CN104349511B - The distribution method and device of AP addresses in wlan network - Google Patents

The distribution method and device of AP addresses in wlan network Download PDF

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Publication number
CN104349511B
CN104349511B CN201310330350.XA CN201310330350A CN104349511B CN 104349511 B CN104349511 B CN 104349511B CN 201310330350 A CN201310330350 A CN 201310330350A CN 104349511 B CN104349511 B CN 104349511B
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Prior art keywords
dhcp message
registered
sending
information
configuration data
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CN104349511A (en
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高波
张坚平
王懿
潘毅明
黄国瑾
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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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
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/60—Types of network addresses
    • H04L2101/618—Details of network addresses
    • H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses

Abstract

This disclosure relates in a kind of wlan network AP addresses distribution method and device.This method includes synchronous registered AP configuration data；The DHCP message of BAS forwardings is received, the attribute information for the AP for sending DHCP message is carried in the message；The AP attribute information for sending DHCP message is compared with the attribute information in configuration data；If the attribute information for the AP for sending DHCP message is included in configuration data, it is determined that the AP for sending DPCH messages is registered AP, otherwise, it determines being unregistered AP；AC information corresponding with the AP for sending DHCP message is obtained if the AP for sending DPCH messages is registered AP, in self-configuring data；Address is distributed to send the AP of DHCP message, while issues the AC information of acquisition.The disclosure can save VLAN resources, reduce maintenance difficulties, and make AP can flexible access to the AC specified, improve AC utilization rate.

Description

The distribution method and device of AP addresses in wlan network
Technical field
This disclosure relates to WLAN (Wireless Local Area Network, WLAN), especially, is related to one The distribution method and AP (Access Point, access point) address distributing device of AP addresses in kind wlan network.
Background technology
Traditional WAP gathers multiple functions, for example, physical layer, link layer, ciphering user data, use Certification, QoS (Quality of Service, service quality), security strategy, the management of user and other application level functions at family Deng.This kind of WAP is commonly called as " fat " AP.It is characterized in that configuration is flexible, installation is simple, cost-effective, but between each AP mutually Independently, seamless roam is unable between AP without the coordination system, user terminal, AP can not be perceived, can not be accomplished to launch between each other Power is mutually coordinated, therefore can not be adapted to that user density is high, the continuous complicated place of the environment such as covering of multiple AP.
Centralized Control type AC (Access controller, access controller)+AP is produced for this and (is commonly called as " thin " AP, below Abbreviation AP) equipment, coordinated by AC and Lightweight AP, realize the function of " fat " AP equipment.On partial function on " fat " AP AC is moved to realize.Its biggest advantage, which is to manage, to be simplified, and the network management platform of wlan device need to only manage Centralized Controller AC, so that it may which Lightweight AP is arrived in management indirectly, and this can significantly mitigate the pressure on backstage (such as network management platform).
Operator is substantially all at present uses centralized Control type AC+AP frameworks, and major part uses card insert type Large Copacity AC Equipment carrys out networking, and AC is using the side for concentrating the other extension BAS (Broadband Access Server, BAS Broadband Access Server) of deployment Method, as shown in Figure 1.
The working mechanism of centralized Control type AC+AP frameworks is：DHCP (Dynamic Host are initiated after the upper electricity of AP Configuration Protocol, DHCP) request, BAS is according to the VLAN (Virtual of the AP first line of a couplet Local Area Network, VLAN) the affiliated AC equipment of ID identifications, BAS can be by AP DHCP request message forwarding To corresponding AC equipment, AC interacts according to DHCP flows with AP, to legal AP distribution addresses and issues Option43 category Property (attribute contains active and standby AC addresses), AP establishes tunnel according to the main AC of acquisition address and AC, AP with regard to normal work, It is pointed out that some producers AC distributes address without being tested to AP.
