CN105262635A - Looped network protection protocol switching time automatic testing method, equipment and system - Google Patents
Looped network protection protocol switching time automatic testing method, equipment and system Download PDFInfo
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Abstract
The invention discloses a looped network protection protocol switching time automatic testing method, equipment and system. The method comprises the following steps: configuring networking equipment in a looped network according to a protocol to be tested in order that the networking equipment in the looped network is communicated with one another according to the protocol to be tested; and executing a switching or back-switching operation on the looped network equipment, and calculating a switching or back-switching time according to a difference between quantities of data packets received and transmitted within a set time after switch-off or switch-on of a port and a set data packet transmission rate. According to the automatic testing method, equipment and system, a communication with switch equipment is controlled through an automatic program, the switch-on and switch-off of the port are executed according a control instruction, and a switching time is calculated with a method of calculating a packet loss number, thereby increasing the working efficiency. On the other hand, the automatic testing method, equipment and system can adapt to various switches and various looped network protection protocols; the protocol to be tested and test times can be specified automatically as required to perform testing; and higher test flexibility is achieved.
Description
Technical field
The present invention relates to communication field, particularly the method, apparatus and system of looped network protection protocol switching time automatic test.
Background technology
No matter be enterprise or communication operator, loop problem is one of subject matter causing network quality to decline even paralysing always, and information is not smooth brings economic loss to numerous unit.
The formation of all loops all causes confusion because destination path is indefinite and causes.Network loop causes network upheaval, and cause packet to enter black hole, cause packet loss, serious meeting causes network paralysis.In current network fault, what link and equipment fault caused network communications quality to decline occupies the majority, and usually in network design and rectification process, also improperly can cause network loop fault due to arranging of path.Due to the generality of loop fault, loop problem is the major issue of puzzlement network management all the time.
Network loop generally includes double-layer loop and shellring road.Wherein, double-layer loop all has redundant link to cause usually.Double-layer loop will cause the packet storm of two layers of multicast or broadcast.After the ARP table time-out of switch, so exchange opportunity refreshes arp entry, and each ARP bag meeting continuous loopback in a network, can not be terminated.
Current switch can support multiple looped network protection agreement, as EAPS, ERPS etc.Looped network protection agreement when link or equipment break down, can be switched to normal link or equipment fast.When different switch model is suitable for the looped network protection agreement of setting, there is different switching times, be normally used for the performance evaluating switch this switching time.Due to the relay testing not for double-layer loop in existing test macro, in order to test the switching time of double-layer loop, conventional way adopts test instrumentation to carry out beating stream, and manual switchover is to normal link, then calculates switching time.But the program needs repeatedly to verify repeatedly, just can draw the average switching time of switch, and need manual operations and calculate, consuming time very long, operating efficiency is lower.
Consider above-mentioned factor, be necessary to provide a kind of looped network protection protocol switching time automatic test mechanism.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of looped network protection protocol switching time automatic test mechanism.
According to some aspect of the present invention, the invention provides a kind of system of looped network protection protocol switching time automatic test, comprise control appliance and the networking equipment in order to form described looped network to be tested, wherein, described control appliance is connected with the first networking equipment, and send packet by described first networking equipment to described looped network to be tested, and be connected with the second networking equipment, receive packet by described second networking equipment from described looped network to be tested; Wherein, described control appliance controls the operation that described first networking equipment performs closedown/unlatching port, and in the first setting-up time, control described first networking equipment execution stopping transmission/transmission packet, and in the second setting-up time, control described second networking equipment execution stopping reception/reception packet, add up the data packet number that described second networking equipment receives, the data package transmission velocity according to setting calculated the switching/switchback time.
According to some aspect of the present invention, present invention also offers a kind of method of looped network protection protocol switching time automatic test, it is characterized in that, comprise: according to agreement to be tested, networking equipment in looped network is configured, makes to communicate according to described agreement to be tested between each networking equipment in described looped network; Described looped network equipment is performed and switches or switchback operation, according to the data packet number difference receiving and send in setting-up time after port shutdown or unlatching, and the data package transmission velocity of setting, calculating switches or the switchback time.
