I'm seeing some behavior from wireless clients that I can't explain. I have a SSID that has a session timeout value of 24 hours, but I see clients disconnecting every 12 hours, and they are initiating the disconnect themselves.
(sac900-7240xm-2) [MDC] *#show ap remote debug mgmt-frames ap-name Willim15-RAP2
Traced 802.11 Management Frames
-------------------------------
Timestamp stype SA DA BSS signal Misc
--------- ----- -- -- --- ------ ----
Sep 29 04:51:05 deauth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 47 Unspecified Failure (seq num 1416)
Sep 28 16:50:48 assoc-resp 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success
Sep 28 16:50:48 assoc-req b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 48 -
Sep 28 16:50:48 auth 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success (seq num 0)
Sep 28 16:50:48 auth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 0 -
Sep 28 16:50:45 deauth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 49 Unspecified Failure (seq num 1313)
Sep 28 04:50:27 assoc-resp 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success
Sep 28 04:50:27 assoc-req b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 50 -
Sep 28 04:50:27 auth 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success (seq num 0)
Sep 28 04:50:27 auth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 0 -
Sep 28 04:50:24 deauth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 49 Unspecified Failure (seq num 2882)
Sep 27 16:50:07 assoc-resp 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success
Sep 27 16:50:07 assoc-req b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 48 -
Sep 27 16:50:07 auth 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success (seq num 0)
Sep 27 16:50:07 auth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 0 -
Sep 27 16:50:03 deauth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 48 Unspecified Failure (seq num 2699)
Sep 27 04:49:46 assoc-resp 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success
Sep 27 04:49:46 assoc-req b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 48 -
Sep 27 04:49:46 auth 00:4e:35:xx:xx:xx b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 15 Success (seq num 0)
Sep 27 04:49:46 auth b8:8a:60:xx:xx:xx 00:4e:35:xx:xx:xx 00:4e:35:xx:xx:xx 0 -
There is no CoA involved in my setup, and I can't come up with an explanation as to why my clients would decide to disconnect themselves every 12 hours.