Because BAS needs to identify AP and corresponding AC equipment according to the VLAN ID of the AP first line of a couplet, therefore different AC institutes are right The AP answered needs to distribute different VLAN, and what it is due to operator's operation is full-service, the VLAN resource-constraineds of access network, is distributed to The VLAN numbers of WLAN business are few, and this has resulted in other extension BAS AC limited amounts, i.e. AP limited amounts, result in WLAN nets Network capacity is limited, and have impact on the extensive development of wlan network, finally have impact on the covering of wlan network and building for wireless city If；Meanwhile the VLAN of the AP first line of a couplet corresponding to different AC is different, configuration and maintenance to access network VLAN and BAS bring difficulty, Workload is added, and easily causes error.
The content of the invention
The disclosure is in view of at least one in problem above proposes new technical scheme.
The disclosure provides a kind of distribution method of AP addresses in wlan network in terms of one, and it can save VLAN Resource, maintenance difficulties are reduced, and improve AC utilization rate.
The disclosure provides a kind of AP address distributing devices in its another aspect, and it can save VLAN resources, reduce dimension Difficulty is protected, and improves AC utilization rate.
According to the disclosure, there is provided the distribution method of AP addresses in a kind of wlan network, including：
Synchronous registered access point AP configuration data, configuration data include registered AP attribute information and corresponding AC The corresponding relation of information；
The DHCP message of Service Gateway forwarding is received, the attribute information for the AP for sending DHCP message is carried in DHCP message；
The attribute information for the AP for sending DHCP message is compared with the attribute information of registered AP in configuration data；
If the attribute information for the AP for sending DHCP message is included in configuration data, it is determined that the AP for sending DHCP message is Registered AP, otherwise, it determines being unregistered AP；
AP pairs with transmission DHCP message is obtained if the AP for sending DHCP message is registered AP, in self-configuring data The AC information answered；
Address is distributed to send the AP of DHCP message, while issues the AC information of acquisition.
In some embodiments of the present disclosure, registered AP attribute information includes AP MAC Address and/or sequence number, AC information includes AC address list.
In some embodiments of the present disclosure, will send DHCP message AP attribute information and configuration data in it is registered The step of AP attribute information is compared be specially：
It is compared using two AP MAC Address or is compared using two AP sequence number.
In some embodiments of the present disclosure, this method also includes：
If the AP for sending DHCP message is unregistered AP, abandons DHCP message or specify ground for unregistered AP distribution Location.
According to the disclosure, a kind of AP address distributing devices are additionally provided, including：
Configuration data synchronization unit, for synchronous registered access point AP configuration data, configuration data includes having noted Volume AP attribute information and the corresponding relation of corresponding AC information；
Message receiving unit, for receiving the DHCP message of Service Gateway forwarding, carried in DHCP message and send DHCP reports The AP of text attribute information；
Comparing unit, for the attribute of registered AP in the AP of transmission DHCP message attribute information and configuration data to be believed Breath is compared, if including the attribute information for the AP for sending DHCP message in configuration data, it is determined that send DHCP message AP is registered AP, otherwise, it determines being unregistered AP；
AC information acquisition units, if being registered AP for the AP for sending DHCP message, obtained in self-configuring data AC information corresponding with the AP of transmission DHCP message；
Allocation unit, for distributing address to send the AP of DHCP message, while issue the AC information of acquisition.
In some embodiments of the present disclosure, registered AP attribute information includes AP MAC Address and/or sequence number, AC information includes AC address list.
In some embodiments of the present disclosure, comparing unit is compared or utilized two using two AP MAC Address AP sequence number is compared.
In some embodiments of the present disclosure, device also includes：
Unregistered AP processing units, if for send DHCP message AP be unregistered AP, discarding DHCP message or Distributed for unregistered AP and specify address.
