CN105227375A - A kind of method and system building virtual switch network - Google Patents
A kind of method and system building virtual switch network Download PDFInfo
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- CN105227375A CN105227375A CN201510697097.0A CN201510697097A CN105227375A CN 105227375 A CN105227375 A CN 105227375A CN 201510697097 A CN201510697097 A CN 201510697097A CN 105227375 A CN105227375 A CN 105227375A
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Abstract
The invention provides a kind of method and system building virtual switch network, for the development& testing of network management system, the method of the switch network that described structure is virtual comprises: when receiving the request that network management system sends, resolving and obtain the request content in described request to described request; According to described request content by the state of the virtual switch set up in advance and virtual network topology or to the operational feedback of the management information library file of described virtual switch to described network management system.The present invention is by setting up virtual switch and virtual network topology, can simulating network, self-defined interpolation or deletion virtual switch, self-defined network topology, link in the room of configuration virtual, to test different network events, the present invention also by importing management information bank (MIB) file of actual switch, resolving to the mib file needed for virtual switch, making virtual switch simulate real network environment more really.
Description
Technical field
The present invention relates to technical field of network management, particularly relate to technical field of network test, be specially a kind of method and system building virtual switch network.
Background technology
The network management software is exactly the network management system that can complete Network Management Function, is called for short network management system.The product of all network companies all supports SNMP standard, by disposing the network management software, can monitor the state of switch and router in whole network environment, finds the network element device in network and the whole network topology structure of understanding more clearly.SNMP (SimpleNetworkManagementProtocol, Simple Network Management Protocol), the standard managed by a group network forms, and comprises an application layer protocol (applicationlayerprotocol), database model (databaseschema) and one group of resource object.Whether this agreement can network enabled management system, have anyly cause the upper situation about paying close attention to of management in order to the monitoring equipment be connected on network.This agreement is a part for the internet protocol family that Internet Engineering Task group (IETF, InternetEngineeringTaskForce) defines.The target of SNMP is the hardware and software platform of numerous manufacturer production on managing internet Internet, and therefore SNMP is also very large by the impact of Internet standard network Governance framework.SNMP has gone out the agreement to the 3rd version, and its function has been strengthened widely than before and improved.
At present, when the development& testing network management software, often need first to build a real mininet for test program, can waste resource like this and underaction, the problem often run in exploitation network management system process is as follows: 1). and the too many netting twine of switch is smoothed out with the fingers unclear at all; 2) fan can by netting twine head shake pine at work for switch, a part of switch in network is caused to connect, 3) drawing topological graph that all will be again manual during each replacing network topology, and then the contrast that calcaneus rete guard system finds, often want hand drawn half an hour; 4) power of computer room often trips.And, need the inconvenience of the real network environment of manual construction also to comprise the configuration of equipment, building of network topology in exploitation, test snmp network management system process, the management of equipment and the Cost Problems of equipment.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of method and system building virtual switch network, manually builds for solving in prior art the problem that the configuration that test network brings is loaded down with trivial details, waste time and energy.
For achieving the above object and other relevant objects, the invention provides a kind of method building virtual switch network, for the development& testing of network management system, the method of the switch network that described structure is virtual comprises: when receiving the request that network management system sends, resolving and obtain the request content in described request to described request; According to described request content by the state of the virtual switch set up in advance and virtual network topology or to the operational feedback of the management information library file of described virtual switch to described network management system.
Preferably, the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology is set up according to the quantity of actual switch with actual switch network topology.
Preferably, the generative process of the management information library file of described virtual switch comprises: import the management information library file of described actual switch also by generating the management information library file needed for the virtual switch corresponding with described actual switch to the parsing of the management information library file of described actual switch.
Preferably, the method of the switch network that described structure is virtual also comprises: the management information bank setting up the management information library file for preserving described virtual switch, and the management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
Preferably, the method for the switch network that described structure is virtual also comprises: generate warning information and described warning information is fed back to described network management system.
For achieving the above object, the present invention also provides a kind of system building virtual switch network, for the development& testing of network management system, the system of the switch network that described structure is virtual comprises: switch network module, for setting up virtual switch and virtual network topology; Management information library module, is connected with described switch network module, for generating and controlling the management information library file of described virtual switch; Request receiving module, for the request that receiving network managing system sends; Resolve acquisition module, be connected with described request receiver module, for resolving described request and obtaining the request content in described request; Control module, be connected with described management information library module with described parsing acquisition module, described switch network module, for state or the operation of execution to the management information library file of described virtual switch of virtual switch and described virtual network topology according to described request content obtaining; Message generation module, is connected with described control module, for by described virtual switch with the state of described virtual network topology or become message to the operation transformation of the management information library file of described virtual switch; Message sending module, is connected with described message generation module, for being sent to described network management system by counter for described message.
