CN113014517A - Switchboard forwarding information real-time comparison method based on CSD file - Google Patents
Switchboard forwarding information real-time comparison method based on CSD file Download PDFInfo
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- CN113014517A CN113014517A CN202110201480.8A CN202110201480A CN113014517A CN 113014517 A CN113014517 A CN 113014517A CN 202110201480 A CN202110201480 A CN 202110201480A CN 113014517 A CN113014517 A CN 113014517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a switch forwarding information real-time comparison method based on CSD files, which comprises the steps of importing and analyzing SCD files to obtain total station switch equipment information; based on MMS communication, obtaining forwarding table information logic node information in real time; importing and analyzing the CSD file to obtain switch equipment forwarding configuration information, wherein the switch equipment forwarding configuration information comprises switch forwarding information table sub-elements; carrying out normative verification on the CSD file, and comparing a switch equipment port forwarding configuration list with sub-elements of a switch forwarding information list; and comparing the forwarding table information logic node information with the forwarding configuration list of the switch equipment port. The invention can quickly and accurately complete the real-time comparison of the forwarding configuration of the switch, greatly improves the checking work efficiency of the configuration of the switch, and has positive effect on the operation and maintenance work of the intelligent substation.
Description
Technical Field
The invention belongs to the field of intelligent switches in the power industry, and particularly relates to a switch forwarding information real-time comparison method based on CSD files.
Background
The Ethernet switch is used as an infrastructure communication facility of the intelligent substation, and plays an important supporting role in safe, stable and reliable operation of the intelligent substation. In recent years, with the advance of intelligent substation construction, certain limitations are gradually highlighted in the application process of the traditional power industry Ethernet switch in the intelligent substation, and due to the fact that the number of the switches forming the communication network of the intelligent substation is large, the workload of repeated configuration is large, and the configuration is difficult to check after being completed.
Compared with the traditional transformer substation, the cable is replaced by the optical cable for the intelligent transformer substation, and the secondary circuit becomes invisible and invisible. The secondary system and loop information of the intelligent substation are integrated in a unique configuration file (SCD) of the intelligent substation total station, the operation and maintenance work of the intelligent substation is highly dependent on a secondary equipment manufacturer, and operation and maintenance personnel lack effective means to check the correctness of the forwarding configuration of the switch, so that the work efficiency of the operation and maintenance personnel is greatly reduced.
The current forwarding configuration of the switch is obtained in real time through an MMS communication network, the forwarding information of each port of the switch is compared in real time by taking a standard CSD configuration file as a reference, and the APPID, the MAC address and the VLAN ID of the forwarding information are verified, so that the forwarding configuration of the switch is ensured to be in accordance with expectations, the problem that the forwarding configuration of the switch cannot be monitored in the debugging and operation and maintenance processes of the existing intelligent substation is solved, the situations of switch configuration errors, abnormal operation and the like are reduced, the workload of manual checking of operation and maintenance personnel is greatly reduced, and the working difficulty is reduced.
Disclosure of Invention
The invention aims to provide a switch forwarding information real-time comparison method based on a CSD file aiming at the problems in the prior art so as to overcome the defects in the prior art, and the switch forwarding information real-time comparison method based on the CSD file can accurately and quickly realize the comparison of the switch forwarding information based on the CSD file.
