WO2019184965A1 - 网络诊断 - Google Patents
网络诊断 Download PDFInfo
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- WO2019184965A1 WO2019184965A1 PCT/CN2019/080009 CN2019080009W WO2019184965A1 WO 2019184965 A1 WO2019184965 A1 WO 2019184965A1 CN 2019080009 W CN2019080009 W CN 2019080009W WO 2019184965 A1 WO2019184965 A1 WO 2019184965A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
- H04L43/55—Testing of service level quality, e.g. simulating service usage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present application relates to network communication technologies, and in particular, to a network diagnostic method, apparatus, and machine readable storage medium.
- Wireless Local Area Network is a network established in a certain area by using wireless communication technology.
- the wireless channel is used as a transmission medium to provide a local area network (Local Area Netwrok, LAN) function.
- Local Area Netwrok Local Area Netwrok
- the WLAN is characterized by a particularly large environmental impact and is a dynamic, real-time network. Therefore, in order to maintain a high quality WLAN, network administrators are often required to continuously diagnose the WLAN.
- FIG. 2 is a schematic diagram of an application networking provided by the present application.
- FIG. 3 is a flowchart of an implementation of an exemplary embodiment of step 102 provided by the present application.
- step 303 is a flow chart of an exemplary embodiment of step 303 provided by the present application.
- FIG. 5 is a networking diagram of an exemplary embodiment provided by the present application.
- FIG. 6 is a structural diagram of an exemplary embodiment of a network diagnostic apparatus provided by the present application.
- FIG. 7 is a schematic structural diagram of hardware of the apparatus shown in FIG. 6 provided by the present application.
- FIG. 1 is a flow chart of an exemplary embodiment provided by the present application. The method is applied to a first access point (AP) operating in a WLAN diagnostic mode.
- AP first access point
- the first AP is only a name for facilitating the distinction between APs and the following, and is not used to define an AP.
- the process may include the following steps.
- Step 101 The first AP running in the WLAN Doctor mode acquires the working channel information of the second AP in the first AP diagnostic area, and the WLAN service mode of the second AP running is different from the WLAN Doctor mode.
- the second AP is just a name for convenience of description, and is not intended to define an AP.
- the first AP diagnostic area is an area that the first AP can monitor.
- the area that can be monitored by the AP 200 located in the corridor is the area of the guest room 21 to the guest room 24, and the first AP diagnostic area is Rooms 21 to the area of the room 24.
- the first AP may obtain the working channel information of the second AP in the first AP diagnostic area according to the local configuration.
- the first AP may obtain the working channel information of the second AP in the first AP diagnostic area according to the network diagnostic command from the network management device, and may specifically include: receiving a network diagnostic command,
- the network diagnostic command obtains the working channel information of the second AP in the diagnostic area of the AP.
- the network management device here may be a cloud management platform or a local network device such as a server or the like.
- the network diagnosis command is sent by the network management device when the WLAN service provided by the second AP is abnormal, and is dedicated to diagnosing the WLAN service provided by the second AP.
- the WLAN in the guest room 21 is abnormal, and the hotel network administrator receives the external complaint from the mobile terminal to notify the abnormality of the WLAN service in the guest room 21 to the network management device through the mobile terminal, so that the network management device
- the AP200 located in the corridor, equivalent to the first AP
- the AP200 can be sent to the AP200 (which is located in the corridor, which is equivalent to the first AP) that can be monitored to the guest room 21, so as to touch the AP200 (equivalent to the first AP).
- the WLAN service provided by the AP 201 (equivalent to the second AP) in the guest room 21 is diagnosed.
- Step 102 The first AP tests the quality of the WLAN service provided by the second AP according to the working channel information of the second AP and through a simulated client.
- the first AP tests the quality of the WLAN service provided by the second AP in the first AP diagnosis area by using the simulated client, and can diagnose the WLAN in real time without network administrator participation, which can reduce Labor costs, and can also speed up the processing speed of network anomalies, improve the recovery efficiency of network access.
