Motorola Solutions WiNG 5.2.6 Reference Manual page 320

6 - 58 WiNG 5.2.6 Access Point System Reference Guide
13.Configure the following parameters in respect to the intended
Multicast Mask
Primary
Figure 6-21 WLAN QoS Policy screen - Multimedia Optimizations tab
Configure the primary multicast mask defined for a QoS policy. Normally,
all multicast and broadcast packets are buffered until the periodic DTIM
interval (indicated in the 802.11 beacon frame), when clients in power save
mode awake to check for frames. However, for certain applications and
traffic types, an administrator may want the frames transmitted
immediately, without waiting for the DTIM interval. By configuring a
primary and secondary multicast mask, an administrator can indicate
which frames are transmitted immediately. Setting masks is optional, and
only needed if there are traffic types requiring special handling.
Multicast Mask: