CN101056225A - A router test method and its onsite simulation test device - Google Patents
A router test method and its onsite simulation test device Download PDFInfo
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Abstract
The invention relates to a router test method and its site simulation test device, in which, the method includes: acquire the route entries and router configuration information from the operating network; according to the configuration information, automatically configure the router (202) to be tested; according to the route entries, generate the route data and submit to the router (202) to be tested for reducing into the detailed route; according to the route data, send the route test messages one by one to the router (202) and receive the forward message for testing; this device includes the route information automatic acquirement and processing module (102), configuration information automatic acquirement and recovery module (103), route protocol simulation module (104), individual route flow generation and sending module (106), individual route flow receiving and analysis module (107) and central control module (108). The method and its device may test the available network route, notify the mass and irregular route entries, meanwhile, high efficiency and low cost.
Description
Technical field
The present invention relates to test and network communication, be specifically related to a kind of router test method and site simulation test device thereof.
Background technology
In data communication field, data communication nucleus equipment high-end router is mainly used in the core layer of telecom operators' server layer, large-enterprise network and the Egress node of large-scale data center, and it mainly bears tasks such as transfer of data and routing iinformation announcement.Along with the fast development of route switching technology, high-end router forwarding performance and routing capacity also are greatly improved, to satisfy the demand that network traffics are growing and network size constantly enlarges.Because the special status of high-end router in network, make up stable, a reliable and safe IP network, must test and verify every function of high-end router and index.
In the research and development and production process of high-end router, communication equipment manufacturer generally all is provided with special test organization and quality control division, each function of high-end router and index are tested under lab or on the production line and check, guarantee that the product of producing does not have defective.But because high-end router is a more complicated and huge system, on theoretical and real data, all show, even the 1. strictness of chamber test by experiment, still can't guarantee that significant trouble does not appear in data communications equipment in the Operation Network of reality, the main cause here is that there is bigger difference in test environment and the running environment in telecom operators' network or the enterprise network in the communication equipment producer laboratory, the difference of test environment causes the difference of test condition, so the conclusion that draws is also different.
When the extensive route entry that communication equipment production firm under lab tests high-end router (we also are referred to as Devices to test to the data communications equipment that needs in the laboratory to test) is here disposed and routing traffic is transmitted one by one, the general protocol emulation instrument and the flow generator that all will use commercialization, in order that guarantee the reliability and the high efficiency of test, but 2. the flexibility deficiency of commercial test instrumentation has often restricted further going deep into of test, thereby can't find the problem of some deep levels.We find in some Operation Network, route entry in the network is come this different zone, and quantity is huge, can say without any rule, test instrumentation generally all also provides according to increasing progressively or successively decreasing and construct the method for route entry and flow with certain rule, but the changing pattern of route entry and flow limited (restriction of main tested person instrument hardware designs), if use the conventionally test means in the laboratory this moment, these route entrys of configuration also send corresponding flow one by one on test instrumentation, will find that this is the thing of a unusual difficulty.3. when the data communications equipment in the actual Operation Network breaks down, if we want this fault of reproduction in laboratory environment, obtaining data communications equipment entire arrangement information by the mode of craft is a relatively thing of difficulty equally in addition.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of router test method and simulation testing device thereof, can guarantee the performance of router to be measured in concrete actual environment by test, also can restore physical fault, also avoid the problem of commercial test instrumentation flexibility deficiency simultaneously in the laboratory.
Above-mentioned first technical problem of the present invention solves like this, and a kind of router test method is provided, and utilizes site simulation test device, may further comprise the steps:
1.1) connect and obtain wherein route entry information and route configuration information with actual Operation Network;
1.2) connect with router to be measured (this is connected the configuration connection and step 1.3 that comprises this step) and 1.4) and network be connected) and according to the automatic configuration router to be measured of described configuration information;
1.3) send to router to be measured and be reduced to concrete route entry thereon by the message form again according to described route entry information generation route data;
1.4) according to described route data one by one route ground structure test packet mail to router to be measured and receive the test packet of transmitting and test.
According to method of testing provided by the invention, described step 1.1) comprises that described site simulation test device connects with actual Operation Network and utilizes connecting interface and the corresponding communications protocol one or more data communications equipment from actual Operation Network, be router, on obtain.
According to method of testing provided by the invention, described communications protocol includes, but are not limited to operate/manage/maintenance agreement Oam, Simple Network Management Protocol Snmp or proprietary protocol.
