From the navigation pane, double-click VLAN.
In the VLAN tree, click VLANs.
In the Basic tab, select the VLAN ID that you want to configure with directed broadcast.
On the toolbar, click IP.
In the work area, click DirectedBroadcast.
Select the DirectedBroadcast checkbox to enable, or clear the checkbox to disable.
On the toolbar, click Apply.