The Ip Packer window (winbox) shows the Packer as disabled. (bottom left corner).
(attached a screen).
Actually this is a very simple test on my desk.
The actual situation is for packing VoIP packets into a bigger ones in order to achieve better radio procesors performance over wireless links.
it’s grayed - it means it’s NOT disabled. disable it by pressing ‘Disable’ button - you will see the change. also, in ‘Neighbours’, open an entry - there you will see ‘Unpacking’ line