According to method of testing provided by the invention, described route entry information and route configuration information can the off-line files form be kept in the described site simulation test device, are used for the situation that Experimental Network can not be connected with actual Operation Network.
According to method of testing provided by the invention, described step 1.2) comprises that described site simulation test device and router to be measured set up that telnet telnet is connected and the telnet configuration file that utilizes described configuration information to generate disposes automatically.
According to method of testing provided by the invention, described step 1.3) comprises that described site simulation test device and router to be measured set up Border Gateway Protocol (BGP) announcement route and send the renewal Update message that contains described route data to router to be measured by this BGP announcement route on network is connected.
According to method of testing provided by the invention, described step 1.3) and 1.4) between also comprise described site simulation test device inspection and enter next step according to the information correctness of router to be measured, otherwise return step 1.1), guarantee that actual Operation Network information correctly is copied to Experimental Network and carries out actual test again.
According to method of testing provided by the invention, described step 1.4) the concrete method of testing in is by the method for constructing various objectives address date bag one by one the validity of route information on the equipment under test to be tested
Above-mentioned another technical problem of the present invention solves like this, and a kind of router site simulation test device is provided, and comprising:
Routing iinformation obtains and processing module automatically: input is connected actual Operation Network, is used for obtaining route entry and relevant information automatically on the data communications equipment in the actual Operation Network, and further generates route data;
Configuration information obtains and restoration module automatically: be connected in actual Operation Network and the router to be measured one or more, the configuration information that is used for the equipment that obtains automatically on the data communications equipment in the actual Operation Network, and restore this configuration on the equivalent locations router to be measured in the laboratory tests environment automatically;
The Routing Protocol emulation module: output connects router to be measured, input connects described routing iinformation and obtains automatically and processing module, and according to the routing iinformation that restores actual Operation Network scene on the equivalent locations of route data in the laboratory tests environment router to be measured of input;
Routing traffic generates and sending module one by one: output is connected router to be measured, and input connects described routing iinformation and obtains automatically and processing module, and sends to router to be measured according to the route data structure test packet of input;
Routing traffic receives and analysis module one by one: input is connected router to be measured, is used to receive the test packet that router to be measured transmits and analyzes, relatively and add up;
Control module: be connected with each module of testing apparatus, be used for each module design task scheduling and each intermodule message communicating.
According to testing apparatus provided by the invention, this testing apparatus also comprises router multidate information detection module to be measured: can connect router to be measured, be used to detect router dynamic operation information to be measured.
According to testing apparatus provided by the invention, this testing apparatus also comprises supplementary module: be used for some miscellaneous functions, mainly comprise system parameters configuration wizard and log information processing two large divisions.
Router test method provided by the invention and site simulation test device thereof, test router to be measured according to actual operating environment routing iinformation, this method and apparatus data communications equipment from actual Operation Network automatically obtains existing network route entry information and configuration information, and is more efficient, convenient than general traditional method; The operation information that can higher degree restores actual Operation Network in the laboratory tests environment guarantees the test condition unanimity; Can solve the insurmountable existing network route test problem of conventional test methodologies, the route entry that does not have the regularity of distribution on a large scale can be announced to the router to be measured in the laboratory, and route is constructed the forwarding performance that corresponding test packet is tested router to be measured one by one; This method and apparatus can automatically perform testing procedure and adjudicate automatically according to tester's preset information simultaneously, realizes the unattended duty of whole test process, and general relatively method of testing and system also have efficient and low-cost advantage.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a site simulation test device structural representation of the present invention;
Fig. 2 is the Test Networking schematic diagram in the laboratory environment of the present invention;
Fig. 3 is of the present invention method of testing schematic flow sheet corresponding with Fig. 2.
Embodiment
At first, site simulation test device 201 of the present invention is described, as shown in Figure 1, comprises:
Automatically obtain interface 101: provide multiple modes such as Oam, Snmp, proprietary protocol, it is the passage that site simulation test device 201 is collected actual Operation Network 204 operation informations, by connecting many data communications equipment in the Operation Network 204, can collect the route entry deployment information in the zones of different simultaneously.