- the first AP may be at least one AP for performing WLAN Doctor deployed at a specified location according to actual needs.
- the first AP for performing the WLAN Doctor which is deployed according to actual needs, operates in the WLAN Doctor mode after being powered on.
- the first AP may be at least one AP running a WLAN service mode. Under this premise, before performing the above process shown in FIG. 1, the first AP performs mode switching first, and switches from the running WLAN service mode to the WLAN Doctor mode.
- switching the first AP from the running WLAN service mode to the WLAN Doctor mode is performed in accordance with the received mode switching instruction.
- the mode switching instruction here can come from a network management device.
- step 102 there are many implementations of step 102.
- FIG. 3 shows an implementation.
- FIG. 3 is a flow chart of an exemplary embodiment of the implementation of step 102 provided by the present application. As shown in FIG. 3, the process may include the following steps.
- Step 301 The first AP simulates the client and associates with the second AP according to the working channel information of the second AP. After the second AP is successfully associated, step 302 is performed.
- the first AP simulates a client to switch to the working channel of the second AP to associate with the second AP.
- the specific association mode is similar to the manner in which the existing client is associated with the AP, and details are not described herein.
- the first AP in order to ensure that the network management device is fully aware of the entire process of the first AP emulation client attempting to associate with the second AP, in one example, the first AP further needs to simulate the first AP with the client. The associated process information associated with the second AP and the associated result are reported to the network management device.
- the association process information refers to the process information that the first AP simulates the client and the second AP. For example, if the first AP simulates the client and the second AP, the first AP simulates the client to the second AP.
- the association process information includes information about whether the association probe request is successfully sent, and whether the association probe response is successfully received.
- the association result includes information about whether the association is successful. If the first AP simulates that the client is successfully associated with the second AP, the association result includes the association success information, and the association result includes the association failure information.
- association process information associated with the first AP emulation client and the second AP and the association result are reported to the network management device, so that the network management device can comprehensively monitor the entire process of the association between the first AP emulation client and the second AP. It is also possible to diagnose the cause of the abnormality in time when an abnormality occurs.
- the following example describes the timely diagnosis of an abnormality in the case of an abnormality.
- the network management device when the network management device receives the information that the association detection request of the first AP fails to be sent, the network management device detects the uplink egress traffic bandwidth of the second AP, and if the detected uplink egress traffic is found, If the bandwidth is much lower than the required bandwidth threshold, the reason why the analysis of the associated probe request fails is that the network bandwidth is insufficient.
- Step 302 The first AP simulates the client requesting an IP (Internet Protocol) address and requesting the authentication. After obtaining the IP address and the authentication succeeds, step 303 is performed.
- IP Internet Protocol
- the first AP simulates the client requesting the IP address and requesting the authentication, and there is no fixed chronological order.
- the first AP emulates the client, and may request the IP address to request the authentication, or may request the IP address after the authentication. It is not specifically limited.
- the manner in which the first AP simulates the client requesting the IP address is similar to the manner in which the existing client requests the IP address, and details are not described herein again.
- the first AP in order to ensure that the network management device fully learns the entire process of the first AP simulating the client requesting the IP address, in one example, the first AP needs to further simulate the IP address request process of the client requesting the IP address. The information and the IP address request result are reported to the network management device.
- the IP address request procedure information refers to process information of the first AP requesting an IP address.
- the process of the first AP simulating the client requesting the IP address mainly includes: the first AP simulating the client sends a DHCP discovery (Discover) packet to the dynamic host configuration protocol (DHCP) server, and receives the DHCP provided by the DHCP server. (Offer) packet, sending a DHCP request (Request) message to the DHCP server, and receiving a DHCP acknowledgement (ACK) message returned by the DHCP server; the IP address request process information includes: whether the DHCP Discover message is successfully sent, whether the packet is successfully received. DHCP Request message returned by the DHCP server, whether the DHCP Request message was successfully sent, and whether the DHCP ACK message returned by the DHCP server was successfully received.
