CN109067603A - A kind of method and system of determining substation network VLAN allocation problem - Google Patents

A kind of method and system of determining substation network VLAN allocation problem Download PDF

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Publication number
CN109067603A
CN109067603A CN201811150558.2A CN201811150558A CN109067603A CN 109067603 A CN109067603 A CN 109067603A CN 201811150558 A CN201811150558 A CN 201811150558A CN 109067603 A CN109067603 A CN 109067603A
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China
Prior art keywords
vlan
interchanger
scd
mouth
configuration
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CN201811150558.2A
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CN109067603B (en
Inventor
沈大千
郑永康
谭夕柳
刘勇
周劲
谢东
莫钦森
李顺
黄永浩
陈坤
罗小春
陈勇
王淦
赵梓宏
潘登
刘明忠
王平
周文越
朱鑫
韩睿
潘南西
卢音朴
范爱玲
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State Grid Sichuan Electric Power Co Ltd
Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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State Grid Sichuan Electric Power Co Ltd
Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Priority to CN201811150558.2A priority Critical patent/CN109067603B/en
Publication of CN109067603A publication Critical patent/CN109067603A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4641Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02Standardisation; Integration
    • H04L41/0213Standardised network management protocols, e.g. simple network management protocol [SNMP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0866Checking the configuration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876Network utilisation, e.g. volume of load or congestion level

Abstract

The invention discloses a kind of methods of determining substation network VLAN allocation problem, comprising the following steps: step 1, the VLAN configuration of design documentation and the VLAN configuration of actual device are compared;If the VLAN configuration of design documentation and the VLAN of actual device configure not identical, the VLAN configuration error of actual device;If the VLAN configuration of design documentation is identical as the VLAN configuration of actual device, 2 are gone to step;Step 2, the VLAN configuration of SCD and the VLAN configuration of interchanger are compared;If the VLAN configuration of SCD is identical as the VLAN configuration of interchanger, 3 are gone to step;If the VLAN configuration of SCD is not identical as the VLAN configuration of interchanger, 5 are gone to step.The invention also discloses a kind of systems of determining substation network VLAN allocation problem.The present invention judge specific network communication problem be SCD configuration error, optical fiber it is obstructed, it is interchanger configuration error which, to achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.

Description

A kind of method and system of determining substation network VLAN allocation problem
Technical field
The present invention relates to network VLAN field of configuration, and in particular to a kind of side of determining substation network VLAN allocation problem Method and system.
Background technique
The problem of traditional judgement intelligent substation network communication is typically all to establish communication failure monitoring server through entering Mouth switch and cascade interchanger, equipment networking, communication failure monitoring server obtain interchanger, equipment through access switch The communication network topology of composition obtains network communication state, to reach according to network communication state to intelligent substation network The judgement of communication failure.But this mode is the configuration of SCD, the configuration of interchanger, state of real time communication mouth etc. for reason Situation caused by single or comprehensive function cannot comprehensively and accurately judge communication issue.
Summary of the invention
The present invention is in order to solve the above-mentioned technical problem, and it is an object of the present invention to provide a kind of determining substation network VLAN allocation problem Method and system.
The present invention is achieved through the following technical solutions:
A kind of method of determining substation network VLAN allocation problem, comprising the following steps:
Step 1, the VLAN configuration of design documentation and the VLAN configuration of interchanger are compared;If the VLAN of design documentation Configuration is identical as the VLAN configuration of actual device, then goes to step 2;
Step 2, the VLAN of SCD is divided and is compared with the VLAN of interchanger division;If the VLAN of SCD is divided and is exchanged The VLAN division of machine is identical, goes to step 3;If the VLAN division of SCD and the VLAN division of interchanger be not identical, 5 are gone to step;
Step 3, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD VLAN mouth data traffic and interchanger VLAN mouth data traffic it is inconsistent, execute step 4;
Step 4, if the number of the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD and pre-configuration Reach certain percentage according to the positive negative phase contrast of flow, then SCD configuration error;
Step 5, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD VLAN divide flow and interchanger VLAN divide flow it is inconsistent, execute step 6;
Step 6, whether the data traffic for judging the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is zero, such as The data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of fruit SCD is zero, then optical fiber is obstructed;If SCD's The data traffic of the VLAN mouth of VLAN mouthfuls of data traffic and interchanger is not zero, then interchanger configuration error.
The present invention is in application, for the existing defect for judging network communication problem in intelligent substation, using SCD file solution The VLAN of analysis is configured and each device connection relationship, and by configuring with the VLAN of interchanger, real time communication mouth state comprehensive analysis is obtained To following three kinds of networks VLAN allocation problems, comprising:
A, if the VLAN of SCD configuration is identical as the VLAN configuration of interchanger but port flow and desired flow rate of are inconsistent Judge it for SCD configuration error;
B, if SCD configuration VLAN is different from the VLAN configuration that interchanger configures but port flow with desired flow rate of not Unanimously judge it for interchanger configuration error;
C, if SCD configuration VLAN with the VLAN configuration of interchanger identical but port from start to finish all without flow if Judge its situation obstructed for optical fiber;
The VLAN of SCD in step 2 is divided into be analyzed to obtain to design documentation by SCD.
The VLAN division of interchanger in step 2 communicate obtaining by snmp simple network management protocol with interchanger It takes.
To achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.
Comparison described above is to configure flow and each IED device (intelligent terminal, combining unit to design documentation VLAN Deng) VLAN configuration traffic conditions compare.Matched using design documentation VLAN and postpones desired flow rate of situation and each IED device The actual flow situation of (intelligent terminal, combining unit etc.) is compared, and advantage is with feasibility and to keep comparing result more objective It sees.The VLAN configuration for excluding design documentation is identical as the VLAN configuration of actual device, i.e. the completely normal correct situation of operation, subtracts Few subsequent unnecessary judgement, reduces reduction system workload.Conducive to the use of exclusive method when subsequent judgement concrete condition.
It is divided using the VLAN of SCD analysis software SCD configuration file, using snmp simple network management protocol and is handed over It changes planes and is communicated, the VLAN for obtaining interchanger is divided, and the configuration of obtained the two is compared.Relatively there is feasibility in this way, And it is convenient accurate.
Further, the monitoring method of the data traffic of the VLAN mouth of the SCD in step 3 and step 5 is as follows:
Step S1 analyzes the VLAN connection that software parses SCD file by SCD;
Step S2 is sorted out according to the connection of the SCD file VLAN parsed;
Step S3, by all kinds of sizes for calculating separately theoretical message block and data flow;
Step S4 obtains the specific vlan traffic of SCD configuration.
Further, the monitoring method of the data traffic of the VLAN mouth of the interchanger in step 3 and step 5 is as follows:
Step N1 is communicated by snmp simple network management protocol with interchanger, and the VLAN configuration of interchanger is read;
Step N2 judges whether the connection with device mouth Yu interchanger mouth, if having device mouth and handing over It changes planes the connection of mouth, executes step N4;If not having the connection of device mouth and interchanger mouth, step N3 is executed;
Step N3 is sorted out according to the connection of VLAN;
Step N4 calculates the size of theoretical message block and data flow;
Step N5 obtains the specific vlan traffic of interchanger configuration.
The present invention is in application, by VLAN on SCD configuration, the information such as connection relationship of each device, in conjunction with interchanger VLAN configuration and real time communication mouth state judge that network communication problem may be that SCD configuration error, optical fiber is obstructed, interchanger is matched Set mistake.The VLAN configuration of design documentation and the VLAN configuration of actual device are compared first, are judged as if not identical The VLAN configuration error of actual device if the same gets exchanger information by snmp simple network management protocol and leads to Casually state is divided using the VLAN that SCD analysis software goes out SCD configuration, by the VLAN Division and contrast of itself and interchanger:
Whether both observations are identical, when the division of both VLAN is identical,
The VLAN of parsing SCD file matches to postpone to be sorted out according to the connection of VLAN, calculates theoretical message block and number According to the size of stream, the vlan traffic of SCD configuration is obtained, read friendship further according to the SNMP configuration order of interchanger in intelligent substation VLAN configuration on changing planes, if the connection of existing device mouth and interchanger mouth, directly calculating message block and data flow Size, if judging each device mouth and interchanger mouth according to SCD file without the connection of device mouth and interchanger mouth Connection, then the size of message block and data flow is calculated, to obtain the vlan traffic under interchanger configuration.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists It then can determine whether the problem of it is SCD configuration error.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists And the former is not zero, and the VLAN division of SCD configuration and the VLAN division of interchanger are inconsistent, then can determine whether it for interchanger Configuration error problem.
