CN104602286A - Method and device for locating STA communication faults - Google Patents
Method and device for locating STA communication faults Download PDFInfo
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- CN104602286A CN104602286A CN201510016024.0A CN201510016024A CN104602286A CN 104602286 A CN104602286 A CN 104602286A CN 201510016024 A CN201510016024 A CN 201510016024A CN 104602286 A CN104602286 A CN 104602286A
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Abstract
The application discloses a method for locating STA (single-threaded apartment) communication faults on a wireless client and a device for locating STA communication faults on the wireless client. The method comprises the following steps: after commands for locating the faults of the STA which generates communication faults are received, a fault location notice is respectively transmitted to a first AP (access point) and a second AP where scanning signals of the STA are detected, wherein the STA is associated with AC (Alternating Current) through the first AP; a first fault tracking report transmitted on the first AP and a second fault tracking report transmitted on the second AP are received, and the first fault tracking report and the second fault tracking report respectively refer to the fault tracking reports generated by tracking the STA faults via the first AP and the second AP according to the fault location notice; according to the first fault tracking report and the second fault tracking report, the STA communication faults are located. The STA communication faults can be automatically, quickly and efficiently located by the method, thus the user operation is simplified.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to method and the device of STA communication failure location.
Background technology
At WLAN (Wireless Local Area Network, WLAN (wireless local area network)) in, STA (Station, wireless client) by AP (Access Point, access point) and AC (Access Controller, access controller) association, communicated with outer net equipment by AC control STA.
In wireless communication procedure, there is communication failure unavoidably, cause STA cannot proper communication.In order to get rid of communication failure, need to position communication failure, to get rid of communication failure as early as possible.
Prior art uses the supplementary means positioning and communicating faults such as Special debugging instrument or packet catcher usually, but this locate mode requires that user has deep understanding to realize to product and technology, too high to the requirement of user, is not easy to user operation.
Summary of the invention
In view of this, this application provides a kind of wireless client STA communication failure localization method, be applied to access controller AC, the method comprises:
Receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP described STA sweep signal being detected, wherein, described STA is associated with described AC by a described AP;
Receive the Fisrt fault that a described AP send and follow the tracks of the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of;
The communication failure of report and the described second fault tracking report described STA in location is followed the tracks of according to described Fisrt fault.
Present invention also provides a kind of wireless client STA communication failure localization method, be applied to the first access point AP, the method comprises:
Receive the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends;
According to described fault location notice, fault tracking is carried out to described STA, generate fault and follow the tracks of report;
Send described fault to described AC and follow the tracks of report, follow the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
Present invention also provides a kind of wireless client STA communication failure positioner, be applied to access controller AC, this device comprises:
Transmitting element, for receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP that described STA sweep signal detected, wherein, described STA is associated with described AC by a described AP;
Receiving element, follow the tracks of for receiving the Fisrt fault that a described AP send the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of;
Positioning unit, for following the tracks of the communication failure of report and the described second fault tracking report described STA in location according to described Fisrt fault.
Present invention also provides a kind of wireless client STA communication failure positioner, be applied to the first access point AP, this device comprises:
Receiving element, for receiving the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends;
Generation unit, for carrying out fault tracking according to described fault location notice to described STA, generating fault and following the tracks of report;
Transmitting element, follows the tracks of report for sending described fault to described AC, follows the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
When there is STA communication failure in the application, send fault location by AC to an AP and the 2nd AP to notify, one AP and the 2nd AP carries out fault tracking according to fault location notice to STA respectively, and generate corresponding fault tracking report, fault is followed the tracks of in report and is given AC by the one AP and the 2nd AP respectively, follow the tracks of report by AC to the fault that an AP and the 2nd AP send to analyze, location STA communication failure.Automatically can locate STA communication failure, fast and efficiently by the application, simplify user operation.