- DHCP discovery Discover
- DHCP dynamic host configuration protocol
- ACK DHCP acknowledgement
- the IP address request result includes the information of whether the IP address is successfully obtained. If the first AP simulates the client successfully obtaining the IP address, the IP address request result includes obtaining the IP address success information, and vice versa, the IP address request result includes obtaining the IP address. Address failure message. In an example, when the IP address request result includes the IP address failure information, if the first AP learns the reason for the failure, the IP address acquisition result may further include a failure reason.
- the IP address request process information and the IP address request result in the process of requesting the IP address of the first AP to simulate the client are reported to the network management device, so that the network management device can comprehensively monitor the entire IP address of the first AP emulation client requesting IP address.
- the process can also diagnose the cause of the abnormality in time.
- the following example describes the timely diagnosis of an abnormality in the case of an abnormality. For example, when the abnormality of the DHCP Request message is sent, the network management device detects the failure of the DHCP Request message sent by the first AP, and detects the egress traffic bandwidth between the first AP and the DHCP server.
- the reason why the DHCP Request message fails to be sent is because the network bandwidth is insufficient.
- the exception is that the DHCP ACK message returned by the DHCP server is abnormally received.
- the network management device detects the DHCP server processing the message. The situation is to determine the load of the DHCP server. If the number of DHCP Request messages processed by the DHCP server is found to be much higher than the set number of concurrent requests, the reason for the failure to receive the DHCP ACK message returned by the DHCP server is the DHCP server load pressure. Big.
- the first AP simulates the client requesting the authentication, and the first AP simulates the client requesting the authentication server to authenticate the client simulated by the local AP.
- the authentication here may be a common authentication such as MAC authentication, Portal authentication, or 802.1x authentication, and the present application is not specifically limited.
- the first AP in order to ensure that the network management device is fully aware of the entire process of authenticating the client simulated by the first AP, in one example, the first AP needs to further authenticate the client simulated by the first AP.
- the authentication process information and the authentication result are reported to the network management device.
- the authentication process information refers to the process information that the authentication server authenticates the client simulated by the first AP, and is similar to the foregoing process information and IP address acquisition process information, and details are not described herein again.
- the authentication result includes information as to whether the authentication was successful.
- the authentication process information and the authentication result of the authentication of the client simulated by the first AP are reported to the network management device, so that the network management device can comprehensively monitor the entire process of authenticating the client simulated by the first AP. It is also possible to diagnose the cause of the abnormality in time when an abnormality occurs.
- Step 303 The first AP simulates the Client connection network to test the quality of the WLAN service provided by the second AP.
- the process shown in FIG. 4 below describes how the first AP simulates the Client connection network to test the quality of the WLAN service provided by the second AP in this step 303. I won't go into details here.
- the first AP needs to further report the test result of the WLAN service quality provided by the first AP simulation client test to the network management device.
- the network management device analyzes the quality of the WLAN service provided by the second AP according to the test result, and if the WLAN service provided by the second AP is abnormal, the network management device sends an alarm or an abnormality in time.
- the reason is feedback to the staff to enable the staff to solve the abnormality according to the abnormal reason and to track the network in real time.
- the first AP truly simulates the WLAN service quality provided by the UE to test the second AP.
- FIG. 4 is a flow chart of an exemplary embodiment of step 303 provided by the present application. As shown in FIG. 4, the flow may include the following steps.
- Step 401 The first AP simulates that the client sends a DNS request to the domain name system (DNS) server to request the DNS server to perform domain name resolution on the domain name of the network to be accessed.
- DNS domain name system
- Step 401 is performed when the client simulated by the first AP is successfully authenticated.
- the client authentication of the first AP is successful, it means that the first AP simulates that the client can start normal online behavior.
- Step 401 is a process of requesting domain name resolution. After the DNS server receives the DNS request, how to perform domain name resolution, the implementation process is similar to the existing domain name resolution process, and will not be described again.
