CN110677479A - Equipment management method, system and storage medium of local area network - Google Patents
Equipment management method, system and storage medium of local area network Download PDFInfo
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- CN110677479A CN110677479A CN201910931590.2A CN201910931590A CN110677479A CN 110677479 A CN110677479 A CN 110677479A CN 201910931590 A CN201910931590 A CN 201910931590A CN 110677479 A CN110677479 A CN 110677479A
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- 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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
Abstract
The invention discloses a device management method of a local area network, which is applied to each storage device in the same local area network and comprises the following steps: receiving a device discovery request sent by a management module based on an LLDP protocol and in a local area network multicast mode; collecting device information of itself after receiving the device discovery request; and setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the collected own equipment information to the management module in a point-to-point mode, so that the management module completes equipment discovery. By applying the scheme of the application, the safety of information is guaranteed, and meanwhile, the bandwidth occupation is reduced. The application also provides a device management system and a storage medium of the local area network, and the device management system and the storage medium have corresponding technical effects.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method, a system, and a storage medium for managing devices in a local area network.
Background
When the management module is used to implement functions of Discovery, deployment, and the like of the storage device, an LLDP (link layer Discovery Protocol) Protocol is usually selected, and the LLDP Protocol can ensure that information interaction is performed at a link layer on the premise of no vendor, that is, the LLDP Protocol can ensure that the storage device can be discovered even when the storage device is not configured with an IP.
However, the LLDP protocol itself has limitations, except that the protocol header is too simple, which results in a single frame format for transmission/reception, when the LLDP protocol is used, the transmitted/received frame is in the form of a multicast packet, so that when the device is discovered and deployed, all devices in the lan can receive all messages in the whole flow, and there is a potential safety hazard. In addition, in the information interaction process, a multicast packet which is useless for most components is filled in the network, so that a large amount of unnecessary bandwidth occupation is caused.
In summary, how to effectively reduce the bandwidth occupation and ensure the information security when the LLDP protocol is used to perform the device management of the lan is a technical problem that those skilled in the art are urgently required to solve.
Disclosure of Invention
The invention aims to provide a method, a system and a storage medium for managing equipment of a local area network, so as to effectively reduce bandwidth occupation and ensure information security.
In order to solve the technical problems, the invention provides the following technical scheme:
a device management method of a local area network is applied to each storage device in the same local area network, and comprises the following steps:
receiving a device discovery request sent by a management module based on an LLDP protocol and in a local area network multicast mode;
collecting device information of itself after receiving the device discovery request;
and setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back the collected own equipment information to the management module in a point-to-point mode, so that the management module completes equipment discovery.
Preferably, the method further comprises the following steps:
receiving a device deployment request which is sent by the management module based on an LLDP protocol and according to a local area network multicast mode;
deploying the equipment according to the received equipment deployment request;
and setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back a deployment result to the management module in a point-to-point manner, so that the management module completes the deployment of the equipment.
Preferably, the destination MAC address of the frame header in the received device discovery request is 0x01-80-C2-00-00-03, so as to perform the receiving of the device discovery request through the switch.
Preferably, in the LLDP protocol used for the device discovery request and the LLDP protocol used for feeding back the device information, the frame header further includes a region indicating a frame type.
Preferably, after the collecting the device information of itself, before setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module to feed back the collected device information of itself to the management module in a point-to-point manner, the method further includes:
setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to send a first single-point connection request to the management module in a point-to-point mode;
after receiving a first single point connection response to the first single point connection request sent by the management module in a point-to-point manner, the operation of setting a destination MAC address of a frame header in the LLDP protocol as an address of the management module to feed back the collected device information of the management module in the point-to-point manner is performed.
Preferably, after the deploying of the device according to the received device deploying request, before setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module to feed back a deploying result to the management module in a point-to-point manner, the method further includes:
setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to send a second single-point connection request to the management module in a point-to-point mode;
and after receiving a second single point connection response which is sent by the management module in a point-to-point manner and aims at the second single point connection request, executing the operation of setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back a deployment result to the management module in a point-to-point manner.
