CN112073322B - Discovery method and device of network tester - Google Patents

Discovery method and device of network tester Download PDF

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Publication number
CN112073322B
CN112073322B CN202010989039.6A CN202010989039A CN112073322B CN 112073322 B CN112073322 B CN 112073322B CN 202010989039 A CN202010989039 A CN 202010989039A CN 112073322 B CN112073322 B CN 112073322B
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equipment
network
information table
passive
updating
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CN112073322A (en
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杨二建
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Beijing Teletest Technology Co ltd
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Beijing Teletest Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • 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 embodiment of the application discloses a discovery method and a discovery device of a network tester, wherein after the network tester is accessed in a network, the network tester can be divided into passive updating equipment and active management equipment, the active management equipment acquires a broadcast message of the passive updating equipment in the network, the broadcast message comprises equipment information of the passive updating equipment, and the equipment information comprises an Internet Protocol (IP) of the passive updating equipment. The active management equipment generates a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network, and then sends the neighbor information to the target client. When a user needs to use the network tester through the target client, the target client can display the neighbor information table to the user, and the user can select the connected network tester through the neighbor information table according to the user's own needs, so that the user does not need to memorize information such as IP (Internet protocol) of the network tester, and the convenience of the user in using the network tester is improved.

Description

Discovery method and device of network tester
Technical Field
The present invention relates to the field of network device testing, and in particular, to a method and apparatus for discovering a network tester.
Background
The network tester is a common instrument in network communication, and presents a plurality of Ethernet ports to a user, and the network tester is in butt joint with tested network equipment through the ports. The user makes the network tester generate network flow or initiate protocol interaction to send to the tested network device through the configuration of the client, and the response of the tested network device is received and analyzed by the test instrument through the same port or another port, thereby realizing the test of the tested network device.
After the network tester device is deployed in the network, if the user needs to use the network tester, the client needs to actively connect to the network tester, that is, the user needs to input an internet protocol (Internet Protocol, IP) of the network tester in the client to connect. If the IP of the network tester is forgotten, the network tester needs to be redeployed, if the network tester in the network is more, a user is difficult to memorize a large number of IP, and therefore, the specific network tester is difficult to identify, the use is more troublesome, and the use of the user is confused.
Disclosure of Invention
In order to solve the technical problems, the application provides a discovery method and device of an automatic network tester, which do not need users to memorize information such as IP of the network tester, and improve the convenience of using the network tester by the users.
The embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application provides a method for discovering a network tester, where the method includes:
the method comprises the steps that an active management device obtains a broadcast message of a passive updating device in a network, wherein the broadcast message comprises device information of the passive updating device, and the device information comprises an Internet Protocol (IP) of the passive updating device;
the active management equipment generates a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
the active management device sends the neighbor information table to a target client so as to display the neighbor information table through the target client.
Optionally, the method further comprises:
the active management equipment acquires the update information sent by the passive update equipment;
and the active management equipment updates the state information of the passive updating equipment in the neighbor information table according to the updating information.
Optionally, if the device information includes status information of the passive update device, the neighbor information table includes status information of all network testers in the network, and the neighbor information table includes timeout time, the method further includes:
if the active management equipment does not acquire the update information sent by the passive update equipment within the timeout period;
and the active management equipment sets the state information of the passive updating equipment in the neighbor information table to be in an unavailable state.
Optionally, the method further comprises:
and the active management equipment sends the neighbor information table to the passive updating equipment.
Optionally, the active management device is a network tester with the highest priority in the network.
Optionally, if the priorities of the network testers in the network are the same, selecting the network tester with the smallest local area network address MAC address as the active management device.
In a second aspect, an embodiment of the present application provides a method for discovering a network tester, where the method includes:
the passive updating device sends a broadcast message to the active management device; the broadcast message comprises equipment information of passive updating equipment, wherein the equipment information comprises an Internet Protocol (IP) of the passive updating equipment;
the passive updating equipment receives a neighbor information table sent by the active management equipment, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating device and the active management device.
Optionally, the method further comprises:
the passive updating device checks the neighbor information table;
and if the neighbor information table does not meet the preset condition, the passive updating equipment updates the neighbor information table.
Optionally, the method further comprises:
and if the passive updating equipment determines that the Internet protocol IP of the passive updating equipment conflicts with the Internet protocol IP of other network testers, the passive updating equipment updates the neighbor information table.
