CN106330621B - A kind of test method and test macro of interchanger transmission signal performance - Google Patents
A kind of test method and test macro of interchanger transmission signal performance Download PDFInfo
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- CN106330621B CN106330621B CN201610871823.0A CN201610871823A CN106330621B CN 106330621 B CN106330621 B CN 106330621B CN 201610871823 A CN201610871823 A CN 201610871823A CN 106330621 B CN106330621 B CN 106330621B
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- network interface
- interface card
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- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/555—Error detection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides the test method and test macro of a kind of interchanger transmission signal performance, belongs to switch test technical field.Test method of the present invention includes: setting length of testing speech, packet capturing file size, network interface card corresponding relationship；The IP address and camera of configuration network interface card 2 and the port 2 of interchanger are in the same network segment；The incoming traffic of configuration switch port 3 is mirrored to the port 1 connecting with network interface card 1；Start timer, send instructions to network interface card 1 and network interface card 2, network interface card 1 and network interface card 2 are carried out continuing packet capturing and be saved；The file caught to network interface card 1 and network interface card 2 compares one by one and records difference, additionally provides the test macro for realizing above-mentioned test method.The invention has the benefit that network interface card and interchanger configuration and packet capturing, being more all automatically performed, after tester only need to build environment according to networking diagram, opening equipment just can be carried out test, easy to operate；Judging result is reliable；Testing time can be freely set, testing efficiency is improved.
Description
Technical field
The present invention relates to switch test technology more particularly to the test methods and survey of a kind of interchanger transmission signal performance
Test system.
Background technique
The scene of video monitoring is that front end arranges that camera, camera believe acquired image signal compression at number
Number, then server is transferred to by interchanger.Client can watch or play back in real time on the server.
Video monitoring is required after transmission device, clear and accurate no frame losing mistake frame.Here it is most important to interchanger
Performance requirement, how the performance of the test interchanger this respect of high efficient and reliable be interchanger producer key job.
Current test method is according to camera-interchanger-server networking, and whether tester passes through naked eyes viewing
Have a Caton, image missing, then judge by comparing source and the video file size of destination interchanger whether packet loss.It is this
Test mode has following defect:
(1) manually viewing accuracy is not high, and can not watch for a long time, and such testing efficiency is low, and test result can not
It leans on；
The size of (2) two video files is identical it cannot be guaranteed that the inside does not have mistake frame.
Summary of the invention
To solve the problems of the prior art, the present invention provides a kind of test method of interchanger transmission signal performance, also
Provide a kind of system for realizing the above method.
Test method of the invention includes the following steps:
A: setting length of testing speech, packet capturing file size, network interface card corresponding relationship；
B: the IP address and camera of configuration network interface card 2 and the port 2 of interchanger are in the same network segment；
C: the incoming traffic of configuration switch port 3 is mirrored to the port 1 connecting with network interface card 1；
D: starting timer sends instructions to network interface card 1 and network interface card 2, and network interface card 1 and network interface card 2 are carried out continuing packet capturing and be saved；
E: the file that network interface card 1 and network interface card 2 are caught is compared one by one and records difference.
The present invention is further improved, and in step D, when packet capturing file reaches the size of step A setting, sets up another one
File saves, and sets filename according to the time.
The present invention is further improved, in step D, when tested between when reaching the length of testing speech of setting, network interface card 1 and net
Card 2 stops packet capturing.
The present invention is further improved, and in step E, the file that network interface card 1 and network interface card 2 are caught is digital message, with byte
For unit.
The present invention is further improved, and in step E, difference includes different filename and byte, will be different
Place is recorded in txt file and saves, if filename is different, records filename；If the byte in same file name is not
Together, then filename and byte number are recorded.
The present invention is further improved, and after step E execution, further include checking test result step: tester is checked
Txt file checks test result.
The present invention also provides a kind of system for realizing above-mentioned test method, including camera, interchanger, server, institutes
Stating interchanger includes port 1, port 2 and port 3, wherein port 1 and port 2 are output port, and port 3 is input port；Institute
It states server and two network interface cards, respectively network interface card 1 and network interface card 2,3 phase of port of the output end and interchanger of the camera is set
Even, the network interface card 1 of the server is connect with the port 2 of interchanger, and the network interface card 2 of the server is connect with the port 2 of interchanger.
The present invention is further improved, and further includes video playback apparatus, and the camera can acquire the video playing
The video of device plays.
The present invention is further improved, and the video playback apparatus is television set, the video in the television for play USB flash disk
File.
The present invention is further improved, and the video signal compression of acquisition can be digital signal by the camera, with word
Section is that unit exports.
Compared with prior art, the beneficial effects of the present invention are: network interface card and interchanger configuration and packet capturing, be more all automatic
It completes, after tester only need to build environment according to networking diagram, opening equipment just can be carried out test, easy to operate；Compared to naked eyes
Observation, the present invention compare each byte of video file automatically, and judging result is reliable；The testing time is freely arranged in the present invention, surveys
Examination personnel can be tested using evening hours, improve testing efficiency.