- the network to be accessed here may be a pre-designated network for network testing.
- the network to be accessed here is a network that is randomly accessed according to requirements, and the application is not specifically limited.
- Step 402 The first AP emulation client receives the DNS response returned by the DNS server, and parses the network IP address of the to-be-accessed network from the DNS response.
- the network IP address carried by the DNS response is usually the IP address of the network to be accessed that is resolved based on the DNS request. This means that the domain name resolution is successful, and vice versa means the domain name. The parsing failed.
- Step 403 The first AP emulates the client to access the to-be-accessed network according to the network IP address, to test the quality of the WLAN service provided by the second AP.
- the quality of the WLAN service provided by the second AP is characterized by the speed of the network.
- the network speed of the WLAN provided by the second AP is higher than or equal to the set network speed, it indicates that the WLAN service quality provided by the second AP is good, and vice versa, indicating that the WLAN service quality provided by the second AP is poor, and finally realized. Testing of WLAN quality of service provided by the second AP.
- the first AP in order to ensure that the network management device is fully aware of the entire process of requesting domain name resolution by the first AP, the first AP needs to further simulate the domain name received by the first AP.
- the analysis result is reported to the network management device.
- the result of the domain name resolution is the result of domain name resolution performed by the first AP according to the DNS response to the domain name of the DNS server to access the network.
- the DNS resolution is successful.
- the domain name resolution result indicates that the domain name resolution is successful.
- the domain name resolution result refers to domain name resolution failure.
- the first AP also needs to detect the channel quality of the working channel of the second AP according to the obtained working channel information of the second AP, and report the channel quality detection result to the network management device.
- the channel quality detection results herein include, but are not limited to, network signal strength, channel utilization, signal interference, and the like.
- the network management device determines whether the WLAN service provided by the second AP is normal according to the channel quality detection result reported by the first AP. Specifically, the network management device determines, according to the channel quality detection result reported by the first AP, whether the WLAN service provided by the second AP is normal.
- the network management device determines whether the WLAN service provided by the second AP is normal according to the channel quality detection result reported by the first AP by using a machine learning algorithm. As shown in FIG. 2, if the working channel of the second AP is channel 1, the network management device receives the channel quality detection result of channel 1 reported by the first AP (taking the current signal strength as an example) as a21, and the network management device receives the channel according to The current signal strength of channel 1 determines whether the signal strength of channel 1 fluctuates. If yes, it determines that the WLAN service provided by the second AP is abnormal. If not, it determines that the WLAN service provided by the second AP is normal.
- the network management device determines whether the signal strength of the channel 1 fluctuates according to the received current signal strength of the channel 1. For example, it is as follows: check whether the current signal strength of the received channel 1 exceeds the channel strength interval range existing in the channel 1. If yes, it is determined that the signal strength of channel 1 fluctuates, and if not, it is determined that the signal strength of channel 1 does not fluctuate. For example, the current signal strength of channel 1 is -70, and beyond the existing channel strength interval range of channel 1 (obtained by accumulating the signal strength of channel 1 for a period of time), it is determined that the signal strength of channel 1 fluctuates.
- an alert may be issued or fed back to a designated target such as a staff member at a fixed place (eg, a hotel) to resume the network as soon as possible.
- the process information and results (collectively referred to as network information) of the operations performed by the first AP emulation client are reported to the network management device.
- the network information of the first AP emulation client is as follows: the first AP emulates the association process information associated with the second AP and the association result, and the first AP simulates the IP address request process when the client requests the IP address.
- the network management device After receiving the network information reported by the first AP, the network management device diagnoses the network abnormality according to the network information, and sends an alarm or feedback to a designated target such as a fixed place (for example, a hotel) when the network is abnormal. . It should be noted that, in the present application, even if the network management device diagnoses the network abnormality, because the network abnormality is determined based on the process information and the result (collectively referred to as network information) of each operation performed by the first AP simulation client, it is easy to Explain the cause of the abnormality.
