Configuration Guidelines to setup APPLE TV with Cisco Wireless LAN Controller (WLC)
Apple TV uses multicast application to communicate between the apple products and needs multicast to be enabled on the wired and wireless.
Here is the guidelines to get the Apple TV working with the Cisco WLC.
Its a 2 step process
1>> Configure Multicast on the WLC
2>> Configure Wired network to support Multicast.
CONFIGURING MULTICAST ON WLC
>> Cisco WLC supports Multicast in 2 modes, use either one of them--- Preferred Multicast-Multicast mode
Multicast mode requires Multicast group IP address to be configure and this IP address should be a multicast IP and is used only to communicate between the WLC and the AP and nothing else.
Unicast is kind of obsolete and its just a broadcast and no extra configs are need to be done apart from enabling this mode on the WLC.
>> After the Multicast mode, DON'T FORGET to enable GLOBAL MULTICAST and the IGMP Snooping on the WLC
CONFIGURING MULTICAST ON WIRED
>> Global multicast routing on the router along with PIM under the client VLAN, The WLC management VLAN, AP manager VLAN, AP Vlan.
This will do the Job..
Example config using Multicast-Multicast Mode
6500 Core Switch ------------ WISM ---------- AP )))) (((((( Wireless Client using Apple TV
))))) ((((((( Wireless Client Using Apple TV
VLAN 40 -- WLC Management, AP manager and AP Vlan
VLAN 50 -- Client VLAN.
Configs on the router for Multicast routing and the PIM
Enable Multicast routing
6504-WLCBUG#sh run | i mul
Enable PIM on Client VLAN, AP VLAN, WLC management VLAN and the AP MANAGER VLAN
Current configuration : 121 bytes
description // Management Vlan //
ip address 10.105.135.136 255.255.255.128
ip pim dense-mode
6504-WLCBUG#sh run int vlan 50
Current configuration : 119 bytes
description // Client VLAN //
ip address 172.16.1.1 255.255.255.0
ip pim dense-mode
Configs on the WLC for Multicast support
>> Configure Multicast-Multicast mode and specify the Multicast Group Address
>> Enable Multicast Global and IGMP snooping
Check the APPLE TV app on the IPAD, this will not be grayed out like before and works just fine!!