In order to achieve the purpose, the invention adopts the following technical scheme:
the switch forwarding information real-time comparison method based on the CSD file comprises the following steps:
step 1, importing and analyzing an SCD file to obtain equipment information of a total station switch;
step 2, based on MMS communication, obtaining forwarding table information logic node information in real time;
step 3, importing and analyzing the CSD file, obtaining the forwarding configuration information of the switch equipment,
the switch equipment forwarding configuration information comprises a switch element, a port element, an event output sub-element, an analog output sub-element, a switch configuration parameter element, a switch forwarding information table element, and a switch forwarding information table sub-element,
the switch forwarding information table sub-element comprises an MAC address element, a GOOSE information unique identifier element, a serial number element of the located virtual local area network and an output port serial number element;
the switch equipment port forwarding configuration list comprises an MAC address attribute, a GOOSE information unique identifier attribute, a serial number attribute of a local virtual local area network and an output port serial number attribute which are obtained according to the address elements contained in the event output sub-element and the analog quantity output sub-element;
step 4, carrying out normative verification on the CSD file, comparing the port forwarding configuration list of the switch equipment with sub-elements of a switch forwarding information list, and giving an alarm signal if the port forwarding configuration list and the sub-elements are inconsistent;
and 5, comparing the forwarding table information logic node information with the forwarding configuration list of the switch equipment port, and giving an alarm signal if the forwarding table information logic node information is inconsistent with the forwarding configuration list of the switch equipment port.
The address elements comprise attribute elements with the type of physical address, attribute elements with the type of local area network identification, attribute elements with the type of local area network priority and attribute elements with the type of GOOSE identification,
the MAC address attribute is obtained by inducing attribute elements of the physical address of each address element; the unique identifier attribute of the GOOSE information is obtained by inducing attribute elements of local area network identifiers; the serial number attribute of the located virtual local area network is obtained by summarizing attribute elements of GOOSE identification; the output port number attribute is obtained by generalizing the port elements having the same address element.
As described above, in step 4, comparing the switch device port forwarding configuration list with the switch forwarding information table sub-elements includes the following steps:
and comparing whether the MAC address attribute is consistent with the MAC address element, whether the GOOSE information unique identifier attribute is consistent with the GOOSE information unique identifier element, whether the serial number attribute of the positioned virtual local area network is consistent with the serial number element of the positioned virtual local area network, and whether the serial number attribute of the output port is consistent with the serial number element of the output port.
As described above in step 2, the forwarding table information logical node information includes: static multicast group number, multicast MAC address, virtual local area network number, multicast APPID value, and forwarding port list.
As described above, in step 5, comparing the forwarding table information logical node information with the switch device port forwarding configuration list includes the following steps:
and comparing whether the serial number attribute of the output port is consistent with the forwarding port list, whether the MAC address attribute is consistent with the multicast MAC address, whether the serial number attribute of the virtual local area network is consistent with the serial number of the virtual local area network, and whether the unique identifier attribute of the GOOSE information is consistent with the multicast APPID value.
Compared with the prior art, the invention has the following advantages:
1. the method acquires the forwarding table information logic node information in real time by using MMS communication, and compares the forwarding table information logic node information with a switch equipment port forwarding configuration list acquired by a CSD file to monitor the correctness of the switch forwarding configuration information in real time.
2. Configuration information is forwarded through the verification switch, complex work of switch configuration verification is avoided, conditions such as switch configuration errors and abnormal operation can be found in time, work efficiency is improved, and work difficulty of field personnel is greatly reduced.
Detailed Description
The present invention will be described in further detail with reference to examples for facilitating understanding and practice of the invention by those of ordinary skill in the art, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to be limiting.
The switch forwarding information real-time comparison method based on the CSD file comprises the following steps:
step 1, importing and analyzing an SCD file to obtain total station switch equipment information.
In the step 1, the SCD file is an SCD file actually operated by the current transformer substation;
the total-station switch equipment information includes: switch device name, switch device description, port number, switch device IP.
And 2, acquiring forwarding table information logic node information (SFDB) in real time based on MMS communication.
The step 2 comprises the following steps:
step 2.1, establishing MMS communication based on the IP of the switch equipment obtained in the step 1;
step 2.2, obtaining forwarding table information logic node information (SFDB) in real time, comprising: static multicast group number (FDBInd), multicast MAC address (McastAddr), virtual local area network number (vlan id), multicast APPID value (APPID), forwarding port list (PortBits).
And 2.3, resolving the meaning of the forwarding port list from the forwarding port list (PortBs), and distributing the information of the logic nodes of the forwarding table information of each group to the corresponding forwarding ports.