According to some aspect of the present invention, present invention also offers a kind of looped network protection protocol switching time automated test device, it is characterized in that, comprise: the first communication interface and second communication interface, be suitable for realizing and carrying out physical connection between local network transport medium and the signal of telecommunication mates, the encoding and decoding of the encapsulation of the transmission of achieve frame and reception, frame and opening, medium access control, data and data buffer storage; Memory, is suitable for storing the data packet number arrived via second communication interface; Processor, is connected with described first communication interface, described second communication interface and described memory, by described first communication interface transmission instruction and according to setting rate sending data bag, and by described second communication interface packet; Described processor further comprises, and the quantity according to receiving packet calculates the quantity of packet loss, and according to the quantity of described packet loss and data package transmission velocity, calculates and switches and time of switchback.
Compared with prior art, the present invention is controlled by the communication of automated procedures pair and switch device, is performed closedown and the unlatching of port by control command, and adopts the method calculating number of dropped packets to calculate switching time, improves operating efficiency; On the other hand, the present invention can adapt to all kinds switch and various looped network protection agreement, and can agreement to be measured and testing time be specified as required voluntarily to test, and has higher test flexibility.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of a kind of execution mode of the system of looped network protection protocol switching time automatic test of the present invention.
Fig. 2 is the schematic flow sheet of a kind of execution mode of the method for looped network protection protocol switching time automatic test of the present invention.
Fig. 3 is the schematic flow sheet of kind of the execution mode of step S220 mono-shown in Fig. 2.
Fig. 4 is the block schematic illustration of kind of the execution mode of step S230 mono-shown in Fig. 2.
Fig. 5 is the block schematic illustration of a kind of execution mode of the equipment of looped network protection protocol switching time automatic test of the present invention.
Embodiment
Below with reference to accompanying drawing, example embodiment is described more comprehensively.Reference numeral identical in accompanying drawing will be used to refer to same or analogous parts.Although the following describe some exemplary embodiments of the present invention and feature, but when not deviating from invention thinking of the present invention, the amendment that the present invention is carried out, adjustment and other replace and realize, such as, equivalent replacement is carried out to parts shown in accompanying drawing, adds or amendment, or by replacing, resequence or adding step, should not limitation of the present invention be caused.Proper range of the present invention should be defined by claims.
According to some embodiment, the present invention proposes a kind of looped network protection protocol switching time automatic test mechanism, automatically can carry out the looped network switch test repeatedly of switch, and calculate each switching time, simplify manual operation, promote operating efficiency.
With reference to figure 1; Fig. 1 shows the structured flowchart of a kind of embodiment of looped network protection protocol switching time automatization test system of the present invention, and wherein, system can comprise control appliance 110; and in order to form the networking equipment of looped network to be tested, such as networking equipment 122,124 and 126.
Wherein, networking equipment 122, to connect by optical fiber between 124 and 126, composition looped network, for test.Networking equipment 122,124 and 126 can be switch, or other can adopt information that artificial or automatic mode will be transmitted to deliver to the equipment of satisfactory corresponding route.
Control appliance 110 with in networking equipment 122,124,126 any two be connected by network.According to some execution mode, control appliance 110 can be and comprises central processing unit (CPU), the equipment of the message processing module of Graphics Processing Unit (GPU) or other adaptations.Control appliance 110 can comprise at least two further and to throw the net card, and network interface card 1 and network interface card 2, wherein, network interface card 1 is connected with the port of a networking equipment, and network interface card 2 is connected with the port of another networking equipment.
The FB(flow block) of a kind of embodiment of looped network protection protocol switching time automated testing method of the present invention is shown with reference to figure 2, Fig. 2.In shown automatic test course, first, perform step S200, control appliance 110 receives agreement to be tested and testing time.
Then, control appliance 110 performs step S210, is configured networking equipment.Such as, control appliance 110 respectively to networking equipment 122,124 and 126 sending controling instruction forming looped network according to received agreement to be measured, configures each networking equipment and communicates according to this agreement to be measured.Specifically, control appliance 110 can send configuration control command, control the networking equipment that network interface card 1 is connected by it according to setting speed S, such as networking equipment 122, send the packet for communicating, and received the packet transmitted via the looped network be made up of networking equipment 122,124 and 126 by network interface card 2.