It is divided unanimously when the VLAN of intelligent substation SCD configuration is divided with the VLAN of interchanger, and in other various feelings The port real-time traffic deposited in a local network obtained under condition is all zero always, then may determine that it is led by optical fiber is obstructed It causes.
A kind of system of determining substation network VLAN allocation problem, comprising:
First comparison unit: for comparing the VLAN configuration of design documentation and the VLAN configuration of interchanger;
Second comparison unit: it divides for the VLAN to SCD and is compared with the VLAN of interchanger division;
SCD unit: it analyzes to obtain the VLAN division of SCD for carrying out SCD to design documentation;
SNMP unit: interchanger is acquired for communicate with interchanger by snmp simple network management protocol VLAN is divided;
Monitoring unit: for monitoring the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger in real time;
First comparison unit is compared to by the VLAN configuration of design documentation and the VLAN configuration of interchanger;Work as design When the VLAN configuration of document is identical as the VLAN configuration of interchanger, second comparison unit is divided and is exchanged to the VLAN of SCD The VLAN division of machine compares;
When the VLAN of SCD division is identical as the VLAN division of interchanger, if the data traffic and friendship of the VLAN mouth of SCD The data traffic for the VLAN mouth changed planes is inconsistent, and the data flow of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD When amount reaches certain percentage with the positive negative phase contrast of data traffic being pre-configured, then SCD configuration error;
When the VLAN of SCD, which is divided, divides not identical with the VLAN of interchanger, if the data traffic of VLAN mouth of SCD with The data traffic of the VLAN mouth of interchanger is inconsistent, then judging unit judges the data traffic and interchanger of the VLAN mouth of SCD Whether VLAN mouthfuls of data traffic is zero, if the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD It is zero, then optical fiber is obstructed;If the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD is not zero, Interchanger configuration error.
The present invention is in application, for the existing defect for judging network communication problem in intelligent substation, using SCD file solution The VLAN of analysis is configured and each device connection relationship, and by configuring with the VLAN of interchanger, real time communication mouth state comprehensive analysis is obtained To following three kinds of networks VLAN allocation problems, comprising:
A, if the VLAN of SCD configuration is identical as the VLAN configuration of interchanger but port flow and desired flow rate of are inconsistent Judge it for SCD configuration error;
B, if SCD configuration VLAN is different from the VLAN configuration that interchanger configures but port flow with desired flow rate of not Unanimously judge it for interchanger configuration error;
C, if SCD configuration VLAN with the VLAN configuration of interchanger identical but port from start to finish all without flow if Judge its situation obstructed for optical fiber;
The VLAN of SCD in step 2 is divided into be analyzed to obtain to design documentation by SCD.
The VLAN division of interchanger in step 2 communicate obtaining by snmp simple network management protocol with interchanger It takes.
To achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.
Comparison described above is to configure flow and each IED device (intelligent terminal, combining unit to design documentation VLAN Deng) VLAN configuration traffic conditions compare.Matched using design documentation VLAN and postpones desired flow rate of situation and each IED device The actual flow situation of (intelligent terminal, combining unit etc.) is compared, and advantage is with feasibility and to keep comparing result more objective It sees.The VLAN configuration for excluding design documentation is identical as the VLAN configuration of actual device, i.e. the completely normal correct situation of operation, subtracts Few subsequent unnecessary judgement, reduces reduction system workload.Conducive to the use of exclusive method when subsequent judgement concrete condition.
It is divided using the VLAN of SCD analysis software SCD configuration file, using snmp simple network management protocol and is handed over It changes planes and is communicated, the VLAN for obtaining interchanger is divided, and the configuration of obtained the two is compared.Relatively there is feasibility in this way, And it is convenient accurate.