- the designated target such as a fixed place (for example, a hotel)
- the cause of the abnormality can be explained, so that the designated target, such as a fixed place (in the case of a hotel), is timely.
- Replace the device to restore network access you can replace the device in real time, so that staff without any network experience can solve the abnormality.
- the first AP also reports the test result of the quality of the WLAN service provided by the client to test the second AP to the network management device.
- the network management device receives the test result of the quality of the WLAN service provided by the first AP, and the second AP is diagnosed by the second AP.
- the WLAN service provided by the second AP may be diagnosed according to the received test result.
- the network management device receives multiple WLAN Doctor modes as the first AP.
- the test result reported by the AP so that the network management device can optimize the WLAN according to the received test result.
- the network management device can analyze the test result reported by each AP through big data to analyze the network experience of the entire WLAN, and optimize the entire WLAN according to the analysis result.
- FIG. 5 is a networking diagram of an exemplary embodiment provided by the present application.
- the network management device is exemplified by a cloud management platform.
- FIG. 5 is taken as an example for application to a hotel. As shown in FIG. 5, the WLAN Doctor is required to perform the AP500 in the corridor in the hotel and currently running the WLAN service mode as needed.
- the cloud management platform sends a mode switching instruction to the AP 500, where the mode switching instruction is used to instruct the AP 500 to switch from the running WLAN service mode to the WLAN Doctor mode.
- the AC between the cloud management platform and the AP 500 receives the mode switching instruction from the cloud management platform before the AP 500, and forwards the received mode switching instruction to the AP 500.
- the AP500 After receiving the mode switching command, the AP500 switches from the running WLAN service mode to the WLAN Doctor mode. At this point, the AP500 runs in WLAN Doctor mode. It should be noted that, in another example, an AP dedicated to the WLAN Doctor may also be deployed separately. Once the AP dedicated to the WLAN Doctor is deployed, the AP runs the WLAN Doctor mode. This embodiment is described by taking the AP500 as an example.
- the AP 500 After switching from the running WLAN service mode to the WLAN Doctor mode, the AP 500 returns a message indicating that the mode is successfully switched to the cloud management platform.
- the AC between the cloud management platform and the AP 500 receives the message of successful mode switching from the AP 500 before the cloud management platform, and forwards the message of the successfully switched mode to the cloud management platform.
- the cloud management platform After receiving the message that the mode is successfully switched from the AP 500, the cloud management platform sends a network diagnosis command to the AP 500.
- the network diagnostic command carries the working channel information of at least one AP in the diagnostic area of the AP 500.
- the mode switching instruction carries the working channel information of the AP 501 to the AP 504 as an example.
- the AC between the cloud management platform and the AP 500 forwards the network diagnostic command to the AP 500 before receiving the network diagnostic command from the cloud management platform.
- the AP 500 receives the network diagnostic command from the cloud management platform, and obtains the working channel information of the AP 501 to the AP 504 in the diagnostic area of the AP from the received network diagnostic command.
- the AP500 Based on the working channel information of the AP 501, the AP500 detects the channel quality (such as the signal strength, channel utilization, signal interference, etc.) of the working channel of the AP 501 (such as the channel 1), and reports the channel quality detection result to the cloud management platform.
- the cloud management platform receives the channel quality detection result of the channel 1, and determines whether the WLAN service provided by the AP 501 is normal according to the channel quality detection result and the machine learning algorithm (the determination manner is as described above). In an example, when the cloud management platform determines that the WLAN service provided by the AP 501 is abnormal, an alarm may be issued.
- the AP500 simulates the behavior of the client, and associates the AP501 with the working channel information of the AP501, and reports the associated process information and association result to the cloud management platform.
- the AP500 After successfully connecting to AP501, the AP500 simulates the behavior of the client requesting an IP address and requesting authentication.
- the AP500 reports the IP address request process information and the IP address request result of the client requesting the IP address to the cloud management platform.
