Command Reference Manual page 581

Password matches one of the previous passwords
You must wait longer to change your password
Password contains invalid characters
EXAMPLES
To change the password for the admin account while logged in as admin:
To change the password for user "admin" from an admin account noninteractively:
To change the password for user "brocadeUser" from an admin account noninteractively:
SEE ALSO
login, logout,
Fabric OS Command Reference
53-1001764-01
The password you entered matches one of the previous passwords.
You cannot change the password before the minimum aging period expires.
The password you entered contains invalid characters.
switch:admin> passwd
Changing password for admin
Enter new password:
Re-type new password:
Password changed.
Saving password to stable storage.
Password saved to stable storage successfully.
switch:admin> passwd -old password -new adminpass
Password changed.
Saving password to stable storage.
Password saved to stable storage successfully.
switch:admin> passwd -old brocadeUser -old brcdPasswd -new mynewPasswd
Password changed.
Saving password to stable storage.
Password saved to stable storage successfully.
passwdCfg
22
passwd
547