CN107453901A - Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation - Google Patents
Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation Download PDFInfo
- Publication number
- CN107453901A CN107453901A CN201710629158.9A CN201710629158A CN107453901A CN 107453901 A CN107453901 A CN 107453901A CN 201710629158 A CN201710629158 A CN 201710629158A CN 107453901 A CN107453901 A CN 107453901A
- Authority
- CN
- China
- Prior art keywords
- routing
- test
- ospf
- route
- convergence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000010355 oscillation Effects 0.000 title abstract description 7
- 238000013515 script Methods 0.000 claims abstract description 59
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 238000012549 training Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000011017 operating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000013142 basic testing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
-
- 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
- H04L43/06—Generation of reports
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a method for graphically simulating an OSPF network and realizing automatic testing of routing capacity, routing convergence and routing oscillation, and relates to the technical field of graphical simulation of OSPF networks and automatic testing of routing capacity, routing convergence and routing oscillation. The invention mainly comprises the following steps: the method can enable users to construct any OSPF routing topology in a graphical mode. And automatically generating a corresponding TCL test script according to the constructed topology parameters and the test configuration parameters. And calling a test script to realize the automatic test of the routing capacity, routing convergence and routing oscillation. The invention has the beneficial effects that: an OSPF simulation network with any topology is constructed in a graphical and mouse dragging mode, a test script of routing capacity, routing convergence and routing oscillation specified by RFC2544 is automatically generated by TCL language, the test script is automatically executed, and a test result is reported. Therefore, a tester unfamiliar with an OSPF protocol LSA generation principle and professional test instrument equipment operation can easily complete the routing capacity, routing convergence and routing oscillation tests under any topology.
Description
Technical field
The present invention relates to network communication technology field, more particularly to graphical simulation ospf network and routing capacity, route
Convergence, the automatization testing technique field of route flapping.
Background technology
Ospf protocol, the most popular Routing Protocol in current Internet or carry all military, civilian routers
The interchanger of L3 Switching function supports the Routing Protocol.Routing capacity, routing convergence, route flapping test are RFC2544
The basic test project of defined network switching equipment three-layer network performance.Some current method of testings are using change mostly
Router source code is to increase statistical function, or the tester using specialty, by very familiar OSPF Routing Protocols and test
The LSA of professional's manual configuration ospf protocol of instrument mode, emulates OSPF route networks, and capacity to router,
Convergence time, route flapping performance are tested.This requires matching somebody with somebody for configuration and tester of the tester to ospf protocol LSA
Putting operation has very high requirement, and the configuration for complex network easily malfunctions, and may even not complete, greatly limit to
The enforceability of test, adds testing cost and risk of error.
The content of the invention
The present invention proposes a kind of graphical simulation ospf network and realizes routing capacity, routing convergence, route flapping
The method of automatic test.This method mainly includes：User can be allowed to build arbitrary route topological.Joined according to the topology of structure
Number, and test configurations parameter, generate corresponding TCL test scripts.Call test script realize routing capacity, routing convergence,
The automatic test of route flapping.
Present invention uses the graphical router original paper composition on painting canvas of mouse drag, and the method for line simulates OSPF
Route topological figure, then include seldom parameters such as IP address, route ID for the input of each original paper, it is possible to realize to OSPF roads
Emulation and automatic test by topology, and test result is reported, the configuration side without grasping cumbersome ospf protocol LSA
Method.
Present invention uses the API that SpirentCommunication is provided, and TCL language is used as script,
User configures a small amount of parameter in software interface towing router emulation OSPF route topologicals, and software automatically generates corresponding survey
Training sheet.By PC, SpirentTestCenter, tested router is connected, annexation（Reference picture 4）.TCL tests pin
This is functionally similar to using SpirentApplication to SpirentTestCenter progress test configurations.Software transfer
Tcl84.exe perform scripts carry out automatic test.
The method have the benefit that：The OSPF for building arbitrary topology using graphical and mouse drag mode is imitated
True network, the test script of routing capacity as defined in RFC2544, routing convergence, route flapping is automatically generated using TCL language,
It is automatic to perform test script and report test result.So that being unfamiliar with, ospf protocol LSA produces principle and professional test instrument is set
The tester of standby operation can be easily accomplished the route flapping test under arbitrary topology and the survey to routing capacity, routing convergence
Examination.
