WO2018033998A1 - Wireless lan system, wireless lan access point, wireless lan access point setting method, program, and recording medium - Google Patents

Wireless lan system, wireless lan access point, wireless lan access point setting method, program, and recording medium Download PDF

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Publication number
WO2018033998A1
WO2018033998A1 PCT/JP2016/074199 JP2016074199W WO2018033998A1 WO 2018033998 A1 WO2018033998 A1 WO 2018033998A1 JP 2016074199 W JP2016074199 W JP 2016074199W WO 2018033998 A1 WO2018033998 A1 WO 2018033998A1
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Prior art keywords
wireless lan
access point
hash value
setting
lan access
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PCT/JP2016/074199
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French (fr)
Japanese (ja)
Inventor
俊一 角田
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アライドテレシスホールディングス株式会社
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Priority to PCT/JP2016/074199 priority Critical patent/WO2018033998A1/en
Publication of WO2018033998A1 publication Critical patent/WO2018033998A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Definitions

  • the present invention relates to management of setting of a wireless LAN access point by a wireless LAN controller.
  • the wireless LAN access point receives operation settings from the wireless LAN controller and performs operation settings for the wireless LAN access point itself. At the time of operation setting, the wireless LAN access point stops the function of the access point (for example, stops wireless communication with the wireless LAN client).
  • the wireless LAN access point may receive the same setting from the wireless LAN controller as the current setting of the wireless LAN access point itself. Even in such a case (although originally it is not necessary to perform the setting), the wireless LAN access point stops the wireless communication with the wireless LAN client and performs the operation setting. That is, there may be a problem that the wireless LAN access point stops uselessly wireless communication with the wireless LAN client.
  • the present invention prevents the wireless LAN access point from stopping wireless communication with the wireless LAN client even if the wireless LAN access point receives the same setting as the current wireless LAN access point itself from the wireless LAN controller. Let it be an issue.
  • the wireless LAN system is a wireless LAN system including a wireless LAN controller and a wireless LAN access point.
  • the setting content set in the wireless LAN access point by the wireless LAN controller A setting content transmission unit that transmits to the wireless LAN access point; and a hash transmission unit that transmits a hash value of the setting content to the wireless LAN access point.
  • the wireless LAN access point includes the wireless LAN access A setting unit for setting a point, a current setting content recording unit for recording a current setting content already set in the wireless LAN access point, a wireless communication unit for communicating with a wireless LAN client, and the wireless LAN controller , Which receives the hash value of the setting content And a hash comparison unit that compares the received hash value with a current hash value that is a hash value of the current setting content, and the current hash value and the hash value match Is configured to keep the setting of the wireless LAN access point as it is and to continue communication by the wireless communication unit.
  • a wireless LAN system including a wireless LAN controller and a wireless LAN access point.
  • the setting content transmission unit transmits the setting content set in the wireless LAN access point to the wireless LAN access point.
  • a hash transmission unit transmits the hash value of the setting content to the wireless LAN access point.
  • a setting unit sets the wireless LAN access point.
  • the current setting content recording unit records the current setting content already set in the wireless LAN access point.
  • the wireless communication unit communicates with the wireless LAN client.
  • a hash receiving unit receives a hash value of the setting content from the wireless LAN controller.
  • the hash comparison unit compares the current hash value, which is the hash value of the current setting content, with the received hash value. If the current hash value and the hash value match, the setting of the wireless LAN access point is left as it is and the communication by the wireless communication unit is continued.
  • the wireless LAN controller has completed setting that the wireless LAN access point is set in the wireless LAN access point from the wireless LAN access point in accordance with transmission from the setting content transmitting unit.
  • a setting completion notification receiving unit that receives the notification may be provided, and the setting content transmitting unit may not transmit the setting content when the setting completion notification receiving unit receives the setting completion notification.
  • the setting unit when the wireless LAN access point does not match the current hash value and the hash value, after the communication by the wireless communication unit is stopped, the setting unit The setting may be performed according to the setting content received from the LAN controller, and then the communication by the wireless communication unit may be resumed.
  • a wireless LAN access point is a wireless LAN access point that receives setting contents from a wireless LAN controller, and a setting unit that sets the wireless LAN access point and a wireless LAN access point that is already set to the wireless LAN access point.
  • a current setting content recording unit that records a current setting content
  • a wireless communication unit that communicates with a wireless LAN client
  • a hash reception unit that receives a hash value of the setting content from the wireless LAN controller
  • the current setting content A hash comparison unit that compares the received hash value with the current hash value, and if the current hash value matches the hash value, the wireless LAN access point is set. Leave the current settings as is, and communicate with the wireless communication unit Configured to row.
  • the wireless LAN access point configured as described above provides a wireless LAN access point that receives setting contents from the wireless LAN controller.
  • the setting unit sets the wireless LAN access point.
  • the current setting content recording unit records the current setting content already set in the wireless LAN access point.
  • the wireless communication unit communicates with the wireless LAN client.
  • the hash receiving unit receives the hash value of the setting content from the wireless LAN controller.
  • the hash comparison unit compares the current hash value, which is the hash value of the current setting content, with the received hash value. If the current hash value and the hash value match, the setting of the wireless LAN access point is left as it is and the communication by the wireless communication unit is continued.
  • the setting unit when the current hash value does not match the hash value, the setting unit receives the wireless LAN controller after the communication is stopped by the wireless communication unit.
  • the setting may be performed according to the setting contents, and then the communication by the wireless communication unit may be resumed.
  • the present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point.
  • a wireless LAN access point setting method for performing setting in a wireless LAN access point having a current setting content recording unit and a wireless communication unit that communicates with a wireless LAN client, the hash of the setting content from the wireless LAN controller A hash reception step of receiving a value, and a hash comparison step of comparing the received hash value with a current hash value that is a hash value of the current setting content, wherein the current hash value and the hash value are If they match, the wireless LAN access point The set remains the current settings, and a wireless LAN access point setting to continue communication by the wireless communication unit.
  • the present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point.
  • a hash reception step for receiving a hash value of the setting content, a current hash value that is a hash value of the current setting content, and a hash comparison step that compares the received hash value with the current hash value, If the hash value matches, the wireless L
  • the setting of the N access points remains the current settings, and a program to continue communication by the wireless communication unit.
  • the present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point.
  • a computer-readable recording medium storing a program for causing a computer to execute a setting process in a wireless LAN access point having a current setting content recording unit and a wireless communication unit that communicates with a wireless LAN client,
  • the setting process includes a hash reception step of receiving a hash value of the setting content from the wireless LAN controller, and a hash comparison that compares the received hash value with a current hash value that is a hash value of the current setting content The current hash If the value and the hash values match, the setting of the wireless LAN access point and remains the current settings, and a recording medium to continue communication by the wireless communication unit.
  • FIG. 1 is a diagram showing a wireless LAN system according to an embodiment of the present invention.
  • 2 is a functional block diagram showing configurations of a wireless LAN controller 10 and a wireless LAN access point 20 according to the embodiment of the present invention.
  • FIG. 4 is a flowchart showing operations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention. It is a flowchart which shows operation
  • FIG. 1 is a diagram showing a wireless LAN system according to an embodiment of the present invention.
  • the wireless LAN system includes a wireless LAN controller 10, a wireless LAN access point 20, and wireless LAN clients 30a and 30b.
  • a wireless LAN controller 10 a wireless LAN access point 20, and wireless LAN clients 30a and 30b.
  • the notation of “wireless LAN” may be omitted, and may be referred to as the controller 10, the access point 20, and the clients 30a and 30b.
  • the wireless LAN access point 20 performs wireless communication with the wireless LAN clients 30a and 30b.
  • the wireless LAN client 30 a can perform wireless communication with the wireless LAN client 30 b via the wireless LAN access point 20.
  • the wireless LAN access point 20 receives the setting content (configuration) from the wireless LAN controller 10.
  • the wireless LAN access point 20 sets the wireless LAN access point 20 itself according to the received setting content.
  • the setting content is data relating to wireless communication such as SSID, a wireless communication band (for example, 2.4 GHz or 5 GHz) used between the wireless LAN clients 30a and 30b, an authentication method, and an encryption method.
