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What's mean of 802.11 Deauth Reason Codes?

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TitleWhat's mean of 802.11 Deauth Reason Codes?
Question
What's mean of 802.11 Deauth Reason Codes?
Environment
  • Wing
  • IdentiFi Wireless
  • 802.11
  • Deauth Reason Code
Answer

Please refer to below table.
 
Code802.11 definition
0Reserved
1Unspecified reason
2Previous authentication no longer valid
3station is leaving (or has left) IBSS or ESS
4Disassociated due to inactivity
5Disassociated because AP is unable to handle all currently associated stations
6Class 2 frame received from nonauthenticated station
7Class 3 frame received from nonassociated station
8Disassociated because sending station is leaving (or has left) BSS
9Station requesting (re)association is not authenticated with responding station
10Disassociated because the information in the Power Capability element is unacceptable
11Disassociated because the information in the Supported Channels element is unacceptable
12Reserved
13Invalid information element, i.e., an information element defined in this standard for
which the content does not meet the specifications in Clause 7
14Message integrity code (MIC) failure
154-Way Handshake timeout
16Group Key Handshake timeout
17Information element in 4-Way Handshake different from (Re)Association Request/Probe
Response/Beacon frame
18Invalid group cipher
19Invalid pairwise cipher
20Invalid AKMP
21Unsupported RSN information element version
22Invalid RSN information element capabilities
23IEEE 802.1X authentication failed
24Cipher suite rejected because of the security policy
25-31Reserved
32Disassociated for unspecified, QoS-related reason
33Disassociated because QAP lacks sufficient bandwidth for this QSTA
34Disassociated because excessive number of frames need to be acknowledged, but are not
acknowledged due to AP transmissions and/or poor channel conditions
35Disassociated because QSTA is transmitting outside the limits of its TXOPs
36Requested from peer QSTA as the QSTA is leaving the QBSS (or resetting)
37Requested from peer QSTA as it does not want to use the mechanism
38Requested from peer QSTA as the QSTA received frames using the mechanism for which
a setup is required
39Requested from peer QSTA due to timeout
40Peer QSTA does not support the requested cipher suite
46-6553546--65 535 Reserved

 
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