A device management system of a local area network is applied to each storage device in the same local area network, and comprises:
a device discovery request receiving unit, configured to receive a device discovery request sent by a management module based on an LLDP protocol and in a local area network multicast manner;
an information collecting unit configured to collect device information of itself after receiving the device discovery request;
and the device information feedback unit is used for setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back the collected device information to the management module in a point-to-point mode, so that the management module completes device discovery.
Preferably, the method further comprises the following steps:
the device deployment request receiving unit is used for receiving a device deployment request which is sent by the management module based on an LLDP protocol and in a local area network multicast mode;
the equipment deployment unit is used for deploying equipment according to the received equipment deployment request;
and the deployment result feedback unit is used for setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the deployment result to the management module in a point-to-point mode, so that the management module completes the deployment of the equipment.
Preferably, the system further comprises a first reliability verification unit, configured to:
after the information collection unit collects the own device information after receiving the device discovery request, the destination MAC address of the frame header in the LLDP protocol is set as the address of the management module so as to send a first single point connection request to the management module in a point-to-point mode;
and after receiving a first single point connection response aiming at the first single point connection request, which is sent by the management module in a point-to-point manner, triggering the equipment information feedback unit.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the device management method of a local area network of any of the above.
By applying the technical scheme provided by the embodiment of the invention, the address of the management module is considered to exist in the received equipment discovery request, so that the collected self equipment information is fed back to the management module, the LLDP protocol is modified, the local area network multicast mode is not adopted for feeding back to the management module, but the destination MAC address of the frame header in the LLDP protocol is set as the address of the management module, the point-to-point information transmission is realized, the information security is favorably ensured, and the bandwidth occupation is favorably reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of an embodiment of a method for managing devices in a local area network according to the present invention;
fig. 2 is a diagram illustrating a frame format of a conventional LLDP protocol;
FIG. 3 is a diagram illustrating a frame format of an optimized LLDP protocol according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a device management system of a local area network according to the present invention.
Detailed Description
The core of the invention is to provide a local area network equipment management method, which is beneficial to ensuring the information security and reducing the bandwidth occupation.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart of an implementation of a device management method for a local area network according to the present invention, where the method is applied to each storage device in the same local area network, and may include the following steps:
step S101: and receiving the device discovery request sent by the management module based on the LLDP protocol and in a local area network multicast mode.
The management module may send the device discovery request based on the LLDP protocol, based on the conventional LLDP protocol, and certainly, in a specific embodiment of the present invention, the LLDP protocol is optimized, and specifically, a region for indicating a frame type is further added to a frame header. Therefore, in the LLDP protocol used for the device discovery request, the frame header also has a region indicating the frame type, that is, the management module may send the device discovery request based on the optimized LLDP protocol. Of course, in the subsequent steps, when the management module receives the device information fed back by the storage device, and information transmission between the management module and the storage device in other embodiments, an optimized LLDP protocol may also be used, that is, in the adopted LLDP protocol, the frame header includes an area indicating the frame type.
Fig. 2 is a schematic diagram of a frame format of a conventional LLDP protocol, where dst MAC address in a frame header indicates a destination MAC address, which is usually a fixed multicast address 0x 01-80-C2-00-00-0E. src MAC address indicates the source MAC address. When the management module sends a device discovery request, the source MAC address is the MAC address of the management module. protocol type indicates the frame type, usually fixed to 0 xAAA-0300 and 0000-88CC, and represents the LLDP protocol. LLDPDU is a message body, and is composed of a plurality of TLVs (tag-length-value, type of data-length of data-value of data), which are a variable format for data transmission.
Fig. 3 is an optimized LLDP protocol in an embodiment, to which a field msgtype indicating a frame type is added. For example, when the management module sends a device discovery request to each storage device in a lan multicast manner, the content in msgtype may be a preset first content, which is used to indicate that the message is a lan multicast message initiated by the management module for device discovery. For another example, when the management module sends a device deployment request to each storage device in a lan multicast manner, the content in the msg type may be a preset second content to indicate that the message is a lan multicast message initiated by the management module for device deployment.