In a third aspect, an embodiment of the present application provides a discovery apparatus of a network tester, where the apparatus includes:
an obtaining unit, configured to obtain a broadcast message of a passive update device in a network, where the broadcast message includes device information of the passive update device, and the device information includes an internet protocol IP of the passive update device;
the generating unit is used for generating a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
and the sending unit is used for sending the neighbor information table to the target client so as to display the neighbor information table through the target client.
Optionally, the acquiring unit is further configured to:
acquiring update information sent by the passive update equipment;
the apparatus further comprises an updating unit for:
and updating the state information of the passive updating equipment in the neighbor information table according to the updating information.
Optionally, if the device information includes status information of the passive update device, the neighbor information table includes status information of all network testers in the network, and the neighbor information table includes timeout time, and the update unit is further configured to:
if the active management equipment does not acquire the update information sent by the passive update equipment within the timeout period;
and setting the state information of the passive updating equipment in the neighbor information table to be in an unavailable state.
Optionally, the sending unit is further configured to:
and sending the neighbor information table to the passive updating equipment.
Optionally, the active management device is a network tester with the highest priority in the network.
Optionally, if the priorities of the network testers in the network are the same, selecting the network tester with the smallest local area network address MAC address as the active management device.
In a fourth aspect, an embodiment of the present application provides a discovery apparatus of a network tester, where the apparatus includes:
the sending unit is used for sending the broadcast message to the active management equipment; the broadcast message comprises equipment information of passive updating equipment, wherein the equipment information comprises an Internet Protocol (IP) of the passive updating equipment;
a receiving unit, configured to receive a neighbor information table sent by the active management device, where the neighbor information table includes internet protocol IP of all network testers in the network; the network tester comprises the passive updating device and the active management device.
Optionally, the apparatus further includes:
an inspection unit configured to inspect the neighbor information table;
and the updating unit is used for updating the neighbor information table if the neighbor information table does not meet the preset condition.
Optionally, the updating unit is further configured to:
and if the passive updating equipment determines that the Internet protocol IP of the passive updating equipment conflicts with the Internet protocol IP of other network testers, the passive updating equipment updates the neighbor information table.
According to the technical scheme, after the network tester is accessed into the network, the network tester can be divided into the passive updating equipment and the active management equipment, the active management equipment acquires the broadcast message of the passive updating equipment in the network, the broadcast message comprises the equipment information of the passive updating equipment, and the equipment information comprises the Internet Protocol (IP) of the passive updating equipment. The active management equipment generates a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network, and then sends the neighbor information to the target client. When a user needs to use the network tester through the target client, the target client can display the neighbor information table to the user, and the user can select the connected network tester through the neighbor information table according to the user's own needs, so that the user does not need to memorize information such as IP (Internet protocol) of the network tester, and the convenience of the user in using the network tester is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a system architecture diagram of a discovery method of a network tester according to an embodiment of the present application;
fig. 2 is a flowchart of a discovery method of a network tester according to an embodiment of the present application;
fig. 3 is a structural diagram of a network tester discovery device according to an embodiment of the present application;
fig. 4 is a block diagram of a network tester discovery device according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the related art, if a user needs to use a network tester, the user needs to input the IP of the network tester in a client for connection. If the IP of the network tester is forgotten, the network tester needs to be redeployed, if the network tester in the network is more, a user is difficult to memorize a large number of IP, and therefore, the specific network tester is difficult to identify, the use is more troublesome, and the use of the user is confused.
In order to solve the above technical problems, the embodiments of the present application provide a method for discovering a network tester, where after a network tester is connected to a network, the network tester may be divided into a passive update device and an active management device, where the active management device obtains a broadcast message of the passive update device in the network, the broadcast message includes device information of the passive update device, and the device information includes an internet protocol IP of the passive update device. The active management equipment generates a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network, and then sends the neighbor information to the target client. When a user needs to use the network tester through the target client, the target client can display the neighbor information table to the user, and the user can select the connected network tester through the neighbor information table according to the user's own needs, so that the user does not need to memorize information such as IP (Internet protocol) of the network tester, and the convenience of the user in using the network tester is improved.
Referring to fig. 1, fig. 1 is a system architecture of a discovery method of a network tester according to an embodiment of the present application. The system architecture diagram includes a plurality of network testers 100 and a target client 200, where the active management device 101 and the passive update device 102 can be determined in the plurality of network testers 100.