Accompanying drawing explanation
Fig. 1 is wireless network schematic in the application;
Fig. 2 is the process chart of STA communication failure localization method in a kind of embodiment of the application;
Fig. 3 is the process chart of STA communication failure localization method in the another kind of embodiment of the application;
Fig. 4 is the underlying hardware schematic diagram of STA communication failure positioner in a kind of embodiment of the application;
Fig. 5 is the structural representation of the STA communication failure positioner in the application's embodiment;
Fig. 6 is the structural representation of the STA communication failure positioner in another embodiment of the application.
Embodiment
For making the object of the application, technical scheme and advantage clearly understand, referring to accompanying drawing, scheme described in the application is described in further detail.
Figure 1 shows that wireless network schematic.This wireless network is made up of access controller AC, access point AP1 ~ AP4 and wireless client STA.STA by a certain AP access of radio network, by AP carry out wireless and wired between frame change, then through AC and outbound communication.
At present, when there is communication failure in STA, usually user is needed to use the technological means such as special debugging acid or network packet capturing to position analysis to communication failure, require that user understands in depth the workflow of product, system and communication protocol, just can accomplish quick position on this basis, solve a problem promptly.Obviously, the requirement of this locate mode to user is too high, is not easy to the operation of user.
For the problems referred to above, the embodiment of the present application proposes a kind of STA communication failure localization method, the method carries out fault tracking by two AP that can monitor same STA sweep signal to STA, and respectively the result that fault is followed the tracks of is reported AC, by AC, two parts of fault tracking results are analyzed, thus orient STA communication failure.
See Fig. 2, be an embodiment flow chart of the application STA communication failure localization method, this embodiment is described from AC side to the processing procedure that STA communication failure is located.
Step 210, receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP described STA sweep signal being detected, wherein, described STA is associated with described AC by a described AP.
The embodiment of the present application realizes fault location by two AP (AP and the 2nd AP), wherein, one AP and the 2nd AP is selected from the AP that STA sweep signal can be detected by AC, concrete selection course is: AC opens WRRM (WLAN Radio Resource Management, RRM) function, make this AC of STA sweep signal strength reporting that AP will collect.Due in networking process in order to avoid covering blind spot, can there is signal overlap region, namely a certain STA can pass through multiple AP access network, and simultaneously also explanation has multiple AP the signal of same STA can be detected.But due to the impact of the factors such as the position relationship of each AP and STA and surrounding environment, the signal strength signal intensity of the same STA that each AP gathers is different.
AC receives the STA sweep signal intensity that each AP send, and detects that the AP of same STA sweep signal is called AP to be selected at this by all.AC sorts to all AP to be selected according to STA sweep signal intensity, selects two AP to be selected that STA sweep signal intensity is the strongest as an AP and the 2nd AP from all AP to be selected.Such as, in Fig. 1, AP1, AP2, AP3 can detect the sweep signal of STA, and by the sweep signal strength reporting of STA that detects to AC, AC according to signal strength signal intensity from strong to weak sequence, find AP1>AP2>AP3.When communication failure occurs STA, AC selects AP1 and AP2 as an AP and the 2nd AP.Due to the mobility of STA, detect that the AP of this STA sweep signal can change, the STA sweep signal intensity that AC can cycle detection AP send, upgrade AP sequence.Such as, in Fig. 1, STA moves right, at a time AP1 cannot detect the signal of this STA, AP2, AP3, AP4 detect the signal of this STA, and according to signal strength signal intensity sequence AP2>AP3>AP4, when then communication failure occurs STA, select AP2 and AP3 as an AP and the 2nd AP.
When receiving occurring after the STA of communication failure carries out the order of fault location, AC sends fault location notice to a selected AP and the 2nd AP, this fault location notice can be passed through LWAPP (Light Weight Access Point Protocol, Lightweight Access Point Protocol) message and issue.In fault location notice, carry the association status of STA and AC, according to the difference of this association status, the follow-up fault location means taked are different.AC judges the association status of STA and AC, carries out respective handling according to judged result after sending fault location notice to an AP and the 2nd AP.