It should be noted that, if the message type is distinguished in the conventional scheme, since the protocol header of the LLDP is too simple, and the frame format is single, the distinction needs to be performed by using the message body, and compared with the embodiment of the present application in which an area msg type indicating the frame type is added to the frame header, the conventional scheme takes longer time to identify the message type. Namely, the region for indicating the frame type is added in the embodiment of the application, so that the message type can be quickly determined through the frame header, and the time consumption for identification is reduced.
Step S102: device information of itself is collected after receiving the device discovery request.
Typically, each storage device collects its own device information after receiving a device discovery request.
Step S103: and setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the collected own equipment information to the management module in a point-to-point mode, so that the management module completes equipment discovery.
For any storage device, the storage device adopts a point-to-point mode when feeding back the collected own device information. Specifically, when feeding back the collected device information of the device, the storage device sets a destination MAC address of a frame header in the LLDP protocol as an address of the management module, so that the fed back device information is not sent in a local area network multicast manner.
The storage device may obtain the address of the management module according to the received device discovery request, that is, obtain the source MAC address in the device discovery request, where the address is the address of the management module. The address of the management module described in this application is the MAC address of the management module.
After receiving the device information fed back by each storage device, the management module may complete the function of device discovery, and may also present the device discovery result through a display device, so as to facilitate other operations performed by a worker.
By applying the technical scheme provided by the embodiment of the invention, the address of the management module is considered to exist in the received equipment discovery request, so that the collected self equipment information is fed back to the management module, the LLDP protocol is modified, the local area network multicast mode is not adopted for feeding back to the management module, but the destination MAC address of the frame header in the LLDP protocol is set as the address of the management module, the point-to-point information transmission is realized, the information security is favorably ensured, and the bandwidth occupation is favorably reduced.
In one embodiment of the present invention, the method may further include the following steps:
the method comprises the following steps: receiving a device deployment request sent by a management module based on an LLDP protocol and in a local area network multicast mode;
step two: deploying the equipment according to the received equipment deployment request;
step three: and setting a destination MAC address of a frame header in the LLDP protocol as an address of the management module so as to feed back a deployment result to the management module in a point-to-point mode, so that the management module completes the deployment of the equipment.
In the foregoing, the device discovery is optimized in the flow, and in this embodiment, the deployment of the device may also be optimized. It should be noted that, in device discovery, each storage device usually collects its own device information after receiving a device discovery request. When device deployment is performed, although each storage device may receive the device deployment request, part of the storage devices may start device deployment. That is, after the storage device receives the device deployment request, it may be determined whether the device deployment request includes its own information, and if so, the device deployment may be performed according to the device deployment request, and if not, the subsequent steps may not be performed.
When the function of device deployment is executed, the storage device feeds back the deployment result to the management module in a point-to-point mode, so that the security of information is guaranteed, and the bandwidth occupation is reduced.
In a specific embodiment of the present invention, the destination MAC address of the header in the received device discovery request is 0x01-80-C2-00-00-03, so as to receive the device discovery request through the switch.
In the conventional scheme, the destination MAC address of the frame header in the device discovery request is usually 0x01-80-C2-00-00-0E, and the use of such destination MAC address is usually only suitable for direct transmission of the message, and cannot be transmitted by using the switch. In this embodiment, the destination MAC address of the frame header in the device discovery request is set to 0x01-80-C2-00-00-03, so that the device discovery request sent by the management module can reach the corresponding storage device through the switch, which is beneficial to improving the application range of the scheme. Of course, this embodiment is described by taking a device discovery request as an example, and for a device deployment request, the destination MAC address of the frame header may also be 0x 01-80-C2-00-00-03.
In an embodiment of the present invention, after step S102 and before step S103, the following two steps may be further included, so as to improve the reliability of data transmission:
the first step is as follows: setting a destination MAC address of a frame header in an LLDP protocol as an address of a management module so as to send a first single-point connection request to the management module in a point-to-point mode;
the second step is that: after receiving the first single point connection response to the first single point connection request sent by the management module in a point-to-point manner, the operation of step S103 is executed.