Further, the monitoring unit includes:
For being sorted out according to the connection of the SCD file VLAN parsed, theoretical message is calculated separately by all kinds of The size of block and data flow, and obtain the SCD configuration unit of the specific vlan traffic of SCD configuration;
The connection of the SCD file VLAN is obtained by SCD unit resolves.
Further, the SNMP unit is also used to be communicated by snmp simple network management protocol with interchanger, Read the VLAN configuration of interchanger;
The judging unit is also with the connection for judging whether to have had device mouth Yu interchanger mouth;
The monitoring unit includes switch monitors unit;
If the connection with device mouth and interchanger mouth, switch monitors unit is according to the connection of VLAN Sorted out and obtains the specific vlan traffic of interchanger configuration;
If not having the connection of device mouth and interchanger mouth, switch monitors unit is in the connection according to VLAN Situation is sorted out and obtains interchanger configuration.
The present invention is in application, cross the information such as connection relationship of the VLAN configuration on SCD, each device, in conjunction with interchanger VLAN configuration and real time communication mouth state judge that network communication problem may be that SCD configuration error, optical fiber is obstructed, interchanger is matched Set mistake.The VLAN configuration of design documentation and the VLAN configuration of actual device are compared first, are judged as if not identical The VLAN configuration error of actual device if the same gets exchanger information by snmp simple network management protocol and leads to Casually state is divided using the VLAN that SCD analysis software goes out SCD configuration, by the VLAN Division and contrast of itself and interchanger:
Whether both observations are identical, when the division of both VLAN is identical,
The VLAN of parsing SCD file matches to postpone to be sorted out according to the connection of VLAN, calculates theoretical message block and number According to the size of stream, the vlan traffic of SCD configuration is obtained, read friendship further according to the SNMP configuration order of interchanger in intelligent substation VLAN configuration on changing planes, if the connection of existing device mouth and interchanger mouth, directly calculating message block and data flow Size, if judging each device mouth and interchanger mouth according to SCD file without the connection of device mouth and interchanger mouth Connection, then the size of message block and data flow is calculated, to obtain the vlan traffic under interchanger configuration.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists It then can determine whether the problem of it is SCD configuration error.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists And the former is not zero, and the VLAN division of SCD configuration and the VLAN division of interchanger are inconsistent, then can determine whether it for interchanger Configuration error problem.
It is divided unanimously when the VLAN of intelligent substation SCD configuration is divided with the VLAN of interchanger, and in other various feelings The port real-time traffic deposited in a local network obtained under condition is all zero always, then may determine that it is led by optical fiber is obstructed It causes.
Compared with prior art, the present invention having the following advantages and benefits: the present invention is for existing judgement intelligence The defect of network communication problem in substation is configured using the VLAN of SCD file parsing, by being configured with the VLAN of interchanger, Real time communication mouth state carries out comprehensive analysis, judges that specific network communication problem is SCD configuration error, optical fiber is obstructed, exchanges Machine configuration error which, to achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is general flow chart of the present invention;
Fig. 2 is the algorithm flow chart of the data traffic of the VLAN mouth of SCD of the present invention;
Fig. 3 is the algorithm flow chart of the data traffic of the VLAN mouth of interchanger of the present invention;
Fig. 4 is present system structure chart.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made For limitation of the invention.
Embodiment
As shown in Figure 1, a kind of method of determining substation network VLAN allocation problem, comprising the following steps:
Step 1, the VLAN configuration of design documentation and the VLAN configuration of interchanger are compared;If the VLAN of design documentation Configuration is identical as the VLAN configuration of actual device, then goes to step 2;
Step 2, the VLAN of SCD is divided and is compared with the VLAN of interchanger division;If the VLAN of SCD is divided and is exchanged The VLAN division of machine is identical, goes to step 3;If the VLAN division of SCD and the VLAN division of interchanger be not identical, 5 are gone to step;
Step 3, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD VLAN mouth data traffic and interchanger VLAN mouth data traffic it is inconsistent, execute step 4;
Step 4, if the number of the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD and pre-configuration Reach certain percentage according to the positive negative phase contrast of flow, then SCD configuration error;
Step 5, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD VLAN divide flow and interchanger VLAN divide flow it is inconsistent, execute step 6;
Step 6, whether the data traffic for judging the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is zero, such as The data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of fruit SCD is zero, then optical fiber is obstructed;If SCD's The data traffic of the VLAN mouth of VLAN mouthfuls of data traffic and interchanger is not zero, then interchanger configuration error.
