The LLC_DIR_MULTICAST_ADDRESS structure is the DLC parameter table for the LLC_DIR_SET_MULTICAST_ADDRESS command. You pass a pointer to this structure using the pParameterTable member of the CCB_PARMS union.
typedef struct {
UCHAR auchMulticastAddress[6];
} LLC_DIR_MULTICAST_ADDRESS, *PLLC_DIR_MULTICAST_ADDRESS;