Preferably, described switch network module sets up the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology according to the quantity of actual switch and actual switch network topology.
Preferably, described management information library module comprises: import unit, for importing the management information library file of described actual switch; Resolution unit, is connected with described importing unit, for resolving the management information library file of described actual switch; Generation unit, is connected with described resolution unit, for generating the management information library file needed for the virtual switch corresponding with described actual switch according to the analysis result of described resolution unit.
Preferably, described management information library module also comprises: management information library unit, be connected with described generation unit, for setting up the management information bank of the management information library file preserving described virtual switch, the management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
Preferably, the system of the switch network that described structure is virtual also comprises: the alarm module be connected with described control module, for generating warning information; Described control module controls described warning information to feed back to described network management system.
As mentioned above, a kind of method and system building virtual switch network of the present invention, have following beneficial effect:
1, the present invention is by setting up virtual switch and virtual network topology, can simulating network, self-defined interpolation or deletion virtual switch, self-defined network topology, link in the room of configuration virtual, to test different network events, the present invention also by importing management information bank (MIB) file of actual switch, resolving to the mib file needed for virtual switch, making virtual switch simulate real network environment more really.
2, the present invention can solve the loaded down with trivial details configuration of development and testing personnel, saves expensive hardware cost, for the debugging of network management system software and detecting large volume are offered help.
Accompanying drawing explanation
Fig. 1 is shown as the schematic flow sheet of the method for the virtual switch network of structure of the present invention.
Fig. 2 is shown as the schematic diagram of transfer of data in the method for the virtual switch network of structure of the present invention.
Fig. 3 is shown as the structural representation of the system of the virtual switch network of structure of the present invention.
Element numbers explanation
The system of the switch network that 1 structure is virtual
11 switch network modules
12 management information library modules
13 request receiving modules
14 resolve acquisition module
15 control modules
16 message generation modules
17 message sending modules
18 alarm modules
2 network management system
S11 ~ S12 step
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
The object of the present invention is to provide a kind of method and system building virtual switch network, manually building for solving in prior art the problem that the configuration that test network brings is loaded down with trivial details, waste time and energy.To a kind of principle and execution mode building the method and system of virtual switch network of the present invention be elaborated below, make those skilled in the art not need creative work can understand a kind of method and system building virtual switch network of the present invention.
The present embodiment provides a kind of method and system building virtual switch network, virtual switch network in the present embodiment is the virtual switch network built based on SNMP (SimpleNetworkManagementProtocol, Simple Network Management Protocol).
The present embodiment provides a kind of method building virtual switch network, and for the development& testing of network management system, particularly, as shown in Figure 1, the method for the switch network that described structure is virtual comprises the following steps.
Step S11, when receiving the request that network management system sends, resolving described request and obtaining the request content in described request.
Step S12, according to described request content by the state of the virtual switch set up in advance and virtual network topology or to the operational feedback of the management information library file of described virtual switch to described network management system.
As shown in Figure 2, below step S11 and step S12 is described in detail.
Step S11, when receiving the request that network management system sends, resolving described request and obtaining the request content in described request.Wherein, in the present embodiment, the request that described network management system sends is SNMP request.Particularly, when receiving the SNMP request that network management system sends, described SNMP request being resolved and obtains the request content in described SNMP request, that is, needing to resolve the packet sent, judge what corresponding request is.Particularly, a long connection can be maintained, in the request data package that certain designated port receiving network managing system sends.
Step S12, according to described request content by the state of the virtual switch set up in advance and virtual network topology or to the operational feedback of the management information library file of described virtual switch to described network management system.Namely perform corresponding method and logic according to described request content.
Particularly, in the present embodiment, the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology is set up according to the quantity of actual switch with actual switch network topology.
Wherein, can by setting up the described virtual switch of client end interface or web interface display foundation and described virtual network topology, can simulating network, can self-defined interpolation or delete virtual switch, self-defined network topology, link in the room of configuration virtual, to test different network events.So the present invention can solve the loaded down with trivial details configuration of development and testing personnel, save expensive hardware cost, for the debugging of network management system software and detecting large volume are offered help.