Brief description of the drawings
Fig. 1, route flapping test software configuration diagram；
Fig. 2, routing capacity test software configuration diagram；
Fig. 3, routing convergence test software configuration diagram；
Fig. 4, equipment room interconnecting relation schematic diagram.
Embodiment
The present invention uses SpirentTestCenter as test equipment, by test and management PC,
SpirentTestCenter, tested router are connected, annexation（Reference picture 4）.SpirentCommunication is
Available API is we provided, we use TCL language topological certainly according to the graphical network of user configuration as script
Dynamic generation test script, automatic test is realized on the basis of complicated OSPF Routing Protocols LSA configurations are omitted.
SpirentTestCenter can simulate route topological on software view, so only testing the situation of a route original paper
Under, route flapping of the test router in various routing topologies can also be simulated.It can also be reached using TCL test scripts
To same effect, so the present invention can realize and the routing capacity, routing convergence, route of the ospf network of arbitrary topology are shaken
The automatic test swung.
The software architecture of whole route flapping test（Reference picture 1）.When carrying out route flapping test, mainly include as follows
Operating procedure：
1) topological analog module provides the route-type that user needs to use in the route original paper storage area selection of software.User can
According to the needs of oneself, to drag corresponding route original paper to painting canvas；
2) topological analog module provides line original paper.User can select line button, by related route original paper line, structure
Build the graphical OSPF route topologicals that any user needs；
3) topological analog module provides different parameter configuration interfaces for the route original paper of each type.User selects route former
Part, the parameter such as input router IP address and route ID in the configuration interface of each original paper, now program can be by these parameters
Be saved in internal memory, and the related a part of content of test script of these parameters be saved in internal memory, these be saved in have
The effect of route topological and ospf protocol LSA configurations is simulated in software；
4) parameter configuration module provide inputted in test configurations interface the related test parameter of route flapping and
Underlying parameter related SpirentTestCenter.After the completion of configuration, program can be in a file of the catalogue of program
Generate related TCL test scripts, and by step 3）In be stored in the test script content related to route topological in internal memory
Generate corresponding TCL test scripts；
5) software transfer tclsh84.exe is performed in step 4）The test script of middle generation, is tested, and is closed after the completion of test
Close tclsh84.exe programs；
6) routine call SpirentApplication Spirent Reporter, the generation of opening test script are preserved
The .db files of test result show test result.
Also include in step 1)：Topological analog module provides three kinds of route-types, respectively DUT, SR, R.DUT is
Device under test abbreviation, represent equipment under test.SR is simulated router abbreviation, is represented direct with DUT
It is connected, the router simulated on SpirentTestCenter ports.R be router abbreviation, represent not with DUT
It is joined directly together and connects, the router simulated on SpirentApplication softwares.User is selecting to route according to topological diagram
Its definition is should be noted during type.
Also include in step 3)：Topological analog module is the configuration interface that DUT is provided, and describes two ethernet sides of DUT
The ip addresses of mouth, mask, protocol type, regional number, instruct user configuration equipment under test.Topological analog module is matching somebody with somebody for SR offers
Interface is put, it is necessary to user input router ip addresses, route id, mac addresses, regional number, stub network ip addresses, pre-network
Ip addresses, pre-network route number, be connected the parameters such as router id with SR.Topological analog module is the configuration interface that R is provided,
User is needed to input route id, regional number, stub network ip addresses, the router id parameters being connected with R.
Also include in step 3)：Program can be by the input parameter storage of each route original paper to each original paper.Program needs
The port ip addresses in DUT configuration descriptions are used, mould on SpirentTestCenter ports is represented in a manner of TCL scripts
The router of plan and host gateway.Above-mentioned TCL content for script can be saved in corresponding route original paper by program.
