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  • Please include more details (make and model) on your WiFi AP/router in your question.
    – Daniel B
    Commented Mar 21, 2015 at 13:16
  • Added some details and clarified.
    – user3596479
    Commented Mar 21, 2015 at 14:59
  • Unfortunately multicasts are very expensive on Wi-Fi, making this a bad idea. Multicast packets on Wi-Fi must be sent at a low data rate so everyone can receive them. This wastes a lot of airtime (bandwidth). Multicasts are also buffered for short periods of time and sent all at once (DTIM interval), potentially causing jitter for real-time A/V streaming protocols. For best results, keep your clients close to the AP so you can set your multicast rate high, set your DTIM interval to 0, and disable power save mode on ALL client devices. I strongly advise against Wi-Fi multicast streaming.
    – Spiff
    Commented Aug 31, 2017 at 18:10