CN105515841A - Snmp (Simple Network Management Protocol) information acquisition system based on FPGA (Field Programmable Gata Array) and monitoring method - Google Patents
Snmp (Simple Network Management Protocol) information acquisition system based on FPGA (Field Programmable Gata Array) and monitoring method Download PDFInfo
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- CN105515841A CN105515841A CN201510857141.XA CN201510857141A CN105515841A CN 105515841 A CN105515841 A CN 105515841A CN 201510857141 A CN201510857141 A CN 201510857141A CN 105515841 A CN105515841 A CN 105515841A
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- 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
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
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- 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
- H04L41/08—Configuration management of networks or network elements
- H04L41/085—Retrieval of network configuration; Tracking network configuration history
- H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
Abstract
The invention provides an Snmp (Simple Network Management Protocol) information acquisition system based on an FPGA (Field Programmable Gata Array) and a monitoring method. The system comprises a query unit, an acquisition unit, a positioning unit, a network interface unit, a transmission unit, an FPGA unit, and an upper computer, wherein the query unit is used for querying first information input or output by each switch port; the acquisition unit is connected with the query unit, and is used for acquiring the first information; the positioning unit is connected with the acquisition unit, and is used for positioning corresponding network hardware equipment information according to the first information; the network interface unit is connected with the positioning unit; the transmission unit is used for transmitting the corresponding network hardware equipment information into the FPGA unit by the network interface unit; the FPGA unit is connected with the transmission unit, and is used for receiving the network hardware equipment information, carrying out MODBUS protocol conversion, and sending second information obtained after conversion to the upper computer; and the upper computer is used for judging the acquired second information, and carrying out foreground management on information in an area. The Snmp information acquisition system based on the FPGA and the monitoring method which are provided by the invention can carry out real-time warning on equipment to which abnormal conditions occur, and are convenient for a manager to rapidly position the abnormal equipment.
Description
Technical field
The present invention relates to monitoring of tools technical field in network area, particularly a kind of Snmp information acquisition system based on FPGA and method for supervising.
Background technology
Along with the progressively development of computer network, the equipment in network gets more and more, and network becomes and becomes increasingly complex, and the importance of network management is also more and more obvious.The safety that real-time monitoring greatly ensure that network system is carried out to the network equipment in region.
Snmp agreement (Simple Network Management Protocol), has become actual industrial standard in network management region, and is extensively supported and apply, and most of network management system and platform are all based on Snmp agreement.In experiment, generally provide experimental situation by building network, but such experimental situation not only cost high and also be difficult to management.Therefore seek a kind of method for supervising fast, efficiently concentrated to be of great practical significance.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, providing a kind of Snmp information acquisition system based on FPGA and method for supervising, for monitoring in real time the network equipment in region, reducing costs, optimized network manages.
The invention provides a kind of Snmp information acquisition system based on FPGA, comprising:
Query unit, for inquiring about the first information that each switch ports themselves inputs or outputs, each described switch ports themselves connects several network hardware equipments;
Acquiring unit, is connected with described query unit, for obtaining the first information that described query unit inquires;
Positioning unit, is connected with described acquiring unit, the described network hardware equipment information that the described first information location for getting according to described acquiring unit is corresponding;
Network interface unit, is connected with described positioning unit;
Transmission unit, is connected with described network interface unit, by network interface unit by the described network hardware equipment information transmission of correspondence in FPGA unit;
FPGA unit, is connected with transmission unit, receives the described network hardware equipment information of described transmission unit transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer;
Host computer, with described FPGA unit communication, for judging described second information that collects, and carries out foreground management by the information in region.
Preferably, described network interface unit is Ethernet interface, and described Ethernet interface adopts W5300 Ethernet chip.
Preferably, described network hardware equipment information comprises: network appliance IP address, network equipment ID, I/O traffic, network equipment MAC Address and facility information, described facility information comprises internal memory CPU, utilization rate, system information, upper hop gateway address, device name and operation hours.
Preferably, also comprising: alarm unit, be connected with described host computer, when described host computer judges that described second information is the data of the port of with no authorized, for receiving the described network hardware equipment information of correspondence that described FPGA unit obtains, and reporting to the police;
Memory cell, is connected with described host computer, for storing warping apparatus information, carries out warping apparatus access investigation.
The present invention also provides a kind of method for supervising of the Snmp information acquisition system based on FPGA, comprising:
Query unit inquires about the first information that each switch ports themselves inputs or outputs, and each described switch ports themselves connects several network hardware equipments;
After described query unit has been inquired about, acquiring unit has obtained the first information that described query unit inquires;
After described acquiring unit obtaining information, the described network hardware equipment information that positioning unit is corresponding according to the described first information location that described acquiring unit gets;
Transmission unit by network interface unit by the described network hardware equipment information transmission of correspondence in FPGA unit;
FPGA unit receives the described network hardware equipment information of described transmission unit transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer;
Host computer judges described second information that collects, and the information in region is carried out foreground management.
Preferably, described method also comprises:
When described host computer judges that described second information is the data of the port of with no authorized, alarm unit receives the described network hardware equipment information of correspondence that described FPGA unit obtains, and reports to the police;
Cell stores warping apparatus information, carries out warping apparatus access investigation.
