CN102546260A - Simulator based on SNMP (Simple Network Management Protocol) network management - Google Patents
Simulator based on SNMP (Simple Network Management Protocol) network management Download PDFInfo
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Abstract
The invention relates to a simulator based on SNMP (Simple Network Management Protocol) network management. A script resolution module resolves MIB (Message Information Base) script files into MIB data and stores the MIB data into an MIB database; an SNMP message processing module queries corresponding response data from the MIB database according to a received SNMP message, then, organizes MIB data into an SNMP response message according to the queried result, and sends the SNMP response message to an SNMP communication module; the SNMP message processing module also resolves SNMP request data needing to be processed, and then, puts the resolved data into a local MIB database; a trap message organization module organizes the MIB data into an SNMP trap message and sends the trap message to the SNMP communication module; and the SNMP communication module is responsible for communication with external objects. According to the simulator provided by the invention, the concurrent simulation of a large number of equipment is supported, the SNMP response packet data can be manually set, and thus, the assistance to the debugging and the high-capacity test of network management software is provided.
Description
Technical field
The present invention relates to emulation tool, is a kind of simulator based on the SNMP network management specifically.Especially refer to Agent (administration agent) simulator based on the SNMP network management.
Background technology
The current network management has become the important application that guarantees the normal operation of network.But in the O&M of network management, test, experiment, generally experimental situation is provided, but not only cost is high but also be difficult to management for such experimental situation through building network.
(Simple Network Management Protocol SNMP) has become actual industrial standard in the field of network management to Simple Network Management Protocol, and is supported extensively and application that most of NMSs and platform all are based on SNMP's.
Simple Network Management Protocol (SNMP) is a kind of NMP based on TCP/IP, and it uses UDP as transport layer protocol, can manage the network equipment of supporting agent process.SNMP mainly comprises SMI (structure of management information), MIB (management information bank) and several parts of snmp protocol.Fig. 1 explains the SNMP architectural model.
SMI has provided the general framework of management object definition.MIB is the structure set of whole managed objects of safeguarding of equipment.Snmp protocol comprises form, the SNMP object identifier (OID) of SNMP operation, SNMP information and how to exchange messages in application program and equipment room.SNMP object identifier (OID) is the value that is defined in the specific MIB pattern, defines a specific SNMP target in the MIB database.
SNMP adopts agency/management station's model to carry out network management, and Fig. 1 shows four key elements of SNMP: management work station (NMS is called for short management station in the back), administration agent (Agent), management information bank (MIB) and snmp protocol.Administration agent (Agent) is made response to carrying out request from the information inquiry of management station (NMS) with action, can also send important accident to management station (NMS) asynchronously simultaneously.Be connected through the SNMP NMP between NMS (NMS) and the network management proxy (Agent) and realize communication, it comprises following main operation (message packet): be respectively Get-Request, Get-Response, Get-Next-Request, Set-Request and Trap.Intercom mutually through these several kinds of message packets between administration agent and the management station, obtaining the various information of the network equipment, thus the normal operation of control network devices.
Summary of the invention
To the defective that exists in the prior art, the object of the present invention is to provide a kind of simulator, so that webmastering software can carry out the uniting and adjustment and the test of NMS better based on the SNMP network management.
For reaching above purpose, the technical scheme that the present invention takes is:
A kind of simulator based on the SNMP network management is characterized in that, said simulator is the Agent simulator, comprising:
The MIB script: an XML file, be used to deposit the MIB data, generate by User Defined;
The script parsing module: the XML document analysis corresponding the MIB script is the MIB data;
MIB database: deposit the MIB data after the script parsing module is resolved;
The SNMP message processing module (MPM): according to the SNMP message of receiving, inquiry corresponding response data are made into corresponding SNMP response message according to Query Result with the MIB data set then, and the SNMP response message are sent to the snmp protocol communication module in the MIB database;
The SNMP request msg that the SNMP message processing module (MPM) also will be handled is put into local MIB database after resolving;
TRAP message molded tissue block: according to certain format the MIB data set is made into the TRAP message of SNMP, and the TRAP message is sent to the snmp protocol communication module;
Snmp protocol communication module:, be responsible for communicating with external object based on snmp protocol; Said external object is the NMS of management station, communicates through Get-Request, Get-Response, Get-Next-Request, Get-Next-Response, Set-Request, Set-Response and Trap message packet between snmp protocol communication module and the NMS of management station.
