Znyx Networks bh5700 - Manual (Page 315)

zmnt –t overlay.tar
The resulting tar file can now be saved on a different host as a snapshot of the overlay at that
point in time. Use zsync to restore the overlay on the switch:
zsync –t overlay.tar
The restored overlay will be used upon the next reboot.
SEE ALSO
zsync
Ethernet Switch Blade User's Guide release 3.2.2j page 315