When STA associates with AC, namely AC sees the presence of STA, then can determine that STA communication failure occurs in data communication phase (several stages of STA access of radio network are followed successively by signal scanning, time synchronized, WLAN certification, WLAN association, user authentication, data communication), therefore, AC stops the downlink message sending, send test data message to an AP and the 2nd AP, the flow process of data communication phase is tested.Such as, AC can follow the tracks of a default fault Qos NULL message sending 5 high priorities in duration with maximum power to an AP and the 2nd AP, and monitor Qos NULL message and whether be successfully sent to an AP and the 2nd AP, with make an AP and the 2nd AP according to the handling process of WLAN by Qos NULL message repeating to STA, test STA to the response situation of this Qos NULL message.Here it should be noted that, can improve the accuracy of follow-up location above by the mode sending multiple test data message, and Qos NULL message is a kind of wireless data message, does not carry any load in this message, message information amount is little, does not take too much Internet resources.After one AP and the 2nd AP receives test data message, determine association status be associate time to STA transmitted test data message, and the fault being recorded in this AP when the response message of the test data message that the test data message and STA that receive non-AP transmission return is followed the tracks of in report, fault is followed the tracks of report and sends to AC.
Here it should be added that, if STA associates with AC, so this STA is by an AP access.Because AP that STA selects signal the strongest usually access, therefore, as previously mentioned, according to the sequence of STA sweep signal intensity in the embodiment of the present application, select two AP that signal strength signal intensity is the strongest as an AP and the 2nd AP, directly can determine whether access AP breaks down.
When STA does not associate with AC, namely AC can't see the presence of STA, then illustrate that this STA just may make mistakes in access procedure in early stage, also do not arrive data communication phase.Now, AC is after sending fault location notice, and the fault that all messages that wait-receiving mode the one AP and the 2nd AP sends according to the STA received when determining that association status is not associated generate follows the tracks of report.
Step 220, receive the Fisrt fault that a described AP send and follow the tracks of the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of.
MAC Address and the default fault of in the fault location notice that AC sends, also carrying STA follow the tracks of duration, one AP and the 2nd AP determines the STA needing to carry out fault tracking according to the MAC Address of STA, and follows the tracks of in duration respectively to AC sending fault follow the tracks of report in fault.AC receives the Fisrt fault that an AP send and follows the tracks of report, and the second fault that the 2nd AP send follows the tracks of report, performs step 230.
Step 230, follows the tracks of report according to described Fisrt fault and described second fault follows the tracks of the communication failure that described STA is located in report.
AC follows the tracks of report from Fisrt fault the first tracking message obtaining an AP, and this first tracking message is that an AP follows the tracks of at preset failure all messages received in duration; Follow the tracks of report from the second fault the second tracking message obtaining the 2nd AP, this second tracking message is that the 2nd AP follows the tracks of at preset failure all messages received in duration.Message analysis location STA communication failure is carried out by following the tracks of message to the first tracking message and second.
See Fig. 3, be another embodiment flow chart of the application STA communication failure localization method, this embodiment is described from an AP side the processing procedure that STA communication failure is located.
Step 310, receives the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends.
Step 320, carries out fault tracking according to described fault location notice to described STA, generates fault and follow the tracks of report.
One AP, after receiving the fault location notice of AC transmission, obtains the MAC Address of the STA broken down, association status and fault and follows the tracks of duration from this fault location notice.Determine which STA to carry out fault tracking to according to the MAC Address of STA, and feed back fault tracking report when arriving fault tracking duration to AC.
One AP judges whether STA associates with AC after obtaining the association status of STA.Following two kinds of situation process are divided according to association status:
When STA associates with AC, receive the test data message that AC sends, and by test data message repeating to the STA broken down, wait for the reaction of STA.Due to the mode of two AP fault location that the application adopts, as previously mentioned, AC have selected an AP and the communication failure of the 2nd AP to STA positions, therefore, except an AP forwards the test data message that AC sends, the test data message repeating that AC also can send by the 2nd AP is to STA.One AP can monitor the 2nd AP and whether have issued test data message by eating dishes without rice or wine, if message successfully sends by the 2nd AP, then an AP can get the test data message that the 2nd AP sends to STA by eating dishes without rice or wine, and is followed the tracks of in report by this test data message accounting in fault.Meanwhile, receive the response message that STA returns, response message is also recorded in fault and follows the tracks of in report.
