Broadcast traffic with LCD Projector

Hi all,
Please help...
how to enable broadcast traffic on WiSM on same VLAN/Interface...
i have a LCD Projector that when the client do automatic search.. the client will broadcast to 255.255.255.255 and somehow the the LCD Projetor do not respond for the broadcast traffic by the client...
I already configured the WiSM to forward broadcast traffic...
i already tested it using cisco autonomous AP and have the LCD Projector and Laptop joining the same ssid and successfully do the automatic search...
anyone can help...??
regards
Robin

hey... i have good news.....
the problem is on the AP Multicast Mode...not on the ethernet multicast mode...
Web Mode.................................... Enable
Secure Web Mode............................. Disable
Secure Web Mode Cipher-Option High.......... Disable
Secure Web Mode Cipher-Option SSLv2......... Enable
Secure Shell (ssh).......................... Enable
Telnet...................................... Enable
Ethernet Multicast Mode..................... Enable Mode: Ucast
Ethernet Broadcast Mode..................... Enable
AP Multicast Mode........................... Unicast
IGMP snooping............................... Enabled
IGMP timeout................................ 60 seconds
User Idle Timeout........................... 300 seconds
ARP Idle Timeout............................ 300 seconds
Cisco AP Default Master..................... Disable
AP Join Priority............................ Disable
Mgmt Via Wireless Interface................. Enable
Mgmt Via Dynamic Interface.................. Disable
Bridge MAC filter Config.................... Disable
Bridge Security Mode........................ EAP
Mesh Full Sector DFS........................ Enable
--More-- or (q)uit
Apple Talk ................................. Disable
AP Fallback ................................ Enable
Web Auth Redirect Ports .................... 80
Fast SSID Change ........................... Enabled
802.3 Bridging ............................. Disable
IP/MAC Addr Binding Check .................. Enabled
does it mean that the wlc will receiving multicast traffic from the ethernet and will forward the multicast traffic on the wireless side in unicast mode....

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