For the defect of network communication problem in existing judgement intelligent substation, configured using the VLAN of SCD file parsing And each device connection relationship, by configuring with the VLAN of interchanger, real time communication mouth state comprehensive analysis obtains following three kinds of nets Network VLAN allocation problem, comprising:
A, if the VLAN of SCD configuration is identical as the VLAN configuration of interchanger but port flow and desired flow rate of are inconsistent Judge it for SCD configuration error;
B, if SCD configuration VLAN is different from the VLAN configuration that interchanger configures but port flow with desired flow rate of not Unanimously judge it for interchanger configuration error;
C, if SCD configuration VLAN with the VLAN configuration of interchanger identical but port from start to finish all without flow if Judge its situation obstructed for optical fiber;
The VLAN of SCD in step 2 is divided into be analyzed to obtain to design documentation by SCD.
The VLAN division of interchanger in step 2 communicate obtaining by snmp simple network management protocol with interchanger It takes.
To achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.
Comparison described above is to configure flow and each IED device (intelligent terminal, combining unit to design documentation VLAN Deng) VLAN configuration traffic conditions compare.Matched using design documentation VLAN and postpones desired flow rate of situation and each IED device The actual flow situation of (intelligent terminal, combining unit etc.) is compared, and advantage is with feasibility and to keep comparing result more objective It sees.The VLAN configuration for excluding design documentation is identical as the VLAN configuration of actual device, i.e. the completely normal correct situation of operation, subtracts Few subsequent unnecessary judgement, reduces reduction system workload.Conducive to the use of exclusive method when subsequent judgement concrete condition.
It is divided using the VLAN of SCD analysis software SCD configuration file, using snmp simple network management protocol and is handed over It changes planes and is communicated, the VLAN for obtaining interchanger is divided, and the configuration of obtained the two is compared.Relatively there is feasibility in this way, And it is convenient accurate.
As shown in Fig. 2, the monitoring method of the data traffic of the VLAN mouth of the SCD in step 3 and step 5 is as follows:
Step S1 analyzes the VLAN connection that software parses SCD file by SCD;
Step S2 is sorted out according to the connection of the SCD file VLAN parsed;
Step S3, by all kinds of sizes for calculating separately theoretical message block and data flow;
Step S4 obtains the specific vlan traffic of SCD configuration.
As shown in figure 3, the monitoring method of the data traffic of the VLAN mouth of the interchanger in step 3 and step 5 is as follows:
Step N1 is communicated by snmp simple network management protocol with interchanger, and the VLAN configuration of interchanger is read;
Step N2 judges whether the connection with device mouth Yu interchanger mouth, if having device mouth and handing over It changes planes the connection of mouth, executes step N4;If not having the connection of device mouth and interchanger mouth, step N3 is executed;
Step N3 is sorted out according to the connection of VLAN;
Step N4 calculates the size of theoretical message block and data flow;
Step N5 obtains the specific vlan traffic of interchanger configuration.
By VLAN on SCD configuration, the information such as connection relationship of each device, in conjunction with the VLAN configuration and in real time of interchanger Port state judges that network communication problem may be that SCD configuration error, optical fiber is obstructed, interchanger configuration error.It will set first The VLAN configuration of meter document is compared with the VLAN configuration of actual device, is judged as that the VLAN of actual device matches if not identical Mistake is set, exchanger information and port state are if the same got by snmp simple network management protocol, use SCD The VLAN that analysis software goes out SCD configuration is divided, by the VLAN Division and contrast of itself and interchanger:
Whether both observations are identical, when the division of both VLAN is identical,
The VLAN of parsing SCD file matches to postpone to be sorted out according to the connection of VLAN, calculates theoretical message block and number According to the size of stream, the vlan traffic of SCD configuration is obtained, read friendship further according to the SNMP configuration order of interchanger in intelligent substation VLAN configuration on changing planes, if the connection of existing device mouth and interchanger mouth, directly calculating message block and data flow Size, if judging each device mouth and interchanger mouth according to SCD file without the connection of device mouth and interchanger mouth Connection, then the size of message block and data flow is calculated, to obtain the vlan traffic under interchanger configuration.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists It then can determine whether the problem of it is SCD configuration error.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists And the former is not zero, and the VLAN division of SCD configuration and the VLAN division of interchanger are inconsistent, then can determine whether it for interchanger Configuration error problem.