Snmp information acquisition system based on FPGA of the present invention and method for supervising; by Snmp agreement; the information of the network equipment in automatic acquisition region; after the information obtained carries out analyzing and processing; pass to human-computer interaction interface; manager can pass through administration interface, the equipment that location is abnormal rapidly, protection zone network security.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit block diagram of a kind of Snmp data acquisition system based on FPGA of the embodiment of the present invention one;
Fig. 2 is the circuit block diagram of a kind of Snmp data acquisition system based on FPGA of the embodiment of the present invention two;
Fig. 3 is the structured flowchart of a kind of Snmp data acquisition system based on FPGA of the present invention;
Fig. 4 is the schematic flow sheet of the method for supervising of a kind of Snmp data acquisition system based on FPGA in the present invention.
In figure:
1, query unit; 2, acquiring unit; 3, positioning unit; 4, network interface unit; 5, transmission unit; 6, FPGA unit; 7, host computer; 8, alarm unit; 9, memory cell.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of Snmp data acquisition system based on FPGA, comprising: query unit 1, and for inquiring about the first information that each switch ports themselves inputs or outputs, each described switch ports themselves connects several network hardware equipments; Wherein, the first information is the information associated with network hardware equipment; Acquiring unit 2, is connected with described query unit 1, for obtaining the first information that described query unit 1 inquires; Positioning unit 3, is connected with described acquiring unit 2, the described network hardware equipment information that the described first information location for getting according to described acquiring unit 2 is corresponding; Described network hardware equipment comprises: network area server, computer, printer, switch etc.; Correspondingly, described network hardware equipment information comprises: network appliance IP address, network equipment ID, I/O traffic, network equipment MAC Address and facility information, described facility information comprises internal memory CPU, utilization rate, system information, upper hop gateway address, device name and operation hours.Network interface unit 4, is connected with described positioning unit 3; Transmission unit 5, is connected with described network interface unit 4, by network interface unit 4 by the described network hardware equipment information transmission of correspondence in FPGA unit 6; FPGA unit 6, is connected with transmission unit 5, receives the described network hardware equipment information of described transmission unit 5 transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer 7; Host computer 7, with the communication of described FPGA unit 6, for judging described second information that collects, and carries out foreground management by the information in region.
Wherein, the second information is the information corresponding with network hardware equipment information.
Described network interface unit 6 is Ethernet interface, and described Ethernet interface adopts W5300 Ethernet chip.
As shown in Figure 2, in another embodiment, described system also comprises: alarm unit 8, be connected with described host computer 7, when described host computer 7 judges that described second information is the data of the port of with no authorized, for receiving the described network hardware equipment information of correspondence that described FPGA unit 6 obtains, and report to the police; Memory cell 9, is connected with described host computer 7, for storing warping apparatus information, carries out warping apparatus access investigation.
As shown in Figure 3, the present invention can realize collection and the information processing function of network hardware equipment information, the FPGA unit of the EPF10K250A model adopting ALTRA company to produce, 12, 160 logical blocks (LE), 1, 520 logic array modules (LAB), 20 embedded array block piece roof gardens (EAB), internal resource enriches, fast operation, disposal ability is strong, data acquisition unit is installed in a network, FPGA inside adopts Snmp (Simple Network Management Protocol, the standard managed by a group network forms, comprise an application layer protocol, database model and one group of resource object.) agreement, by the mode of poll, inquire about the input and output of the information of each switch ports themselves, according to the IP address of the equipment in obtained Information locating network, network equipment ID, I/O traffic, device mac address, and to facility information, such as, internal memory CPU, utilization rate, system information, upper hop gateway address, the information such as device name and operation hours, send data in FPGA by W5300 Ethernet chip, carry out MODBUS protocol conversion, and the data message after conversion is delivered to foreground administration interface, keeper collects information to equipment and carries out confirming and authorize.
The present embodiment is for the data of the port of with no authorized, and FPGA obtains rapidly the relevant information of this multi-port network device, and is uploaded onto the server by facility information and carry out alarm, stores warping apparatus information, carries out warping apparatus access investigation after convenient.When the network equipment is in network off-state, system also can carry out Real-time Alarm process, prevents the network equipment offline condition that loose contact or artificial origin cause.To the machine operation monitoring in network area, when the running status of equipment exceedes the threshold value of setting, FPGA sends a warning message, and effectively can prevent the overburden situation of the network equipment.
The present invention is after acquisition relevant device information, MODBUS protocol conversion is carried out to information, FPGA can automatic identification information collector to be connected with service RS-232, RS-422, RS-485, Ethernet, and select corresponding data transfer mode to mate these physical channels according to different physical interfaces, finally send data in main equipment or server and process.
Snmp information acquisition device based on FPGA of the present invention may be used for different network management scenes, facility information in automatic acquisition network scenarios, order is sent without the need to main frame, its beneficial effect is, equipment automatic acquisition function, relative to Traditional Man Data Enter mode, the difficulty of foreground management development can be reduced.