In like manner, the 2nd AP is identical with the processing mode of an AP, and whether monitoring the one AP has sent out test data message, and receives the response message that STA returns, and the fault being recorded in the 2nd AP is followed the tracks of in report.
When STA does not associate with AC, illustrate that STA does not also carry out data communication with AC, fault is sent in access phase in early stage, then an AP receives all messages that STA sends, and is recorded in fault and follows the tracks of in report.
Step 330, sends described fault to described AC and follows the tracks of report, follows the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
As previously mentioned, when arriving fault and following the tracks of duration, the fault of record is followed the tracks of report and is sent this AC by an AP, and in like manner, fault is followed the tracks of report and sent to AC by the 2nd AP.AC carries out accident analysis according to receiving two parts of faults tracking reports, thus the communication failure of location STA.Suppose, STA is by an AP access network, and AC receives the fault that an AP send and follows the tracks of message, the message followed the tracks of in report is analyzed, find that test data message sends by an AP and give STA, meanwhile, an AP monitors the 2nd AP and gives STA by the transmission of test data message; AC follows the tracks of report to the fault of the 2nd AP and analyzes, and sends the 2nd AP and gives STA by the transmission of test data message, but, do not receive the test data message that an AP sends to STA, then illustrate that fault occurs on an AP.Visible, can the position of general positioning and communicating fault generation by carrying out the fault message content followed the tracks of in report analyzing, such as, uplink message or downlink message goes wrong, in AC, AP and STA, which equipment goes wrong.
Now still for Fig. 1, introduce the processing procedure of STA communication failure location in detail.
When supposing in this specific embodiment that communication failure occurs STA, STA is associated by AP1 and AC.The STA sweep signal intensity that AC detects according to AP sorts to AP, suppose that AP1, AP2, AP3 detect the signal of STA, and reporting STA sweep signal intensity, AC is AP1>AP2>AP3 according to STA sweep signal intensity ranking results.
AC issues to AP1 and AP2 and notifies the fault location of STA.Because STA associates with AC, therefore, AC issues Qos NULL data message to AP1 and AP2 after issuing fault location notice by LWAPP message.
First AP1 receives fault location notice, gets the MAC Address of STA, the association status of STA and this time fault tracking duration from fault location notice.AP1, according to the MAC Address of STA, knows and which STA to carry out fault tracking to; Whether know whether STA associates with AC according to the association status of STA, namely communicated with the external world by AC, in the embodiment of the present application, STA associates with AC, and therefore, AP1 receives the Qos NULL data message that AC sends after receiving fault location notice.AP1 forwards Qos NULL data message to STA, monitors AP2 simultaneously and whether Qos NULL data message is sent to STA, when AP1 receives the Qos NULL data message that AP2 sends, is recorded in fault and follows the tracks of in report.When receiving the response message of the Qos NULL data message that STA sends to AP 1, response message being recorded in fault and following the tracks of in report.
In like manner, AP2, with the processing mode of AP1, generates fault and follows the tracks of report.
When AP1 and AP2 reaches fault tracking duration, fault is followed the tracks of in report send AC process respectively.Suppose, after AC receives the fault tracking report of AP1, message fault being followed the tracks of to record in report is analyzed, and knows that AP1 forwarded Qos NULL data message to STA, meanwhile, has monitored the Qos NULL data message of AP2 forwarding; The fault that AC receives AP2 follows the tracks of report, the message fault of AP2 being followed the tracks of to record in report is analyzed, know that AP2 forwarded Qos NULL data message to STA, but do not monitor the Qos NULL data message of AP1 forwarding, then AC thinks that the communication failure of this STA occurs in AP1 place.After supposing that AC analyzes the fault tracking report that AP1 and AP2 send, all point out two AP to forward Qos NULL data message, but all do not receive the response message of STA, then AC thinks that fault occurs in STA place.