In the technical scheme of the disclosure, AP address distributing devices obtain registered AP configuration data first, then will The AP carried in DHCP message attribute information is matched with the attribute information of registered AP in the configuration data synchronously come, such as Fruit finds the AP attribute informations to match, it is determined that it is registered to send the AP of DHCP message, while address is distributed for it under The AC of hair corresponding thereto information.Thus without different AC is bound from different VLAN, eliminate to VLAN Dependence so that the AP in whole network can use identical VLAN, VLAN resources be saved, simultaneously because only needing to safeguard Registered AP and the corresponding relation of corresponding AC information, significantly reduce the VLAN configurations, Service Gateway configuration and maintenance of the AP first line of a couplet Difficulty.Further, since AP and AC corresponding relation is planned in advance, and the correspondence can be synchronized to by address distributing device and closed System, therefore, AP can neatly be linked into the AC specified, improve AC utilization rate.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the disclosure, forms the part of the application.Attached In figure：
Fig. 1 is the principle schematic of AP addresses distribution in the prior art.
Fig. 2 is the principle schematic that AP addresses are distributed in the disclosure.
Fig. 3 be disclosure one embodiment wlan network in AP addresses distribution method schematic flow sheet.
Fig. 4 be another embodiment of the disclosure wlan network in AP addresses distribution method schematic flow sheet.
Fig. 5 to Fig. 7 is the schematic diagram of an example of option43 attributes in the disclosure.
Fig. 8 is the structural representation of the AP address distributing devices of disclosure one embodiment.
Fig. 9 is the structural representation of the AP address distributing devices of another embodiment of the disclosure.
Figure 10 be disclosure one embodiment wlan network in AP addresses distribution system structural representation.
Embodiment
The disclosure is described below with reference to accompanying drawings.It should be noted that following description is only explanatory in itself and shown Example property, never as to the disclosure and its application or any restrictions used.Unless stated otherwise, otherwise, implementing The part and the positioned opposite and numerical expression and numerical value of step illustrated in example is not intended to limit the scope of the present disclosure.In addition, Technology well known by persons skilled in the art, method and apparatus may not be discussed in detail, but be meant as in appropriate circumstances Part for specification.
In order to solve the problems of the prior art, the following embodiments of the disclosure in existing Fig. 1 systems with adding AP Location distributor, as shown in Fig. 2 realizing issuing for distribution to AP addresses and AC lists by the device.BAS is each by each producer The DHCP message for the AP that AC is managed uniformly is forwarded to AP address distributing devices, identifies registered AP's by AP address distributing devices Producer and corresponding AC (can include main AC and standby AC), address and corresponding AC lists are distributed for each AP；Handle maintenance simultaneously The address distribution of staff terminal and the DHCP message of other illegal terminals are handled.So, AP corresponding to each AC can be used identical VLAN, BAS eliminates the demand to VLAN resources also without the VLAN for identifying AP again, meanwhile, simplify VLAN and BAS Configuration, improve the efficiency of maintenance.
It is pointed out that the AP in the following embodiments of the disclosure is thin AP.
Fig. 3 be disclosure one embodiment wlan network in AP addresses distribution method schematic flow sheet.
As shown in figure 3, the embodiment may comprise steps of：
S302, synchronous registered access point AP configuration data, registered AP can be included but is not limited in configuration data The attribute information of (being properly termed as again " legal AP ") and the corresponding relation of corresponding AC information；
Specifically, after each AP deployment is finished or updated, AP address distributing devices can be from WLAN webmasters/resource pipe The registered each AP of system synchronization configuration data is managed, whether is to have noted with the AP for judging to send DHCP message according to the configuration data Volume AP.
Wherein, registered AP attribute information can include but is not limited to AP MAC (Medium Access Control, Medium education) address and/or sequence number, AC information can include but is not limited to AC address list, in the address list In can list multiple ACs corresponding with same AP address, address that can be including main AC and one or more standby AC's Address, in the case of disabled in main AC addresses, standby AC address can be directly initiated.
S304, the DHCP message of Service Gateway forwarding is received, carry the AP's of transmission DHCP message in the DHCP message Attribute information, it may determine that whether the AP for sending DHCP message is registered AP using the attribute information.