The active management device 101 acquires a broadcast message of the passive update device 102 in the network, where the broadcast message includes device information of the passive update device, and the device information includes an internet protocol IP of the passive update device. The active management device 101 generates a neighbor information table according to the broadcast message, where the neighbor information table includes the internet protocol IP of all the network testers 100 in the network, and then sends the neighbor information to the target client 200.
When a user needs to use the network tester 100 through the target client 200, the target client 200 may present the neighbor information table to the user. The neighbor information table may include the IP of all network testers 100, but may also include other information, such as the name of the network tester 100, status information, and the like. The user can select which network tester 100 to connect through the neighbor information table according to the needs of the user, and the user does not need to memorize the information such as the IP of the network tester, so that the convenience of the user in using the network tester is improved.
Next, a method for automatically triggering a test according to an embodiment of the present application will be described in detail with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 shows a flowchart of a discovery method of a network tester, the method comprising:
s201, the active management device acquires a broadcast message of a passive update device in the network.
The network comprises a plurality of network testers, and each network tester can publish own equipment information by sending a broadcast message, and can also receive the broadcast messages sent by other network testers so as to acquire the equipment information of other network testers.
In general, network testers can be divided into two roles, an active management device (Master) and a passive update device (Slave). The Master can receive a broadcast message sent by the Slave to acquire the device information of the Slave.
The broadcast message comprises equipment information of the passive updating equipment, and the equipment information comprises an Internet Protocol (IP) of the passive updating equipment. In addition, the device information may further include information such as roles, names, abstracts, status information, and the like of the network tester. Broadcast messages can be categorized into published information, set information, remote invocations, and the like. The broadcast message adopts a Type-length-value (TLV) form, so that the function expansion is facilitated.
The determining method of the active management device may include multiple ways, and the first method is to select a network tester with the highest priority in the network as the active management device. When the network tester is just accessed to the local area network, the network tester considers itself as a Master and sends broadcast messages to other network testers. If the Master receives the broadcast messages of other network testers, priority comparison is carried out, so that the Master is determined, and the network tester with the highest priority is determined to be the Master. If a certain network tester determines that the network tester is a Master according to the priority, executing the subsequent steps according to the received broadcast message; if it is determined that the other network tester is a Master, silence is started.
If the priorities of the network testers in the network are the same, the active management equipment is determined according to the second mode. The second way may be, for example, to select as the active management device the network tester with the smallest local area network address (Media Access Control Address, MAC) address.
The first and second modes are generally modes of determining the active management device when the network is accessed, and of course, a case of replacing the active management device may also occur during a subsequent use, which will be described later.
S202, the active management equipment generates a neighbor information table according to the broadcast message.
After the active management device acquires the broadcast message, a neighbor information table can be generated according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in a network, and the network testers comprise passive updating devices and the active management device.
Of course, if the device information includes information such as status information, roles, names, abstracts, etc. of the passive update device, the generated neighbor information table may also include these information.
In this embodiment, since the device information of the network tester in the network may change at any time, in order to ensure the accuracy of the information in the neighbor information table maintained by the active management device, the update information of the passive update device may be continuously acquired, so that the active management device updates the device information of the passive update device in the neighbor information table according to the update information. The passive update device may send update information through a broadcast message, where the type of the broadcast message may be a unitppdate update device information type, and Slave is used to update its own device information to Master.
In general, if the passive update device is normal, update information is sent to the active management device before the timeout, and if the Master timeout does not receive the update information of the Slave, the Slave is considered to be suspended and unavailable. Therefore, if the device information includes the state information of the passive updating device, the neighbor information table includes the state information of all network testers in the network, and the neighbor information table includes the time-out time, and if the active management device does not acquire the updating information sent by the passive updating device within the time-out time, the active management device sets the state information of the passive updating device in the neighbor information table to be in an unavailable state. Therefore, when a subsequent user selects the network tester according to the neighbor information table, the unavailable network tester is selected, the user can conveniently select the available network tester, and the convenience and the user experience of using the network tester by the user are improved.
