Use the following procedure to allow particular unknown multicast packets to be flooded on all switch VLANs.
Open one of the supported browsers.
Enter the IP address of the switch to open an EDM session.
From the navigation tree, double-click VLAN.
In the VLAN tree, double-click VLANs.
In the work area, click the MAC Multicast Filter Table tab.
In the toolbar, click Insert.
Type the VLAN ID to flood in the AllowedAddressVLANId field.
Type the MAC address to flood in the AllowedAddressMacAddr field.
Click Insert.