S306, the attribute information of registered AP in the attribute information for the AP for sending DHCP message and configuration data is compared It is right.
S308, if including the attribute information for the AP for sending DHCP message in configuration data, it is determined that send DHCP message AP be registered AP, otherwise, it determines the AP is unregistered AP.
S310, if the AP for sending DHCP message is registered AP, obtained in self-configuring data with sending DHCP message AP corresponding to AC information；
S312, address is distributed to send the AP of DHCP message, while issue the AC information of acquisition, wherein, both can be AP It can also be that address is specified in AP distribution to be randomly assigned address, i.e. same AP is fixed and used some address.
In this embodiment, AP address distributing devices obtain registered AP configuration data first, then by DHCP message The AP of middle carrying attribute information is matched with the attribute information of registered AP in the configuration data synchronously come, if finding phase The AP attribute informations of matching, it is determined that it is registered to send the AP of DHCP message, is issued and its phase while address is distributed for it Corresponding AC information.Different AC need not thus be bound from different VLAN, eliminate the dependence to VLAN, Allow the AP in whole network to use identical VLAN, save VLAN resources, simultaneously because only needing to safeguard registered AP With the corresponding relation of corresponding AC information, the VLAN configurations, Service Gateway configuration and maintenance difficulties of the AP first line of a couplet are significantly reduced.This Outside, because AP and AC corresponding relation is planned in advance, and the corresponding relation can be synchronized to by address distributing device, because This, AP can neatly be linked into the AC specified, improve AC utilization rate.
Further, in step S306, due to MAC Address and AP sequence number can unique mark AP, therefore both It can be compared, can also be compared using two AP sequence number using two AP MAC Address.
After step S308, if it is determined that the AP for going out to send DHCP message is unregistered AP, then can abandon DHCP reports Text specifies address for unregistered AP distribution, to focus on these unregistered AP.
Next, above-described embodiment is further illustrated by an instantiation.
Fig. 4 be another embodiment of the disclosure wlan network in AP addresses distribution method schematic flow sheet.
As shown in figure 4, the embodiment may comprise steps of：
S402, AP address distributing device receive the DHCP message that Service Gateway (that is, BAS) forwards；
S404, by the AP configuration datas that synchronously come with WLAN webmasters/resource management system (for example, MAC Address, sequence Row number etc.) compare, it is determined whether for registration AP；
S406, then can be by one particular address section of the DHCP message received discarding or distribution if non-registered AP Address；
S408, if registration AP, then the AP configuration datas synchronously to be come by WLAN webmasters or resource management system are known The information such as AC information (address information that active and standby AC can be included) corresponding with the AP and producer；
S410, the option43 attributes of the AP are built according to specific producer, AC lists are carried in the attribute；With China three Exemplified by AP option43 attributes, each field of the attribute is as shown in Figure 5-Figure 7；
S412, AP address distributing device are that the AP distributes address, while issue option43 attributes, and AP is by receiving Option43 attributes obtain AC addresses, and such AP could active and AC connection setups tunnel.
It will appreciated by the skilled person that realize that the whole of above method embodiment and part steps can pass through Programmed instruction related hardware is completed, and foregoing program can be stored in a computing device read/write memory medium, the journey Sequence upon execution, execution the step of including above method embodiment, and foregoing storage medium can be including ROM, RAM, magnetic disc With CD etc. is various can be with the medium of store program codes.
Fig. 8 is the structural representation of the AP address distributing devices of disclosure one embodiment.