Then, control appliance 110 performs handover operation S220.Specifically, with reference to figure 3, described handover operation S220 can comprise: perform step S222, the out code of control appliance 110 transmit port, control network interface card 1 to stop in setting-up time T1 giving out a contract for a project after transmit port out code, and control network interface card 2 stop packet receiving in setting-up time T2 after transmit port out code.Then, perform step S224, the quantity Q of packet loss added up by control appliance 110.In one embodiment, can calculate according to Q=S*T1-P, wherein, P is the packet received by network interface card 2.Then, perform step S226, according to data package transmission velocity, calculate switching time; Such as, switching time t1=Q/S.In some embodiments, according to received testing time, can repeatedly perform repeatedly above-mentioned handover operation, and calculate the mean value of switching time.
Then, control appliance 110, when networking equipment port shutdown, performs switchback operation S230.Specifically, with reference to figure 4, described switchback operation S230 can comprise: step S232, control appliance 110 sending controling instruction, control network interface card 1 to start to give out a contract for a project in setting-up time T1 ' after transmit port open command, and control network interface card 2 beginning packet receiving in setting-up time T2 ' after transmit port open command.Then, perform step S234, the quantity Q ' of packet loss added up by control appliance 110, and according to data package transmission velocity, calculates switching time.In one embodiment, can calculate according to Q '=S*T1 '-P ', wherein, P ' is the packet received by network interface card 2, then, calculates switchback time t2, makes t2=Q '/S.In some embodiments, according to received testing time, repeatedly can perform repeatedly the operation of above-mentioned switchback, and calculate the mean value of switchback time.
According to some execution mode, handover operation S220 and switchback operation S230 can exchange, and such as, when detecting that networking equipment is in the situation of port shutdown, first can perform switchback operation S230 to networking equipment, and then perform handover operation S220.
According to some execution mode, single can be replaced and perform handover operation S220 and switchback operation S230, thus improve the efficiency of test.
With reference to figure 5, show the structured flowchart of a kind of embodiment of looped network protection protocol switching time automated test device of the present invention, wherein, described equipment 300 can comprise: processor 301, communication interface 302 and memory 303.
Wherein, processor 301 can be central processing unit (CPU), the messaging device of Graphics Processing Unit (GPU) or other adaptations.According to adopted type of hardware, described processor can comprise one or more printed circuit board (PCB), and/or one or more micro-chip processor.Described processor executable computer program command is to realize above-mentioned looped network protection protocol switching time automated testing method.
Communication interface 302 and 303 is suitable for realizing and carrying out physical connection between local network transport medium and the signal of telecommunication mates, the functions such as the encoding and decoding of the encapsulation of the transmission of achieve frame and reception, frame and opening, medium access control, data and data buffer storage.According to some execution mode, communication interface 302 and 303 can be network interface card, the control command of its receiving processor 301, performs transmission or the reception of packet.According to some execution mode, also can comprise more than two communication interfaces.
Memory 304 can be suitable for storing data, such as, for storing the quantity etc. of the packet received.Memory 303 also can comprise random access memory (RAM) and/or read-only memory (ROM), stores the software program run by one or more described processor.Described database can comprise one or more magnetic-based storage media, such as hard disk; One or more optical storage medium, such as CD (CD), erasable optical disk (CD-Rs), can rewritable disk (CD ± RWs) repeatedly, DVDs, erasable DVD (DVD ± Rs), can erasable DVD (DVD ± RWs) repeatedly, blue-ray DVD; One or more semiconductor storage medium, such as flash memory, SD card, memory stick, or the computer-readable media of other adaptation.
According to some execution mode, processor 301 is according to agreement to be measured, to communication interface 302 and 303 sending controling instruction, communication interface 302 is made to carry out the transmission of packet according to setting speed, and receive packet by communication interface 303, and the quantity of received packet is added up, statistics is stored in memory 304.
Then, the instruction that processor 301 cuts out to communication interface 302 transmit port, and notify that communication interface 302 stops in setting-up time T1 sending packet after receiving port shutdown instruction, and notice communication interface 303 stops in setting-up time T2 receiving packet after receiving port shutdown instruction.Then, the quantity Q of packet loss added up by processor 301, and wherein, Q=S*T1-P, P are the quantity of the packet received added up via memory 304.Then, processor 301, according to data package transmission velocity, calculates t1=Q/S switching time.Similar, the instruction that processor 301 is opened to communication interface 302 transmit port, and notify that communication interface 302 starts to send packet in setting-up time T1 ' after receiving port open instruction, and notice communication interface 303 starts to receive packet in setting-up time T2 ' after receiving port open instruction.Then, the quantity Q ' of packet loss added up by processor 301, and wherein, Q '=S*T1 '-P ', P ' is the quantity of the packet received added up via memory 304.Then, processor 301, according to data package transmission velocity, calculates switchback time t2=Q '/S.