  • the wireless LAN access point 20 receives the setting content from the wireless LAN controller 10 by wired communication, but may receive it by wireless communication.
  • FIG. 2 is a functional block diagram showing configurations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention.
  • the wireless LAN controller 10 includes a configuration generation unit 12, a configuration transmission unit (setting content transmission unit) 14, an application completion notification reception unit (setting completion notification reception unit) 16, a hash generation unit 102, and a hash transmission unit 104.
  • the configuration generation unit 12 generates setting contents (configuration) to be set in the wireless LAN access point 20.
  • the configuration transmission unit (setting content transmission unit) 14 receives the setting content (configuration) set in the wireless LAN access point 20 from the configuration generation unit 12 and transmits it to the wireless LAN access point 20.
  • the application completion notification receiving unit (setting completion notification receiving unit) 16 receives an application completion notification (setting completion notification) from the wireless LAN access point 20.
  • the application completion notification (setting completion notification) is a signal indicating that the setting along the transmission from the configuration transmission unit 14 is performed in the wireless LAN access point 20.
  • the application completion notification receiving unit 16 notifies the config transmission unit 14 that the application completion notification has been received. Upon receiving this transmission, the configuration transmission unit 14 ends the transmission of the configuration and does not transmit the configuration.
  • the hash generation unit 102 receives the configuration from the configuration generation unit 12 and generates a hash value of the configuration.
  • the hash transmission unit 104 receives the hash value of the configuration from the hash generation unit 102 and transmits it to the wireless LAN access point 20.
  • the wireless LAN access point 20 includes a wireless communication unit 22, a configuration recording unit (current setting content recording unit) 23, a configuration receiving unit 24, a configuration applying unit (setting unit) 25, an application completion notification transmitting unit 26, a hash receiving unit 204, A hash generation unit 206 and a hash comparison unit 208 are included.
  • the configuration recording unit (current setting content recording unit) 23 records the setting content already set in the wireless LAN access point 20 (referred to as “current setting content”).
  • the wireless communication unit 22 performs wireless communication with the wireless LAN clients 30a and 30b.
  • the wireless communication unit 22 performs wireless communication according to the current settings recorded in the configuration recording unit 23.
  • the configuration reception unit 24 receives the configuration transmitted from the configuration transmission unit 14.
  • the config application unit (setting unit) 25 sets the wireless LAN access point 20. That is, the configuration application unit 25 applies the configuration to the wireless LAN access point 20. Note that, when setting the wireless LAN access point 20, the configuration application unit 25 overwrites the configuration recording unit 23 with the setting contents.
  • the application completion notification transmission unit 26 transmits an application completion notification to the wireless LAN access point 20.
  • the hash receiving unit 204 receives the hash value of the configuration from the wireless LAN controller 10.
  • the hash generation unit 206 reads the current setting content from the configuration recording unit 23 and generates a current hash value that is a hash value of the current setting content.
  • the hash comparison unit 208 receives the current hash value from the hash generation unit 206 and compares it with the hash value received by the hash reception unit 204.
  • the fact that the current hash value matches the hash value received by the hash receiving unit 204 means that the current setting content and the config transmitted by the config transmitting unit 14 are the same.
  • the hash generation unit 206 notifies the application completion notification transmission unit 26 to that effect.
  • the application completion notification transmission unit 26 receives this transmission and transmits an application completion notification.
  • the setting of the wireless LAN access point 20 remains the current setting recorded in the configuration recording unit 23, and the wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 is continued.
  • the hash generation unit 206 notifies the configuration application unit 25 to that effect.
  • the configuration application unit 25 stops the wireless communication by the wireless communication unit 22. Thereafter, the configuration application unit 25 performs setting according to the setting content received from the wireless LAN controller 10. Finally, the configuration application unit 25 resumes wireless communication by the wireless communication unit 22.
  • FIG. 3 is a flowchart showing operations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention.
  • the configuration generation unit 12 of the wireless LAN controller 10 generates a configuration and gives it to the configuration transmission unit 14.
  • the configuration generation unit 12 provides the configuration to the hash generation unit 102.
  • the hash value is generated by the hash generation unit 102 (S12).
  • the hash value of the generated configuration is transmitted to the wireless LAN access point 20 by the hash transmission unit 104 (S14).
  • the hash receiving unit 204 of the wireless LAN access point 20 receives the hash value from the wireless LAN controller 10 (S24).
  • the hash generation unit 206 reads the current setting content that is already set in the wireless LAN access point 20 from the configuration recording unit 23, and generates a current hash value that is a hash value of the current setting content.
  • the hash comparison unit 208 receives the current hash value from the hash generation unit 206 and compares it with the hash value received by the hash reception unit 204 (S25).
  • the configuration is transmitted from the configuration transmission unit 14 (S16).
  • the config transmitted from the config transmitter 14 is received by the config receiver 24 of the wireless LAN access point 20 (S26b).
  • the configuration application unit 25 receives the setting content (configuration) received from the wireless LAN controller 10 from the configuration reception unit 24 and applies it to the wireless LAN access point 20 (S26c). That is, the configuration application unit 25 performs settings according to the setting content (configuration) received by the configuration reception unit 24 from the wireless LAN controller 10.
  • the configuration application unit 25 restarts the wireless communication by the wireless communication unit 22 (wireless ON) (S26d), and notifies the application completion notification transmission unit 26 that the setting is completed.
  • the application completion notification transmission unit 26 receives this transmission and transmits an application completion notification (setting completion notification) (S28).
  • the application completion notification receiving unit 16 of the wireless LAN controller 10 receives the application completion notification (S18).
  • the hash comparison unit 208 notifies the application completion notification. This is transmitted to the transmission unit 26. In response to this transmission, the application completion notification transmitter 26 transmits an application completion notification (S28). The application completion notification receiving unit 16 receives the application completion notification (S18).
  • the wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 is continued between the comparison of the hash values (S25, Yes) and the transmission of the application completion notification (S28) (wireless ON remains). ).
  • the setting of the wireless LAN access point 20 remains the current setting content recorded in the configuration recording unit 23.
  • the configuration is transmitted from the configuration transmission unit 14 (S16). Although this configuration is received by the configuration reception unit 24 (S26b), the configuration application unit 25 does not perform setting (S26c) according to the received content of the configuration reception unit 24.
  • the wireless LAN access point 20 can communicate with the wireless LAN clients 30a and 30b. Do not stop communication.
  • receiving the same setting from the wireless LAN controller 10 as the setting of the current wireless LAN access point 20 itself means that the current setting content and the configuration transmitted by the configuration transmission unit 14 are the same. To do.
  • wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 continues (wirelessly ON).
  • the setting of the wireless LAN access point 20 remains the same as the current setting recorded in the configuration recording unit 23, it is not necessary to apply the configuration (S26c) until the wireless OFF (S26a) is performed.
  • FIG. 4 is a flowchart showing the operation of the comparative example compared with the embodiment of the present invention.
  • the wireless LAN controller 10 does not have the hash generation unit 102 and the hash transmission unit 104, and the wireless LAN access point 20 does not have the hash reception unit 204, the hash generation unit 206, and the hash comparison unit 208. is doing.
  • a configuration is transmitted from the configuration transmission unit 14 (S16).
  • the config transmitted from the config transmitter 14 is received by the config receiver 24 of the wireless LAN access point 20 (S26b).
  • the configuration application unit 25 turns off the radio (S26b-1) (corresponding to S26a in FIG. 3). That is, the configuration application unit 25 stops wireless communication by the wireless communication unit 22. It should be noted that the wireless OFF (S26b-1) in the comparative example is performed even if the current setting content and the configuration transmitted by the configuration transmission unit 14 are the same.
  • configuration application (S26c), resumption of wireless communication (wireless ON) (S26d), and transmission of an application completion notification (S28) are performed in the wireless LAN access point 20, as in FIG.
  • the application completion notification receiving unit 16 of the wireless LAN controller 10 receives the application completion notification (S18).
  • the wireless OFF (S26b-1) is performed even if the current setting content and the config transmitted by the config transmitter 14 are the same.
  • the wireless OFF (S26a) (see FIG. 3) is not performed, so there is no need. Useless wireless OFF can be avoided.