As shown in figure 8, the device 80 in the embodiment can include configuration data synchronization unit 802, message receiving unit 804th, comparing unit 806, AC information acquisition units 808 and allocation unit 810.Wherein,
Configuration data synchronization unit 802, for synchronous registered access point AP configuration data, configuration data is included Register AP attribute information and the corresponding relation of corresponding AC information；
Wherein, registered AP attribute information includes AP MAC Address and/or sequence number, and AC information includes AC address List；
Message receiving unit 804, for receiving the DHCP message of Service Gateway forwarding, carried in DHCP message and send DHCP The AP of message attribute information；
Comparing unit 806, for the attribute information and the category of registered AP in configuration data that will send the AP of DHCP message Property information be compared, if in configuration data comprising send DHCP message AP attribute information, it is determined that send DHCP report The AP of text is registered AP, otherwise, it determines being unregistered AP；
AC information acquisition units 808, if being registered AP for the AP for sending DHCP message, obtained in self-configuring data Take AC information corresponding with the AP for sending DHCP message；
Allocation unit 810, for distributing address to send the AP of DHCP message, while issue the AC information of acquisition.
In this embodiment, AP address distributing devices obtain registered AP configuration data first, then by DHCP message The AP of middle carrying attribute information is matched with the attribute information of registered AP in the configuration data synchronously come, if finding phase The AP attribute informations of matching, it is determined that it is registered to send the AP of DHCP message, is issued and its phase while address is distributed for it Corresponding AC information.Different AC need not thus be bound from different VLAN, eliminate the dependence to VLAN, Allow the AP in whole network to use identical VLAN, save VLAN resources, simultaneously because only needing to safeguard registered AP With the corresponding relation of corresponding AC information, the VLAN configurations, Service Gateway configuration and maintenance difficulties of the AP first line of a couplet are significantly reduced.This Outside, because AP and AC corresponding relation is planned in advance, and the corresponding relation can be synchronized to by address distributing device, because This, AP can neatly be linked into the AC specified, improve AC utilization rate.
Further, comparing unit can be compared or the sequence number using two AP using two AP MAC Address It is compared.
Fig. 9 is the structural representation of the AP address distributing devices of another embodiment of the disclosure.
As shown in figure 9, compared with the embodiment in Fig. 8, the device 90 in the embodiment can also include at unregistered AP Unit 902 is managed, if being unregistered AP for the AP for sending DHCP message, DHCP message is abandoned or refers to for unregistered AP distribution Determine address.
Figure 10 be disclosure one embodiment wlan network in AP addresses distribution system structural representation.
As shown in Figure 10, the system 100 in the embodiment can include Service Gateway 1002, AP1004, AC 1006, WLAN webmasters/resource management system 1008 and AP address distributing devices 1010, wherein, AP address distributing devices 1010 are distinguished Interacted with Service Gateway 1002 and WLAN webmasters/resource management system 1008, Service Gateway 1002 respectively with AC 1006 and AP 1004 interactions.
In addition, AP address distributing devices 1010 can be realized by previous embodiment.And the device can also be with maintenance Terminal is connected.
Specifically, the interface of AP address distributing devices and maintenance terminal, daily pipe is carried out to the present apparatus for attendant Reason and configuration, the interface can use HTTP/HTTPS protocol communications；With WLAN webmasters/resource management system interface, for same The AP configuration datas of WLAN network management systems/resource management system are walked, for example, AP attribute information (can include MAC Address, sequence Row number etc.) and corresponding AC facility informations (for example, AC addresses etc.), to know the specifying information of legal AP, the interface can be adopted Led to WebService/SNMP (Simple Network Management Protocol, Simple Network Management Protocol) agreement Letter；With Service Gateway (BAS) interface, for receiving AP that BAS forwards and other terminals DHCP message, the interface can be with Communicated using DHCP protocol.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and its The difference of his embodiment, identical and similar part can be with cross-reference between each embodiment.For device embodiment For, because it is substantially similar to embodiment of the method, so description is fairly simple, related part may refer to embodiment of the method Partial explanation.
Although describe the disclosure with reference to exemplary embodiment, it should be appreciated that the disclosure is not limited to above-mentioned exemplary Embodiment.It will be obvious to those skilled in the art that it can be changed under conditions of without departing substantially from the scope of the present disclosure and spirit Exemplary embodiments mentioned above.The scope of appended claim should be endowed most wide explanation, such to be repaiied comprising all Change and equivalent 26S Proteasome Structure and Function.