In addition, the present invention uses FPGA as the primary processor of collector, and its beneficial effect is, FPGA relies on hardware circuit practical function, and execution speed is fast, has ultra high data disposal ability, reduce the device count in collector, hardware circuit is simple, and system reliability is high.
As shown in Figure 4, a kind of method for supervising of the Snmp data acquisition system based on FPGA, comprising:
401, query unit inquires about the first information that each switch ports themselves inputs or outputs, and each described switch ports themselves connects several network hardware equipments;
402, after described query unit has been inquired about, acquiring unit obtains the first information that described query unit inquires;
403, after described acquiring unit obtaining information, the described network hardware equipment information that positioning unit is corresponding according to the described first information location that described acquiring unit gets;
404, transmission unit by network interface unit by the described network hardware equipment information transmission of correspondence in FPGA unit;
405, FPGA unit receives the described network hardware equipment information of described transmission unit transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer;
406, host computer judges described second information that collects, and the information in region is carried out foreground management.
Concrete structure and the principle of the Snmp data acquisition system based on FPGA in the present embodiment are as noted above, repeat no more herein.
Snmp information acquisition system of the present invention and method for supervising, can according to different network management scenes, the network hardware equipment information in automatic acquisition network scenarios, and carry out data analysis and MODBUS protocol conversion to the hardware equipment information in network area; The present invention uses FPGA as the primary processor of collector, function expansibility is strong, and use FPGA to realize the conversion of Snmp agreement and MODBUS agreement, data protocol conversion speed is fast, the reliability of data protocol conversion improves, RS-232, RS-422, RS-485 that collector provides MODBUS agreement to support and Ethernet, standard interface abundant species, can mate more eurypalynous server, improve the applicability of system compared with single face equipment.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1., based on the Snmp information acquisition system of FPGA, it is characterized in that, comprising:
Query unit, for inquiring about the first information that each switch ports themselves inputs or outputs, each described switch ports themselves connects several network hardware equipments;
Acquiring unit, is connected with described query unit, for obtaining the first information that described query unit inquires;
Positioning unit, is connected with described acquiring unit, the described network hardware equipment information that the described first information location for getting according to described acquiring unit is corresponding;
Network interface unit, is connected with described positioning unit;
Transmission unit, is connected with described network interface unit, by network interface unit by the described network hardware equipment information transmission of correspondence in FPGA unit;
FPGA unit, is connected with transmission unit, receives the described network hardware equipment information of described transmission unit transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer;
Host computer, with described FPGA unit communication, for judging described second information that collects, and carries out foreground management by the information in region.
2. the Snmp information acquisition system based on FPGA according to claim 1, is characterized in that, described network interface unit is Ethernet interface, and described Ethernet interface adopts W5300 Ethernet chip.
3. the Snmp information acquisition system based on FPGA according to claim 1, it is characterized in that, described network hardware equipment information comprises: network appliance IP address, network equipment ID, I/O traffic, network equipment MAC Address and facility information, described facility information comprises internal memory CPU, utilization rate, system information, upper hop gateway address, device name and operation hours.
4. the Snmp information acquisition system based on FPGA according to claim 1, is characterized in that, also comprise:
Alarm unit, is connected with described host computer, when described host computer judges that described second information is the data of the port of with no authorized, for receiving the described network hardware equipment information of correspondence that described FPGA unit obtains, and reports to the police;
Memory cell, is connected with described host computer, for storing warping apparatus information, carries out warping apparatus access investigation.
5., as claimed in claim 1 based on the method for supervising of the Snmp information acquisition system of FPGA, it is characterized in that, comprising:
Query unit inquires about the first information that each switch ports themselves inputs or outputs, and each described switch ports themselves connects several network hardware equipments;
After described query unit has been inquired about, acquiring unit has obtained the first information that described query unit inquires;
After described acquiring unit obtaining information, the described network hardware equipment information that positioning unit is corresponding according to the described first information location that described acquiring unit gets;
Transmission unit by network interface unit by the described network hardware equipment information transmission of correspondence in FPGA unit;
FPGA unit receives the described network hardware equipment information of described transmission unit transmission and carries out MODBUS protocol conversion, and the second information after conversion is sent to host computer;
Host computer judges described second information that collects, and the information in region is carried out foreground management.
6., as claimed in claim 5 based on the method for supervising of the Snmp information acquisition system of FPGA, it is characterized in that, described method also comprises:
When described host computer judges that described second information is the data of the port of with no authorized, alarm unit receives the described network hardware equipment information of correspondence that described FPGA unit obtains, and reports to the police;
Cell stores warping apparatus information, carries out warping apparatus access investigation.
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| CN201510857141.XA CN105515841B (en) | 2015-11-27 | 2015-11-27 | Snmp information acquisition systems and monitoring method based on FPGA |
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| CN201510857141.XA CN105515841B (en) | 2015-11-27 | 2015-11-27 | Snmp information acquisition systems and monitoring method based on FPGA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107770022A (en) * | 2017-10-20 | 2018-03-06 | 深圳益邦阳光有限公司 | Collecting method, electronic equipment and storage medium based on rtu protocol |
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