Hi all,
I got exactly the same issue. I tried to activate "Drop broadcast and multicast" in the VAP profile but it doesn't change anything.
#show ap client trail-info <mac>
...
Deauth Reason
-------------
Reason Timestamp
------ ---------
STA has left and is deauthenticated Dec 18 20:52:20
STA has left and is deauthenticated Dec 18 20:52:12
STA has left and is deauthenticated Dec 18 20:51:58
STA has left and is deauthenticated Dec 18 20:51:45
STA has left and is deauthenticated Dec 18 20:51:44
STA has left and is deauthenticated Dec 18 20:51:30
STA has left and is deauthenticated Dec 18 20:51:16
STA has left and is deauthenticated Dec 18 20:51:15
STA has left and is deauthenticated Dec 18 20:51:02
STA has left and is deauthenticated Dec 18 20:51:01
Num Deauths:10
Alerts
------
Reason Timestamp
------ ---------
STA has left and is deauthenticated Dec 18 20:52:20
STA has left and is deauthenticated Dec 18 20:52:12
STA has left and is deauthenticated Dec 18 20:51:58
STA has left and is deauthenticated Dec 18 20:51:45
STA has left and is deauthenticated Dec 18 20:51:44
STA has left and is deauthenticated Dec 18 20:51:30
STA has left and is deauthenticated Dec 18 20:51:16
STA has left and is deauthenticated Dec 18 20:51:15
STA has left and is deauthenticated Dec 18 20:51:02
STA has left and is deauthenticated Dec 18 20:51:01
Num Alerts:10
Mobility Trail
--------------
BSSID ESSID AP-name Timestamp
----- ----- ------- ---------
04:bd:88:69:f2:82 voice AP23 Dec 18 21:06:07
04:bd:88:69:f2:82 voice AP23 Dec 18 20:52:20
04:bd:88:69:f2:82 voice AP23 Dec 18 20:52:13
04:bd:88:69:df:82 voice AP28 Dec 18 20:52:12
04:bd:88:69:df:82 voice AP28 Dec 18 20:51:59
04:bd:88:69:f2:82 voice AP23 Dec 18 20:51:58
04:bd:88:69:f2:82 voice AP23 Dec 18 20:51:58
04:bd:88:69:d7:42 voice AP33 Dec 18 20:51:45
04:bd:88:69:d7:42 voice AP33 Dec 18 20:51:45
04:bd:88:69:d9:a2 voice AP35 Dec 18 20:51:44
Num Mobility Trails:10
If we look a little bit more into details we can found that the client is sending all the time deauth request to the AP (5 deauth request in less than one minute).
Dec 18 20:40:18 assoc-resp 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success
Dec 18 20:40:18 assoc-req 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 -
Dec 18 20:40:18 auth 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success (seq num 0)
Dec 18 20:40:18 auth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 0 -
Dec 18 20:40:17 deauth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 STA has left and is deauthenticated (seq num 255)
Dec 18 20:40:15 assoc-resp 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success
Dec 18 20:40:15 assoc-req 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 -
Dec 18 20:40:15 auth 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success (seq num 0)
Dec 18 20:40:15 auth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 0 -
Dec 18 20:40:06 deauth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 STA has left and is deauthenticated (seq num 403)
Dec 18 20:40:03 assoc-resp 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success
Dec 18 20:40:03 assoc-req 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 -
Dec 18 20:40:03 auth 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success (seq num 0)
Dec 18 20:40:03 auth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 0 -
Dec 18 20:40:02 deauth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 STA has left and is deauthenticated (seq num 300)
Dec 18 20:40:01 assoc-resp 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success
Dec 18 20:40:01 assoc-req 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 -
Dec 18 20:40:01 auth 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success (seq num 0)
Dec 18 20:40:01 auth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 0 -
Dec 18 20:40:00 deauth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 STA has left and is deauthenticated (seq num 213)
Dec 18 20:39:57 assoc-resp 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success
Dec 18 20:39:57 assoc-req 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 -
Dec 18 20:39:57 auth 04:bd:88:69:f2:82 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 15 Success (seq num 0)
Dec 18 20:39:57 auth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 0 -
Dec 18 20:39:56 deauth 00:01:3e:3d:02:e1 04:bd:88:69:f2:82 04:bd:88:69:f2:82 58 STA has left and is deauthenticated (seq num 95)
What could be the reason of that behavior?
Thanks in advance for your help and your suggestion,
Kind regards,
Geronimo