Claims (6)

  1. A kind of 1. distribution method of AP addresses in wlan network, it is characterised in that including：
    Synchronous registered access point AP configuration data, the configuration data include registered AP attribute information with accordingly connecing Enter the corresponding relation of controller AC information；
    The DHCP message of Service Gateway forwarding is received, the attribute letter for the AP for sending the DHCP message is carried in the DHCP message Breath；
    The attribute information of the attribute information for the AP for sending the DHCP message and registered AP in the configuration data is compared It is right；
    If the attribute information for the AP for sending the DHCP message is included in the configuration data, it is determined that send the DHCP reports The AP of text is registered AP, otherwise, it determines being unregistered AP；
    If the AP for sending the DHCP message is registered AP, obtains from the configuration data and reported with sending the DHCP AC information corresponding to the AP of text；
    Address is distributed to send the AP of the DHCP message, while issues the AC information of acquisition；
    If the AP for sending the DHCP message is unregistered AP, abandons the DHCP message or distributed for the unregistered AP Specify address.
  2. 2. the distribution method of AP addresses in wlan network according to claim 1, it is characterised in that the registered AP's Attribute information includes AP MAC Address and/or sequence number, and the AC information includes AC address list.
  3. 3. the distribution method of AP addresses in wlan network according to claim 2, it is characterised in that described by described in transmission The step of AP of DHCP message attribute information is compared with the attribute information of registered AP in the configuration data be specially：
    It is compared using two AP MAC Address or is compared using two AP sequence number.
  4. A kind of 4. AP address distributing devices, it is characterised in that including：
    Configuration data synchronization unit, for synchronous registered access point AP configuration data, the configuration data includes having noted Volume AP attribute information and the corresponding relation of corresponding access controller AC information；
    Message receiving unit, for receiving the DHCP message of Service Gateway forwarding, carried in the DHCP message described in sending The AP of DHCP message attribute information；
    Comparing unit, for the category of the AP of the DHCP message attribute information and registered AP in the configuration data will to be sent Property information be compared, if including the attribute information for the AP for sending the DHCP message in the configuration data, it is determined that hair The AP for sending the DHCP message is registered AP, otherwise, it determines being unregistered AP；
    AC information acquisition units, if being registered AP for the AP for sending the DHCP message, from the configuration data Obtain AC information corresponding with the AP for sending the DHCP message；
    Allocation unit, for distributing address to send the AP of the DHCP message, while issue the AC information of acquisition；
    Unregistered AP processing units, if being unregistered AP for the AP for sending the DHCP message, abandon the DHCP reports Text specifies address for the unregistered AP distribution.
  5. 5. AP address distributing devices according to claim 4, it is characterised in that the attribute information of the registered AP includes AP MAC Address and/or sequence number, the AC information include AC address list.
  6. 6. AP address distributing devices according to claim 5, it is characterised in that the comparing unit utilizes two AP's MAC Address is compared or is compared using two AP sequence number.
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CN105472628B (en) * 2015-11-19 2017-11-10 华讯方舟科技有限公司 Extend the method and device of WLAN ID numbers
CN109391702A (en) * 2017-08-08 2019-02-26 中国电信股份有限公司 AC address distribution method, device and system
CN107613490B (en) * 2017-10-12 2020-10-30 上海斐讯数据通信技术有限公司 AP rapid declaration registration method and AC controller
CN107770802B (en) * 2017-10-26 2020-09-18 上海斐讯数据通信技术有限公司 AP (Access Point) equipment, AC (Access controller) and automatic online declaration registration method thereof
CN109767533B (en) * 2019-01-14 2021-02-19 深圳前海微众银行股份有限公司 Automatic registration method and device for shopping cart electronic lock, gateway equipment and medium
CN111698340B (en) * 2020-04-23 2023-04-07 新华三技术有限公司 Wireless service providing method, device, electronic equipment and storage medium

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