And 3, importing and analyzing the CSD file to acquire forwarding configuration information of the switch equipment.
In step 3, the name of the switch equipment obtained in step 1 is matched in the CSD file, so that forwarding configuration information of the switch equipment is obtained;
the switch device forwarding configuration information includes: switch element (Switch), Port element (Port), event output element (goose out), event output sub-element, analog output element (SVOUT), analog output sub-element, Switch configuration element (SwConfig), Switch configuration parameter element (SwitchPar), Switch forwarding information table element (fibbonfiglist), and Switch forwarding information table sub-element.
The switch forwarding information table sub-element comprises a MAC address element (dmac), a GOOSE information unique identifier element (apid), a virtual local area network number element (vlan id) where the switch forwarding information table is located, and an output port number element (portlet).
The event output sub-element includes: event control block path element (GOCBref), event control block parameter configuration element (GSEControl), connection point parameter configuration element (ConnectedAP), event element (GSE), and Address element (Address).
The analog quantity output sub-elements comprise: an analog control block path element (SMVCBref), an analog control block parameter configuration element (sampledvalecontrol), an analog parameter configuration element (SmvOpts), a connection point parameter configuration element (connectiedeap), an analog element (SMV), and an Address element (Address).
The event output sub-element and the analog output sub-element both comprise address elements.
The Address elements comprise attribute (P) elements with the type of physical Address (MAC-Address), attribute elements with the type of local area network identification (VLAN-ID), attribute elements with the type of local area network PRIORITY (VLAN-PRIORITY) and attribute elements with the type of GOOSE identification (APPID).
The port forwarding configuration list of the switch equipment comprises an MAC address attribute, a GOOSE information unique identifier attribute, a serial number attribute of a local virtual area network and an output port serial number attribute.
The MAC address attribute is obtained by inducing attribute elements of the physical address of each address element; the unique identifier attribute of the GOOSE information is obtained by inducing attribute elements of local area network identifiers; the serial number attribute of the located virtual local area network is obtained by summarizing attribute elements of GOOSE identification; the output Port number attribute is derived by generalizing Port elements (ports) that have the same address element.
And 4, carrying out normative verification on the CSD file, comparing the switch equipment port forwarding configuration list with the sub-elements of the switch forwarding information table, and giving an alarm signal if the sub-elements are not consistent.
In step 4, the normative verification comprises the following steps:
step 4.1, checking xml grammar and semantics of the CSD file, wherein the xml grammar and semantics checking mainly checks whether the writing of the CSD file conforms to the xml language specification;
step 4.2, checking consistency of forwarding configuration information of the CSD file;
in step 4.2, the consistency check of the forwarding configuration information of the CSD file is to compare the port forwarding configuration list of the switch device, which is sorted and summarized according to the event output element, the event output sub-element, the analog output element and the analog output sub-element in step 3, with the sub-elements of the switch forwarding information table, which are obtained according to the nodes under the switch configuration element (SwConfig), the switch configuration parameter element (SwitchPar) and the switch forwarding information table element (fibConfigList), in step 3, to check whether the MAC address attribute is consistent with the MAC address element (dmac) in the two, whether the unique identifier attribute of the GOOSE information is consistent with the unique identifier element (appid) of the GOOSE information, whether the serial number attribute of the virtual local area network is consistent with the serial number element (vlan id) of the virtual local area network, whether the serial number attribute of the output port is consistent with the serial number element (portlet), and if not, giving an alarm signal.
And step 5, comparing the forwarding configuration information of the CSD with the forwarding configuration information of the MMS to further check whether the forwarding configuration information is consistent, and if not, giving out alarm information.
In step 5, the forwarding configuration information of the MMS is the logical node information of the forwarding table information summarized in step 2; and the forwarding configuration information of the CSD is the switch equipment port forwarding configuration list sorted out in the step 3.