  • the above embodiment can be realized as follows.
  • a program that implements each of the above-described parts, for example, each part of the wireless LAN controller 10 or the wireless LAN access point 20, on a computer having a CPU, a hard disk, and a medium (floppy (registered trademark) disk, CD-ROM, etc.) reader. Read the recorded media and install it on the hard disk.
  • a program that implements each of the above-described parts, for example, each part of the wireless LAN controller 10 or the wireless LAN access point 20, on a computer having a CPU, a hard disk, and a medium (floppy (registered trademark) disk, CD-ROM, etc.) reader. Read the recorded media and install it on the hard disk.
  • Such a method can also realize the above functions.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

A wireless LAN system according to the present invention is provided with a wireless LAN controller and a wireless LAN access point. The wireless LAN controller transmits a setting content to be set in the wireless LAN access point to the wireless LAN access point, and transmits a hash value of the setting content to the wireless LAN access point. The wireless LAN access point comprises: a setting unit that sets the wireless LAN access point; a current setting content recording unit that records a current setting content already set in the wireless LAN access point; a wireless communication unit that communicates with a wireless LAN client; a hash reception unit that receives the hash value of the setting content from the wireless LAN controller; and a hash comparison unit. When the current hash value and the hash value match, the wireless LAN access point causes the content of setting of the wireless LAN access point to remain the current setting content, and continues the communication by the wireless communication unit.

Description

無線ＬＡＮシステム、無線ＬＡＮアクセスポイント、無線ＬＡＮアクセスポイント設定方法、プログラム、記録媒体Wireless LAN system, wireless LAN access point, wireless LAN access point setting method, program, and recording medium
　本発明は、無線ＬＡＮコントローラによる無線ＬＡＮアクセスポイントの設定の管理に関する。 The present invention relates to management of setting of a wireless LAN access point by a wireless LAN controller.
　従来より、無線ＬＡＮコントローラが無線ＬＡＮアクセスポイントを管理することが知られている（例えば、特許文献１の[0008]参照）。 Conventionally, it is known that a wireless LAN controller manages a wireless LAN access point (see, for example, [0008] of Patent Document 1).
　無線ＬＡＮアクセスポイントは、動作用の設定を無線ＬＡＮコントローラから受信し、無線ＬＡＮアクセスポイント自らの動作設定を行う。動作設定の際に、無線ＬＡＮアクセスポイントは、アクセスポイントの機能を停止（例えば、無線ＬＡＮクライアントとの無線通信を停止）する。 The wireless LAN access point receives operation settings from the wireless LAN controller and performs operation settings for the wireless LAN access point itself. At the time of operation setting, the wireless LAN access point stops the function of the access point (for example, stops wireless communication with the wireless LAN client).
　なお、特に無線ＬＡＮとは関係ないが、コンテンツの配信については、特許文献２に記載がある。 Note that, although not particularly related to the wireless LAN, the distribution of contents is described in Patent Document 2.
特開２００７－１６６４６４号公報JP 2007-166464 A 特開２００２－３１８７１６号公報JP 2002-318716 A
　しかしながら、無線ＬＡＮアクセスポイントは、現時点の無線ＬＡＮアクセスポイント自身の設定と同一の設定を無線ＬＡＮコントローラから受信することがある。このような場合であっても（本来、設定を行う必要が無いにも関わらず）、無線ＬＡＮアクセスポイントは、無線ＬＡＮクライアントとの無線通信を停止して、動作設定を行う。すなわち、無線ＬＡＮアクセスポイントが、無線ＬＡＮクライアントとの無線通信を無駄に停止するという問題が生じることがある。 However, the wireless LAN access point may receive the same setting from the wireless LAN controller as the current setting of the wireless LAN access point itself. Even in such a case (although originally it is not necessary to perform the setting), the wireless LAN access point stops the wireless communication with the wireless LAN client and performs the operation setting. That is, there may be a problem that the wireless LAN access point stops uselessly wireless communication with the wireless LAN client.
　そこで、本発明は、無線ＬＡＮアクセスポイントが、現時点の無線ＬＡＮアクセスポイント自身の設定と同一の設定を無線ＬＡＮコントローラから受信しても、無線ＬＡＮクライアントとの無線通信を停止しないようにすることを課題とする。 Therefore, the present invention prevents the wireless LAN access point from stopping wireless communication with the wireless LAN client even if the wireless LAN access point receives the same setting as the current wireless LAN access point itself from the wireless LAN controller. Let it be an issue.
　本発明にかかる無線ＬＡＮシステムは、無線ＬＡＮコントローラと、無線ＬＡＮアクセスポイントとを備える無線ＬＡＮシステムであって、（１）前記無線ＬＡＮコントローラが、前記無線ＬＡＮアクセスポイントに設定する設定内容を、前記無線ＬＡＮアクセスポイントに送信する設定内容送信部と、前記設定内容のハッシュ値を前記無線ＬＡＮアクセスポイントに送信するハッシュ送信部とを有し、（２）前記無線ＬＡＮアクセスポイントが、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部と、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信部と、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較部とを有し、前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行するように構成される。 The wireless LAN system according to the present invention is a wireless LAN system including a wireless LAN controller and a wireless LAN access point. (1) The setting content set in the wireless LAN access point by the wireless LAN controller A setting content transmission unit that transmits to the wireless LAN access point; and a hash transmission unit that transmits a hash value of the setting content to the wireless LAN access point. (2) The wireless LAN access point includes the wireless LAN access A setting unit for setting a point, a current setting content recording unit for recording a current setting content already set in the wireless LAN access point, a wireless communication unit for communicating with a wireless LAN client, and the wireless LAN controller , Which receives the hash value of the setting content And a hash comparison unit that compares the received hash value with a current hash value that is a hash value of the current setting content, and the current hash value and the hash value match Is configured to keep the setting of the wireless LAN access point as it is and to continue communication by the wireless communication unit.
　上記のように構成された無線ＬＡＮシステムによれば、無線ＬＡＮコントローラと、無線ＬＡＮアクセスポイントとを備える無線ＬＡＮシステムが提供される。（１）前記無線ＬＡＮコントローラにおいては、設定内容送信部が、前記無線ＬＡＮアクセスポイントに設定する設定内容を、前記無線ＬＡＮアクセスポイントに送信する。ハッシュ送信部が、前記設定内容のハッシュ値を前記無線ＬＡＮアクセスポイントに送信する。（２）前記無線ＬＡＮアクセスポイントにおいては、設定部が、前記無線ＬＡＮアクセスポイントの設定を行う。現行設定内容記録部が、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する。無線通信部が、無線ＬＡＮクライアントと通信を行う。ハッシュ受信部が、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信する。ハッシュ比較部が、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較する。前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する。 According to the wireless LAN system configured as described above, a wireless LAN system including a wireless LAN controller and a wireless LAN access point is provided. (1) In the wireless LAN controller, the setting content transmission unit transmits the setting content set in the wireless LAN access point to the wireless LAN access point. A hash transmission unit transmits the hash value of the setting content to the wireless LAN access point. (2) In the wireless LAN access point, a setting unit sets the wireless LAN access point. The current setting content recording unit records the current setting content already set in the wireless LAN access point. The wireless communication unit communicates with the wireless LAN client. A hash receiving unit receives a hash value of the setting content from the wireless LAN controller. The hash comparison unit compares the current hash value, which is the hash value of the current setting content, with the received hash value. If the current hash value and the hash value match, the setting of the wireless LAN access point is left as it is and the communication by the wireless communication unit is continued.
　なお、本発明にかかる無線ＬＡＮシステムは、前記無線ＬＡＮコントローラが、前記無線ＬＡＮアクセスポイントから、前記設定内容送信部からの送信に沿った設定が前記無線ＬＡＮアクセスポイントにおいてなされている旨の設定完了通知を受信する設定完了通知受信部を備え、前記設定内容送信部は、前記設定完了通知受信部が前記設定完了通知を受信した場合には、前記設定内容を送信しないようにしてもよい。 In the wireless LAN system according to the present invention, the wireless LAN controller has completed setting that the wireless LAN access point is set in the wireless LAN access point from the wireless LAN access point in accordance with transmission from the setting content transmitting unit. A setting completion notification receiving unit that receives the notification may be provided, and the setting content transmitting unit may not transmit the setting content when the setting completion notification receiving unit receives the setting completion notification.