The generative process of the management information library file of described virtual switch comprises: import the management information library file of described actual switch also by generating the management information library file needed for the virtual switch corresponding with described actual switch to the parsing of the management information library file of described actual switch.The present embodiment, by importing management information bank (MIB) file of actual switch, resolves to the mib file needed for virtual switch, makes virtual switch simulate real network environment more really.
Management information bank (MIB, ManagementInformationBase) be one of the content of TCP/IP NMP standard card cage, MIB defines data item that managed device must preserve, allow the operation carried out each data item and implication thereof, and namely the data variable such as control and state information of the addressable managed device of management system is all kept in MIB.
In the present embodiment, the method of the switch network that described structure is virtual also comprises: the management information bank setting up the management information library file for preserving described virtual switch, and described management information bank is used for realizing increase, deletes, changes or inquire about the operation of MIB.The management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
In the present embodiment, by the state of the virtual switch set up in advance and virtual network topology or feed back to described network management system to the management information library file of described virtual switch with the form of SNMP message.
In addition, in the present embodiment, the method for the switch network that described structure is virtual also comprises: generate warning information and described warning information is fed back to described network management system.Particularly, in the present embodiment, described warning information is trap (trap) alarm, can create a trap alarm, manually can generate trap, also timing automatic can generate trap.Convert trap alarm to SNMP message, feed back to described network management system with the form of SNMP message.
Particularly, as shown in Figure 3, for realizing the method for the virtual switch network of above-mentioned structure, the present embodiment correspondence provides a kind of system 1 building virtual switch network, for the development& testing of network management system 2, the system 1 of the switch network that described structure is virtual comprises: switch network module 11, management information library module 12, request receiving module 13, resolves acquisition module 14, control module 15, message generation module 16 and message sending module 17.
Described switch network module 11 is for setting up virtual switch and virtual network topology; Particularly, in the present embodiment, described switch network module 11 sets up the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology according to the quantity of actual switch and actual switch network topology.
Wherein, can by setting up the described virtual switch of client end interface or web interface display foundation and described virtual network topology, can simulating network, can self-defined interpolation or delete virtual switch, self-defined network topology, link in the room of configuration virtual, to test different network events.So the present invention can solve the loaded down with trivial details configuration of development and testing personnel, save expensive hardware cost, for the debugging of network management system 2 software and detecting large volume are offered help.
Described management information library module 12 is connected with described switch network module 11, for generating and controlling the management information library file of described virtual switch.Particularly, in the present embodiment, described management information library module 12 comprises: import unit, for importing the management information library file of described actual switch; Resolution unit is connected with described importing unit, for resolving the management information library file of described actual switch; Generation unit is connected with described resolution unit, for generating the management information library file needed for the virtual switch corresponding with described actual switch according to the analysis result of described resolution unit.The present embodiment, by importing management information bank (MIB) file of actual switch, resolves to the mib file needed for virtual switch, makes virtual switch simulate real network environment more really.
Management information bank (MIB, ManagementInformationBase) be one of the content of TCP/IP NMP standard card cage, MIB defines data item that managed device must preserve, allow the operation carried out each data item and implication thereof, and namely the data variable such as control and state information of the addressable managed device of management system is all kept in MIB.
Described management information library module 12 also comprises: management information library unit, be connected with described generation unit, for setting up the management information bank of the management information library file preserving described virtual switch, described management information bank is used for realizing increase, deletes, changes or inquire about the operation of MIB.The management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
The request that described request receiver module 13 sends for receiving network managing system 2; Wherein, in the present embodiment, the request that described network management system 2 sends is SNMP request.
Described parsing acquisition module 14 is connected with described request receiver module 13, for resolving described request and obtaining the request content in described request; Particularly, when receiving the SNMP request that network management system 2 sends, described SNMP request being resolved and obtains the request content in described SNMP request, that is, needing to resolve the packet sent, judge what corresponding request is.Particularly, a long connection can be maintained, in the request data package that certain designated port receiving network managing system 2 sends.
Described control module 15 is connected with described management information library module 12 with described parsing acquisition module 14, described switch network module 11, for state or the operation of execution to the management information library file of described virtual switch of virtual switch and described virtual network topology according to described request content obtaining.Described control module 15 namely performs corresponding method and logic according to described request content.
Described message generation module 16 is connected with described control module 15, for by described virtual switch with the state of described virtual network topology or become message to the operation transformation of the management information library file of described virtual switch; In the present embodiment, by described virtual switch with the state of described virtual network topology or become SNMP message to the operation transformation of the management information library file of described virtual switch.