Routing iinformation obtains and processing module 102 automatically: obtain actual Operation Network route entry information by obtaining interface 101 automatically, consider that laboratory tests environment and actual Operation Network environment may not direct communications, so the route entry information of collecting is saved in the test macro with the form of data file, and provide a kind of off-line operation pattern.After getting access to route entry information, routing iinformation obtains automatically with 102 pairs of these information of processing module and does further processing, as rejecting and information that test is irrelevant etc., and converts the route data that other modules can be discerned to.
Configuration information obtains and restoration module 103 automatically: realized the telnet client functionality therein, automatically obtain at configuration information and to set up telnet with restoration module 103 with the router to be measured in the laboratory tests environment and be connected, and will from obtain the actual Operation Network that interface 101 obtains automatically, be configured to automatically on the router to be measured by the configuration information of data communications equipment.
Routing Protocol emulation module 104: and router to be measured is at first set up the bgp neighbor relation, here selecting to use BGP announcement route is because BGP is large-scale Routing Protocol, can announce and receive up to ten thousand routing iinformation, then routing iinformation being obtained automatically the route data of handling with processing module 102 is packaged into the Update message and announces to router to be measured, router to be measured can generate IP route table and create FIB after receiving the Update message that Routing Protocol emulation module 104 sends over, thus in laboratory environment route deployment scenario in the actual Operation Network of reduction.
Data communications equipment multidate information detection module 105: belong to test module, whether correct by the IP route table item that this module check generates on router to be measured, whether whether normal the CPU of router to be measured take other information of situation and Devices to test correct etc., and this module provides the mode of script to detect and handle router dynamic operation information to be measured flexibly for the tester.
Routing traffic generates and sending module 106 one by one: comprise making up test packet and sending two parts of test packet, the route data that provides with processing module 102 is provided automatically according to routing iinformation, route construction test packet one by one, message content comprises destination device hardware address, source device hardware address, purpose IP address, source IP address, IP message payload PayLoad etc.The purpose IP address of message is to select from route data, and at PayLoad mark signature territory is set partly, analyzes when being convenient to receive and statistics.
Routing traffic receives and analysis module 107 one by one: comprised that flow receives and two parts of message analysis, when the flow that sends has been got back to emulation test system again through after the forwarding of router to be measured, this moment, I will check whether the message that receives is the message that we expect, and the flow that receives added up, judge whether to exist situations such as message dropping, out of order, wrong frame.
Supplementary module 109: the input and output interface that emulation test system is provided, comprise two parts of system parameters configuration wizard and log information processing, the system parameters configuration wizard makes things convenient for the tester to import necessary information, other parameters that need in management mouth IP address information, test judgement preset parameter and the test process such as data communications equipment etc.Can produce a large amount of information in test process, analyze for the ease of the tester, supplementary module 109 shows these information and notes with the form of daily record.
Central control module 108: in whole test process, central control module 108 is arranged the sequencing that each module design task are carried out, and is responsible for transmitting data message that each module needs etc.
Secondly, illustrate and utilize site simulation test device 201 of the present invention in laboratory environment, to carry out Test Networking, as shown in Figure 2, form by site simulation test device 201, router two to be measured 02 and test accessory 203, site simulation test device 201 is by after obtaining the information of emulation necessity from actual Operation Network 204, in the test environment of forming by site simulation test device 201, data communication Devices to test 202 and test accessory 203, restore this information then, thereby guarantee the unanimity of test condition.Wherein, test accessory 203 can be other data communications equipment or test instrumentation, and its major function is the auxiliary partial test function of finishing, such as checking that Devices to test gives the situation of other bgp neighbors announcement routes etc.