It is divided unanimously when the VLAN of intelligent substation SCD configuration is divided with the VLAN of interchanger, and in other various feelings The port real-time traffic deposited in a local network obtained under condition is all zero always, then may determine that it is led by optical fiber is obstructed It causes.
As shown in figure 4, a kind of system of determining substation network VLAN allocation problem, comprising:
First comparison unit: for comparing the VLAN configuration of design documentation and the VLAN configuration of interchanger;
Second comparison unit: it divides for the VLAN to SCD and is compared with the VLAN of interchanger division;
SCD unit: it analyzes to obtain the VLAN division of SCD for carrying out SCD to design documentation;
SNMP unit: interchanger is acquired for communicate with interchanger by snmp simple network management protocol VLAN is divided;
Monitoring unit: for monitoring the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger in real time;
First comparison unit is compared to by the VLAN configuration of design documentation and the VLAN configuration of interchanger;Work as design When the VLAN configuration of document is identical as the VLAN configuration of interchanger, second comparison unit is divided and is exchanged to the VLAN of SCD The VLAN division of machine compares;
When the VLAN of SCD division is identical as the VLAN division of interchanger, if the data traffic and friendship of the VLAN mouth of SCD The data traffic for the VLAN mouth changed planes is inconsistent, and the data flow of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD When amount reaches certain percentage with the positive negative phase contrast of data traffic being pre-configured, then SCD configuration error;
When the VLAN of SCD, which is divided, divides not identical with the VLAN of interchanger, if the data traffic of VLAN mouth of SCD with The data traffic of the VLAN mouth of interchanger is inconsistent, then judging unit judges the data traffic and interchanger of the VLAN mouth of SCD Whether VLAN mouthfuls of data traffic is zero, if the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD It is zero, then optical fiber is obstructed;If the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD is not zero, Interchanger configuration error.
For the defect of network communication problem in existing judgement intelligent substation, configured using the VLAN of SCD file parsing And each device connection relationship, by configuring with the VLAN of interchanger, real time communication mouth state comprehensive analysis obtains following three kinds of nets Network VLAN allocation problem, comprising:
A, if the VLAN of SCD configuration is identical as the VLAN configuration of interchanger but port flow and desired flow rate of are inconsistent Judge it for SCD configuration error;
B, if SCD configuration VLAN is different from the VLAN configuration that interchanger configures but port flow with desired flow rate of not Unanimously judge it for interchanger configuration error;
C, if SCD configuration VLAN with the VLAN configuration of interchanger identical but port from start to finish all without flow if Judge its situation obstructed for optical fiber;
The VLAN of SCD in step 2 is divided into be analyzed to obtain to design documentation by SCD.
The VLAN division of interchanger in step 2 communicate obtaining by snmp simple network management protocol with interchanger It takes.
To achieve the purpose that comprehensive and accurate judgement intelligent substation network communication problem.
Comparison described above is to configure flow and each IED device (intelligent terminal, combining unit to design documentation VLAN Deng) VLAN configuration traffic conditions compare.Matched using design documentation VLAN and postpones desired flow rate of situation and each IED device The actual flow situation of (intelligent terminal, combining unit etc.) is compared, and advantage is with feasibility and to keep comparing result more objective It sees.The VLAN configuration for excluding design documentation is identical as the VLAN configuration of actual device, i.e. the completely normal correct situation of operation, subtracts Few subsequent unnecessary judgement, reduces reduction system workload.Conducive to the use of exclusive method when subsequent judgement concrete condition.
