CN110012084B - Equipment identification method, device, system and storage medium - Google Patents

Equipment identification method, device, system and storage medium Download PDF

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CN110012084B
CN110012084B CN201910234313.6A CN201910234313A CN110012084B CN 110012084 B CN110012084 B CN 110012084B CN 201910234313 A CN201910234313 A CN 201910234313A CN 110012084 B CN110012084 B CN 110012084B
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bras
equipment
attribute information
request message
authentication
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CN110012084A (en
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周立元
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New H3C Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H04L12/287—Remote access server, e.g. BRAS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required 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
    • H04L2101/69—Types of network addresses using geographic information, e.g. room number

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The disclosure provides a device identification method, device, system and storage medium, and relates to the technical field of communication. The method comprises the following steps: receiving an authentication request message sent by BRAS-CP equipment, wherein the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment; and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information. Through the technical scheme, the authentication server can identify the position information of the BRAS-DP equipment which is currently accessed to the authentication, so that when a problem occurs in the process that a certain BRAS-DP equipment is accessed to the network, the problem area can be quickly positioned, and the problem can be quickly solved.

Description

Equipment identification method, device, system and storage medium
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a device identification method, apparatus, system, and storage medium.
Background
A BRAS (Broadband Remote Access Server) is used as an Access gateway of a user and an edge of an IP network, and since a control plane and a forwarding plane are tightly coupled together, performance processing is affected with each other, performance of the control plane and the forwarding plane cannot be fully exerted, and resource utilization rate is low. In order to solve the above problems, a virtualized BRAS with a separate control plane and forwarding plane is proposed at present, i.e. a vbars architecture; the Control Plane is realized by BRAS-CP (BRAS Control Plane, broadband remote access server Control Plane, i.e. Control Plane in a transfer Control separation vBRAS system) equipment; the forwarding Plane can be realized by BRAS-DP (BRAS Date Plane, a forwarding Plane of a broadband remote access server, that is, a forwarding Plane in a transfer control separation vBRAS system); meanwhile, the BRAS-CP equipment is connected with a remote authentication Server (Radius Server) and at least one BRAS-DP equipment, and the BRAS-CP equipment receives an access network authentication request sent by a user through the BRAS-DP equipment and performs data interaction with the authentication Server to realize functions of access control, authentication authorization, charging and the like of the user.
However, in the current transfer control separation vBRAS system, because the authentication server is not directly connected with the BRAS-DP equipment, when the corresponding function is completed by data interaction with the BRAS-CP equipment, the corresponding BRAS-DP equipment cannot be identified, and particularly when a problem occurs in the process that a certain BRAS-DP equipment is accessed into a network, the corresponding BRAS-DP equipment cannot be quickly positioned, so that the problem cannot be quickly solved by quickly determining the area with the problem.
Disclosure of Invention
The present disclosure is directed to a device identification method, apparatus, system and storage medium, which at least to a first extent solves one of the above technical problems.
In order to achieve the above object, a first aspect of the present disclosure provides a device identification method, applied to an authentication server, where the authentication server is connected to a broadband remote access server control plane BRAS-CP device, and the BRAS-CP device is connected to at least one broadband remote access server forwarding plane BRAS-DP device, where the method includes:
receiving an authentication request message sent by BRAS-CP equipment, wherein the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment;
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information.
In order to achieve the above object, a second aspect of the present disclosure provides an apparatus for identifying a device, which is applied to an authentication server, the apparatus including:
the device comprises a receiving unit, a sending unit and a sending unit, wherein the receiving unit is used for receiving an authentication request message sent by BRAS-CP equipment, the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment;
and the identification unit is used for determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information.
To achieve the above object, a third aspect of the present disclosure provides an apparatus identification system, including: the system comprises an authentication server, broadband remote access server control plane (BRAS-CP) equipment connected with the authentication server, and at least one BRAS-DP equipment connected with the BRAS-CP equipment.
To achieve the above object, a fourth aspect of the present disclosure provides a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement the method of the first aspect of the present disclosure.