Compared to prior art, the present invention is controlled by the communication of automated procedures pair and switch device, is performed closedown and the unlatching of port by control command, and adopts the method calculating number of dropped packets to calculate switching time, improves operating efficiency; On the other hand, the present invention can adapt to all kinds switch and various looped network protection agreement, and can agreement to be measured and testing time be specified as required voluntarily to test, and has higher test flexibility.
Only for purposes of illustration, herein some aspect and embodiment with reference to component description shown in accompanying drawing.But the function of shown assembly can be overlapping, and can present with the element of less or more quantity and assembly.In addition, all or part of function of shown element can coexist or distribute between the position of some local position distributions.And embodiments of the invention, feature, aspect and principle can realize in various embodiments, and be not limited to shown environment.In addition, the sequence of above-mentioned event is exemplary, and is not intended to restriction.Therefore, other method step can be used, even and if utilize said method, the certain order of event also alterable and do not deviate from scope of the present invention.And, some step may not be there is and the step of adding can be realized.
The each execution mode of the invention described above usually can within Computer Systems Organization well known in the art or on implement, the function of each execution mode of described the present invention can pass through hardware or software simulating.On software, parts can be a step, a process or wherein a part of, and it performs specific or correlation function.On hardware, parts are exactly the functional hardware unit being designed to use together with other parts.Such as, parts can use discrete electronic unit to realize, or form the part of whole circuit for such as application-specific integrated circuit (ASIC) (ASIC), also exist many other may.Those skilled in the art be appreciated that the present invention also by hardware component and software part combination and realize.
After considering specification and realizing the present invention disclosed herein, other embodiments of the present invention will be apparent to those skilled in the art.Specification and example are only exemplary, and actual range of the present invention and spirit are indicated by claims.
Claims (12)
1. the system of a looped network protection protocol switching time automatic test, comprise control appliance and the networking equipment in order to form described looped network to be tested, wherein, described control appliance is connected with the first networking equipment, and send packet by described first networking equipment to described looped network to be tested, and be connected with the second networking equipment, receive packet by described second networking equipment from described looped network to be tested; It is characterized in that,
Described control appliance controls the operation that described first networking equipment performs closedown/unlatching port, and in the first setting-up time, control described first networking equipment execution stopping transmission/transmission packet, and in the second setting-up time, control described second networking equipment execution stopping reception/reception packet, add up the data packet number that described second networking equipment receives, the data package transmission velocity according to setting calculated the switching/switchback time.
2. the system as claimed in claim 1, is characterized in that, described control appliance comprises further, is configured described networking equipment according to described agreement to be measured.
3. the system as claimed in claim 1, is characterized in that, described control appliance comprises network interface card further, is suitable for being connected with described networking equipment, carries out the transmission of data and instruction.
4. system as claimed any one in claims 1 to 3, it is characterized in that, described networking equipment is switch.
5. a method for looped network protection protocol switching time automatic test, is characterized in that, comprising:
According to agreement to be tested, the networking equipment in looped network is configured, makes to communicate according to described agreement to be tested between each networking equipment in described looped network;
Described looped network equipment is performed and switches or switchback operation, according to the data packet number difference receiving and send in setting-up time after port shutdown or unlatching, and the data package transmission velocity of setting, calculating switches or the switchback time.
6. method as claimed in claim 5, is characterized in that, describedly performs handover operation to looped network equipment and comprises:
To the out code of described looped network equipment transmit port, and stop giving out a contract for a project in the first setting-up time after the described port shutdown instruction of transmission, and stop packet receiving in the second setting-up time;
The quantity of statistics packet loss;
According to the data package transmission velocity of setting, calculate switching time.
7. method as claimed in claim 5, is characterized in that, described operation looped network equipment execution switchback comprises:
To described looped network equipment transmit port open command, and send packet in the first setting-up time after the described port open instruction of transmission, and receive packet in the second setting-up time;
The quantity of statistics packet loss;
According to the data package transmission velocity of setting, calculate switching time.