Also include in step 3)：Program can use router ip addresses, route id, mac addresses in SR input parameter,
Ip addresses, id, mac address of router simulated on SpirentTestCenter ports are represented in a manner of TCL scripts.Journey
Sequence uses the regional number in SR input parameters, and the road simulated on SpirentTestCenter ports is represented in a manner of TCL scripts
By device, the region where ospf protocol is used.Program uses route id, regional number, stub networks ip in SR input parameters
Location, be connected router id with SR, and the router for representing to simulate on SpirentTestCenter ports in a manner of TCL scripts exists
Router LSA content in ospf protocol.Program is route using the pre-network ip addresses in SR input parameters, pre-network
Number, the router simulated on SpirentTestCenter ports is represented in a manner of TCL scripts in the ospf protocol
Summary LSA and External LSA content.Above-mentioned TCL content for script can be saved in SR route original papers by program.
Also include in step 3)：Program can use the regional number in R input parameter, be represented in a manner of TCL scripts
The router simulated on SpirentApplication softwares, use the region where ospf protocol.Program can use the defeated of R
Enter route id, stub network ip addresses in parameter, the router id being connected with R, represented in a manner of TCL scripts
The router simulated on SpirentApplication softwares Router LSA in the ospf protocol content.Program can will be upper
The TCL content for script stated is saved in R route original papers.
Also include in step 4)：The configuration interface that parameter configuration module provides is, it is necessary to which user inputs
SpirentTestCenter ip addresses, flow port ip addresses, flow port mac addresses, uninterrupted, unit, vibration time
Number, vibration stand-by period, survey route flapping link number.
Also include in step 4)：Program can use the ip addresses of the SpirentTestCenter in input parameter, with TCL
The mode of script represents to connect SPT, the related content of reserved port.Program is with can using the flow port ip in input parameter
Location, flow port mac addresses, the host's for representing to simulate on SpirentTestCenter flows port in a manner of TCL scripts
Ip addresses, mac addresses.Program can represent that route is shaken using the uninterrupted in input parameter, unit in a manner of TCL scripts
Swing the related content of test data stream.Program can use the number of oscillation in input parameter, vibration stand-by period, survey route and shake
Link number is swung, the test related content of route flapping test is represented in a manner of TCL scripts.For preserving test result and disconnection
The related content being connected with SPT, is fixed code, and program can represent related content in a manner of TCL scripts.Program should will be above-mentioned
TCL content for script generation TCL test scripts, and by step 3）In be stored in it is each route original paper in TCL content for script, entirely
Portion combines, and is added in TCL test scripts.To connect SPT, simulation Spirent instrument port router, configuration port mould
Intend router lsa, configuration SpirentApplication software simulations router lsa, simulation SpirentTestCenter flows
Port host, data flow, route flapping test are established, result, disconnection is preserved and is built with the corresponding user that is sequentially generated of SPT connections
Complete TCL test scripts needed for the route flapping test of OSPF topologys.
The software architecture of whole routing capacity test（Reference picture 2）.When carrying out routing capacity test, mainly include as follows
Operating procedure：
1）Parameter configuration module provides the input test relevant parameter in test configurations interface.Program is held using dichotomy to route
Amount is tested, so needing the routing capacity lower and upper limit in the routing configuration interface input test of program.When configuring
Cheng Hou, program can generate TCL test scripts under program directory；
2）Routine call tclsh84.exe performs step 1）The test script of middle generation, is tested, and is closed after the completion of test
Tclsh84.exe programs；
3）Program opens test script and preserves the .ini files of test result, and shows explicit routing capacity result at result.
Also include in step 1)：The test configurations interface that parameter configuration module provides provides DUT configuration instructions, describes
The contents such as the ip addresses of two ethernet ports of DUT, mask, protocol type, regional number, instruct user configuration equipment under test.Survey
Examination configuration interface needs user to input under SpirentTestCenter ip addresses, flux unit, uninterrupted, route bar number
Limit, route bar number upper limit parameter.