The specific comparison includes comparing whether the output port number attribute is consistent with a forwarding port list (PortBits), whether the MAC address attribute is consistent with a multicast MAC address (McastAddr), whether the number attribute of the virtual local area network where the virtual local area network is located is consistent with a virtual local area network number (vlan id), and whether the GOOSE information unique identifier attribute is consistent with a multicast APPID value (APPID).
Further, the forwarding configuration information of the CSD is a theoretical value, the forwarding configuration information of the MMS is an actual value, and whether the forwarding configuration of the switch meets expectations or not is verified by comparing the actual value with the theoretical value.
It should be emphasized that the examples set forth herein are illustrative and not restrictive, and thus the present invention includes, but is not limited to, those examples recited in the detailed description, as well as other embodiments that can be derived from the teachings of the present invention by those skilled in the art and that are within the scope of the present invention.
Claims (5)
1. The switch forwarding information real-time comparison method based on the CSD file is characterized by comprising the following steps of:
step 1, importing and analyzing an SCD file to obtain equipment information of a total station switch;
step 2, based on MMS communication, obtaining forwarding table information logic node information in real time;
step 3, importing and analyzing the CSD file, obtaining the forwarding configuration information of the switch equipment,
the switch device forwarding configuration information includes a switch element, a port element, an event output sub-element, an analog output sub-element, a switch configuration parameter element, a switch forwarding information table element, and a switch forwarding information table sub-element,
the switch forwarding information table sub-element comprises an MAC address element, a GOOSE information unique identifier element, a serial number element of the located virtual local area network and an output port serial number element;
the switch equipment port forwarding configuration list comprises an MAC address attribute, a GOOSE information unique identifier attribute, a serial number attribute of a local virtual local area network and an output port serial number attribute which are obtained according to the address elements contained in the event output sub-element and the analog quantity output sub-element;
step 4, carrying out normative verification on the CSD file, comparing the port forwarding configuration list of the switch equipment with sub-elements of a switch forwarding information list, and giving an alarm signal if the port forwarding configuration list and the sub-elements are inconsistent;
and 5, comparing the forwarding table information logic node information with the forwarding configuration list of the switch equipment port, and giving an alarm signal if the forwarding table information logic node information is inconsistent with the forwarding configuration list of the switch equipment port.
2. The method of claim 1, wherein the address elements comprise an attribute element with a type of physical address, an attribute element with a type of LAN ID, an attribute element with a type of LAN priority, and an attribute element with a type of GOOSE ID,
the MAC address attribute is obtained by inducing attribute elements of the physical address of each address element; the unique identifier attribute of the GOOSE information is obtained by inducing attribute elements of local area network identifiers; the serial number attribute of the located virtual local area network is obtained by summarizing attribute elements of GOOSE identification; the output port number attribute is obtained by generalizing the port elements having the same address element.
3. The method according to claim 2, wherein the step 4 of comparing the switch device port forwarding configuration list with the switch forwarding information table sub-elements comprises the steps of:
and comparing whether the MAC address attribute is consistent with the MAC address element, whether the GOOSE information unique identifier attribute is consistent with the GOOSE information unique identifier element, whether the serial number attribute of the positioned virtual local area network is consistent with the serial number element of the positioned virtual local area network, and whether the serial number attribute of the output port is consistent with the serial number element of the output port.
4. The method for comparing switch forwarding information in real time according to claim 3, wherein in step 2, the forwarding table information logic node information includes: static multicast group number, multicast MAC address, virtual local area network number, multicast APPID value, and forwarding port list.
5. The method for comparing switch forwarding information based on CSD files in real time as claimed in claim 4, wherein in step 5, comparing the forwarding table information logical node information with the switch device port forwarding configuration list comprises the following steps:
and comparing whether the serial number attribute of the output port is consistent with the forwarding port list, whether the MAC address attribute is consistent with the multicast MAC address, whether the serial number attribute of the virtual local area network is consistent with the serial number of the virtual local area network, and whether the unique identifier attribute of the GOOSE information is consistent with the multicast APPID value.
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