That's exactly it. MX100 has been end of sales for 3+ years and the recommended replacement is the MX95.   If this was a replacement as part of a support case and the MX100 was in a HA pair they should send you two MX95s (and convert the license key in your dashboard).  ... View more

From what i read it could be related to 802.11r Do you have that enabled on the ssid?   Also, try update the client drivers /firmware ... View more

I was able to fix the problem by upgrading to v18 and change Client tracking to "IP Address." The problem was the new Content filtering changed in v17 was not working well with my internal L3 routing.  ... View more