On the basis of technique scheme, Agent simulator treatment S NMP operation requests may further comprise the steps:
A1. receive the SNMP request: receive the SNMP request data package in certain port snmp protocol communication module;
B1. resolve the SNMP request msg: the SNMP message processing module (MPM) is resolved the SNMP request data package, obtains corresponding M IB request msg;
C1. the script parsing module reads in the MIB script file, from this document, parses MIB data one by one, and a MIB deposit data that parses is in the MIB database;
D1. the SNMP message processing module (MPM) is shone upon MIB request msg that parses and the MIB data in the local MIB database, and reads corresponding data according to mapping result from local MIB database, perhaps arrives local MIB database to the data assignment;
The process that reads corresponding data from local MIB database is following:
When A [I]=j, wherein j is the configuration data in certain SNMP request, and A is the MIB database result collection that is provided with, and I is the subscript of result set, then is called in the A result set, and the SNMP request results that I OID is corresponding is j;
When the Agent simulator is received the SNMP request in the MIB database, at first resolve the OID of this SNMP request like this, find those clauses and subclauses in the corresponding MIB database according to OID then, obtain the corresponding data value of these clauses and subclauses at last;
E1. the SNMP message processing module (MPM) is organized as the execution result of steps d 1 the SNMP packet and forms the SNMP response message;
F1. the snmp protocol communication module is sent the SNMP response message and is given the NMS of management station.
On the basis of technique scheme, the Agent simulator is handled the TRAP transmission and may further comprise the steps:
A2. TRAP message molded tissue block is provided with the receiver address of TRAP;
B2. the TRAP data that will send of TRAP message molded tissue block setting;
C2. TRAP message molded tissue block is provided with the transmission frequency;
D2. TRAP message molded tissue block reads corresponding data from local MIB database, and forms the TRAP message;
E2. TRAP message molded tissue block is that destination address sends the TRAP message through the snmp protocol communication module to the receiver address of TRAP.
Simulator based on the SNMP network management of the present invention is supported the concurrent simulation large number quipments, can the manual respond packet data that SNMP is set, be the debugging of webmastering software, and detecting large volume is offered help.
Simulator based on the SNMP network management of the present invention uses a simulated program to simulate one or more support snmp management equipment, supports snmp protocol, realization be the function of Agent in the network equipment.Requests such as Get-Request that can the response management station, Get-Next-Request, Set-Request, the administration behaviour that can generate, send self-trapping (Trap) message and analog network equipment.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 is the SNMP architectural model;
Fig. 2 is the system configuration of Agent simulator;
Fig. 3 is the flow chart of Agent simulator treatment S NMP operation requests;
Fig. 4 is that the Agent simulator is handled the flow chart that TRAP sends.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
The present invention through this simulator is set the various network state, can simulate the various network incident, so that carry out the research of NMS through the network equipment (simulator) of constructing a simulation and research and the test of using it for network management.Furtherly, the objective of the invention is to: in the analog network management system based on the network service between the network equipment of Simple Network Management Protocol SNMP agency and NMS.
As shown in Figure 2, the simulator based on the SNMP network management of the present invention, said simulator is the Agent simulator, comprising:
The MIB script: an XML file, be used to deposit the MIB data, generate by User Defined;
The script parsing module: the XML document analysis corresponding the MIB script is the MIB data;
MIB database: deposit the MIB data after the script parsing module is resolved;
The SNMP message processing module (MPM): according to the SNMP message of receiving, inquiry corresponding response data are made into corresponding SNMP response message according to Query Result with the MIB data set then, and the SNMP response message are sent to the snmp protocol communication module in the MIB database;
The SNMP request msg that the SNMP message processing module (MPM) also will be handled is put into local MIB database after resolving;
TRAP message molded tissue block: according to certain format the MIB data set is made into the TRAP message of SNMP, and the TRAP message is sent to the snmp protocol communication module;
Snmp protocol communication module:, be responsible for communicating with external object based on snmp protocol; Said external object is the NMS of management station, communicates through Get-Request, Get-Response, Get-Next-Request, Get-Next-Response, Set-Request, Set-Response and Trap message packet between snmp protocol communication module and the NMS of management station.