In the technical scheme of the disclosure, at least the following technical effects exist:
the authentication server can identify the position information of the BRAS-DP equipment which is currently accessed and authenticated according to the received authentication request message, so that when a problem occurs in the process that a certain BRAS-DP equipment is accessed to the network, the corresponding BRAS-DP equipment can be quickly positioned, and the problem can be quickly solved by quickly determining the area with the problem.
Additional aspects and advantages of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a block diagram of an apparatus identification system according to an embodiment of the present disclosure;
fig. 2 is a flow chart of a device identification method according to an embodiment of the present disclosure;
fig. 3 is a block diagram of an apparatus identification device according to an embodiment of the present disclosure.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 is a schematic diagram of an apparatus identification system according to an embodiment of the present disclosure, as shown in fig. 1, the system includes: authentication Server (Radius Server), broadband remote access Server control plane BRAS-CP equipment, at least one broadband remote access Server forwarding plane BRAS-DP equipment;
the method comprises the steps that an authentication server is connected with BRAS-CP equipment, the BRAS-CP equipment is connected with at least one BRAS-DP equipment, and the BRAS-CP equipment performs data interaction with the authentication server when receiving an access network request message sent by the BRAS-DP equipment to finish operations such as access network authentication, authorization, flow charging and the like.
Based on the above system, the following provides an embodiment of the device identification method provided by the present disclosure.
Fig. 2 is a flowchart of a device identification method according to an embodiment of the present disclosure, applied to an authentication server, as shown in fig. 2, where the method includes the following steps:
step 101: receiving an authentication request message sent by BRAS-CP equipment, wherein the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment;
specifically, when the BRAS-CP equipment receives an access network request message sent by the BRAS-DP equipment, a first attribute of the BRAS-CP equipment is obtained, an authentication request message carrying the first attribute is generated, and the generated authentication request message is sent to an authentication server so that the authentication server can identify the position information of the BRAS-DP equipment according to the first attribute.
Step 102: and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information.
In one embodiment of the disclosure, the first attribute comprises an IP address, and the IP address is obtained by the BRAS-CP device according to an access network request message sent by the BRAS-DP device;
accordingly, step 102 includes:
step A1: acquiring a corresponding equipment identifier in the corresponding relation between the IP address and the equipment identifier according to the IP address;
in the embodiment, the corresponding relation between the IP address of the BRAS-DP equipment and the equipment identification (DP Identifier) is preset and stored in the authentication server in the form of a first corresponding relation table; when the authentication server receives an authentication request message sent by BRAS-CP equipment, acquiring a corresponding equipment identifier in the corresponding relation between the IP address and the equipment identifier contained in the first corresponding relation table according to the IP address contained in the authentication request message; the device identification is preferably a number within a preset range; for example, the device identifiers are numbers between 1024 to 1279, and the first correspondence table is shown as the following table:
DP IP Address DP Identifier
10.1.1.10 1024
20.1.1.2 1025
31.1.1.2 1026
…… ……
…… ……
…… ……
Step A2: and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the acquired equipment identification and the corresponding relation between the equipment identification and the position information.