Described message sending module 17 is connected with described message generation module 16, for being sent to described network management system 2 by counter for described message.In the present embodiment, described message sending module 17 is by the state of the virtual switch set up in advance and virtual network topology or feed back to described network management system 2 to the management information library file of described virtual switch with the form of SNMP message.
In addition, in the present embodiment, the system 1 of the switch network that described structure is virtual also comprises: the alarm module 18 be connected with described control module 15, for generating warning information; Described control module 15 controls described warning information to feed back to described network management system 2.Particularly, in the present embodiment, described warning information is trap (trap) alarm, can create a trap alarm, manually can generate trap, also timing automatic can generate trap.Described message generation module 16 converts trap alarm to SNMP message, and described message sending module 17 feeds back to described network management system 2 with the form of SNMP message.
In sum, the present invention is by setting up virtual switch and virtual network topology, can simulating network, self-defined interpolation or deletion virtual switch, self-defined network topology, link in the room of configuration virtual, to test different network events, the present invention is also by importing management information bank (MIB) file of actual switch, resolve to the mib file needed for virtual switch, make virtual switch simulate real network environment more really; The present invention can solve the loaded down with trivial details configuration of development and testing personnel, saves expensive hardware cost, for the debugging of network management system 2 software and detecting large volume are offered help.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. build a method for virtual switch network, for the development& testing of network management system, it is characterized in that: the method for the switch network that described structure is virtual comprises:
When receiving the request that network management system sends, described request being resolved and obtains the request content in described request;
According to described request content by the state of the virtual switch set up in advance and virtual network topology or to the operational feedback of the management information library file of described virtual switch to described network management system.
2. the method for the switch network that structure according to claim 1 is virtual, is characterized in that: quantity and actual switch network topology according to actual switch set up the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology.
3. the method for the switch network that structure according to claim 1 is virtual, is characterized in that: the generative process of the management information library file of described virtual switch comprises:
Import the management information library file of described actual switch also by generating the management information library file needed for the virtual switch corresponding with described actual switch to the parsing of the management information library file of described actual switch.
4. the method for the switch network that structure according to claim 3 is virtual, it is characterized in that: the method for the switch network that described structure is virtual also comprises: the management information bank setting up the management information library file for preserving described virtual switch, the management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
5. the method for the switch network that structure according to claim 1 is virtual, is characterized in that: the method for the switch network that described structure is virtual also comprises: generate warning information and described warning information is fed back to described network management system.
6. build a system for virtual switch network, for the development& testing of network management system, it is characterized in that: the system of the switch network that described structure is virtual comprises:
Switch network module, for setting up virtual switch and virtual network topology;
Management information library module, is connected with described switch network module, for generating and controlling the management information library file of described virtual switch;
Request receiving module, for the request that receiving network managing system sends;
Resolve acquisition module, be connected with described request receiver module, for resolving described request and obtaining the request content in described request;
Control module, be connected with described management information library module with described parsing acquisition module, described switch network module, for state or the operation of execution to the management information library file of described virtual switch of virtual switch and described virtual network topology according to described request content obtaining;
Message generation module, is connected with described control module, for by described virtual switch with the state of described virtual network topology or become message to the operation transformation of the management information library file of described virtual switch;
Message sending module, is connected with described message generation module, for described message is sent to described network management system.
7. the system of the switch network that structure according to claim 6 is virtual, is characterized in that: described switch network module sets up the described virtual switch corresponding with the quantity of described actual switch and described actual switch network topology and described virtual network topology according to the quantity of actual switch and actual switch network topology.
8. the system of the switch network that structure according to claim 6 is virtual, is characterized in that: described management information library module comprises:
Import unit, for importing the management information library file of described actual switch;
Resolution unit, is connected with described importing unit, for resolving the management information library file of described actual switch;
Generation unit, is connected with described resolution unit, for generating the management information library file needed for the virtual switch corresponding with described actual switch according to the analysis result of described resolution unit.
9. the system of the switch network that structure according to claim 8 is virtual, is characterized in that: described management information library module also comprises:
Management information library unit, be connected with described generation unit, for setting up the management information bank of the management information library file preserving described virtual switch, the management information library file of described virtual switch is formed with the node type management information library file of tree in described management information bank to be preserved.
10. the system of the switch network that structure according to claim 6 is virtual, is characterized in that: the system of the switch network that described structure is virtual also comprises: the alarm module be connected with described control module, for generating warning information; Described control module controls described warning information to feed back to described network management system.
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