Also include in step 1)：Program can use the port ip addresses in DUT configuration descriptions, the table in a manner of TCL scripts
Show the router simulated on SpirentTestCenter ports and host gateway.Program can be used in input parameter
SpirentTestCenter ip addresses, represent to connect SPT, the related content of reserved port in a manner of TCL scripts.Program
Using the flux unit in input parameter, uninterrupted, the phase of routing capacity test data stream can be represented in a manner of TCL scripts
Hold inside the Pass.Program, which can be used in input parameter, route bar number lower limit, the route bar number upper limit, represents to measure in a manner of TCL scripts
The related content of the dichotomy of routing capacity.Due to the test just for single DUT routing capacitys, it is not related to route and opens up
Flutter, so the router, SpirentTestCenter flow port analogs for SpirentTestCenter port analogs
Host, the data for preserving the contents such as test result, disconnection and SPT connections, the present invention use the fixed test that do not influence to tie
The parameter of fruit, to reduce the parameter input quantity of user, and related content is represented in a manner of TCL scripts.Program should will be above-mentioned
TCL content for script according to connection SPT, simulation Spirent instrument port router, simulation SpirentTestCenter flows end
Mouthful host, establish data flow, routing capacity test, preserve being sequentially generated for testing route appearance of result, disconnection and SPT connections
The TCL test scripts of amount.
The software architecture of whole routing convergence test（Reference picture 3）.When carrying out routing convergence test, mainly include as follows
Operating procedure：
1）Parameter configuration module provides the input test relevant parameter in test configurations interface.After the completion of configuration, program is in journey
TCL test scripts are generated under sequence installation directory；
2）Software transfer tclsh84.exe performs step 1）The test script of middle generation, is tested, and is closed after the completion of test
Tclsh84.exe programs；
3）Routine call SpirentApplication Spirent Reporter, the generation of opening test script are preserved
The .db files of test result show test result.
Also include in step 1)：The test configurations interface that parameter configuration module provides provides DUT configuration instructions, describes
The contents such as the ip addresses of tri- ethernet ports of DUT, mask, protocol type, regional number, instruct user configuration equipment under test.Survey
Examination configuration interface needs user to input SpirentTestCenter ip addresses, flux unit, uninterrupted parameter.
Also include in step 1)：Program can use the port ip addresses in DUT configuration descriptions, the table in a manner of TCL scripts
Show the router simulated on SpirentTestCenter ports and host gateway.Program can be used in input parameter
SpirentTestCenter ip addresses, represent to connect SPT, the related content of reserved port in a manner of TCL scripts.Program
Using the flux unit in input parameter, uninterrupted, the phase of routing capacity test data stream can be represented in a manner of TCL scripts
Hold inside the Pass.Due to the test just for single DUT routing convergences, it is not related to route topological, so for
The router of SpirentTestCenter port analogs, the host of SpirentTestCenter flow port analogs, route are received
Hold back test, preserve the data of the content such as test result, disconnection and SPT connections, of the invention use fixed does not influence to test
As a result parameter, to reduce the parameter input quantity of user, and related content is represented in a manner of TCL scripts.Program should will be upper
The TCL content for script stated is according to connection SPT, simulation Spirent instrument port router, simulation SpirentTestCenter flows
Port host, establish data flow, routing convergence test, preserve result, being sequentially generated for disconnection and SPT connections route for testing
Convergent TCL test scripts.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution, should all be included within the scope of the present invention.
Claims (3)
1. a kind of graphical simulation ospf network and realize routing capacity, routing convergence, route flapping automatic test side
Method, it is characterised in that：User can use the mode of mouse drag to realize that the ospf protocol of graphical structure arbitrary topology emulates net
Network.
2. a kind of graphical simulation ospf network for being told according to claim 1 simultaneously realizes that routing capacity, routing convergence, route are shaken
The method of the automatic test swung, it is characterised in that：Program automatically generates the survey of TCL language according to configuration topological sum configuration parameter
Training sheet.