- the AP500 reports the authentication process information and the authentication result of the client simulated by the AP500 to the cloud management platform.
- the AP500 can start normal Internet access.
- a DNS request is sent to the DNS server to request the DNS server to perform domain name resolution on the domain name to be accessed by the network.
- the AP500 simulates the client receiving the DNS response returned by the DNS server, and parses the network IP address of the network to be accessed from the DNS response. As an embodiment, the AP500 needs to further report the domain name resolution result of the simulated client to the cloud management platform.
- the domain name resolution result here means that the AP500 determines the domain name resolution of the domain name of the DNS server to access the network according to the DNS response from the DNS server.
- the AP500 sends a DNS request to the DNS server, if the received DNS response carries the network IP address, the DNS resolution is successful. In this case, the domain name resolution result is successful.
- the domain name resolution result indicates that the domain name resolution failed.
- the AP 500 accesses the to-be-accessed network according to the network IP address carried by the DNS response to test the quality of the WLAN service provided by the AP 501.
- the AP500 reports the test result to the cloud management platform.
- the cloud management platform diagnoses the real network status of the AP501 based on the measurement result. When the network is abnormal, it sends an alarm or feeds the abnormal cause to the staff, and causes the staff to follow the abnormality. Reasons to replace the device and quickly resolve the abnormality, you can track the network in real time for 24 hours.
- the AP501 is used as an example to describe how the AP500 tests the quality of the WLAN service provided by the AP501. Similarly, the AP500 will test the quality of the WLAN service provided by the AP502 to the AP504 according to the above principles.
- the cloud management platform After the AP500 reports the test results of the WLAN service quality provided by the AP501 to the AP504 to the cloud management platform, the cloud management platform performs big data analysis based on the reported test results, analyzes the network experience of the entire WLAN, and optimizes the entire analysis based on the analysis result. WLAN.
- FIG. 6 is a structural diagram of an exemplary embodiment of a network diagnostic apparatus provided by the present application.
- the device 60 is applied to a first AP operating in a WLAN Doctor mode, and the device 60 includes an acquisition unit 601 and a diagnosis unit 602.
- the obtaining unit 601 is configured to obtain working channel information of the second AP in the first AP diagnostic area, where the WLAN service mode of the second AP is different from the WLAN Doctor mode.
- the diagnosis unit 602 is configured to test the quality of the WLAN service provided by the second AP by using the simulated client client according to the working channel information of the second AP acquired by the acquiring unit.
- device 60 further includes an operational mode unit 603 and a detection unit 604.
- the working mode unit 603 is configured to receive a mode switching instruction, and control the first AP to switch from the running WLAN service mode to the WLAN Doctor mode according to the mode switching instruction.
- the detecting unit 604 is configured to detect the channel quality of the working channel of the second AP according to the working channel information of the second AP acquired by the acquiring unit 601, and report the channel quality detection result to the network management device.
- the obtaining unit 601 is specifically configured to: receive a network diagnostic instruction; and obtain working channel information of the second AP from the network diagnostic instruction.
- the diagnosis unit 602 is specifically configured to: control the first AP to simulate a client, and associate with the second AP according to the working channel information of the second AP, and successfully associate the first AP with the first AP.
- the first AP is configured to simulate the client requesting the IP address and requesting the authentication.
- the first AP is simulated to connect to the client to test the quality of the WLAN service provided by the second AP. .
- the detecting unit 602 controls the first AP to simulate the client connection network to test the quality of the WLAN service provided by the second AP, specifically: controlling the first AP to simulate sending a DNS to the domain name system DNS server. Requesting, by requesting the DNS server to perform domain name resolution on the domain name of the network to be accessed; controlling the first AP emulation client to receive the DNS response returned by the DNS server, and parsing the network of the to-be-accessed network from the DNS response And controlling the first AP emulation client to access the to-be-accessed network according to the network IP address to test the quality of the WLAN service provided by the second AP.