　なお、本発明にかかる無線ＬＡＮシステムは、前記無線ＬＡＮアクセスポイントが、前記現行ハッシュ値と前記ハッシュ値とが一致しない場合は、前記無線通信部による通信の停止後に、前記設定部が、前記無線ＬＡＮコントローラから受信した前記設定内容に沿って設定を行い、その後に前記無線通信部による通信が再開されるようにしてもよい。 In the wireless LAN system according to the present invention, when the wireless LAN access point does not match the current hash value and the hash value, after the communication by the wireless communication unit is stopped, the setting unit The setting may be performed according to the setting content received from the LAN controller, and then the communication by the wireless communication unit may be resumed.
　本発明にかかる無線ＬＡＮアクセスポイントは、無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部と、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信部と、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較部とを備え、前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行するように構成される。 A wireless LAN access point according to the present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and a setting unit that sets the wireless LAN access point and a wireless LAN access point that is already set to the wireless LAN access point. A current setting content recording unit that records a current setting content, a wireless communication unit that communicates with a wireless LAN client, a hash reception unit that receives a hash value of the setting content from the wireless LAN controller, and the current setting content A hash comparison unit that compares the received hash value with the current hash value, and if the current hash value matches the hash value, the wireless LAN access point is set. Leave the current settings as is, and communicate with the wireless communication unit Configured to row.
　上記のように構成された無線ＬＡＮアクセスポイントによれば、無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントが提供される。設定部は、前記無線ＬＡＮアクセスポイントの設定を行う。現行設定内容記録部は、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する。無線通信部は、無線ＬＡＮクライアントと通信を行う。ハッシュ受信部は、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信する。ハッシュ比較部は、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較する。前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する。 The wireless LAN access point configured as described above provides a wireless LAN access point that receives setting contents from the wireless LAN controller. The setting unit sets the wireless LAN access point. The current setting content recording unit records the current setting content already set in the wireless LAN access point. The wireless communication unit communicates with the wireless LAN client. The hash receiving unit receives the hash value of the setting content from the wireless LAN controller. The hash comparison unit compares the current hash value, which is the hash value of the current setting content, with the received hash value. If the current hash value and the hash value match, the setting of the wireless LAN access point is left as it is and the communication by the wireless communication unit is continued.
　なお、本発明にかかる無線ＬＡＮアクセスポイントは、前記現行ハッシュ値と前記ハッシュ値とが一致しない場合は、前記無線通信部による通信の停止後に、前記設定部が、前記無線ＬＡＮコントローラから受信した前記設定内容に沿って設定を行い、その後に前記無線通信部による通信が再開されるようにしてもよい。 In the wireless LAN access point according to the present invention, when the current hash value does not match the hash value, the setting unit receives the wireless LAN controller after the communication is stopped by the wireless communication unit. The setting may be performed according to the setting contents, and then the communication by the wireless communication unit may be resumed.
　本発明は、無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定を行う無線ＬＡＮアクセスポイント設定方法であって、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程と、を備え、前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する無線ＬＡＮアクセスポイント設定方法である。 The present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point. A wireless LAN access point setting method for performing setting in a wireless LAN access point having a current setting content recording unit and a wireless communication unit that communicates with a wireless LAN client, the hash of the setting content from the wireless LAN controller A hash reception step of receiving a value, and a hash comparison step of comparing the received hash value with a current hash value that is a hash value of the current setting content, wherein the current hash value and the hash value are If they match, the wireless LAN access point The set remains the current settings, and a wireless LAN access point setting to continue communication by the wireless communication unit.
　本発明は、無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定処理をコンピュータに実行させるためのプログラムであって、前記設定処理は、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程とを備え、前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行するプログラムである。 The present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point. A program for causing a computer to execute a setting process in a wireless LAN access point having a current setting content recording unit and a wireless communication unit that communicates with a wireless LAN client, the setting process being performed by the wireless LAN controller A hash reception step for receiving a hash value of the setting content, a current hash value that is a hash value of the current setting content, and a hash comparison step that compares the received hash value with the current hash value, If the hash value matches, the wireless L The setting of the N access points remains the current settings, and a program to continue communication by the wireless communication unit.
　本発明は、無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定処理をコンピュータに実行させるためのプログラムを記録したコンピュータによって読み取り可能な記録媒体であって、前記設定処理は、前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程とを備え、前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する記録媒体である。 The present invention is a wireless LAN access point that receives setting contents from a wireless LAN controller, and records a setting unit that sets the wireless LAN access point and a current setting contents that are already set in the wireless LAN access point. A computer-readable recording medium storing a program for causing a computer to execute a setting process in a wireless LAN access point having a current setting content recording unit and a wireless communication unit that communicates with a wireless LAN client, The setting process includes a hash reception step of receiving a hash value of the setting content from the wireless LAN controller, and a hash comparison that compares the received hash value with a current hash value that is a hash value of the current setting content The current hash If the value and the hash values match, the setting of the wireless LAN access point and remains the current settings, and a recording medium to continue communication by the wireless communication unit.
本発明の実施形態にかかる無線ＬＡＮシステムを示す図である。1 is a diagram showing a wireless LAN system according to an embodiment of the present invention. 本発明の実施形態にかかる無線ＬＡＮコントローラ１０および無線ＬＡＮアクセスポイント２０の構成を示す機能ブロック図である。2 is a functional block diagram showing configurations of a wireless LAN controller 10 and a wireless LAN access point 20 according to the embodiment of the present invention. FIG. 本発明の実施形態にかかる無線ＬＡＮコントローラ１０および無線ＬＡＮアクセスポイント２０の動作を示すフローチャートである。4 is a flowchart showing operations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention. 本発明の実施形態と対比する比較例の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the comparative example contrasted with embodiment of this invention.
　以下、本発明の実施形態を図面を参照しながら説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
　図１は、本発明の実施形態にかかる無線ＬＡＮシステムを示す図である。 FIG. 1 is a diagram showing a wireless LAN system according to an embodiment of the present invention.
　本発明の実施形態にかかる無線ＬＡＮシステムは、無線ＬＡＮコントローラ１０および無線ＬＡＮアクセスポイント２０、無線ＬＡＮクライアント３０ａ、３０ｂを備える。なお、図面においては、「無線ＬＡＮ」の表記を省略し、コントローラ１０、アクセスポイント２０およびクライアント３０ａ、３０ｂと表記することがある。 The wireless LAN system according to the embodiment of the present invention includes a wireless LAN controller 10, a wireless LAN access point 20, and wireless LAN clients 30a and 30b. In the drawings, the notation of “wireless LAN” may be omitted, and may be referred to as the controller 10, the access point 20, and the clients 30a and 30b.
　無線ＬＡＮアクセスポイント２０は、無線ＬＡＮクライアント３０ａおよび３０ｂとの間で無線通信を行う。例えば、無線ＬＡＮクライアント３０ａは、無線ＬＡＮアクセスポイント２０を介して、無線ＬＡＮクライアント３０ｂとの間で無線通信を行うことができる。 The wireless LAN access point 20 performs wireless communication with the wireless LAN clients 30a and 30b. For example, the wireless LAN client 30 a can perform wireless communication with the wireless LAN client 30 b via the wireless LAN access point 20.
　無線ＬＡＮアクセスポイント２０は、無線ＬＡＮコントローラ１０から設定内容（コンフィグ）を受信する。無線ＬＡＮアクセスポイント２０は、受信した設定内容に沿って、無線ＬＡＮアクセスポイント２０自身の設定を行う。設定内容とは、例えば、ＳＳＩＤ、無線ＬＡＮクライアント３０ａ、３０ｂとの間で用いる無線通信の帯域（例えば、2.4GHzまたは5GHz）、認証方式および暗号方式などといった無線通信に関するデータである。 The wireless LAN access point 20 receives the setting content (configuration) from the wireless LAN controller 10. The wireless LAN access point 20 sets the wireless LAN access point 20 itself according to the received setting content. The setting content is data relating to wireless communication such as SSID, a wireless communication band (for example, 2.4 GHz or 5 GHz) used between the wireless LAN clients 30a and 30b, an authentication method, and an encryption method.