It is divided using the VLAN of SCD analysis software SCD configuration file, using snmp simple network management protocol and is handed over It changes planes and is communicated, the VLAN for obtaining interchanger is divided, and the configuration of obtained the two is compared.Relatively there is feasibility in this way, And it is convenient accurate.
The monitoring unit includes:
For being sorted out according to the connection of the SCD file VLAN parsed, theoretical message is calculated separately by all kinds of The size of block and data flow, and obtain the SCD configuration unit of the specific vlan traffic of SCD configuration;
The connection of the SCD file VLAN is obtained by SCD unit resolves.
The SNMP unit is also used to be communicated by snmp simple network management protocol with interchanger, reads interchanger VLAN configuration;
The judging unit is also with the connection for judging whether to have had device mouth Yu interchanger mouth;
The monitoring unit includes switch monitors unit;
If the connection with device mouth and interchanger mouth, switch monitors unit is according to the connection of VLAN Sorted out and obtains the specific vlan traffic of interchanger configuration;
If not having the connection of device mouth and interchanger mouth, switch monitors unit is in the connection according to VLAN Situation is sorted out and obtains interchanger configuration.
Information, the VLAN in conjunction with interchanger such as the connection relationship of the VLAN configuration, each device crossed on SCD are configured and are led in real time Casually state judges that network communication problem may be that SCD configuration error, optical fiber is obstructed, interchanger configuration error.It first will design The VLAN configuration of document is compared with the VLAN configuration of actual device, is judged as the VLAN configuration of actual device if not identical Mistake if the same gets exchanger information and port state by snmp simple network management protocol, uses SCD points The VLAN that analysis software analyzes SCD configuration is divided, by the VLAN Division and contrast of itself and interchanger:
Whether both observations are identical, when the division of both VLAN is identical,
The VLAN of parsing SCD file matches to postpone to be sorted out according to the connection of VLAN, calculates theoretical message block and number According to the size of stream, the vlan traffic of SCD configuration is obtained, read friendship further according to the SNMP configuration order of interchanger in intelligent substation VLAN configuration on changing planes, if the connection of existing device mouth and interchanger mouth, directly calculating message block and data flow Size, if judging each device mouth and interchanger mouth according to SCD file without the connection of device mouth and interchanger mouth Connection, then the size of message block and data flow is calculated, to obtain the vlan traffic under interchanger configuration.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists It then can determine whether the problem of it is SCD configuration error.
The port actual flow in local area network and the positive negative phase contrast of the flow of pre-configuration reach certain percentage if it exists And the former is not zero, and the VLAN division of SCD configuration and the VLAN division of interchanger are inconsistent, then can determine whether it for interchanger Configuration error problem.
It is divided unanimously when the VLAN of intelligent substation SCD configuration is divided with the VLAN of interchanger, and in other various feelings The port real-time traffic deposited in a local network obtained under condition is all zero always, then may determine that it is led by optical fiber is obstructed It causes.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations Also it should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of method of determining substation network VLAN allocation problem, which comprises the following steps:
Step 1, the VLAN configuration of design documentation and the VLAN configuration of interchanger are compared;If the VLAN of design documentation is configured It is identical as the VLAN configuration of actual device, then go to step 2;
Step 2, the VLAN of SCD is divided and is compared with the VLAN of interchanger division;If the VLAN of SCD is divided and interchanger VLAN division is identical, goes to step 3;If the VLAN division of SCD and the VLAN division of interchanger be not identical, 5 are gone to step;
Step 3, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD's The data traffic of the VLAN mouth of VLAN mouthfuls of data traffic and interchanger is inconsistent, executes step 4;
Step 4, if the data flow of the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD and pre-configuration The percentage that positive negative phase contrast reaches certain is measured, then SCD configuration error;
Step 5, the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is monitored in real time;If SCD's The flow that the VLAN of flow and interchanger that VLAN is divided is divided is inconsistent, executes step 6;
Step 6, whether the data traffic for judging the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger is zero, if SCD The data traffic of VLAN mouth and the data traffic of VLAN mouth of interchanger be zero, then optical fiber is obstructed;If the VLAN mouth of SCD The data traffic of the VLAN of data traffic and interchanger mouth is not zero, then interchanger configuration error.