8. the method as described in claim 5 or 6, is characterized in that, according to the testing time of setting, repeatedly performs and repeatedly switches or switchback operation, and calculate the mean value of switching time or switchback time; Or alternately single performs described handover operation and the operation of described switchback.
9. the method as described in claim 5 or 6, is characterized in that, comprises further: receive agreement to be tested and testing time.
10. a looped network protection protocol switching time automated test device, is characterized in that, comprising:
First communication interface and second communication interface, be suitable for realizing and carrying out physical connection between local network transport medium and the signal of telecommunication mates, the encoding and decoding of the encapsulation of the transmission of achieve frame and reception, frame and opening, medium access control, data and data buffer storage;
Memory, is suitable for storing the data packet number arrived via second communication interface;
Processor, is connected with described first communication interface, described second communication interface and described memory, by described first communication interface transmission instruction and according to setting rate sending data bag, and by described second communication interface packet; Described processor further comprises, and the quantity according to receiving packet calculates the quantity of packet loss, and according to the quantity of described packet loss and data package transmission velocity, calculates and switches and time of switchback.
11. equipment as claimed in claim 10, it is characterized in that, the instruction that described processor cuts out to the first communication interface transmit port, and notify that described first communication interface stops in the first setting-up time sending packet after receiving port shutdown instruction, and notify that described second communication interface stops in the second setting-up time receiving packet after receiving port shutdown instruction; Or the instruction that described processor is opened to the first communication interface transmit port, and notify that described first communication interface starts to send packet in the first setting-up time after receiving port open instruction, and notify that described second communication interface starts to receive packet in the second setting-up time after receiving port open instruction.
12. equipment as claimed in claim 11, is characterized in that, described processor, according to described data package transmission velocity, the first setting-up time and the data packet number that receives, calculates the quantity of packet loss.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698157A (en) * | 2020-07-23 | 2020-09-22 | 迈普通信技术股份有限公司 | Link management method, board card and switch |
| CN113612703A (en) * | 2021-08-26 | 2021-11-05 | 北京东土科技股份有限公司 | Startup control method, device, equipment and medium of switch |
| CN113612621A (en) * | 2021-06-21 | 2021-11-05 | 天津津航计算技术研究所 | Method for accurately calculating switching time of dual-redundancy network card under VxWorks |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100521629C (en) * | 2007-07-26 | 2009-07-29 | 北京交通大学 | A method and device for measuring switching time |
| CN102185733B (en) * | 2011-04-13 | 2014-04-02 | 宝德科技集团股份有限公司 | Network card testing method and system |
| CN102684946B (en) * | 2012-05-25 | 2014-08-27 | 中国舰船研究设计中心 | Dual-network-interface-card switching performance testing method for information integration system |
| CN104539469A (en) * | 2014-11-27 | 2015-04-22 | 盛科网络（苏州）有限公司 | Method and device of testing master-slave switching time based on test messages |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698157A (en) * | 2020-07-23 | 2020-09-22 | 迈普通信技术股份有限公司 | Link management method, board card and switch |
| CN111698157B (en) * | 2020-07-23 | 2022-05-24 | 迈普通信技术股份有限公司 | Link management method, board card and switch |
| CN113612621A (en) * | 2021-06-21 | 2021-11-05 | 天津津航计算技术研究所 | Method for accurately calculating switching time of dual-redundancy network card under VxWorks |
| CN113612703A (en) * | 2021-08-26 | 2021-11-05 | 北京东土科技股份有限公司 | Startup control method, device, equipment and medium of switch |
| CN113612703B (en) * | 2021-08-26 | 2024-02-20 | 北京东土科技股份有限公司 | Switch starting control method, device, equipment and medium |
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Denomination of invention: Method, equipment and system for automatic test of switching time of ring network protection protocol Effective date of registration: 20230111 Granted publication date: 20180619 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou YingLie Intellectual Property Operation Co.,Ltd. Registration number: Y2023330000072 |
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Date of cancellation: 20231205 Granted publication date: 20180619 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou YingLie Intellectual Property Operation Co.,Ltd. Registration number: Y2023330000072 |