In this embodiment, after receiving the device discovery request and collecting the device information of the storage device, the storage device does not directly perform step S103, but first sends a first single point connection request, which may generally be a request without actual message body content. For the first single point connection request, the source MAC address is the MAC address of the storage device, and the destination MAC address is the MAC address of the management module, so the first single point connection request is also sent in a point-to-point manner.
After receiving the first single point connection request, the management module may send a first single point connection response to the first single point connection request in a point-to-point manner according to the MAC address of the storage device in the first single point connection request, that is, for the first single point connection response, the source MAC address of the first single point connection response is the MAC address of the management module, and the destination MAC address of the first single point connection response is the MAC address of the storage device that sent the first single point connection request.
After receiving the first single point connection response sent by the management module, the storage device indicates that the data transmission path is reliable, so step S103 may be executed.
In this embodiment, an operation for improving reliability of data transmission is performed when device discovery is performed, and for device deployment, a corresponding operation may also be performed, specifically, after a storage device performs device deployment according to a received device deployment request, before a destination MAC address of a frame header in an LLDP protocol is set as an address of a management module to feed back a deployment result to the management module in a point-to-point manner, the following two steps may be performed:
setting a destination MAC address of a frame header in an LLDP protocol as an address of a management module so as to send a second single-point connection request to the management module in a point-to-point mode;
and after receiving a second single point connection response which is sent by the management module in a point-to-point manner and aims at the second single point connection request, executing the operation of setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the deployment result to the management module in the point-to-point manner.
Since reference can be made to the above description, the description will not be repeated here.
It should be noted that in the embodiment with increased operation for improving the reliability of data transmission, a corresponding category may be added to the region msg type used for indicating the frame type in the frame header to distinguish different types of messages. That is, when the message types are the first unicast request, the first unicast response, the second unicast request, and the second unicast response, respectively, the data content in the msg type may be correspondingly different in order to distinguish between different types of messages. Of course, when the length of the msg type in some cases is limited and does not support the message differentiation of excessive types, the message can also be differentiated in combination with the message body, specifically, the corresponding TLV can be set in the message body to assist the msg type in differentiating the message types, and the implementation of the present invention is not affected.
Corresponding to the above method embodiments, the embodiments of the present invention further provide an apparatus management system for a local area network, which can be referred to in correspondence with the above.
Referring to fig. 4, a schematic structural diagram of a device management system of a local area network according to the present invention is applied to each storage device in the same local area network, and includes:
a device discovery request receiving unit 401, configured to receive a device discovery request sent by the management module based on the LLDP protocol and in a local area network multicast manner;
an information collecting unit 402 for collecting device information of itself after receiving the device discovery request;
a device information feedback unit 403, configured to set a destination MAC address of a frame header in the LLDP protocol as an address of the management module, so as to feed back the collected device information to the management module in a point-to-point manner, so that the management module completes device discovery.
In one embodiment of the present invention, the method further comprises:
the device deployment request receiving unit is used for receiving a device deployment request which is sent by the management module based on an LLDP protocol and in a local area network multicast mode;
the equipment deployment unit is used for deploying the equipment according to the received equipment deployment request;
and the deployment result feedback unit is used for setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the deployment result to the management module in a point-to-point mode, so that the management module completes the deployment of the equipment.
In an embodiment of the present invention, the system further includes a first reliability verification unit, configured to:
after an information collection unit collects own equipment information after receiving an equipment discovery request, a destination MAC address of a frame header in an LLDP protocol is set as an address of a management module so as to send a first single-point connection request to the management module in a point-to-point mode;
after receiving a first single point connection response aiming at the first single point connection request sent by the management module in a point-to-point mode, triggering the equipment information feedback unit.
In a specific embodiment of the present invention, the destination MAC address of the header in the received device discovery request is 0x01-80-C2-00-00-03, so as to receive the device discovery request through the switch.
In an embodiment of the present invention, in the LLDP protocol used for the device discovery request and the LLDP protocol used for feeding back the device information, the frame header further includes a region indicating a frame type.