After the active management device generates the neighbor information table, the active management device can also send the neighbor information table to the passive update device so that the network tester serving as the passive update device can check the neighbor information table, thereby ensuring the accuracy of information in the neighbor information table. If the neighbor information table does not meet the preset condition, the passive updating device can update the neighbor information table. And if the neighbor information table meets the preset condition, the passive updating equipment is silent. In this embodiment, the active management device may send the neighbor information table to the passive update device through a Broadcast message, where the type of the Broadcast message used may be a Broadcast device information type, and the Master is used to notify the neighbor information table.
When the passive updating device checks the neighbor information table, it can check whether the neighbor information table exists or not, and whether to send the updating information to the Master, or whether the passive updating device checks the time-out time in the neighbor information table updated by the Master. If the Master is not updated after timeout, the passive updating device can set itself as the Master role to update the neighbor information table. The preset condition may be that the passive updating device exists in the neighbor information table, or that the passive updating device sends the update information to the Master, or that the Master updates the neighbor information table within a timeout period.
In addition, in the new access network, if the passive updating device determines that the own IP conflicts with the IP of other network testers, the passive updating device can actively modify and update to update the neighbor information table.
And S203, the active management equipment sends the neighbor information table to the target client.
S204, the target client displays the neighbor information table.
When a user needs to connect with a network tester through a Client (Client), for example, a target Client, the user can start the target Client, and after the target Client is started, the neighbor information table of the Master is displayed to the user after the neighbor information table is received. The user can connect a specific network tester according to the needs and then conduct business processing. The user may also update the device information of the network tester.
The neighbor information table can also comprise information such as roles, names, abstracts, state information and the like of the network tester, and the user can conveniently identify the network tester and communicate with other users through the information.
When the user selects to connect a certain network tester, the network tester receives an update request or an operation request sent by the target client to execute the update and operation of the network tester. The operation may be, for example, starting a process service, opening a listening port, etc. The target client may send an update request or an operation request through a broadcast message, where the type of the broadcast message used may be a SetParameters setting device information type.
Based on the foregoing method for discovering a network tester, the embodiment of the application provides a discovery device of a network tester. Referring to fig. 3, the apparatus includes:
an obtaining unit 301, configured to obtain a broadcast message of a passive update device in a network, where the broadcast message includes device information of the passive update device, and the device information includes an internet protocol IP of the passive update device;
a generating unit 302, configured to generate a neighbor information table according to the broadcast message, where the neighbor information table includes internet protocol IP of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
a sending unit 303, configured to send the neighbor information table to a target client, so that the neighbor information table is displayed by the target client.
Optionally, the acquiring unit is further configured to:
acquiring update information sent by the passive update equipment;
the apparatus further comprises an updating unit for:
and updating the state information of the passive updating equipment in the neighbor information table according to the updating information.
Optionally, if the device information includes status information of the passive update device, the neighbor information table includes status information of all network testers in the network, and the neighbor information table includes timeout time, and the update unit is further configured to:
if the active management equipment does not acquire the update information sent by the passive update equipment within the timeout period;
and setting the state information of the passive updating equipment in the neighbor information table to be in an unavailable state.
Optionally, the sending unit is further configured to:
and sending the neighbor information table to the passive updating equipment.
Optionally, the active management device is a network tester with the highest priority in the network.
Optionally, if the priorities of the network testers in the network are the same, selecting the network tester with the smallest local area network address MAC address as the active management device.
The embodiment of the application also provides a discovery device of the network tester, referring to fig. 4, the device includes:
a sending unit 401, configured to send a broadcast message to an active management device; the broadcast message comprises equipment information of passive updating equipment, wherein the equipment information comprises an Internet Protocol (IP) of the passive updating equipment;
a receiving unit 402, configured to receive a neighbor information table sent by the active management device, where the neighbor information table includes internet protocol IP of all network testers in the network; the network tester comprises the passive updating device and the active management device.
Optionally, the apparatus further includes:
an inspection unit configured to inspect the neighbor information table;
and the updating unit is used for updating the neighbor information table if the neighbor information table does not meet the preset condition.