　なお、無線ＬＡＮアクセスポイント２０は、無線ＬＡＮコントローラ１０から設定内容を有線通信により受信するが、無線通信により受信するようにしてもよい。 The wireless LAN access point 20 receives the setting content from the wireless LAN controller 10 by wired communication, but may receive it by wireless communication.
　図２は、本発明の実施形態にかかる無線ＬＡＮコントローラ１０および無線ＬＡＮアクセスポイント２０の構成を示す機能ブロック図である。 FIG. 2 is a functional block diagram showing configurations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention.
　無線ＬＡＮコントローラ１０は、コンフィグ生成部１２、コンフィグ送信部（設定内容送信部）１４、適用完了通知受信部（設定完了通知受信部）１６、ハッシュ生成部１０２、ハッシュ送信部１０４を有する。 The wireless LAN controller 10 includes a configuration generation unit 12, a configuration transmission unit (setting content transmission unit) 14, an application completion notification reception unit (setting completion notification reception unit) 16, a hash generation unit 102, and a hash transmission unit 104.
　コンフィグ生成部１２は、無線ＬＡＮアクセスポイント２０に設定する設定内容（コンフィグ）を生成する。 The configuration generation unit 12 generates setting contents (configuration) to be set in the wireless LAN access point 20.
　コンフィグ送信部（設定内容送信部）１４は、無線ＬＡＮアクセスポイント２０に設定する設定内容（コンフィグ）を、コンフィグ生成部１２から受けて、無線ＬＡＮアクセスポイント２０に送信する。 The configuration transmission unit (setting content transmission unit) 14 receives the setting content (configuration) set in the wireless LAN access point 20 from the configuration generation unit 12 and transmits it to the wireless LAN access point 20.
　適用完了通知受信部（設定完了通知受信部）１６は、無線ＬＡＮアクセスポイント２０から適用完了通知（設定完了通知）を受信する。なお、適用完了通知（設定完了通知）とは、コンフィグ送信部１４からの送信に沿った設定が無線ＬＡＮアクセスポイント２０においてなされている旨を示す信号である。 The application completion notification receiving unit (setting completion notification receiving unit) 16 receives an application completion notification (setting completion notification) from the wireless LAN access point 20. The application completion notification (setting completion notification) is a signal indicating that the setting along the transmission from the configuration transmission unit 14 is performed in the wireless LAN access point 20.
　適用完了通知受信部１６は、適用完了通知を受信した旨を、コンフィグ送信部１４に伝達する。この伝達を受けると、コンフィグ送信部１４は、コンフィグの送信を終了し、コンフィグの送信を行わない。 The application completion notification receiving unit 16 notifies the config transmission unit 14 that the application completion notification has been received. Upon receiving this transmission, the configuration transmission unit 14 ends the transmission of the configuration and does not transmit the configuration.
　ハッシュ生成部１０２は、コンフィグをコンフィグ生成部１２から受けて、コンフィグのハッシュ値を生成する。 The hash generation unit 102 receives the configuration from the configuration generation unit 12 and generates a hash value of the configuration.
　ハッシュ送信部１０４は、コンフィグのハッシュ値をハッシュ生成部１０２から受けて、無線ＬＡＮアクセスポイント２０に送信する。 The hash transmission unit 104 receives the hash value of the configuration from the hash generation unit 102 and transmits it to the wireless LAN access point 20.
　無線ＬＡＮアクセスポイント２０は、無線通信部２２、コンフィグ記録部（現行設定内容記録部）２３、コンフィグ受信部２４、コンフィグ適用部（設定部）２５、適用完了通知送信部２６、ハッシュ受信部２０４、ハッシュ生成部２０６、ハッシュ比較部２０８を有する。 The wireless LAN access point 20 includes a wireless communication unit 22, a configuration recording unit (current setting content recording unit) 23, a configuration receiving unit 24, a configuration applying unit (setting unit) 25, an application completion notification transmitting unit 26, a hash receiving unit 204, A hash generation unit 206 and a hash comparison unit 208 are included.
　コンフィグ記録部（現行設定内容記録部）２３は、既に無線ＬＡＮアクセスポイント２０に設定されている設定内容（「現行設定内容」という）を記録する。 The configuration recording unit (current setting content recording unit) 23 records the setting content already set in the wireless LAN access point 20 (referred to as “current setting content”).
　無線通信部２２は、無線ＬＡＮクライアント３０ａ、３０ｂと無線通信を行う。なお、無線通信部２２は、コンフィグ記録部２３に記録された現行設定内容にしたがって無線通信を行う。 The wireless communication unit 22 performs wireless communication with the wireless LAN clients 30a and 30b. The wireless communication unit 22 performs wireless communication according to the current settings recorded in the configuration recording unit 23.
　コンフィグ受信部２４は、コンフィグ送信部１４から送信されてきたコンフィグを受信する。 The configuration reception unit 24 receives the configuration transmitted from the configuration transmission unit 14.
　コンフィグ適用部（設定部）２５は、無線ＬＡＮアクセスポイント２０の設定を行う。すなわち、コンフィグ適用部２５は、コンフィグを無線ＬＡＮアクセスポイント２０に適用する。なお、無線ＬＡＮアクセスポイント２０の設定の際、コンフィグ適用部２５は、設定の内容をコンフィグ記録部２３に上書きする。 The config application unit (setting unit) 25 sets the wireless LAN access point 20. That is, the configuration application unit 25 applies the configuration to the wireless LAN access point 20. Note that, when setting the wireless LAN access point 20, the configuration application unit 25 overwrites the configuration recording unit 23 with the setting contents.
　適用完了通知送信部２６は、無線ＬＡＮアクセスポイント２０へ、適用完了通知を送信する。 The application completion notification transmission unit 26 transmits an application completion notification to the wireless LAN access point 20.
　ハッシュ受信部２０４は、無線ＬＡＮコントローラ１０から、コンフィグのハッシュ値を受信する。 The hash receiving unit 204 receives the hash value of the configuration from the wireless LAN controller 10.
　ハッシュ生成部２０６は、現行設定内容をコンフィグ記録部２３から読み出し、現行設定内容のハッシュ値である現行ハッシュ値を生成する。 The hash generation unit 206 reads the current setting content from the configuration recording unit 23 and generates a current hash value that is a hash value of the current setting content.
　ハッシュ比較部２０８は、ハッシュ生成部２０６から現行ハッシュ値を受け、ハッシュ受信部２０４が受信したハッシュ値と比較する。現行ハッシュ値とハッシュ受信部２０４が受信したハッシュ値とが一致するということは、現行設定内容とコンフィグ送信部１４により送信されるコンフィグとが同一であるということを意味する。 The hash comparison unit 208 receives the current hash value from the hash generation unit 206 and compares it with the hash value received by the hash reception unit 204. The fact that the current hash value matches the hash value received by the hash receiving unit 204 means that the current setting content and the config transmitted by the config transmitting unit 14 are the same.
　現行ハッシュ値とハッシュ受信部２０４が受信したハッシュ値とが一致する場合には、ハッシュ生成部２０６がその旨を、適用完了通知送信部２６に伝達する。適用完了通知送信部２６は、この伝達を受けて、適用完了通知を送信する。なお、この場合、無線ＬＡＮアクセスポイント２０の設定はコンフィグ記録部２３に記録された現行設定内容のままとし、かつ無線通信部２２による無線ＬＡＮクライアント３０ａ、３０ｂとの無線通信は続行される。 If the current hash value and the hash value received by the hash receiving unit 204 match, the hash generation unit 206 notifies the application completion notification transmission unit 26 to that effect. The application completion notification transmission unit 26 receives this transmission and transmits an application completion notification. In this case, the setting of the wireless LAN access point 20 remains the current setting recorded in the configuration recording unit 23, and the wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 is continued.