On the basis of technique scheme, Fig. 3 shows the flow chart of Agent simulator treatment S NMP operation requests, may further comprise the steps:
A1. receive the SNMP request: receive the SNMP request data package in certain port snmp protocol communication module;
B1. resolve the SNMP request msg: the SNMP message processing module (MPM) is resolved the SNMP request data package, obtains corresponding M IB request msg;
C1. the script parsing module reads in the MIB script file, from this document, parses MIB data one by one, and a MIB deposit data that parses is in the MIB database;
D1. the SNMP message processing module (MPM) is shone upon MIB request msg that parses and the MIB data in the local MIB database, and reads corresponding data according to mapping result from local MIB database, perhaps arrives local MIB database to the data assignment;
The process that reads corresponding data from local MIB database is following:
When A [I]=j, wherein j is the configuration data in certain SNMP request, and A is the MIB database result collection that is provided with, and I is the subscript of result set, then is called in the A result set, and the SNMP request results that I OID is corresponding is j;
When the Agent simulator is received the SNMP request in the MIB database, at first resolve the OID of this SNMP request like this, find those clauses and subclauses in the corresponding MIB database according to OID then, obtain the corresponding data value of these clauses and subclauses at last;
E1. the SNMP message processing module (MPM) is organized as the execution result of steps d 1 the SNMP database and forms the SNMP response message;
F1. the snmp protocol communication module is sent the SNMP response message and is given the NMS of management station.
On the basis of technique scheme, Fig. 4 shows the Agent simulator and handles the flow chart that TRAP sends, and may further comprise the steps:
A2. TRAP message molded tissue block is provided with the receiver address of TRAP;
B2. the TRAP data that will send of TRAP message molded tissue block setting;
C2. TRAP message molded tissue block is provided with the transmission frequency;
D2. TRAP message molded tissue block reads corresponding data from local MIB database, and forms the TRAP message;
E2. TRAP message molded tissue block sends the TRAP message through the snmp protocol communication module to the receiver address (destination address) of TRAP.
The above is merely preferred embodiment of the present invention, is not limited to the present invention, all any modifications of within the present invention spirit and principle, being made, is equal to and replaces and improvement etc., all is contained within protection scope of the present invention.
The content of not doing in this specification to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (3)
1. the simulator based on the SNMP network management is characterized in that, said simulator is the Agent simulator, comprising:
The MIB script: an XML file, be used to deposit the MIB data, generate by User Defined;
The script parsing module: the XML document analysis corresponding the MIB script is the MIB data;
MIB database: deposit the MIB data after the script parsing module is resolved;
The SNMP message processing module (MPM): according to the SNMP message of receiving, inquiry corresponding response data are made into corresponding SNMP response message according to Query Result with the MIB data set then, and the SNMP response message are sent to the snmp protocol communication module in the MIB database;
The SNMP request msg that the SNMP message processing module (MPM) also will be handled is put into local MIB database after resolving;
TRAP message molded tissue block: according to certain format the MIB data set is made into the TRAP message of SNMP, and the TRAP message is sent to the snmp protocol communication module;
Snmp protocol communication module:, be responsible for communicating with external object based on snmp protocol; Said external object is the NMS of management station, communicates through Get-Request, Get-Response, Get-Next-Request, Get-Next-Response, Set-Request, Set-Response and Trap message packet between snmp protocol communication module and the NMS of management station.
