某些情况下，客户端会被解除关联，我们可以根据如下Reason Code和描述对应起来，以明白是什么原因导致了客户端解除关联。
802.11 Dissassociation Codes
|
Value
|
802.11 or Symbol/WPA Reason Code
|
Description
|
|
0
|
REASON_CODE_80211_SUCCESS
|
Reserved internally to indicate success
|
|
1.
|
REASON_CODE_80211_UNSPECIFIED_ERROR
|
Unspecified Reason
|
|
3.
|
DISASSOCIATION_REASON_CODE_STATION_LEAVING_ESS
|
Deauthenticated because sending station has left or is leaving IBSS or ESS
|
|
4.
|
DISASSOCIATION_REASON_CODE_INACTIVITY
|
Disassociated due to inactivity
|
|
5.
|
DISASSOCIATION_REASON_CODE_STATION_LIMIT_EXCEEDED
|
Disassociated because AP is unable to handle all currently associated stations
|
|
6.
|
DISASSOCIATION_REASON_CODE_CLASS_2_PKT_FROM_NON_AUTH
|
Class 2 frame received from non-authenticated station
|
|
7.
|
DISASSOCIATION_REASON_CODE_CLASS_3_PKT_FROM_NON_ASSOC
|
Class 3 frame received from non-associated station
|
|
8.
|
DISASSOCIATION_REASON_CODE_STATION_LEAVING_BSS
|
Disassociated because sending station has left or is leaving BSS
|
|
9.
|
DISASSOCIATION_REASON_CODE_STATION_NOT_AUTHENTICATED
|
Station requesting re-association is not authenticated with responding station
|
|
13.
|
DISASSOCIATION_REASON_CODE_INVALID_INFORMATION_ELEMENT
|
Invalid Information Element
|
|
14.
|
DISASSOCIATION_REASON_CODE_MIC_FAILURE
|
Michael MIC failure
|
|
15.
|
DISASSOCIATION_REASON_CODE_4WAY_HANDSHAKE_TIMEOUT
|
4-Way Handshake timeout
|
|
16.
|
DISASSOCIATION_REASON_CODE_GROUP_KEY_UPDATE_TIMEOUT
|
Group key update timeout
|
|
17.
|
DISASSOCIATION_REASON_CODE_4WAY_IE_DIFFERENCE
|
Information element in 4-Way Handshake different from Re-associated request/Proberesponse/Beacon
|
|
18.
|
DISASSOCIATION_REASON_CODE_MULTICAST_CIPHER_INVALID
|
Multicast Cipher is not valid
|
|
19.
|
DISASSOCIATION_REASON_CODE_UNICAST_CIPHER_INVALID
|
Unicast Cipher is not valid
|
|
20.
|
DISASSOCIATION_REASON_CODE_AKMP_NOT_VALID
|
AKMP is not valid
|
|
21.
|
DISASSOCIATION_REASON_CODE_UNSUPPORTED_RSNE_VERSION
|
Unsupported RSN IE version
|
|
22.
|
DISASSOCIATION_REASON_CODE_INVALID_RSNE_CAPABILITIES
|
Invalid RSN IE Capabilities
|
|
23.
|
DISASSOCIATION_REASON_CODE_8021X_AUTHENTICATION_FAILED
|
IEEE 802.1X Authentication failed
|
|
44.
|
DISASSOCIATION_REASON_CODE_PSP_TX_PKT_BUFFER_EXCEEDED
|
Symbol defined (non 802.11 standard) code. The Wireless Switch has exceeded it’s time limit in attempting to deliver buffered PSP frames to the Mobile Unit without receiving a single 802.11 PS Poll or NULL data frame. The Wireless Switch begins the timer when it sets the Mobile Unit’s bit in the TIM section of the 802.11 beacon frame for the BSS. The time limit is at least 15 seconds. The Mobile Unit is probably gone (or may be faulty).
|
|
77.
|
DISASSOCIATION_REASON_CODE_TRANSMIT_RETRIES_EXCEEDED
|
Symbol defined (non 802.11 standard) codes. The Wireless Switch has exceeded it’s retry limit in attempting to deliver a 802.1x EAP message to the Mobile Unit without receiving a single 802.11 ACK. The retry limit varies according to traffic type but is at least 64 times. The Mobile Unit is either gone or has incorrect 802.1x EAP authentication settings.
|