At last, further specify the present invention, specifically comprise in conjunction with the concrete steps of utilizing above-mentioned test environment to test:
Step 1: site simulation test device 201 initialization, by the essential parameter of system parameters configuration wizard configuration testing in the supplementary module 109;
Step 2: obtain the on-the-spot operation information of operation network, site simulation test device 201 and actual Operation Network 204 establish a communications link, obtain on-the-spot configuration information and routing iinformation, if can't direct communication between laboratory environment and actual operating environment, then the information that gets access to be preserved for using under the site simulation test device off-line operation pattern;
Step 3: field data is handled, removed garbage wherein, convert routing iinformation to route data that other modules can be discerned, generate the manipulable configuration file of telnet interface by configuration information;
Step 4: on the router two 02 to be measured of laboratory, restore field data, automatically obtain with restoration module 103 and router two 02 to be measured by configuration information earlier and set up the telnet configuration file that telnet is connected and read step 3 was handled, restore the configuration information of data communications equipment in the actual Operation Network 204, setting up BGP by Routing Protocol emulation module 104 with router two 02 to be measured then is connected, and the route data that step 3 generates announced to router two 02 to be measured, restore the route deployment information in the actual Operation Network 204;
Step 5: check whether the information on the router two 02 to be measured is correct, if information that is checked through and test expected information do not meet, then turn back to the different step in front according to specifying information, IP mail returned on ground of incorrect address fashionable then showing of neighbours IP address that connects such as BGP and device port configuration may be that mistake appears in step 2, and should turn back to step 2 this moment;
Step 6: the routing iinformation that begins the following flow rate test stage if above-mentioned inspection has all been passed through, obtains according to step 3, by route entry structure test packet, and mail to router two 02 corresponding ports to be measured;
Step 7: site simulation test device 201 receives the flow that forwards from router two 02 to be measured from the opposite side port, and each index of statistic flow, analyzes the purpose IP address and the signature territory of message;
Step 8: according to the information that step 7 is obtained, central control module 108 judges whether test result meets the requirements, if undesirable then turn back to the stage of restarting;
Step 9:, then finish whole testing process if test result meets the requirements.
In sum, use this method to monitor system's important indicator rapidly and accurately, in time pinpoint the problems, fix a breakdown, and then systematic function is effectively monitored, reach the purpose of communication equipment being carried out maintenance and management.
Claims (10)
1, a kind of router test method is characterized in that, utilizes site simulation test device (201), may further comprise the steps:
1.1) connect and obtain wherein route entry information and route configuration information with actual Operation Network (204);
1.2) and router to be measured (202) connects and dispose router to be measured (202) automatically according to described configuration information;
1.3) send to router to be measured (202) and be reduced to concrete route entry thereon by the message form again according to described route entry information generation route data;
1.4) according to described route data one by one route ground structure test packet mail to router to be measured (202) and receive the test packet of transmitting and test.
2, according to the described method of testing of claim 1, it is characterized in that described step 1.1) comprise that described site simulation test device (201) connects with actual Operation Network (204) and utilizes connecting interface and the one or more data communications equipment of corresponding communications protocol from actual Operation Network (204) to obtain.
According to the described method of testing of claim 2, it is characterized in that 3, described communications protocol comprises Oam, Snmp or proprietary protocol.
According to the described method of testing of claim 1, it is characterized in that 4, described route entry information and route configuration information can the off-line files form be kept in the described site simulation test device (201).
5, according to the described method of testing of claim 1, it is characterized in that described step 1.2) comprise that described site simulation test device (201) and router to be measured (202) set up that telnet is connected and the telnet configuration file that utilizes described configuration information to generate disposes automatically.
6, according to the described method of testing of claim 1, it is characterized in that described step 1.3) comprise that described site simulation test device (201) and router to be measured (202) set up BGP announcement route and send the Update message that contains described route data to router to be measured by this BGP announcement route.
7, according to the described method of testing of claim 1, it is characterized in that, described step 1.3) and 1.4) between comprise also that described site simulation test device (201) is checked and enter next step according to the information correctness of router to be measured (202), otherwise return step 1.1).
8, according to the described method of testing of claim 1, it is characterized in that described step 1.4) in test specifically be the validity of route information on the equipment under test to be tested by the method for constructing various objectives address date bag one by one.
9, a kind of router site simulation test device is characterized in that, comprising:
Routing iinformation obtains and processing module (102) automatically: can import and be connected actual Operation Network (204), be used for obtaining route entry and relevant information automatically on the data communications equipment in the actual Operation Network, and further generate route data;
Configuration information obtains and restoration module (103) automatically: can be connected in actual Operation Network (204) and the router to be measured (202) one or more, the configuration information that is used for the equipment that obtains automatically on the data communications equipment in the actual Operation Network, and restore this configuration on the equivalent locations router to be measured in the laboratory tests environment automatically;
Routing Protocol emulation module (104): exportable connection router to be measured (202), input connects that described routing iinformation obtains automatically and processing module (102), and according to the routing iinformation that restores actual Operation Network scene on the equivalent locations of route data in the laboratory tests environment router to be measured of input;
Routing traffic generates and sending module (106) one by one: the exportable router to be measured (202) that is connected, input connect that described routing iinformation obtains automatically and processing module (102), and construct test packet according to the route data of input and send to router to be measured;
Routing traffic receives and analysis module (107) one by one: can import and is connected router to be measured (202), be used to receive that the test packet that router to be measured transmits is analyzed, comparison and adding up;
Control module (108): be connected with each module of testing apparatus, be used for each module design task scheduling and each intermodule message communicating.