- the diagnosing unit 602 is further configured to: report the association process information and the association result of the first AP and the second AP to the network management device; and/or, the first AP
- the IP address request process information and the IP address request result of the IP address are reported to the network management device; and/or the authentication process information and the authentication result of the first AP authentication are reported to the network management device; and/or the domain name is resolved.
- the result is reported to the network management device, and the domain name resolution result is a result that the first AP performs domain name resolution on the domain name of the DNS server to access the network according to the DNS response from the DNS server; and/or, the test is performed.
- the test result of the quality of the WLAN service provided by the second AP is reported to the network management device.
- FIG. 7 is a hardware structural diagram of the apparatus shown in FIG. 6 provided by the present application. As shown in FIG. 7, the hardware structure includes a processor 701, and a machine readable storage medium 702 storing machine executable instructions.
- Processor 701 and machine readable storage medium 702 can communicate via a system bus. And, by reading and executing machine executable instructions in the machine readable storage medium 702 corresponding to the network diagnostic logic, the processor 701 can perform the network diagnostic method described above.
- the processor 701 is configured to: obtain working channel information of the second AP in the diagnostic area of the first AP, where the WLAN service mode of the second AP is different from the WLAN Doctor mode; And, according to the working channel information of the second AP, and testing the quality of the WLAN service provided by the second AP by using a simulated client client.
- the machine-readable storage medium 702 referred to herein can be any electronic, magnetic, optical, or other physical storage device that can contain or store information such as executable instructions, data, and the like.
- the machine-readable storage medium 702 can be: random access memory (English: Radom Access Memory, RAM for short), volatile memory, non-volatile memory, flash memory, storage drive (such as a hard drive), solid state drive, Any type of storage disk (such as a compact disc, dvd, etc.), or a similar storage medium, or a combination thereof.
- machine readable storage medium comprising machine executable instructions, such as machine readable storage medium 702 of FIG. 7, executable by a processor in a network diagnostic device Implement the network diagnostic method described above.