Optionally, the updating unit is further configured to:
and if the passive updating equipment determines that the Internet protocol IP of the passive updating equipment conflicts with the Internet protocol IP of other network testers, the passive updating equipment updates the neighbor information table.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, where the above program may be stored in a computer readable storage medium, and when the program is executed, the program performs steps including the above method embodiments; and the aforementioned storage medium may be at least one of the following media: read-only memory (ROM), RAM, magnetic disk or optical disk, etc., which can store program codes.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment is mainly described in a different point from other embodiments. In particular, for the apparatus and system embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, with reference to the description of the method embodiments in part. The apparatus and system embodiments described above are merely illustrative, in which elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
The foregoing is merely one specific embodiment of the present application, but the protection 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 in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A method for discovering a network tester, the method comprising:
the method comprises the steps that an active management device obtains a broadcast message of a passive updating device in a network, wherein the broadcast message comprises device information of the passive updating device, and the device information comprises an Internet Protocol (IP) of the passive updating device; the broadcast message adopts a type length value form;
the active management equipment generates a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
the active management equipment sends the neighbor information table to a target client so as to display the neighbor information table through the target client;
wherein the method further comprises:
the active management equipment acquires the update information sent by the passive update equipment;
and the active management equipment updates the equipment information of the passive updating equipment in the neighbor information table according to the updating information.
2. The method of claim 1, wherein if the device information includes status information of the passively updated device, the neighbor information table includes status information of all network testers in the network, and the neighbor information table includes timeout time, the method further comprises:
if the active management equipment does not acquire the update information sent by the passive update equipment within the timeout period;
and the active management equipment sets the state information of the passive updating equipment in the neighbor information table to be in an unavailable state.
3. The method according to any one of claims 1-2, wherein the method further comprises:
and the active management equipment sends the neighbor information table to the passive updating equipment.
4. The method according to any of claims 1-2, wherein the active management device is a highest priority network tester in the network.
5. The method of claim 4, wherein if the priorities of the network testers in the network are the same, selecting the network tester with the smallest local area network address MAC address as the active management device.
6. A method for discovering a network tester, the method comprising:
the passive updating device sends a broadcast message to the active management device; the broadcast message comprises equipment information of passive updating equipment, wherein the equipment information comprises an Internet Protocol (IP) of the passive updating equipment; the broadcast message adopts a type length value form;
the passive updating equipment receives a neighbor information table sent by the active management equipment, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
the active management equipment generates the neighbor information table according to the broadcast message; the active management equipment sends the neighbor information table to a target client so as to display the neighbor information table through the target client;
wherein the method further comprises:
the passive updating device sends updating information to the active management device;
and the active management equipment updates the equipment information of the passive updating equipment in the neighbor information table according to the updating information.
7. The method of claim 6, wherein the method further comprises:
the passive updating device checks the neighbor information table;
and if the neighbor information table does not meet the preset condition, the passive updating equipment updates the neighbor information table.
8. The method of claim 6, wherein the method further comprises:
and if the passive updating equipment determines that the Internet protocol IP of the passive updating equipment conflicts with the Internet protocol IP of other network testers, the passive updating equipment updates the neighbor information table.
9. A discovery apparatus for a network tester, the apparatus comprising:
an obtaining unit, configured to obtain a broadcast message of a passive update device in a network, where the broadcast message includes device information of the passive update device, and the device information includes an internet protocol IP of the passive update device; the broadcast message adopts a type length value form;
the generating unit is used for generating a neighbor information table according to the broadcast message, wherein the neighbor information table comprises Internet Protocol (IP) of all network testers in the network; the network tester comprises the passive updating equipment and active management equipment;
a sending unit, configured to send the neighbor information table to a target client so as to display the neighbor information table through the target client;
wherein, the acquisition unit is further used for:
acquiring update information sent by the passive update equipment;
the apparatus further comprises an updating unit for:
and updating the state information of the passive updating equipment in the neighbor information table according to the updating information.
10. A discovery apparatus for a network tester, the apparatus comprising:
the sending unit is used for sending the broadcast message to the active management equipment; the broadcast message comprises equipment information of passive updating equipment, wherein the equipment information comprises an Internet Protocol (IP) of the passive updating equipment; the broadcast message adopts a type length value form;
a receiving unit, configured to receive a neighbor information table sent by the active management device, where the neighbor information table includes internet protocol IP of all network testers in the network; the network tester comprises the passive updating equipment and the active management equipment;
the active management equipment generates the neighbor information table according to the broadcast message; the active management equipment sends the neighbor information table to a target client so as to display the neighbor information table through the target client;
wherein, the sending unit is further configured to:
the passive updating device sends updating information to the active management device;
the update information is used for enabling the active management device to update the device information of the passive update device in the neighbor information table.
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