　現行ハッシュ値とハッシュ受信部２０４が受信したハッシュ値とが一致しない場合は、ハッシュ生成部２０６がその旨を、コンフィグ適用部２５に伝達する。コンフィグ適用部２５は、無線通信部２２による無線通信を停止させる。その後に、コンフィグ適用部２５は、無線ＬＡＮコントローラ１０から受信した設定内容に沿って設定を行う。最後に、コンフィグ適用部２５は、無線通信部２２による無線通信を再開させる。 When the current hash value and the hash value received by the hash receiving unit 204 do not match, the hash generation unit 206 notifies the configuration application unit 25 to that effect. The configuration application unit 25 stops the wireless communication by the wireless communication unit 22. Thereafter, the configuration application unit 25 performs setting according to the setting content received from the wireless LAN controller 10. Finally, the configuration application unit 25 resumes wireless communication by the wireless communication unit 22.
　次に、本発明の実施形態の動作を説明する。 Next, the operation of the embodiment of the present invention will be described.
　図３は、本発明の実施形態にかかる無線ＬＡＮコントローラ１０および無線ＬＡＮアクセスポイント２０の動作を示すフローチャートである。 FIG. 3 is a flowchart showing operations of the wireless LAN controller 10 and the wireless LAN access point 20 according to the embodiment of the present invention.
　まず、無線ＬＡＮコントローラ１０のコンフィグ生成部１２がコンフィグを生成し、コンフィグ送信部１４に与える。また、コンフィグ生成部１２はコンフィグをハッシュ生成部１０２に与える。ハッシュ生成部１０２により、コンフィグのハッシュ値が生成される（Ｓ１２）。 First, the configuration generation unit 12 of the wireless LAN controller 10 generates a configuration and gives it to the configuration transmission unit 14. The configuration generation unit 12 provides the configuration to the hash generation unit 102. The hash value is generated by the hash generation unit 102 (S12).
　生成されたコンフィグのハッシュ値は、ハッシュ送信部１０４により、無線ＬＡＮアクセスポイント２０に送信される（Ｓ１４）。 The hash value of the generated configuration is transmitted to the wireless LAN access point 20 by the hash transmission unit 104 (S14).
　無線ＬＡＮアクセスポイント２０のハッシュ受信部２０４が、無線ＬＡＮコントローラ１０からハッシュ値を受信する（Ｓ２４）。 The hash receiving unit 204 of the wireless LAN access point 20 receives the hash value from the wireless LAN controller 10 (S24).
　ハッシュ生成部２０６が、既に無線ＬＡＮアクセスポイント２０に設定されている設定内容である現行設定内容をコンフィグ記録部２３から読み出し、現行設定内容のハッシュ値である現行ハッシュ値を生成する。 The hash generation unit 206 reads the current setting content that is already set in the wireless LAN access point 20 from the configuration recording unit 23, and generates a current hash value that is a hash value of the current setting content.
　ハッシュ比較部２０８は、ハッシュ生成部２０６から現行ハッシュ値を受け、ハッシュ受信部２０４が受信したハッシュ値と比較する（Ｓ２５）。 The hash comparison unit 208 receives the current hash value from the hash generation unit 206 and compares it with the hash value received by the hash reception unit 204 (S25).
　（Ａ）現行ハッシュ値と受信したハッシュ値とが一致しない場合の処理
　現行ハッシュ値と受信したハッシュ値とが一致しない場合は（Ｓ２５、Ｎｏ）、ハッシュ比較部２０８がその旨を、コンフィグ適用部２５に伝達する。コンフィグ適用部２５は、無線をＯＦＦにする（Ｓ２６ａ）。すなわち、コンフィグ適用部２５は、無線通信部２２による無線通信を停止させる。 (A) Processing when the current hash value and the received hash value do not match If the current hash value and the received hash value do not match (S25, No), the hash comparison unit 208 indicates that fact and the config application unit. 25. The config application unit 25 turns off the radio (S26a). That is, the configuration application unit 25 stops wireless communication by the wireless communication unit 22.
　無線ＬＡＮコントローラ１０においては、ハッシュ送信部１０４からのハッシュ値の送信に引き続き、コンフィグ送信部１４からコンフィグが送信される（Ｓ１６）。 In the wireless LAN controller 10, following the transmission of the hash value from the hash transmission unit 104, the configuration is transmitted from the configuration transmission unit 14 (S16).
　コンフィグ送信部１４から送信されたコンフィグは、無線ＬＡＮアクセスポイント２０のコンフィグ受信部２４により受信される（Ｓ２６ｂ）。 The config transmitted from the config transmitter 14 is received by the config receiver 24 of the wireless LAN access point 20 (S26b).
　その後、コンフィグ適用部２５は、無線ＬＡＮコントローラ１０から受信した設定内容（コンフィグ）をコンフィグ受信部２４から受け、それを無線ＬＡＮアクセスポイント２０に適用する（Ｓ２６ｃ）。すなわち、コンフィグ適用部２５は、コンフィグ受信部２４が無線ＬＡＮコントローラ１０から受信した設定内容（コンフィグ）に沿って設定を行う。 Thereafter, the configuration application unit 25 receives the setting content (configuration) received from the wireless LAN controller 10 from the configuration reception unit 24 and applies it to the wireless LAN access point 20 (S26c). That is, the configuration application unit 25 performs settings according to the setting content (configuration) received by the configuration reception unit 24 from the wireless LAN controller 10.
　設定完了の後、コンフィグ適用部２５は、無線通信部２２による無線通信を再開させ（無線ＯＮ）（Ｓ２６ｄ）、設定完了の旨を適用完了通知送信部２６に伝達する。適用完了通知送信部２６は、この伝達を受け適用完了通知（設定完了通知）を送信する（Ｓ２８）。 After the setting is completed, the configuration application unit 25 restarts the wireless communication by the wireless communication unit 22 (wireless ON) (S26d), and notifies the application completion notification transmission unit 26 that the setting is completed. The application completion notification transmission unit 26 receives this transmission and transmits an application completion notification (setting completion notification) (S28).
　無線ＬＡＮコントローラ１０の適用完了通知受信部１６は、適用完了通知を受信する（Ｓ１８）。 The application completion notification receiving unit 16 of the wireless LAN controller 10 receives the application completion notification (S18).
　（Ｂ）現行ハッシュ値と受信したハッシュ値とが一致する場合の処理
　現行ハッシュ値と受信したハッシュ値とが一致する場合は（Ｓ２５、Ｙｅｓ）、ハッシュ比較部２０８がその旨を、適用完了通知送信部２６に伝達する。適用完了通知送信部２６は、この伝達を受けて、適用完了通知を送信する（Ｓ２８）。適用完了通知受信部１６は、適用完了通知を受信する（Ｓ１８）。 (B) Processing when the current hash value matches the received hash value When the current hash value matches the received hash value (S25, Yes), the hash comparison unit 208 notifies the application completion notification. This is transmitted to the transmission unit 26. In response to this transmission, the application completion notification transmitter 26 transmits an application completion notification (S28). The application completion notification receiving unit 16 receives the application completion notification (S18).
　なお、ハッシュ値の比較（Ｓ２５、Ｙｅｓ）から適用完了通知の送信（Ｓ２８）までの間においては、無線通信部２２による無線ＬＡＮクライアント３０ａ、３０ｂとの無線通信は続行される（無線ＯＮのまま）。また、無線ＬＡＮアクセスポイント２０の設定はコンフィグ記録部２３に記録された現行設定内容のままである。 The wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 is continued between the comparison of the hash values (S25, Yes) and the transmission of the application completion notification (S28) (wireless ON remains). ). The setting of the wireless LAN access point 20 remains the current setting content recorded in the configuration recording unit 23.
　無線ＬＡＮコントローラ１０におけるハッシュ送信部１０４からのハッシュ値の送信に引き続き、コンフィグ送信部１４からはコンフィグが送信される（Ｓ１６）。このコンフィグは、コンフィグ受信部２４により受信されるものの（Ｓ２６ｂ）、コンフィグ適用部２５がコンフィグ受信部２４の受信内容に沿った設定（Ｓ２６ｃ）を行うことはない。 Subsequently to the transmission of the hash value from the hash transmission unit 104 in the wireless LAN controller 10, the configuration is transmitted from the configuration transmission unit 14 (S16). Although this configuration is received by the configuration reception unit 24 (S26b), the configuration application unit 25 does not perform setting (S26c) according to the received content of the configuration reception unit 24.