Detailed description of the invention
Fig. 1 is the method for the present invention flow chart；
Fig. 2 is one embodiment of the invention method flow diagram；
Fig. 3 is schematic structural view of the invention.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
As shown in figure 3, the present invention is before testing, and test system building, including camera, interchanger, server first, institute
Stating interchanger includes port 1, port 2 and port 3, wherein port 1 and port 2 are output port, and port 3 is input port；Institute
It states server and two network interface cards, respectively network interface card 1 and network interface card 2,3 phase of port of the output end and interchanger of the camera is set
Even, the network interface card 1 of the server is connect with the port 2 of interchanger, and the network interface card 2 of the server is connect with the port 2 of interchanger.
The video of the camera acquisition of this example is the video of television for play, and therefore, television set is placed on 2 immediately ahead of camera
Rice place, one video file of band is slotting on a television set in USB flash disk, allows video in television for play USB flash disk.The network interface connection of camera
Switch port 3；Server PC needs two pieces of network interface cards, and network interface card 1 connects switch port 1, and network interface card 2 connects switch port 2；It connects
The power supply of all devices, television set set loop play video file.Then tester starts automation on server PC
Test program is tested；After test, tester checks test result by checking txt file.
In the present invention, tester need to only open all devices, and simple operations are carried out on server PC with regard to achievable friendship
The long-term test changed planes to video monitoring.
As shown in Figure 1, test method of the invention includes the following steps:
A: setting length of testing speech, packet capturing file size, network interface card corresponding relationship；
B: the IP address and camera of configuration network interface card 2 and the port 2 of interchanger are in the same network segment；
C: the incoming traffic of configuration switch port 3 is mirrored to the port 1 connecting with network interface card 1；
D: starting timer sends instructions to network interface card 1 and network interface card 2, and network interface card 1 and network interface card 2 are carried out continuing packet capturing and be saved；
E: the file that network interface card 1 and network interface card 2 are caught is compared one by one and records difference.
In step D, it when packet capturing file reaches the size of step A setting, sets up another a file and saves, and according to the time
Set filename.When reaching the length of testing speech of setting between when tested, network interface card 1 and network interface card 2 stop packet capturing.
In step E, the file that network interface card 1 and network interface card 2 are caught is digital message, as unit of byte.This example difference
Including different filename and byte, difference is recorded in txt file and is saved, if filename is different, recorded
Filename；If the byte in same file name is different, filename and byte number are recorded.
After step E execution, further include checking test result step: tester checks txt file, checks test knot
Fruit.
As shown in Fig. 2, the specific execution step of this example are as follows:
S1: starting, pop-up input frame, tester's input test duration, packet capturing file size, network interface card corresponding relationship, this
Place refers to network interface card 1 and the corresponding true network interface card of network interface card 2；
S2: judging whether input content is in order verification, if so, performing the next step, if not, pop-up prompt is " defeated
It is undesirable to enter content ", then it re-execute the steps S1；
S3: network interface card 2 is sent instructions to, the IP address and camera of configuration network interface card 2 and the IP address of interchanger are in same net
Section.Such as: 2 address of network interface card is 192.168.0.3, camera 192.168.0.1, switch address 192.168.0.2.
S4: calling the address of browser input interchanger on the server, and such as 192.168.0.2 logs in friendship by network interface card 2
It changes planes, is configured on switches, the incoming traffic duplication for the port 3 for making camera be connected with interchanger is a to port
1；
S5: calling the IP address 192.168.0.1 of browser input camera on the server, is taken the photograph by the access of network interface card 2
As head, real time inspection video monitoring, while starting timer n；
S6: sending instructions to network interface card 1 respectively and network interface card 2 persistently carries out packet capturing, is stored under different files；
S7: judging whether packet capturing file size reaches the value that tester specifies in step S1, if so, executing next
Step continues to execute step S6 if not, returning；
S8: saving under packet capturing file to different files, when packet capturing file reaches the size of tester's setting, meeting
It sets up another a file to save, and temporally names file；
S9: judging whether the value of timer n reaches length of testing speech, if so, stopping packet capturing, then performs the next step, such as
Fruit is no, returns to step S6；
S10: the message file caught to network interface card 1 and network interface card 2 is compared one by one.Since camera can be by the view of acquisition
Frequency signal compression is digital signal, as unit of byte.It is the report directly transmitted after camera compresses that network interface card 1, which is caught,
Text, it is message after have passed through switch processes that network interface card 2, which is caught, the message of the message of network interface card 2 and network interface card 1 is carried out one by one pair
Than recording filename if filename is different；If the byte in same file name is different, filename and byte are recorded
Number；If encountering different, illustrate that switch processes are problematic.
S11: recording different filename and byte number, saves as txt document, terminates.
The method of the present invention is simple and effective, and the configuration of network interface card and interchanger and packet capturing compare instruction are all automatically performed, test
After personnel only need networking to build environment, opening equipment just can be carried out test, easy to operate；Compared to pervious naked-eye observation, this hair
The bright each byte for being capable of providing automatic comparison video file, can not only identify different size of video file, additionally it is possible to
It identifies the i.e. wrong frame of different frame in two video files of same size, effectively identifies video file after interchanger transmits
Frame losing mistake frame data, judging result is efficiently, accurately, reliably；Testing time, such as survey in 12 hours etc. can be freely arranged in the present invention
The time is tried, tester can be tested using evening hours, improve testing efficiency.
The specific embodiment of the above is better embodiment of the invention, is not limited with this of the invention specific
Practical range, the scope of the present invention includes being not limited to present embodiment, all equal according to equivalence changes made by the present invention
Within the scope of the present invention.
Claims (9)
1. a kind of test method of interchanger transmission signal performance, it is characterised in that include the following steps:
A: setting length of testing speech, packet capturing file size, network interface card corresponding relationship；
B: the IP address and camera of configuration network interface card 2 and the port 2 of interchanger are in the same network segment；
C: the incoming traffic of configuration switch port 3 is mirrored to the port 1 connecting with network interface card 1；
D: starting timer sends instructions to network interface card 1 and network interface card 2, and network interface card 1 and network interface card 2 are carried out continuing packet capturing and be saved；
E: the file caught to network interface card 1 and network interface card 2 compares one by one and records difference,
In step E, difference includes different filename and byte, and difference is recorded in txt file and is saved,
If filename is different, filename is recorded；If the byte in same file name is different, filename and byte number are recorded.
2. test method according to claim 1, it is characterised in that: in step D, set when packet capturing file reaches step A
When fixed size, sets up another a file and save, and set filename according to the time.
3. test method according to claim 2, it is characterised in that: in step D, when tested between reach the survey of setting
When trying duration, network interface card 1 and network interface card 2 stop packet capturing.
4. test method according to claim 1, it is characterised in that: in step E, file that network interface card 1 and network interface card 2 are caught
For digital message, as unit of byte.
5. test method according to claim 1, it is characterised in that: further include checking test result after step E execution
Step: tester checks txt file, checks test result.
6. a kind of test macro for realizing any one of claim 1-5 test method, it is characterised in that: including camera,
Interchanger, server, the interchanger include port 1, port 2 and port 3, wherein port 1 and port 2 are output port, end
Mouth 3 is input port；The server is arranged two network interface cards, respectively network interface card 1 and network interface card 2, the output end of the camera with
The port 3 of interchanger is connected, and the network interface card 1 of the server is connect with the port 1 of interchanger, the network interface card 2 of the server and friendship
The port 2 changed planes connects.
7. test macro according to claim 6, it is characterised in that: it further include video playback apparatus, the camera energy
Enough acquire the video that the video playback apparatus plays.
8. test macro according to claim 7, it is characterised in that: the video playback apparatus is television set, the electricity
The video file in USB flash disk is put depending on machine sowing.
9. test macro according to claim 7, it is characterised in that: the camera can be by the vision signal pressure of acquisition
It is condensed to digital signal, is exported as unit of byte.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610871823.0A CN106330621B (en) | 2016-09-30 | 2016-09-30 | A kind of test method and test macro of interchanger transmission signal performance |
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| CN201610871823.0A CN106330621B (en) | 2016-09-30 | 2016-09-30 | A kind of test method and test macro of interchanger transmission signal performance |
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| CN106330621A CN106330621A (en) | 2017-01-11 |
| CN106330621B true CN106330621B (en) | 2019-09-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525509A (en) * | 2017-09-19 | 2019-03-26 | 中兴通讯股份有限公司 | Network interface card mirror image packet snapping method, terminal and readable storage medium storing program for executing |
| CN110138691B (en) * | 2019-05-09 | 2021-03-23 | 深圳市吉祥腾达科技有限公司 | Switch spanning tree protocol anti-loop stability test method and tool |
| CN110784375B (en) * | 2019-10-24 | 2021-10-12 | 新华三信息安全技术有限公司 | Network data monitoring method and device, electronic equipment and storage medium |
| CN111343452B (en) * | 2020-02-28 | 2021-07-06 | 深圳市吉祥腾达科技有限公司 | Switch monitoring belt machine quantity testing method of analog camera |
| CN113452965B (en) * | 2021-06-25 | 2023-08-11 | 深圳市吉祥腾达科技有限公司 | Automatic test method and system for testing compatibility of switch and network camera |
| CN114500336B (en) * | 2022-01-11 | 2024-02-13 | 南京南瑞信息通信科技有限公司 | Time-sensitive network gating scheduling and per-flow filtering management test method |
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| CN1917452A (en) * | 2005-08-19 | 2007-02-21 | 上海亿人通信终端有限公司 | Method for testing forwarding performance of Ethernet exchange, and method for configuring network |
| CN105610641A (en) * | 2015-12-21 | 2016-05-25 | 武汉微创光电股份有限公司 | Switch testing system and testing method based on semi-physical simulation |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1917452A (en) * | 2005-08-19 | 2007-02-21 | 上海亿人通信终端有限公司 | Method for testing forwarding performance of Ethernet exchange, and method for configuring network |
| CN105610641A (en) * | 2015-12-21 | 2016-05-25 | 武汉微创光电股份有限公司 | Switch testing system and testing method based on semi-physical simulation |
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