Corresponding with the embodiment of aforementioned STA communication failure localization method, the application also provides the embodiment of STA communication failure positioner.
The embodiment of the application STA communication failure positioner can be applied on an AC or AP.Device embodiment can pass through software simulating, also can be realized by the mode of hardware or software and hardware combining.For software simulating, as the device on a logical meaning, be that computer program instructions corresponding in the CPU run memory by its place module is formed.Say from hardware view, as shown in Figure 4, be a kind of hardware structure diagram of the application STA communication failure positioner place equipment, except the CPU shown in Fig. 4, memory, in embodiment, the equipment at device place can also comprise other hardware usually.
Please refer to Fig. 5, is the structural representation of the STA communication failure positioner in the application's embodiment.This STA communication failure positioner comprises transmitting element 501, receiving element 502 and positioning unit 503, wherein:
Transmitting element 501, for receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP that described STA sweep signal detected, wherein, described STA is associated with described AC by a described AP;
Receiving element 502, follow the tracks of for receiving the Fisrt fault that a described AP send the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of;
Positioning unit 503, for following the tracks of the communication failure of report and the described second fault tracking report described STA in location according to described Fisrt fault.
Further, described STA communication failure positioner, also comprises:
Selected cell, before sending fault location notice at described transmitting element 501 to the first access point AP and the 2nd AP that described STA sweep signal detected, receives each and the STA sweep signal intensity that the AP to be selected of described STA sweep signal reports detected; According to described STA sweep signal intensity, described AP to be selected is sorted; Select two AP to be selected that STA sweep signal intensity is the strongest as an AP and the 2nd AP successively according to ranking results.
Further, described STA communication failure positioner, also comprises:
Associative cell, at described transmitting element 501 to after detecting that the first access point AP of described STA sweep signal and the 2nd AP sends fault location notice, the association status of described STA and described AC is carried at during described fault location notifies; Judge described association status; When described association status be described STA associate with described AC time, test data message is sent to a described AP and described 2nd AP, described test data message is forwarded when determining that described association status is and associates to described STA with described 2nd AP to make a described AP, and the fault being recorded in this AP when the response message of the described test data message that the described test data message and described STA that receive non-AP transmission return is followed the tracks of in report, described fault is followed the tracks of report and sends to described AC; When described association status be described STA do not associate with described AC time, the fault that all messages that an AP described in wait-receiving mode and described 2nd AP sends according to the described STA received when determining that described association status is not associated generate follows the tracks of report.
Further,
Described positioning unit 503 obtains the first tracking message of a described AP specifically for following the tracks of in report from described Fisrt fault, described first tracking message is that a described AP follows the tracks of at preset failure all messages received in duration; Follow the tracks of report from described second fault the second tracking message obtaining described 2nd AP, described second tracking message is that described 2nd AP follows the tracks of at preset failure all messages received in duration; Message analysis location STA communication failure is carried out by following the tracks of message to described first tracking message and described second.
The embodiment of the STA communication failure positioner shown in above-mentioned Fig. 5, this STA communication failure positioner is applied on AC, and its specific implementation process see the explanation of the embodiment of the method for aforementioned AC side, can not repeat them here.
Please refer to Fig. 6, is the structural representation of the STA communication failure positioner in another embodiment of the application.This STA communication failure positioner comprises receiving element 601, generation unit 602 and transmitting element 603, wherein:
Receiving element 601, for receiving the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends;
Generation unit 602, for carrying out fault tracking according to described fault location notice to described STA, generating fault and following the tracks of report;
Transmitting element 603, follows the tracks of report for sending described fault to described AC, follows the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
Further,
Described generation unit 602 specifically for obtaining the association status of described STA from described fault location notice; Judge whether described STA associates with described AC according to described association status; When described STA associates with described AC, receive the test data message that described AC sends; Described test data message is forwarded to described STA; Receive the test data message that the 2nd AP sends to described STA, and receive the response message of the described test data message that described STA returns; The test data message received and response message being recorded in described fault follows the tracks of in report, and wherein, described 2nd AP is another AP described STA sweep signal being detected that described AC selects; When described STA does not associate with described AC, receive all messages of described STA transmission and be recorded in described fault tracking report.