In an embodiment of the present invention, the system further includes a second reliability verification unit, configured to:
after the device deployment unit deploys the device according to the received device deployment request, setting a destination MAC address of a frame header in an LLDP protocol as an address of a management module so as to send a second single-point connection request to the management module in a point-to-point manner;
and after receiving a second single-point connection response aiming at the second single-point connection request sent by the management module in a point-to-point mode, triggering a deployment result feedback unit.
Corresponding to the above method and system embodiments, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the device management method for a local area network in any of the above embodiments, and a description of the steps is not repeated here. A computer-readable storage medium as referred to herein may include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The principle and the implementation of the present invention are explained in the present application by using specific examples, and the above description of the embodiments is only used to help understanding the technical solution and the core idea of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A device management method for a local area network is applied to each storage device in the same local area network, and comprises the following steps:
receiving a device discovery request sent by a management module based on an LLDP protocol and in a local area network multicast mode;
collecting device information of itself after receiving the device discovery request;
and setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back the collected own equipment information to the management module in a point-to-point mode, so that the management module completes equipment discovery.
2. The device management method of the local area network according to claim 1, further comprising:
receiving a device deployment request which is sent by the management module based on an LLDP protocol and according to a local area network multicast mode;
deploying the equipment according to the received equipment deployment request;
and setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back a deployment result to the management module in a point-to-point manner, so that the management module completes the deployment of the equipment.
3. The method of claim 1, wherein the destination MAC address of the header in the received device discovery request is 0x01-80-C2-00-00-03, so as to perform the receiving of the device discovery request through a switch.
4. The method of claim 1, wherein the LLDP protocol used for the device discovery request and the LLDP protocol used for feeding back the device information further include a region indicating a frame type in a header of the frame.
5. The device management method of local area network according to any of claims 1 to 4, wherein after the collecting the own device information, before setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module to feed back the collected own device information to the management module in a point-to-point manner, the method further comprises:
setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to send a first single-point connection request to the management module in a point-to-point mode;
after receiving a first single point connection response to the first single point connection request sent by the management module in a point-to-point manner, the operation of setting a destination MAC address of a frame header in the LLDP protocol as an address of the management module to feed back the collected device information of the management module in the point-to-point manner is performed.
6. The device management method of the local area network according to any one of claims 2 to 4, wherein after the device deployment is performed according to the received device deployment request, before setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module to feed back a deployment result to the management module in a point-to-point manner, the method further comprises:
setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to send a second single-point connection request to the management module in a point-to-point mode;
and after receiving a second single point connection response which is sent by the management module in a point-to-point manner and aims at the second single point connection request, executing the operation of setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back a deployment result to the management module in a point-to-point manner.
7. A device management system for a local area network, applied to each storage device in the same local area network, comprising:
a device discovery request receiving unit, configured to receive a device discovery request sent by a management module based on an LLDP protocol and in a local area network multicast manner;
an information collecting unit configured to collect device information of itself after receiving the device discovery request;
and the device information feedback unit is used for setting a destination MAC address of a frame header in an LLDP protocol as an address of the management module so as to feed back the collected device information to the management module in a point-to-point mode, so that the management module completes device discovery.
8. The device management system for a local area network according to claim 7, further comprising:
the device deployment request receiving unit is used for receiving a device deployment request which is sent by the management module based on an LLDP protocol and in a local area network multicast mode;
the equipment deployment unit is used for deploying equipment according to the received equipment deployment request;
and the deployment result feedback unit is used for setting the destination MAC address of the frame header in the LLDP protocol as the address of the management module so as to feed back the deployment result to the management module in a point-to-point mode, so that the management module completes the deployment of the equipment.
9. The device management system of the local area network according to claim 7 or 8, further comprising a first reliability verification unit configured to:
after the information collection unit collects the own device information after receiving the device discovery request, the destination MAC address of the frame header in the LLDP protocol is set as the address of the management module so as to send a first single point connection request to the management module in a point-to-point mode;
and after receiving a first single point connection response aiming at the first single point connection request, which is sent by the management module in a point-to-point manner, triggering the equipment information feedback unit.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the device management method of a local area network according to any one of claims 1 to 6.
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| CN112637251A (en) * | 2021-03-10 | 2021-04-09 | 浙江大学 | Deterministic data transmission method and device based on LLDP protocol |
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