Cisco WAP121 Administration Manual page 176

Deauthentication Message Reason Codes
Cisco Small Business WAP121 and WAP321 Wireless-N Access Point with PoE
When a client deauthenticates from the WAP device, a message is sent to the
system log. The message includes a reason code that may be helpful in
determining why a client was deauthenticated. You can view log messages when
you click Status and Statistics > Log Status.
The following table describes the deauthentication reason codes.
Reason code Meaning
0 Reserved
1 Unspecified reason
2 Previous authentication no longer valid
3 Deauthenticated because sending station (STA) is leaving or has
left Independent Basic Service Set (IBSS) or ESS
4 Disassociated due to inactivity
5 Disassociated because WAP device is unable to handle all
currently associated STAs
6 Class 2 frame received from nonauthenticated STA
7 Class 3 frame received from nonassociated STA
8 Disassociated because sending STA is leaving or has left Basic
Service Set (BSS)
9 STA requesting (re)association is not authenticated with
responding STA
10 Disassociated because the information in the Power Capability
element is unacceptable
A
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