In the embodiment, when the BRAS-DP equipment is laid, the position information of the BRAS-DP equipment is determined, the corresponding relation between the equipment identifier of the BRAS-DP equipment and the position information is established, and the equipment identifier and the position information are stored in the authentication server in the form of a second corresponding relation table; and when the authentication server receives an authentication request message sent by the BRAS-CP equipment, acquiring a corresponding equipment identifier according to the IP address contained in the authentication request message, and acquiring corresponding position information according to the acquired equipment identifier in the corresponding relation between the equipment identifier and the position information contained in the second corresponding relation table. In this embodiment, taking the example of laying the BRAS-DP device in a laboratory and a classroom of a campus as an example, the second correspondence table is shown in the following table:
Figure BDA0002007679410000041
Figure BDA0002007679410000051
therefore, when the authentication server receives the authentication request message, the authentication server can determine the position information of the BRAS-DP equipment according to the IP address of the BRAS-DP equipment contained in the authentication request message; when a problem occurs in the process that a certain BRAS-DP device is accessed to a network, the BRAS-DP device can be quickly positioned, the area where the BRAS-DP device is located is determined, and then the problem is quickly solved. As an example, when a problem occurs in the process of accessing the BRAS-DP device with the IP address of 20.1.1.2 to the network, the authentication server can acquire the corresponding device identifier 1025 according to the IP address 20.1.1.2, and can acquire the corresponding location information according to the device identifier 1025 as the laboratory 2, so that the problem occurring in the BRAS-DP device in the laboratory 2 when accessing the network can be quickly determined, and further, relevant personnel can directly go to the laboratory 2 to solve the problem without performing successive troubleshooting on each laboratory, classroom and the like where the BRAS-DP device is deployed, which is beneficial to quickly solving the problem.
In one embodiment of the present disclosure, the first attribute includes a device identifier, where the device identifier is obtained by a BRAS-CP device according to an access network request packet sent by a BRAS-DP device;
accordingly, step 102 includes: and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the equipment identification and the corresponding relation between the equipment identification and the position information. The specific implementation process is the same as the implementation process of the step a2, and is not described herein again.
Further, the acquiring, by the BRAS-CP device, the device identifier according to the access network request packet sent by the BRAS-DP device includes: the BRAS-CP equipment acquires the IP address of the BRAS-DP equipment according to an access network request message sent by the BRAS-DP equipment; and acquiring a corresponding equipment identifier in the corresponding relation between the IP address and the equipment identifier according to the IP address.
Specifically, the corresponding relation between the IP address of the BRAS-DP equipment and the equipment identification (DP Identifier) is preset and stored in the BRAS-CP equipment in the form of the first corresponding relation table; when the BRAS-CP equipment receives an access network request message sent by the BRAS-DP equipment, the IP address of the BRAS-DP equipment is obtained, and a corresponding equipment identifier is obtained from the corresponding relation between the IP address contained in the first corresponding relation table and the equipment identifier according to the obtained IP address; and generating an authentication request message carrying the equipment identifier, and sending the authentication request message to an authentication server so that the authentication server can determine the position relationship of the BRAS-DP equipment according to the equipment identifier.
Based on any of the above embodiments, in an embodiment of the present disclosure, a BRAS-CP device generates an authentication request packet according to first attribute information, including:
step C1: the BRAS-CP equipment analyzes an access network request message sent by the BRAS-DP equipment to obtain second attribute information;
the second attribute information is used for identifying interface information corresponding to a user, and is specifically an NAS-Port-Id attribute which is a slot/subslot/Port three-dimensional structure, wherein the slot is a slot number and is used for identifying an interface board adopted when the user accesses a network; subslot is a subslot number and is used for identifying a daughter card in an interface board adopted when a user accesses a network; a port is interface information.
Further, the BRAS-CP device analyzes an access network request message sent by the BRAS-DP device, and obtains authentication information.
Step C2: the BRAS-CP equipment interpenetrates the first attribute information to a preset position of the second attribute information;
the preset position can be set in practical application according to needs; for example, the preset position is in front of the slot information, that is, after the first attribute information is punctured into the second attribute information, the obtained current second attribute information is a DP Identifier/slot/subslot/port four-dimensional structure.
Step C3: and the BRAS-CP equipment generates an authentication request message according to the current second attribute information.
Specifically, the BRAS-CP device generates an authentication request message according to the authentication information obtained by analysis, the current second attribute information, the third attribute information of the BRAS-CP device, and the like; and the third attribute information is used for identifying the BRAS-CP equipment as the BRAS-CP equipment separated by transfer control.
Further, the format of the authentication request message may be set by itself in practical application according to needs, for example, the format of the authentication request message is formed by sequentially splicing the authentication information, the current second attribute information, and the third attribute information.