　本発明の実施形態によれば、無線ＬＡＮアクセスポイント２０が、現時点の無線ＬＡＮアクセスポイント２０自身の設定と同一の設定を無線ＬＡＮコントローラ１０から受信しても、無線ＬＡＮクライアント３０ａ、３０ｂとの無線通信を停止しない。 According to the embodiment of the present invention, even if the wireless LAN access point 20 receives the same setting from the wireless LAN controller 10 as the current setting of the wireless LAN access point 20 itself, the wireless LAN access point 20 can communicate with the wireless LAN clients 30a and 30b. Do not stop communication.
　すなわち、現時点の無線ＬＡＮアクセスポイント２０自身の設定と同一の設定を無線ＬＡＮコントローラ１０から受信するということは、現行設定内容とコンフィグ送信部１４により送信されるコンフィグとが同一であるということを意味する。これは、さらにハッシュ生成部２０６が生成した現行ハッシュ値とハッシュ受信部２０４が受信したハッシュ値とが一致する（Ｓ２５、Ｙｅｓ）ということである。この場合、無線通信部２２による無線ＬＡＮクライアント３０ａ、３０ｂとの無線通信は続行される（無線ＯＮのまま）。そもそも、無線ＬＡＮアクセスポイント２０の設定はコンフィグ記録部２３に記録された現行設定内容のままなので、無線ＯＦＦ（Ｓ２６ａ）を行ってまで、コンフィグ適用（Ｓ２６ｃ）を行う必要が無い。 That is, receiving the same setting from the wireless LAN controller 10 as the setting of the current wireless LAN access point 20 itself means that the current setting content and the configuration transmitted by the configuration transmission unit 14 are the same. To do. This further means that the current hash value generated by the hash generation unit 206 and the hash value received by the hash reception unit 204 match (S25, Yes). In this case, wireless communication with the wireless LAN clients 30a and 30b by the wireless communication unit 22 continues (wirelessly ON). In the first place, since the setting of the wireless LAN access point 20 remains the same as the current setting recorded in the configuration recording unit 23, it is not necessary to apply the configuration (S26c) until the wireless OFF (S26a) is performed.
　本発明の実施形態を比較例と対比することで、本発明の実施形態の効果をさらに説明する。 The effect of the embodiment of the present invention will be further described by comparing the embodiment of the present invention with a comparative example.
　図４は、本発明の実施形態と対比する比較例の動作を示すフローチャートである。図４における比較例においては、無線ＬＡＮコントローラ１０にハッシュ生成部１０２およびハッシュ送信部１０４が無く、無線ＬＡＮアクセスポイント２０にハッシュ受信部２０４、ハッシュ生成部２０６およびハッシュ比較部２０８が無いものを想定している。 FIG. 4 is a flowchart showing the operation of the comparative example compared with the embodiment of the present invention. In the comparative example in FIG. 4, it is assumed that the wireless LAN controller 10 does not have the hash generation unit 102 and the hash transmission unit 104, and the wireless LAN access point 20 does not have the hash reception unit 204, the hash generation unit 206, and the hash comparison unit 208. is doing.
　なお、図４においては、図３と同様な工程は図３と同じ符号を付して詳細な説明を省略する。 In FIG. 4, steps similar to those in FIG. 3 are denoted by the same reference numerals as those in FIG. 3, and detailed description thereof is omitted.
　まず、無線ＬＡＮコントローラ１０において、コンフィグ送信部１４からコンフィグが送信される（Ｓ１６）。 First, in the wireless LAN controller 10, a configuration is transmitted from the configuration transmission unit 14 (S16).
　次に、コンフィグ送信部１４から送信されたコンフィグは、無線ＬＡＮアクセスポイント２０のコンフィグ受信部２４により受信される（Ｓ２６ｂ）。コンフィグ適用部２５は、無線をＯＦＦにする（Ｓ２６ｂ－１）（図３のＳ２６ａに相当）。すなわち、コンフィグ適用部２５は、無線通信部２２による無線通信を停止させる。なお、比較例における無線ＯＦＦ（Ｓ２６ｂ－１）は、現行設定内容とコンフィグ送信部１４により送信されるコンフィグとが同一であっても行われることに留意されたい。 Next, the config transmitted from the config transmitter 14 is received by the config receiver 24 of the wireless LAN access point 20 (S26b). The configuration application unit 25 turns off the radio (S26b-1) (corresponding to S26a in FIG. 3). That is, the configuration application unit 25 stops wireless communication by the wireless communication unit 22. It should be noted that the wireless OFF (S26b-1) in the comparative example is performed even if the current setting content and the configuration transmitted by the configuration transmission unit 14 are the same.
　その後、コンフィグ適用（Ｓ２６ｃ）、無線通信の再開（無線ＯＮ）（Ｓ２６ｄ）、適用完了通知の送信（Ｓ２８）が図３と同様に、無線ＬＡＮアクセスポイント２０において行われる。 Thereafter, configuration application (S26c), resumption of wireless communication (wireless ON) (S26d), and transmission of an application completion notification (S28) are performed in the wireless LAN access point 20, as in FIG.
　さらに、無線ＬＡＮコントローラ１０の適用完了通知受信部１６は、適用完了通知を受信する（Ｓ１８）。 Furthermore, the application completion notification receiving unit 16 of the wireless LAN controller 10 receives the application completion notification (S18).
　図４に示す比較例によれば、現行設定内容とコンフィグ送信部１４により送信されるコンフィグとが同一であっても無線ＯＦＦ（Ｓ２６ｂ－１）が行われる。しかし、本発明の実施形態によれば、現行設定内容とコンフィグ送信部１４により送信されるコンフィグとが同一であれば、無線ＯＦＦ（Ｓ２６ａ）（図３参照）は行われないので、必要も無い無駄な無線ＯＦＦを回避できる。 According to the comparative example shown in FIG. 4, the wireless OFF (S26b-1) is performed even if the current setting content and the config transmitted by the config transmitter 14 are the same. However, according to the embodiment of the present invention, if the current setting content and the config transmitted by the config transmission unit 14 are the same, the wireless OFF (S26a) (see FIG. 3) is not performed, so there is no need. Useless wireless OFF can be avoided.
　また、上記の実施形態は、以下のようにして実現できる。ＣＰＵ、ハードディスク、メディア（フロッピー（登録商標）ディスク、ＣＤ－ＲＯＭなど）読み取り装置を備えたコンピュータに、上記の各部分、例えば無線ＬＡＮコントローラ１０または無線ＬＡＮアクセスポイント２０の各部分を実現するプログラムを記録したメディアを読み取らせて、ハードディスクにインストールする。このような方法でも、上記の機能を実現できる。 Further, the above embodiment can be realized as follows. A program that implements each of the above-described parts, for example, each part of the wireless LAN controller 10 or the wireless LAN access point 20, on a computer having a CPU, a hard disk, and a medium (floppy (registered trademark) disk, CD-ROM, etc.) reader. Read the recorded media and install it on the hard disk. Such a method can also realize the above functions.

Claims (8)

  1. 　無線ＬＡＮコントローラと、無線ＬＡＮアクセスポイントとを備える無線ＬＡＮシステムであって、
    　（１）前記無線ＬＡＮコントローラが、
    　前記無線ＬＡＮアクセスポイントに設定する設定内容を、前記無線ＬＡＮアクセスポイントに送信する設定内容送信部と、
    　前記設定内容のハッシュ値を前記無線ＬＡＮアクセスポイントに送信するハッシュ送信部と、
    　を有し、
    　（２）前記無線ＬＡＮアクセスポイントが、
    　前記無線ＬＡＮアクセスポイントの設定を行う設定部と、
    　既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、
    　無線ＬＡＮクライアントと通信を行う無線通信部と、
    　前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信部と、
    　前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較部と、
    　を有し、
    　前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する、
    　無線ＬＡＮシステム。     A wireless LAN system comprising a wireless LAN controller and a wireless LAN access point,
    (1) The wireless LAN controller is
    A setting content transmitting unit configured to transmit the setting content to be set to the wireless LAN access point to the wireless LAN access point;
    A hash transmitter that transmits a hash value of the setting content to the wireless LAN access point;
    Have
    (2) The wireless LAN access point is
    A setting unit configured to set the wireless LAN access point;
    A current setting content recording unit for recording the current setting content already set in the wireless LAN access point;
    A wireless communication unit for communicating with a wireless LAN client;
    A hash receiver for receiving a hash value of the setting content from the wireless LAN controller;
    A hash comparison unit that compares a current hash value that is a hash value of the current setting content with the received hash value;
    Have
    If the current hash value and the hash value match, the wireless LAN access point setting remains the current setting content, and communication by the wireless communication unit is continued.