2. the simulator based on the SNMP network management as claimed in claim 1 is characterized in that: Agent simulator treatment S NMP operation requests may further comprise the steps:
A1. receive the SNMP request: receive the SNMP request data package in certain port snmp protocol communication module;
B1. resolve the SNMP request msg: the SNMP message processing module (MPM) is resolved the SNMP request data package, obtains corresponding M IB request msg;
C1. the script parsing module reads in the MIB script file, from this document, parses MIB data one by one, and a MIB deposit data that parses is in the MIB database;
D1. the SNMP message processing module (MPM) is shone upon MIB request msg that parses and the MIB data in the local MIB database, and reads corresponding data according to mapping result from local MIB database, perhaps arrives local MIB database to the data assignment;
The process that reads corresponding data from local MIB database is following:
When A [I]=j, wherein j is the configuration data in certain SNMP request, and A is the MIB database result collection that is provided with, and I is the subscript of result set, then is called in the A result set, and the SNMP request results that I OID is corresponding is j;
When the Agent simulator is received the SNMP request in the MIB database, at first resolve the OID of this SNMP request like this, find those clauses and subclauses in the corresponding MIB database according to OID then, obtain the corresponding data value of these clauses and subclauses at last;
E1. the SNMP message processing module (MPM) is organized as the execution result of steps d 1 the SNMP packet and forms the SNMP response message;
F1. the snmp protocol communication module is sent the SNMP response message and is given the NMS of management station.
3. the simulator based on the SNMP network management as claimed in claim 1 is characterized in that: the Agent simulator is handled the TRAP transmission and may further comprise the steps:
A2. TRAP message molded tissue block is provided with the receiver address of TRAP;
B2. the TRAP data that will send of TRAP message molded tissue block setting;
C2. TRAP message molded tissue block is provided with the transmission frequency;
D2. TRAP message molded tissue block reads corresponding data from local MIB database, and forms the TRAP message;
E2. TRAP message molded tissue block is that destination address sends the TRAP message through the snmp protocol communication module to the receiver address of TRAP.
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| CN104391782A (en) * | 2014-03-28 | 2015-03-04 | 烽火通信科技股份有限公司 | Network-equipment managing-software client-end simulating method on basis of XML (X Extensive Markup Language) script |
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| CN106407061A (en) * | 2015-07-27 | 2017-02-15 | 中兴通讯股份有限公司 | Northbound interface testing device and northbound interface testing method |
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| CN107360588A (en) * | 2017-09-15 | 2017-11-17 | 武汉虹信通信技术有限责任公司 | A kind of small base station OAM message treatment method |
| CN109086072A (en) * | 2018-08-01 | 2018-12-25 | 郑州云海信息技术有限公司 | A kind of scenario generation method and device |
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| CN104391782B (en) * | 2014-03-28 | 2018-02-16 | 烽火通信科技股份有限公司 | Network device management software client simulation method based on XML scripts |
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| CN104660447A (en) * | 2015-01-29 | 2015-05-27 | 杭州初灵信息技术股份有限公司 | SNMP node information management method and management system |
| CN104660447B (en) * | 2015-01-29 | 2018-10-26 | 杭州初灵信息技术股份有限公司 | A kind of management method of SNMP nodal informations and management system |
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| CN106959903A (en) * | 2016-01-08 | 2017-07-18 | 中兴通讯股份有限公司 | Trap instruction Trap processing method and processing device |
| CN105656701A (en) * | 2016-04-01 | 2016-06-08 | 浪潮电子信息产业股份有限公司 | Testing method based on Windows system SNMP |
| CN106533765A (en) * | 2016-11-16 | 2017-03-22 | 成都广达新网科技股份有限公司 | SNMP simulator design method and device based on XML |
| CN106533765B (en) * | 2016-11-16 | 2019-10-29 | 成都广达新网科技股份有限公司 | A kind of SNMP Simulator design method and device based on XML |
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| CN107360588A (en) * | 2017-09-15 | 2017-11-17 | 武汉虹信通信技术有限责任公司 | A kind of small base station OAM message treatment method |
| CN107360588B (en) * | 2017-09-15 | 2020-10-13 | 武汉虹信通信技术有限责任公司 | Message processing method of small base station OAM |
| CN109086072A (en) * | 2018-08-01 | 2018-12-25 | 郑州云海信息技术有限公司 | A kind of scenario generation method and device |
| CN114244677A (en) * | 2021-11-29 | 2022-03-25 | 广东九博科技股份有限公司 | SNMP message analysis method, readable storage medium and computer equipment |
| CN114244677B (en) * | 2021-11-29 | 2023-08-04 | 广东九博科技股份有限公司 | SNMP message analysis method, readable storage medium and computer equipment |
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Application publication date: 20120704 |