Based on the above embodiment, in an embodiment of the present application, the method further includes:
the authentication server analyzes an authentication request message sent by the BRAS-CP equipment to obtain third attribute information;
and the authentication server determines the BRAS-CP equipment as the BRAS-CP equipment separated by transfer control according to the third attribute information.
Therefore, in the vBRAS architecture, the authentication server obtains first attribute information by analyzing an authentication request message sent by the BRAS-CP equipment, so that the address information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment can be determined according to the first attribute information; and furthermore, when a problem occurs in the process of accessing a certain BRAS-DP equipment to the network, the problem area can be quickly positioned, and the problem can be quickly solved.
In order to more easily understand the technical solution in the present disclosure, the following provides a specific embodiment in which a BRAS-CP device performs data interaction with an authentication server, where the method includes:
step 201: the BRAS-CP equipment receives an access network request message sent by the BRAS-DP equipment;
step 202: the BRAS-CP equipment acquires first attribute information of the BRAS-DP equipment according to the received access network request message;
step 203: the BRAS-CP equipment analyzes the received access network request message to obtain second attribute information and authentication information;
step 204: the BRAS-CP equipment interpenetrates the first attribute information to a preset position of the second attribute information;
step 205: the BRAS-CP equipment generates an authentication request message according to the obtained authentication information, the current second attribute information and the third attribute information of the BRAS-CP equipment;
step 206: the BRAS-CP equipment sends an authentication request message to an authentication server;
step 207: the authentication server analyzes the received authentication request message to obtain third attribute information;
step 208: the authentication server determines the BRAS-CP equipment as the BRAS-CP equipment separated by transfer control according to the third attribute information, and reads the first attribute information in the authentication request message;
step 209: and the authentication server determines the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the read first attribute information.
The above is an apparatus identification method provided in the embodiment of the present application, and corresponding to the above method, the present disclosure also provides an apparatus identification device, and since an implementation scheme for solving the problem of the device is similar to the above method, corresponding contents to the method part may refer to the detailed description of the above method embodiment, and are not repeated in the following. It is understood that the apparatus provided in the present application may include a unit or a module capable of performing each step in the above method examples, and the unit or the module may be implemented by hardware, software or a combination of hardware and software, and the present disclosure is not limited thereto. This is described in more detail below with reference to fig. 3.
Fig. 3 is a schematic diagram of an apparatus identification device according to an embodiment of the present application, applied to an authentication server, as shown in fig. 3, the device includes:
a receiving unit 301, configured to receive an authentication request packet sent by a BRAS-CP device, where the authentication request packet is generated by the BRAS-CP device according to first attribute information, and the first attribute information is used to identify a unique BRAS-DP device;
an identifying unit 302, configured to determine location information of a BRAS-DP device accessing a network through the BRAS-CP device according to the first attribute information.
In one embodiment of the present disclosure, the first attribute information includes an IP address, and the IP address is obtained by the BRAS-CP device according to an access network request message sent by the BRAS-DP device;
correspondingly, the identifying unit 302 is specifically configured to:
acquiring a corresponding equipment identifier in the corresponding relation between the IP address and the equipment identifier according to the IP address;
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the equipment identification and the corresponding relation between the equipment identification and the position information.
In one embodiment of the present disclosure, the first attribute information includes a device identifier, where the device identifier is obtained by the BRAS-CP device according to an access network request packet sent by the BRAS-DP device;
correspondingly, the identifying unit 302 is specifically configured to:
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the equipment identification and the corresponding relation between the equipment identification and the position information.
In one embodiment of the present disclosure, the apparatus further comprises:
the analysis unit is used for analyzing the authentication request message to obtain third attribute information;
and the determining unit is used for determining the BRAS-CP equipment as the BRAS-CP equipment separated by transfer control according to the third attribute information.
The device identification apparatus provided by the embodiment of the present disclosure has the same effect as the device identification method provided by the foregoing embodiment, based on the same inventive concept.
Furthermore, to implement the above embodiments, an embodiment of the present disclosure also provides a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement the device identification method of any of the preceding embodiments.