According to the described testing apparatus of claim 9 (201), it is characterized in that 10, this testing apparatus also comprises router multidate information detection module to be measured (105): can connect router to be measured (202), be used to detect router dynamic operation information to be measured.
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| CN101958816A (en) * | 2010-10-28 | 2011-01-26 | 中国航空无线电电子研究所 | High speed core switching equipment testing system and testing method thereof |
| CN102394770A (en) * | 2011-10-26 | 2012-03-28 | 迈普通信技术股份有限公司 | Off-line configuration method for network equipment based on simple network management protocol (SNMP) |
| CN102510346A (en) * | 2011-11-18 | 2012-06-20 | 百度在线网络技术（北京）有限公司 | Method, system and device for testing network equipment |
| CN103546344A (en) * | 2013-10-22 | 2014-01-29 | 上海斐讯数据通信技术有限公司 | Wireless router performance testing system and method |
| CN103795587A (en) * | 2012-11-02 | 2014-05-14 | 北汽福田汽车股份有限公司 | Gateway routing test method and device |
| CN103873311A (en) * | 2012-12-11 | 2014-06-18 | 中国移动通信集团公司 | Method for testing router forwarding information base capacity and system thereof |
| CN103873312A (en) * | 2012-12-12 | 2014-06-18 | 中国移动通信集团公司 | Method and system for testing FIB (Forwarding Information base) capacity of IP equipment |
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| CN102394770A (en) * | 2011-10-26 | 2012-03-28 | 迈普通信技术股份有限公司 | Off-line configuration method for network equipment based on simple network management protocol (SNMP) |
| CN102510346A (en) * | 2011-11-18 | 2012-06-20 | 百度在线网络技术（北京）有限公司 | Method, system and device for testing network equipment |
| CN102510346B (en) * | 2011-11-18 | 2014-12-24 | 百度在线网络技术（北京）有限公司 | Method, system and device for testing network equipment |
| CN103795587A (en) * | 2012-11-02 | 2014-05-14 | 北汽福田汽车股份有限公司 | Gateway routing test method and device |
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| CN103873312B (en) * | 2012-12-12 | 2017-05-31 | 中国移动通信集团公司 | A kind of method of testing and system of IP device forward table capacity |
| CN103546344B (en) * | 2013-10-22 | 2017-03-01 | 上海斐讯数据通信技术有限公司 | A kind of wireless routing Performance Test System and method |
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| WO2015196761A1 (en) * | 2014-06-27 | 2015-12-30 | 中兴通讯股份有限公司 | Method and device for testing forwarding performance of cpu |
| CN104378788A (en) * | 2014-12-11 | 2015-02-25 | 上海斐讯数据通信技术有限公司 | Method and system for testing wireless network access facility |
| CN104378788B (en) * | 2014-12-11 | 2019-05-31 | 上海斐讯数据通信技术有限公司 | Test method and system for wireless network access device |
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| CN106549825A (en) * | 2016-10-13 | 2017-03-29 | 重庆金美通信有限责任公司 | A kind of method of communication network route forward table correctness test, system and equipment |
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| CN108683543A (en) * | 2018-05-22 | 2018-10-19 | 国家电网公司 | Replacing options and device, storage medium, the electronic device of routing device |
| CN109639535A (en) * | 2019-01-18 | 2019-04-16 | 广州小鹏汽车科技有限公司 | A kind of routing relation detection method and device |
| CN109639535B (en) * | 2019-01-18 | 2020-09-11 | 广州小鹏汽车科技有限公司 | Routing relation detection method and device |
| CN115297012A (en) * | 2022-08-03 | 2022-11-04 | 重庆奥普泰通信技术有限公司 | Off-line testing method and device for SDN controller, controller and medium |
| CN115297012B (en) * | 2022-08-03 | 2024-02-06 | 重庆奥普泰通信技术有限公司 | Offline testing method and device of SDN controller, controller and medium |
| CN115529253A (en) * | 2022-08-29 | 2022-12-27 | 阿里巴巴（中国）有限公司 | Data center interconnection equipment testing method and system, electronic equipment and storage medium |
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