2. a kind of method of determining substation network VLAN allocation problem according to claim 1, which is characterized in that step The monitoring method of the data traffic of the VLAN mouth of the 3 and SCD in step 5 is as follows:
Step S1 analyzes the VLAN connection that software parses SCD file by SCD;
Step S2 is sorted out according to the connection of the SCD file VLAN parsed;
Step S3, by all kinds of sizes for calculating separately theoretical message block and data flow;
Step S4 obtains the specific vlan traffic of SCD configuration.
3. a kind of method of determining substation network VLAN allocation problem according to claim 1, which is characterized in that step 3 and the interchanger in step 5 VLAN mouth data traffic monitoring method it is as follows:
Step N1 is communicated by snmp simple network management protocol with interchanger, and the VLAN configuration of interchanger is read;
Step N2 judges whether the connection with device mouth Yu interchanger mouth, if having device mouth and interchanger The connection of mouth executes step N4;If not having the connection of device mouth and interchanger mouth, step N3 is executed;
Step N3 is sorted out according to the connection of VLAN;
Step N4 calculates the size of theoretical message block and data flow;
Step N5 obtains the specific vlan traffic of interchanger configuration.
4. using a kind of system of any one of Claims 1 to 5 determining substation network VLAN allocation problem of method, It is characterized in that, comprising:
First comparison unit: for comparing the VLAN configuration of design documentation and the VLAN configuration of interchanger;
Second comparison unit: it divides for the VLAN to SCD and is compared with the VLAN of interchanger division;
SCD unit: it analyzes to obtain the VLAN division of SCD for carrying out SCD to design documentation;
SNMP unit: the VLAN for acquiring interchanger is communicated for carrying out by snmp simple network management protocol with interchanger It divides;
Monitoring unit: for monitoring the data traffic of the data traffic of the VLAN mouth of SCD and the VLAN mouth of interchanger in real time;
First comparison unit is compared to by the VLAN configuration of design documentation and the VLAN configuration of interchanger;Work as design documentation VLAN configuration it is identical with the VLAN configuration of interchanger when, second comparison unit is to the VLAN of SCD division and interchanger VLAN division compares;
When the VLAN of SCD division is identical as the VLAN division of interchanger, if the data traffic and interchanger of the VLAN mouth of SCD VLAN mouth data traffic it is inconsistent, and the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD with When the positive negative phase contrast of the data traffic of pre-configuration reaches certain percentage, then SCD configuration error;
When the VLAN of SCD, which is divided, divides not identical with the VLAN of interchanger, if the data traffic and exchange of the VLAN mouth of SCD The data traffic of the VLAN mouth of machine is inconsistent, then judging unit judges the data traffic of the VLAN mouth of SCD and the VLAN of interchanger Whether the data traffic of mouth is zero, if the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD is zero, Then optical fiber is obstructed;If the data traffic of the VLAN mouth of the data traffic and interchanger of the VLAN mouth of SCD is not zero, interchanger Configuration error.
5. a kind of system of determining substation network VLAN allocation problem according to claim 4, which is characterized in that described Monitoring unit includes:
For being sorted out according to the connection of SCD file VLAN parsed, by it is all kinds of calculate separately theoretical message block and The size of data flow, and obtain the SCD configuration unit of the specific vlan traffic of SCD configuration;
The connection of the SCD file VLAN is obtained by SCD unit resolves.
6. a kind of system of determining substation network VLAN allocation problem according to claim 6, which is characterized in that described SNMP unit is also used to be communicated by snmp simple network management protocol with interchanger, reads the VLAN configuration of interchanger;
The judging unit is also with the connection for judging whether to have had device mouth Yu interchanger mouth;
The monitoring unit includes switch monitors unit;
If the connection with device mouth and interchanger mouth, switch monitors unit is carried out according to the connection of VLAN Sort out and obtains the specific vlan traffic of interchanger configuration;
If not having the connection of device mouth and interchanger mouth, switch monitors unit is in the connection according to VLAN Sorted out and obtains interchanger configuration.
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