    Wireless LAN system.
  2. 　請求項１に記載の無線ＬＡＮシステムであって、
    　前記無線ＬＡＮコントローラが、
    　前記無線ＬＡＮアクセスポイントから、前記設定内容送信部からの送信に沿った設定が前記無線ＬＡＮアクセスポイントにおいてなされている旨の設定完了通知を受信する設定完了通知受信部を備え、
    　前記設定内容送信部は、前記設定完了通知受信部が前記設定完了通知を受信した場合には、前記設定内容を送信しない、
    　無線ＬＡＮシステム。     The wireless LAN system according to claim 1,
    The wireless LAN controller is
    A setting completion notification receiving unit for receiving from the wireless LAN access point a setting completion notification indicating that the setting according to transmission from the setting content transmitting unit is made in the wireless LAN access point;
    The setting content transmitting unit does not transmit the setting content when the setting completion notification receiving unit receives the setting completion notification.
    Wireless LAN system.
  3. 　請求項１に記載の無線ＬＡＮシステムであって、
    　前記無線ＬＡＮアクセスポイントが、
    　前記現行ハッシュ値と前記ハッシュ値とが一致しない場合は、前記無線通信部による通信の停止後に、前記設定部が、前記無線ＬＡＮコントローラから受信した前記設定内容に沿って設定を行い、その後に前記無線通信部による通信が再開される、
    　無線ＬＡＮシステム。     The wireless LAN system according to claim 1,
    The wireless LAN access point is
    When the current hash value and the hash value do not match, after the communication by the wireless communication unit is stopped, the setting unit performs setting according to the setting content received from the wireless LAN controller, and thereafter Communication by the wireless communication unit is resumed.
    Wireless LAN system.
  4. 　無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、
    　前記無線ＬＡＮアクセスポイントの設定を行う設定部と、
    　既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、
    　無線ＬＡＮクライアントと通信を行う無線通信部と、
    　前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信部と、
    　前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較部と、
    　を備え、
    　前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する、
    　無線ＬＡＮアクセスポイント。     A wireless LAN access point that receives setting contents from a wireless LAN controller,
    A setting unit configured to set the wireless LAN access point;
    A current setting content recording unit for recording the current setting content already set in the wireless LAN access point;
    A wireless communication unit for communicating with a wireless LAN client;
    A hash receiver for receiving a hash value of the setting content from the wireless LAN controller;
    A hash comparison unit that compares a current hash value that is a hash value of the current setting content with the received hash value;
    With
    If the current hash value and the hash value match, the wireless LAN access point setting remains the current setting content, and communication by the wireless communication unit is continued.
    Wireless LAN access point.
  5. 　請求項４に記載の無線ＬＡＮアクセスポイントであって、
    　前記現行ハッシュ値と前記ハッシュ値とが一致しない場合は、前記無線通信部による通信の停止後に、前記設定部が、前記無線ＬＡＮコントローラから受信した前記設定内容に沿って設定を行い、その後に前記無線通信部による通信が再開される、
    　無線ＬＡＮアクセスポイント。     The wireless LAN access point according to claim 4,
    When the current hash value and the hash value do not match, after the communication by the wireless communication unit is stopped, the setting unit performs setting according to the setting content received from the wireless LAN controller, and thereafter Communication by the wireless communication unit is resumed.
    Wireless LAN access point.
  6. 　無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定を行う無線ＬＡＮアクセスポイント設定方法であって、
    　前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、
    　前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程と、
    　を備え、
    　前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する、
    　無線ＬＡＮアクセスポイント設定方法。     A wireless LAN access point that receives setting content from a wireless LAN controller, a setting unit that sets the wireless LAN access point, and current setting content that records the current setting content already set in the wireless LAN access point A wireless LAN access point setting method for performing setting in a wireless LAN access point having a recording unit and a wireless communication unit that communicates with a wireless LAN client,
    A hash receiving step of receiving a hash value of the setting content from the wireless LAN controller;
    A hash comparison step of comparing a current hash value that is a hash value of the current setting content with the received hash value;
    With
    If the current hash value and the hash value match, the wireless LAN access point setting remains the current setting content, and communication by the wireless communication unit is continued.
    Wireless LAN access point setting method.
  7. 　無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定処理をコンピュータに実行させるためのプログラムであって、
    　前記設定処理は、
    　前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、
    　前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程と、
    　を備え、
    　前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する、
    　プログラム。     A wireless LAN access point that receives setting content from a wireless LAN controller, a setting unit that sets the wireless LAN access point, and current setting content that records the current setting content already set in the wireless LAN access point A program for causing a computer to execute setting processing in a wireless LAN access point having a recording unit and a wireless communication unit that communicates with a wireless LAN client,
    The setting process includes
    A hash receiving step of receiving a hash value of the setting content from the wireless LAN controller;
    A hash comparison step of comparing a current hash value that is a hash value of the current setting content with the received hash value;
    With
    If the current hash value and the hash value match, the wireless LAN access point setting remains the current setting content, and communication by the wireless communication unit is continued.
    program.
  8. 　無線ＬＡＮコントローラから設定内容を受信する無線ＬＡＮアクセスポイントであって、前記無線ＬＡＮアクセスポイントの設定を行う設定部と、既に前記無線ＬＡＮアクセスポイントに設定されている現行設定内容を記録する現行設定内容記録部と、無線ＬＡＮクライアントと通信を行う無線通信部とを有する無線ＬＡＮアクセスポイントにおける設定処理をコンピュータに実行させるためのプログラムを記録したコンピュータによって読み取り可能な記録媒体であって、
    　前記設定処理は、
    　前記無線ＬＡＮコントローラから、前記設定内容のハッシュ値を受信するハッシュ受信工程と、
    　前記現行設定内容のハッシュ値である現行ハッシュ値と、受信した前記ハッシュ値とを比較するハッシュ比較工程と、
    　を備え、
    　前記現行ハッシュ値と前記ハッシュ値とが一致する場合には、前記無線ＬＡＮアクセスポイントの設定を前記現行設定内容のままとし、かつ前記無線通信部による通信を続行する、
    　記録媒体。     A wireless LAN access point that receives setting content from a wireless LAN controller, a setting unit that sets the wireless LAN access point, and current setting content that records the current setting content already set in the wireless LAN access point A computer-readable recording medium recording a program for causing a computer to execute setting processing in a wireless LAN access point having a recording unit and a wireless communication unit that communicates with a wireless LAN client,
    The setting process includes
    A hash receiving step of receiving a hash value of the setting content from the wireless LAN controller;
    A hash comparison step of comparing a current hash value that is a hash value of the current setting content with the received hash value;
    With
    If the current hash value and the hash value match, the wireless LAN access point setting remains the current setting content, and communication by the wireless communication unit is continued.
    recoding media.
PCT/JP2016/074199 2016-08-19 2016-08-19 Wireless lan system, wireless lan access point, wireless lan access point setting method, program, and recording medium WO2018033998A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006060464A (en) * 2004-08-19 2006-03-02 Fujitsu Ltd Wireless network communication control apparatus and network system
JP2015216587A (en) * 2014-05-13 2015-12-03 西日本電信電話株式会社 Control device, setting control system, setting control method and computer program
JP2016019021A (en) * 2014-07-04 2016-02-01 株式会社バッファロー Access point, information delivery method and access point control program

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006060464A (en) * 2004-08-19 2006-03-02 Fujitsu Ltd Wireless network communication control apparatus and network system
JP2015216587A (en) * 2014-05-13 2015-12-03 西日本電信電話株式会社 Control device, setting control system, setting control method and computer program
JP2016019021A (en) * 2014-07-04 2016-02-01 株式会社バッファロー Access point, information delivery method and access point control program

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