The embodiment of the STA communication failure positioner shown in above-mentioned Fig. 6, this STA communication failure positioner is applied on an AP, and its specific implementation process see the explanation of the embodiment of the method for an aforementioned AP side, can not repeat them here.
As can be seen from the embodiment of above method and apparatus, when there is STA communication failure in the application, send fault location by AC to an AP and the 2nd AP to notify, one AP and the 2nd AP carries out fault tracking according to fault location notice to STA respectively, and generate corresponding fault tracking report, fault is followed the tracks of in report and is given AC by the one AP and the 2nd AP respectively, follows the tracks of report and analyzes, location STA communication failure by AC to the fault that an AP and the 2nd AP send.Automatically can locate STA communication failure, fast and efficiently by the application, simplify user operation.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, within all spirit in the application and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the application protects.
Claims (12)
1. a wireless client STA communication failure localization method, be applied to access controller AC, it is characterized in that, the method comprises:
Receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP described STA sweep signal being detected, wherein, described STA is associated with described AC by a described AP;
Receive the Fisrt fault that a described AP send and follow the tracks of the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of;
The communication failure of report and the described second fault tracking report described STA in location is followed the tracks of according to described Fisrt fault.
2. the method for claim 1, is characterized in that, described the first access point AP and the 2nd AP to described STA sweep signal being detected comprises before sending fault location notice:
Receive each and the STA sweep signal intensity that the AP to be selected of described STA sweep signal reports detected;
According to described STA sweep signal intensity, described AP to be selected is sorted;
Select two AP to be selected that STA sweep signal intensity is the strongest as an AP and the 2nd AP successively according to ranking results.
3. the method for claim 1, is characterized in that, described the first access point AP and the 2nd AP to described STA sweep signal being detected also comprises after sending fault location notice:
The association status of described STA and described AC is carried at during described fault location notifies;
Judge described association status;
When described association status be described STA associate with described AC time, test data message is sent to a described AP and described 2nd AP, described test data message is forwarded when determining that described association status is and associates to described STA with described 2nd AP to make a described AP, and the fault being recorded in this AP when the response message of the described test data message that the described test data message and described STA that receive non-AP transmission return is followed the tracks of in report, described fault is followed the tracks of report and sends to described AC;
When described association status be described STA do not associate with described AC time, the fault that all messages that an AP described in wait-receiving mode and described 2nd AP sends according to the described STA received when determining that described association status is not associated generate follows the tracks of report.
4. the method for claim 1, is characterized in that, the described communication failure following the tracks of report and the described second fault tracking report described STA in location according to described Fisrt fault, comprising:
Follow the tracks of report from described Fisrt fault the first tracking message obtaining a described AP, described first tracking message is that a described AP follows the tracks of at preset failure all messages received in duration;
Follow the tracks of report from described second fault the second tracking message obtaining described 2nd AP, described second tracking message is that described 2nd AP follows the tracks of at preset failure all messages received in duration;
Message analysis location STA communication failure is carried out by following the tracks of message to described first tracking message and described second.
5. a wireless client STA communication failure localization method, be applied to the first access point AP, it is characterized in that, the method comprises:
Receive the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends;
According to described fault location notice, fault tracking is carried out to described STA, generate fault and follow the tracks of report;
Send described fault to described AC and follow the tracks of report, follow the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
6. method as claimed in claim 5, is characterized in that, describedly carries out fault tracking according to described fault location notice to described STA, generates fault and follows the tracks of report, comprising:
The association status of described STA is obtained from described fault location notice;
Judge whether described STA associates with described AC according to described association status;
When described STA associates with described AC, receive the test data message that described AC sends; Described test data message is forwarded to described STA; Receive the test data message that the 2nd AP sends to described STA, and receive the response message of the described test data message that described STA returns; The test data message received and response message being recorded in described fault follows the tracks of in report, and wherein, described 2nd AP is another AP described STA sweep signal being detected that described AC selects;
When described STA does not associate with described AC, receive all messages of described STA transmission and be recorded in described fault tracking report.