Abstract
Description
Claims (16)
- 一种网络诊断方法,该方法包括:运行在无线局域网WLAN诊断Doctor模式下的第一接入点AP获取处于所述第一AP的诊断区域中第二AP的工作信道信息,所述第二AP运行的WLAN服务模式不同于所述WLAN Doctor模式;所述第一AP依据所述第二AP的工作信道信息并通过模拟客户端Client测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求1所述的方法,其特征在于,在运行在WLAN Doctor模式下的第一接入点AP获取处于第一AP诊断区域中第二AP的工作信道信息之前,所述方法进一步包括:所述第一AP接收模式切换指令;所述第一AP根据所述模式切换指令从运行的WLAN服务模式切换至所述WLAN Doctor模式。
- 根据权利要求1所述的方法,其特征在于,所述第一AP获取处于所述第一AP的诊断区域中第二AP的工作信道信息包括:所述第一AP接收网络诊断指令;所述第一AP从所述网络诊断指令中获取所述第二AP的工作信道信息。
- 根据权利要求1所述的方法,其特征在于,在所述第一AP获取处于所述第一AP的诊断区域中第二AP的工作信道信息之后,所述方法进一步包括:所述第一AP依据所述第二AP的工作信道信息探测所述第二AP的工作信道的信道质量,并将信道质量探测结果上报至网络管理设备。
- 根据权利要求1所述的方法,其特征在于,所述第一AP依据所述第二AP的工作信道信息并通过模拟客户端Client测试所述第二AP所提供的WLAN服务的质量包括:所述第一AP模拟Client并依据所述第二AP的工作信道信息与所述第二AP关联,在所述第一AP成功关联所述第二AP后,所述第一AP模拟Client请求IP地址以及请求认证,在获取所述IP地址和所述认证成功后,所述第一AP模拟Client连接网络以测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求5所述的方法,其特征在于,所述第一AP模拟Client连接网络以测试所述第二AP所提供的WLAN服务的质量包括:所述第一AP模拟Client向域名系统DNS服务器发送DNS请求,以请求所述DNS服务器对待访问网络的域名进行域名解析;所述第一AP模拟Client接收所述DNS服务器返回的DNS响应,从所述DNS响应中解析出所述待访问网络的网络IP地址;所述第一AP模拟Client依据所述网络IP地址访问所述待访问网络以测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求6所述的方法,其特征在于,所述方法进一步包括:所述第一AP将网络信息上报给网络管理设备,所述网络信息包括以下信息中的至少一种:所述第一AP与所述第二AP关联的关联过程信息以及关联结果,所述第一AP请求IP地址的IP地址请求过程信息以及IP地址请求结果,对所述第一AP认证的认证过程信息以及认证结果,和域名解析结果,所述域名解析结果是所述第一AP依据来自DNS服务器的DNS响应确定出的所述DNS服务器对待访问网络的域名进行域名解析的结果。
- 根据权利要求1所述的方法,其特征在于,其特征在于,所述方法进一步包括:所述第一AP将测试第二AP所提供的WLAN服务的质量的测试结果上报至网络管理设备。
- 一种网络诊断装置,所述装置应用于运行在WLAN诊断Doctor模式下的第一AP,包括:获取单元,用于获取处于所述第一AP的诊断区域中第二AP的工作信道信息,所述第二AP运行的WLAN服务模式不同于所述WLAN Doctor模式;诊断单元,用于依据所述获取单元获取的第二AP的工作信道信息并通过模拟客户端Client测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求9所述的装置,其特征在于,所述装置进一步包括:工作模式单元,用于接收模式切换指令,根据所述模式切换指令控制所述第一AP从运行的WLAN服务模式切换至WLAN Doctor模式。
- 根据权利要求9所述的装置,其特征在于,所述获取单元具体用于:接收网络诊断指令;从所述网络诊断指令中获取所述第二AP的工作信道信息。
- 根据权利要求9所述的装置,其特征在于,所述装置进一步包括:探测单元,用于依据所述获取单元获取的第二AP的工作信道信息探测所述第二AP的工作信道的信道质量,并将信道质量探测结果上报至网络管理设备。
- 根据权利要求9所述的装置,其特征在于,所述诊断单元具体用于:控制所述第一AP模拟Client并依据所述第二AP的工作信道信息与所述第二AP关联,在所述第一AP成功关联所述第二AP后,控制所述第一AP模拟Client请求IP地址以及请求认证,在获取所述IP地址和所述认证成功后,控制所述第一AP模拟Client连接网络以测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求13所述的装置,其特征在于,所述诊断单元控制所述第一AP模拟Client连接网络以测试所述第二AP所提供的WLAN服务的质量具体包括:控制所述第一AP模拟Client向域名系统DNS服务器发送DNS请求,以请求所述DNS服务器对待访问网络的域名进行域名解析;控制所述第一AP模拟Client接收所述DNS服务器返回的DNS响应,从所述DNS响应中解析出所述待访问网络的网络IP地址;控制所述第一AP模拟Client依据所述网络IP地址访问所述待访问网络以测试所述第二AP所提供的WLAN服务的质量。
- 根据权利要求9所述的装置,其特征在于,所述诊断单元进一步用于:将网络信息上报给网络管理设备,所述网络信息包括以下信息中的至少一种:所述第一AP与所述第二AP关联的关联过程信息以及关联结果,所述第一AP请求IP地址的IP地址请求过程信息以及IP地址请求结果,对第一AP认证的认证过程信息以及认证结果,域名解析结果,所述域名解析结果是所述第一AP依据来自DNS服务器的DNS响应确定出的所述DNS服务器对待访问网络的域名进行域名解析的结果,和所述第一AP测试第二AP所提供的WLAN服务的质量的测试结果。
- 一种机器可读存储介质,所述机器可读存储介质存储有机器可执行指令,所述机器可执行指令被执行以实现如权利要求1所述的方法。
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