A machine-readable storage medium may be any electronic, magnetic, optical, or other physical storage device that can contain or store information such as executable instructions, data, and so forth. For example, the machine-readable storage medium may be: a RAM (random access Memory), a volatile Memory, a non-volatile Memory, a flash Memory, a storage drive (e.g., a hard drive), a solid state drive, any type of storage disk (e.g., an optical disk, a dvd, etc.), or similar storage medium, or a combination thereof.
It should be noted that:
the system, module or unit illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. A typical implementation device is a computer, which may be embodied in the form of a personal computer, laptop computer, personal digital assistant, tablet computer, wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the various elements may be implemented in the same one or more software and/or hardware implementations in practicing the disclosure.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus (system), or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the disclosed embodiments may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, systems, and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Furthermore, these computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (9)

1. A device identification method is applied to an authentication server, the authentication server is connected with broadband remote access server control plane (BRAS-CP) equipment, the BRAS-CP equipment is connected with at least one broadband remote access server forwarding plane (BRAS-DP) equipment, and the method comprises the following steps:
receiving an authentication request message sent by BRAS-CP equipment, wherein the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment;
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information.
2. The method of claim 1, wherein the first attribute information includes an IP address, and the IP address is obtained by the BRAS-CP device according to an access network request message sent by the BRAS-DP device;
the determining the position information of the BRAS-DP device accessing the network through the BRAS-CP device according to the first attribute information includes:
acquiring a corresponding equipment identifier in the corresponding relation between the IP address and the equipment identifier according to the IP address;
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the equipment identification and the corresponding relation between the equipment identification and the position information.
3. The method of claim 1, wherein the first attribute information includes a device identification, and the device identification is obtained by the BRAS-CP device according to an access network request message sent by the BRAS-DP device;
the determining the BRAS-DP device accessing the network through the BRAS-CP device according to the first attribute information includes:
and determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the equipment identification and the corresponding relation between the equipment identification and the position information.
4. The method of claim 3, wherein the BRAS-CP device obtains the device identifier according to an access network request packet sent by a BRAS-DP device, and the method comprises:
the BRAS-CP equipment acquires the IP address of the BRAS-DP equipment according to an access network request message sent by the BRAS-DP equipment;
and the BRAS-CP equipment acquires the corresponding equipment identifier from the corresponding relation between the IP address and the equipment identifier according to the IP address.
5. The method according to any of claims 2-4, wherein the BRAS-CP device generates an authentication request message according to the first attribute information, comprising:
the BRAS-CP equipment analyzes the access network request message to obtain second attribute information, and the second attribute information is used for identifying interface information corresponding to a user;
the BRAS-CP equipment interpenetrates the first attribute information to a preset position of the second attribute information;
and the BRAS-CP equipment generates an authentication request message according to the current second attribute information.
6. The method according to any one of claims 1-4, further comprising:
the authentication server analyzes the authentication request message to obtain third attribute information;
and the authentication server determines the BRAS-CP equipment as the BRAS-CP equipment separated by transfer control according to the third attribute information.
7. An apparatus for identifying a device, applied to an authentication server, the apparatus comprising:
the device comprises a receiving unit, a sending unit and a sending unit, wherein the receiving unit is used for receiving an authentication request message sent by BRAS-CP equipment, the authentication request message is generated by the BRAS-CP equipment according to first attribute information, and the first attribute information is used for identifying the only BRAS-DP equipment;
and the identification unit is used for determining the position information of the BRAS-DP equipment accessing the network through the BRAS-CP equipment according to the first attribute information.
8. A device identification system, comprising: the system comprises an authentication server, broadband remote access server control plane (BRAS-CP) equipment connected with the authentication server, and at least one BRAS-DP equipment connected with the BRAS-CP equipment; the authentication server is configured to perform the device identification method of any one of claims 1-6.
9. A machine-readable storage medium having stored thereon machine-executable instructions which, when invoked and executed by a processor, cause the processor to implement the method of any of claims 1-6.
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