7. a wireless client STA communication failure positioner, is applied to access controller AC, it is characterized in that, this device comprises:
Transmitting element, for receiving occurring after the STA of communication failure carries out the order of fault location, send fault location notice to the first access point AP and the 2nd AP that described STA sweep signal detected, wherein, described STA is associated with described AC by a described AP;
Receiving element, follow the tracks of for receiving the Fisrt fault that a described AP send the second fault tracking report that report and described 2nd AP send, described Fisrt fault follows the tracks of report and described second fault follows the tracks of the fault tracking report reported and be respectively a described AP and described 2nd AP and carry out described STA according to described fault location notice generating after fault is followed the tracks of;
Positioning unit, for following the tracks of the communication failure of report and the described second fault tracking report described STA in location according to described Fisrt fault.
8. device as claimed in claim 7, it is characterized in that, described device also comprises:
Selected cell, before sending fault location notice at described transmitting element to the first access point AP and the 2nd AP that described STA sweep signal detected, receives each and the STA sweep signal intensity that the AP to be selected of described STA sweep signal reports detected; According to described STA sweep signal intensity, described AP to be selected is sorted; Select two AP to be selected that STA sweep signal intensity is the strongest as an AP and the 2nd AP successively according to ranking results.
9. device as claimed in claim 7, it is characterized in that, described device also comprises:
Associative cell, at described transmitting element to after detecting that the first access point AP of described STA sweep signal and the 2nd AP sends fault location notice, the association status of described STA and described AC is carried at during described fault location notifies; Judge described association status; When described association status be described STA associate with described AC time, test data message is sent to a described AP and described 2nd AP, described test data message is forwarded when determining that described association status is and associates to described STA with described 2nd AP to make a described AP, and the fault being recorded in this AP when the response message of the described test data message that the described test data message and described STA that receive non-AP transmission return is followed the tracks of in report, described fault is followed the tracks of report and sends to described AC; When described association status be described STA do not associate with described AC time, the fault that all messages that an AP described in wait-receiving mode and described 2nd AP sends according to the described STA received when determining that described association status is not associated generate follows the tracks of report.
10. device as claimed in claim 7, is characterized in that:
Described positioning unit obtains the first tracking message of a described AP specifically for following the tracks of in report from described Fisrt fault, described first tracking message is that a described AP follows the tracks of at preset failure all messages received in duration; Follow the tracks of report from described second fault the second tracking message obtaining described 2nd AP, described second tracking message is that described 2nd AP follows the tracks of at preset failure all messages received in duration; Message analysis location STA communication failure is carried out by following the tracks of message to described first tracking message and described second.
11. 1 kinds of wireless client STA communication failure positioners, be applied to the first access point AP, it is characterized in that, this device comprises:
Receiving element, for receiving the fault location notice of the STA that communication failure occurs being carried out to fault location that access controller AC sends;
Generation unit, for carrying out fault tracking according to described fault location notice to described STA, generating fault and following the tracks of report;
Transmitting element, follows the tracks of report for sending described fault to described AC, follows the tracks of the communication failure of the described STA in report location to make described AC according to described fault.
12. devices as claimed in claim 11, is characterized in that:
Described generation unit specifically for obtaining the association status of described STA from described fault location notice; Judge whether described STA associates with described AC according to described association status; When described STA associates with described AC, receive the test data message that described AC sends; Described test data message is forwarded to described STA; Receive the test data message that the 2nd AP sends to described STA, and receive the response message of the described test data message that described STA returns; The test data message received and response message being recorded in described fault follows the tracks of in report, and wherein, described 2nd AP is another AP described STA sweep signal being detected that described AC selects; When described STA does not associate with described AC, receive all messages of described STA transmission and be recorded in described fault tracking report.
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