Hi Hammer, Thanks for the reply and including the actual transcripts / quotes from the Webinar advising MU-MIMO to be turned off. I must admit I was kind of multitasking while watching(listening) to the webinar and my key takeaway from the Webinar was that the MU-MIMO has a very little performance gain as per the slide #17 of 24 “Focusing on MU is like picking up pennies when $100 bills are lying all around you” here http://public.brighttalk.com/resource/core/146591/wave2_netscout_269407.pdf Overall, I would agree with turning off the MU-MIMO, if it did actually cause these system meltdown and I’m wondering if there is any data to show this info? Once again thanks for sharing the webinar and responding to my post! cheers ... View more

Just a thought, I've watched the Devin Akin's Webinar into ac wave 2 in the link and although it talks about very little benefit over using MU-MIMO, he does NOT explicitly state to "turn off" the MU-MIMO on the APs that are capable of this functionality?   Is this correct or did I miss something on the Webinar? ... View more