3. a kind of graphical simulation ospf network for being told according to claim 1 simultaneously realizes that routing capacity, routing convergence, route are shaken
The method of the automatic test swung, it is characterised in that：Routing capacity, routing convergence, route flapping are realized using TCL test scripts
Automatic test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629158.9A CN107453901A (en) | 2017-07-28 | 2017-07-28 | Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629158.9A CN107453901A (en) | 2017-07-28 | 2017-07-28 | Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453901A true CN107453901A (en) | 2017-12-08 |
Family
ID=60489800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710629158.9A Pending CN107453901A (en) | 2017-07-28 | 2017-07-28 | Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453901A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100268834A1 (en) * | 2009-04-17 | 2010-10-21 | Empirix Inc. | Method For Embedding Meta-Commands in Normal Network Packets |
| CN102136946A (en) * | 2011-03-07 | 2011-07-27 | 中国电力科学研究院 | Optical network topology graph drawing method and topological subsystem |
| CN102404168A (en) * | 2011-11-15 | 2012-04-04 | 北京天融信科技有限公司 | Method and device for comprehensively testing NUD |
| CN103984750A (en) * | 2014-05-28 | 2014-08-13 | 中铁十局集团有限公司 | B/S (Browser/Server) framework model based topological graph generation method |
-
2017
- 2017-07-28 CN CN201710629158.9A patent/CN107453901A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100268834A1 (en) * | 2009-04-17 | 2010-10-21 | Empirix Inc. | Method For Embedding Meta-Commands in Normal Network Packets |
| CN102136946A (en) * | 2011-03-07 | 2011-07-27 | 中国电力科学研究院 | Optical network topology graph drawing method and topological subsystem |
| CN102404168A (en) * | 2011-11-15 | 2012-04-04 | 北京天融信科技有限公司 | Method and device for comprehensively testing NUD |
| CN103984750A (en) * | 2014-05-28 | 2014-08-13 | 中铁十局集团有限公司 | B/S (Browser/Server) framework model based topological graph generation method |
Non-Patent Citations (1)
| Title |
|---|
| 尤澜涛等: "基于 OSPF 的网络拓扑快速发现系统的设计", 《计算机工程》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ahrenholz et al. | CORE: A real-time network emulator | |
| CN112311606B (en) | Method for constructing virtual-real decoupling simulation network | |
| US20190036802A1 (en) | System and method for packet tracing within a packet switching asic | |
| US7555421B1 (en) | Device emulation for testing data network configurations | |
| CN103618645A (en) | Complex network environment test system and method with intelligent simulation function | |
| Galán et al. | Use of virtualization tools in computer network laboratories | |
| CN113259164B (en) | Method for realizing virtual-real networking based on virtual routing system construction | |
| CN110838954A (en) | Lightweight large-scale autonomous network protocol function test method | |
| CN106209825A (en) | A kind of customizable Botnet pilot system | |
| CN108833472B (en) | System is established in the connection of cloud host | |
| Pal et al. | Implementation of simplified custom topology framework in Mininet | |
| Tagliacane et al. | Network simulations and future technologies in teaching networking courses: Development of a laboratory model with Cisco Virtual Internet Routing Lab (Virl) | |
| CN109039709A (en) | A kind of mobile wireless network emulation and experiment porch based on virtualization | |
| CN109495293A (en) | A kind of test method, system, equipment and the storage medium in Switch control face | |
| Uddin et al. | Performance analysis of SDN based firewalls: POX vs. ODL | |
| US20110122879A1 (en) | System for seamless connection of real and virtual networks | |
| CN113193998A (en) | Network emulation method, programmable switch, and computer-readable storage medium | |
| Autefage et al. | Network emulator: a network virtualization testbed for overlay experimentations | |
| JP5750175B1 (en) | Network simulator and network simulation method | |
| CN107453901A (en) | Method for graphically simulating OSPF network and realizing automatic test of routing capacity, routing convergence and routing oscillation | |
| Fontes et al. | Improving ns-3 emulation performance for fast prototyping of routing and SDN protocols: Moving data plane operations to outside of ns-3 | |
| Salsano et al. | Mantoo-a set of management tools for controlling SDN experiments | |
| Dayanand et al. | A survey on the use of GNS3 for virtualizing computer networks | |
| Petersen et al. | DockSDN: A hybrid container‐based software‐defined networking emulation tool | |
| Salib et al. | Hands-on labs and tools for teaching software defined network (SDN) to undergraduates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |