CN107317727A - Loop testing method, device and router - Google Patents
Loop testing method, device and router Download PDFInfo
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- CN107317727A CN107317727A CN201710525421.XA CN201710525421A CN107317727A CN 107317727 A CN107317727 A CN 107317727A CN 201710525421 A CN201710525421 A CN 201710525421A CN 107317727 A CN107317727 A CN 107317727A
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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
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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
- H04L43/50—Testing arrangements
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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
- H04L45/60—Router architectures
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a kind of loop testing method, device and router, it is related to communication technical field.Wherein, methods described includes：Before test data is sent or in transmission process, the first test port of control sends background data message to the second test port；When second test port receives the background data message, control second test port that the background data message is sent into first test port；When first test port receives the background data message, control first test port that the background data message is sent into second test port again, background data message forms the data flow of linear speed on the measurement circuit including first test port and second test port, make that there is sufficiently high test pressure on measurement circuit, when test data carries out loopback test on measurement circuit, more accurate test result can be obtained.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of loop testing method, device and router.
Background technology
Router is as the core communication equipment of internet, the requirement more and more higher to its reliability.Major device fabrications
Business also tries every possible means, and the software and hardware quality of router is ensured by various test examination means, and equipment dispatch from the factory before production
Test is exactly one of important step.
Ethernet interface loopback is tested oneself during (from ring or mutual ring) be exactly a kind of existing method of testing to router, by short
Ether interface is attached by netting twine or loopback line, and carrying out data transmit-receive by software construction test data message tests oneself, into
This is low, and expense is small, easily deployment.
But in the method for testing, to the test pressure of hardware not enough, may cause to the test result of router not
Accurately, it is qualified to cause the test of underproof router.
The content of the invention
In view of this, the embodiments of the invention provide a kind of loop testing method, device and router, routing device is lifted
To the test pressure of hardware in loopback test, to solve the above problems.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of loop testing method, applied to routing device, the routing device includes the first test port and second
Test port, methods described includes：Before test data is sent or in transmission process, the first test port of control is surveyed to second
Try port and send background data message；When second test port receives the background data message, control described second
The background data message is sent to first test port by test port；Described in being received when first test port
Background data message, controls first test port that the background data message is sent into second test lead again
Mouthful, the background data message is formed on the measurement circuit including first test port and second test port
The data flow of linear speed.
A kind of loopback test device, described device includes：First test port sending module, for being sent in test data
In preceding or transmission process, the first test port of control sends background data message to the second test port, or
When first test port receives the background data message, first test port is controlled again by institute
State background data message and be sent to second test port,
Residing background data message is in the measurement circuit including first test port and second test port
The upper data flow for forming linear speed；
Second test port sending module, for receiving the background data message when second test port, control
Make second test port and the background data message is sent to first test port.
A kind of router, the router includes memory, processor and above-mentioned loopback test device, the loopback
Test device is installed on the memory and by the computing device.
In loop testing method and device provided in an embodiment of the present invention, by the first test port to the second test port
Background data message is sent, the background data message is returned to the by the second test port after the background data message is received
One test port, the first test port is after the background data message of the second test port return is received again by the background data
Message is sent to the secondth test port, and the first test port and the second test port pass through the transmitting-receiving to background data message
The data flow of linear speed is formed on measurement circuit, makes that there is sufficiently high test pressure on measurement circuit, test data is in test
When carrying out loopback test on circuit, more accurate test result can be obtained.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 shows the test port connection diagram for the routing device that present pre-ferred embodiments are provided；
Fig. 2 shows the flow chart for the loop testing method that first embodiment of the invention is provided；
Fig. 3 shows the functional block diagram for the loopback test device that second embodiment of the invention is provided；
Fig. 4 shows the structured flowchart for the router that present pre-ferred embodiments are provided.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
Fig. 1 shows the first test port 110 and the second test port for the routing device 100 that the present embodiment is provided
120 test connection figure, the first test port 110 of interconnection and the second test port 120 formation measurement circuit, its
In, the routing device 100 can be router, and the first test port 110 and the second test port 120 can be that ether connects
Mouthful.
In the present embodiment, the first test port 110 and the second test port 120 can be two on routing device 100
Individual different port, the loop testing method that the present embodiment is provided is used for the mutual ring test of routing device 100.In addition, first surveys
The same port that the test port 120 of port 110 and second can also be on routing device is tried, the loopback test sets for route
Standby 100 self-looped testing.When the first test port 110 and the second test port 120 are same port, the port is one
The port of full duplex.
First test port 110 and the second test port 120 can be interconnected by short netting twine, make the first test port
110 and second can carry out data transmit-receive between test port 120, certainly, the first test port 110 and the second test port
120 connection method in loopback test is not limited in the present embodiment, can pass through two surveys in existing loopback test
Connection method between examination port is attached.Furthermore it is possible to understand, Fig. 1 is route as just the signal to routing device
The specific port number of equipment and the specific port tested are not intended as the restriction in the present embodiment.
First embodiment
A kind of loop testing method is present embodiments provided, Fig. 2 is referred to, this method includes：
Step S110：Before test data is sent or in transmission process, the first test port 110 of control is tested to second
Port 120 sends background data message.
Test data is the data for the first test port 110 and second port receive and dispatch test, the test
The transmissions of data, receive and analysis is not limited in this embodiment, can with the prior art by test data to route
The loopback test of equipment is consistent.
If the first test port 110 of control sends background data report to the second test port 120 before test data is sent
And then text, then after test data transmission, can send background data message, send test data with sending background data report
The time difference of text does not limit in the present embodiment.
Simply, in the present embodiment, the survey for the first test port 110 of analysis and the performance of the second test port 120
Data are tried, preferably background data message is in the measurement circuit where the first test port 110 and the second test port 120
Formed after linear speed, the test data of transmitting-receiving, to be used in the survey of the analysis performance of the first test port 110 and second port performance
Examination data are the test data received and dispatched in measurement circuit under elevated pressures.
In addition, background data message in the present embodiment and test data message are different messages, and the background data report
The existing various messages of Wen Weiyu have the message of different characteristic, that is to say, that the background data message is with identity
Message, to be different from message of the prior art, enable the first test port 110 and the second test port 120 to background
Data message is correctly recognized.The background data message can be constructed by the first test port 110, and message can be wide
Report is literary or is promiscuous mode by two test port configurations, then chooses unicast message, it is most important that carry on the back this
Scape data message is configured to the message for having different characteristic with existing various messages, can before being tested by order or
Code configuration is good.
In the present embodiment, specific identifier can be carried in background data message to identify it as background data message body
Part.Specifically, the specific identifier can carry the EtherType field in background data message, the EtherType field is located at
After source MAC, with two byte bit wides.It is preferred that, the occurrence of the specific identifier in background data message is existing
In agreement and untapped field value, such as 0x9527.Certainly, the tool of field where the specific identifier carried in background data message
Body position, specific bit wide and occurrence are not limited in the present embodiment, as long as can be used to identify background data message difference
In the routing device other messages involved in test process.
Can be 1024 bytes to any between 2048 bytes in addition, background data message is the long message of regular length
The message of length, certainly, its specific length are not also limited in the present embodiment, can be according to the background data in measurement circuit
Background data packet sending and receiving cycle, software processing speed and equipment storage capacity that the transmitting-receiving of message is formed required for linear speed etc.
Factor is together decided on.For example, the length selection of background data message is 1518 bytes.
Step S120：When second test port 120 receives the background data message, second test is controlled
The background data message is sent to first test port 110 by port 120.
Step S130：When first test port 110 receives the background data message, first test is controlled
The background data message is sent to second test port 120 by port 110 again,
Residing background data message is in the survey including first test port 110 and second test port 120
Try the data flow of formation linear speed on circuit.
When the second test port 120 receives the background data message of the first test port 110 transmission, then by the background number
The first test port 110 is returned to according to message, the first test port 110 receives the background number of the second test port 120 return
The second test port 120 is returned to according to message, and by the background data message, makes background data message in the first test port
110 and second come and go between test port 120 and send, to form the data flow for reaching linear speed in measurement circuit.
Wherein, because background data message is the message with identity, then report is received in the first test port 110
Wen Shi, can determine whether the message received is background data message, if so, then by the background number according to the analysis to message
The second test port 120 is sent to according to message.Likewise, when the second test port 120 receives message, can also be according to right
The analysis of the message received is determined whether for background data message, if so, the background data message then is sent into the first survey
Try port 110.
For example, the EtherType field value in background data message is 0x9527, then the first test port 110 or second is surveyed
Examination port 120 is received after message, and the EtherType field in message is parsed, once EtherType field etc. in message
In 0x9527, then it is assumed that the message is background data message, is directly sent from this test port.
In addition, the data flow to form linear speed on measurement circuit, the transmission rate to background data message is more than or waited
Speed needed for the data flow of linear speed is formed on measurement circuit, that is to say, that small to the transmission cycle of background data message
The back of the body is sent in or equal to the time cycle that can be formed on measurement circuit needed for the data flow of linear speed, i.e. the first test port 110
The time difference that the time of scape data message returns to the background data message with the second test port 120 is less than or equal to week time
Phase.For example, the first test port 110 sends background data message, the second test lead in the very first time to the second test port 120
Mouthfuls 120 receive after the background data message and to return to the background data message, first to the first test port 110 in the second time
Test port 110 is after the background data message of the second test port 120 return is received, in the 3rd time again to the second test
Port 120 send background data message, then the time difference between the very first time and the second time should be less than or equal to the above-mentioned time
Cycle, the time difference between the second time and the 3rd time should be less than or equal to the above-mentioned time cycle.
Specifically, because the corresponding calculation formula of linear speed is：Line speed (bits)=(message length+fixed overhead) *
Message number * 8 per second, wherein, fixed overhead is usually 20, and message length and fixed overhead unit are byte, and 8 represent one
Individual 8 bit of byte.Linear speed is then if desired formed on measurement circuit, then in the first test port 110 and the second test port
Period of time T=((message length+fixed overhead) * 8)/message number per second that message is sent on measurement circuit where 120.
By size be the background data messages of 1518 bytes, exemplified by the test port of gigabit, if desired on measurement circuit
Linear speed is formed, the message number x=1000000000/ ((1518+20) * 8) of each second then needs the message number sent each second
Mesh x=81274.4pps (packet per second), then under gigabit speed, the background data message of 1518 bytes is sent
Maximum period of time be T=1/81274.4pps=1.23*10(-5)S, the maximum period of time is the shape on measurement circuit
Into the time cycle required for linear speed, message send the cycle be less than or equal to the maximum period of time can on measurement circuit shape
Into linear speed.
Because when ether interface carries out loopback test, the length of whole ether physical circuit is shorter, is generally averaged
In 30CM or so, according to the transmission rate of the Ethernet message light velocity on the line, the transmission time of the physical circuit of 30CM length is
0.8*10-10Second, i.e., in loopback test, transmission time of the message on physical circuit is extremely short, can be ignored, then and first
The test port 120 of test port 110 and second send background data message during, as long as send the cycle be less than it is above-mentioned most
The big time cycle, then linear speed can be formed on measurement circuit.And existing communication processor on measurement circuit for forming line
The time cycle of speed can be easily met, therefore, by background data message in the first test port 110 and the second test lead
Round transmission between mouth 120 forms linear speed data flow and easily realized.
In the present embodiment, the data flow of linear speed, two test leads are formed on measurement circuit by background data message
Mouth is in high pressure test mode, therefore, is formed on measurement circuit after the data flow of linear speed, the test data on measurement circuit
Can be used for the test port of the test analysis to test port, i.e., two can carry out the transmitting-receiving of normal test data message,
Carry out corresponding test statisticses and the handling process such as test result is reported.Under high pressure test mode, pass through test data
Test result to test port is more reliable and more stable, more accurately.Relative to prior art, make the ring of original test port
The test pressure for returning test is greatly improved, so as to enhance the proof strength of production test, improves factory inspection and acceptance standard,
Positive role is brought for the product control of product.
Also, in the method that the present embodiment is provided, the speed of ether physical circuit is make use of as " back pressure ", it is not necessary to drive
The dynamic batch message that carries out is configured to realize background data stream, and addition is needed due to having sent more than linear speed without consideration
Fault-tolerant processing；Also, it is small to memory cost, due to not needing the structure background data message of batch, avoid the need in substantial amounts of
Deposit expense, it is only necessary to which special message this to background data message is reprocessed.
Second embodiment
A kind of loopback test device 200 is present embodiments provided, Fig. 3 is referred to, the device includes：
First test port sending module 210, for before test data is sent or in transmission process, control first to be surveyed
Try port 110 and send background data message to the second test port 120, or
When first test port 110 receives the background data message, first test port 110 is controlled again
It is secondary that the background data message is sent to second test port 120, with including first test port 110 and
The data flow of linear speed is formed on the measurement circuit of second test port 120.
Second test port sending module 220, for receiving the background data report when second test port 120
Text, controls second test port 120 that the background data message is sent into first test port 110.
Wherein, the first test port sending module 210 and the second test port sending module 220 are to background data bag report
The speed that the transmission rate of text is more than or equal to needed for the data flow that linear speed is formed on measurement circuit.
Further, in the present embodiment, specific identifier is carried in background data message, to identify the background data
The identity of message, the message of the specific identifier is carried when first test port 110 is received, the first test port hair
Module 210 is sent to be judged to receiving the background data message.The spy is carried when second test port 120 is received
The message known is calibrated, the second test port sending module 220 is judged to receiving the background data message.
Wherein, background data message is the long message of regular length, such as 1024 bytes to random length between 2048 bytes
Message, the specific identifier in background data message can carry the EtherType field in background data message, and this is specific
The value of mark can be 0x9527.
3rd embodiment
A kind of router 300 is present embodiments provided, Fig. 4 is referred to, the router 300 includes memory 310, processor
320 and second embodiment described in loopback test device 200, the loopback test device 200 is installed on the memory simultaneously
By the computing device.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of loop testing method, it is characterised in that applied to routing device, the routing device includes the first test port
And second test port, methods described includes：
Before test data is sent or in transmission process, the first test port of control sends background data to the second test port
Message；
When second test port receives the background data message, second test port is controlled by the background number
First test port is sent to according to message；
When first test port receives the background data message, first test port is controlled again by the back of the body
Scape data message is sent to second test port,
Residing background data message shape on the measurement circuit including first test port and second test port
Into the data flow of linear speed.
2. according to the method described in claim 1, it is characterised in that the transmission rate of the background data message is more than or equal to
The speed formed on measurement circuit needed for the data flow of linear speed.
3. according to the method described in claim 1, it is characterised in that carry specific identifier in the background data message, with
The identity of the background data message is identified,
First test port or second test port receive the message for carrying the specific identifier, are determined as
Receive the background data message.
4. method according to claim 3, it is characterised in that the specific identifier is carried in the background data message
EtherType field.
5. the method according to claim 3 or 4, it is characterised in that the specific identifier is 0x9527.
6. the method according to claim any one of 1-3, it is characterised in that the background data message is regular length
Long message.
7. according to the method described in claim 1, it is characterised in that first test port and second test port
For two different ports on routing device.
8. according to the method described in claim 1, it is characterised in that first test port is with second test port
Same full-duplex port on routing device.
9. a kind of loopback test device, it is characterised in that described device includes：
First test port sending module, for before test data is sent or in transmission process, controlling the first test port
Background data message is sent to the second test port, or
When first test port receives the background data message, first test port is controlled again by the back of the body
Scape data message is sent to second test port,
Residing background data message shape on the measurement circuit including first test port and second test port
Into the data flow of linear speed；
Second test port sending module, for receiving the background data message when second test port, controls institute
State the second test port and the background data message is sent to first test port.
10. a kind of router, it is characterised in that the router includes the ring described in memory, processor and claim 9
Test device is returned, the loopback test device is installed on the memory and by the computing device.
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| CN201710525421.XA CN107317727A (en) | 2017-06-30 | 2017-06-30 | Loop testing method, device and router |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710525421.XA CN107317727A (en) | 2017-06-30 | 2017-06-30 | Loop testing method, device and router |
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Cited By (1)
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| CN108234246A (en) * | 2018-01-22 | 2018-06-29 | 郑州云海信息技术有限公司 | A kind of method and system of multidirectional server network performance |
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Application publication date: 20171103 |