KR100353860B1 - Method of Configuration and interface information management for high speed router system - Google Patents

Abstract

The present invention relates to a method for managing the shape and interface information of a high-speed router system, to manage the system configuration information necessary for the operation of the router so that the operator does not re-enter the system information when re-initialization after system initialization, and the system shape and interface information It manages system operation efficiently and manages shape and interface information of high speed router system to process execution command such as search / change / add / delete system configuration information transmitted from operator terminal and manager system connected to system. In order to provide a method, a first step of receiving interface information of a main processor and a line processor upon request of a fast router system initialization from an operator to configure a system configuration management table and an interface management table; And performing a command such as searching / modifying / adding / deleting system shape and interface information from an operator terminal connected to the system while the high speed router system is operating, and matching data of the main processor and the line processor. , IP (Internet Protocol) router operation management field.

Description

Method of configuration and interface information management for high speed router system

The present invention relates to a method of managing the shape and interface information of a high speed router system and a computer-readable recording medium recording a program for realizing the method. Particularly, in order to provide a configuration management function of a high speed router system, By managing the interface information, it is possible to easily provide the operator with various resources, interface information and shape information provided by the system. The present invention relates to a recording medium which can be used.

The high-speed router system can be connected to various media such as Gigabit Ethernet, "OC-48" Sonnet, Asynchronous Transfer Mode (ATM), and routing protocols in IP (Internet Protocol) networks. It is a high-speed network equipment system of tens of Gbps (Giga bit per second) that provides network management function.

It can be installed in a backbone network, connected to an Internet Service Provider (ISP) network, an enterprise network, and a campus network, and connected to a gateway router in a server farm. In order to implement a high speed router that operates in a backbone network, not only functions such as speeding up data processing capability and providing quality of service (QoS) but also various and convenient operation maintenance functions and network management functions of the router system itself must be provided. .

Recently, with the increase of Internet users, new Internet-based applications such as web TV, video conferencing, and telemedicine are increasing, and the amount of traffic to be processed in the network is increasing with the emergence of new industries such as e-commerce. . In order to service these real-time and multimedia traffic according to user demands, it is necessary to increase the network capacity, increase the number of network equipment, or expand data processing capacity. Accordingly, network equipment, such as a router, which is a bottleneck due to the increase in traffic of the Internet, is drawing attention, and the data processing capability of routers installed at various points on the Internet is increasing.

For reference, the network management method will be described in more detail as follows.

First, with regard to the network management method, look at "configuration management method using communication network management in a distributed access node system" (Korean Patent Application No. "10-1996-0061304", 19996.12.03 applications) as follows.

This patent relates to a configuration management method of a distributed access node system (DANS). A configuration management method using communication network management in a distributed access node system is a method for configuring, performance, and failure of a distributed access node system. And managing connection information that can be established with other communication systems, including managing the distributed access node system and the interface between the common management information protocol (CMIP) and the distributed access node system. In DANS, the operator can operate the device remotely without having to go to the place where DANS is installed.

However, it is only here that the network can be managed in a distributed access node system in which the operator can configure and manage the configuration management functions provided through the distributed access node system that is geographically distributed and installed. It is not suggested how to manage the initialization and configuration information of the high-speed router system composed of processors and to handle the Simple Network Management Protocol (SNMP) commands required by the network management manager.

On the other hand, the paper published in relation to other methods of network management, "Web-based large scale internet network management system using Simple Network Management Protocol (SNMP) polling" (post "COMSW 2000", 2000.7.24 ~ 26) Looking at it as follows.

This paper describes the method and problem of managing large scale internet network based on router and switching hub in Dacom Boranet.It collects performance and fault data by using SNMP from network management equipment and network information through web browser. Send to management manager. The network management system is composed of service layer, analysis layer, and data collection layer. The network management target device provides information by polling the network management system for event occurrence periodically. In this paper, we describe the functions of each layer and explain the network management using SNMP polling.

However, here, SNMP polling is used to collect performance and fault data from network management target devices and to provide information to the Internet network management system through a web browser, thus enabling efficient information collection and management for large networks. The system functions of the module and the load for polling are distributed so that the function can be easily expanded for the increase of network equipment. It is not suggested to handle the SNMP command.

On the contrary, in the conventional router, much attention has been paid to routing protocol processing for data transmission without placing a great emphasis on the operation or maintenance of the router itself.

However, in the router equipment to be installed in the backbone network such as a high speed router, the operation or maintenance function of the router system must be provided to provide stable services in the network.

Therefore, the conventional router is not provided with a configuration management function for managing data for the router system, there is no separate function or weakly managed to manage the information about the system shape and interface, routing information required for the initialization of the router system By managing the related protocol or turning on / off the power when a problem occurs in the system, there is a problem that the operator needs to input a new information without storing and providing the information managed in the system.

The present invention has been made to solve the above problems, and manages the system configuration information necessary for the operation of the router so that the operator does not re-enter the system information when re-initialization after system initialization, and the system configuration and interface information It manages system operation efficiently and manages shape and interface information of high speed router system to process execution command such as search / change / add / delete system configuration information transmitted from operator terminal and manager system connected to system. It is an object of the present invention to provide a computer-readable recording medium storing a method and a program for realizing the method.

1 is an exemplary configuration diagram of a fast router system to which the present invention is applied.

2 is a configuration diagram of a shape and interface information management system of a fast router system according to the present invention;

3 is a flowchart illustrating an embodiment of a method of managing shape and interface information of a fast router system according to the present invention;

4A and 4B are detailed flowcharts of an embodiment of a method of managing shape and interface information of a fast router system according to the present invention;

* Explanation of symbols for the main parts of the drawings

21: main processor 22: Gigabit Ethernet line processor

23: POS line processor 24: ATM line processor

In order to achieve the above object, the present invention provides a system shape and interface information management method applied to a high speed router system, the system shape management by receiving interface information of a main processor and a line processor when a high speed router system initialization request is made from an operator. A first step of constructing the table and the interface management table; And performing a command such as searching / modifying / adding / deleting a system shape and interface information from an operator terminal connected to the system while operating the high speed router system to match data of the main processor and the line processor. Characterized in that made. In addition, the present invention, in the case of a failure during the operation of the high-speed router system, in order to re-initialize the high-speed router system, the information stored in the system configuration management table and interface management table configured at the initialization to retrieve the information from the main processor and the line processor It further comprises a third step of reconstructing the necessary information. In addition, the present invention, by receiving a Simple Network Management Protocol (SNMP) command for the configuration information of the main processor and line processor from the network management manager connected to the system during the high-speed router system operation according to the configuration information request / change command And a fourth step of retrieving or changing the contents of the object and transmitting the result.

The present invention also provides a first function of configuring a system configuration management table and an interface management table by receiving interface information of a main processor and a line processor when a fast router system initialization request from an operator is requested by a fast router system having a processor. ; And executing a command such as searching / modifying / adding / deleting system shape and interface information from an operator terminal connected to the system while the high-speed router system is operating to realize the second function of matching data of the main processor and the line processor. A computer readable recording medium having recorded thereon a program is provided. In addition, the present invention, in the case of a failure during the operation of the high-speed router system, in order to re-initialize the high-speed router system, the information stored in the system configuration management table and interface management table configured at the initialization to retrieve the information from the main processor and the line processor A computer readable recording medium having recorded thereon a program for further realizing a third function of reconstructing necessary information is provided. In addition, the present invention, by receiving a Simple Network Management Protocol (SNMP) command for the configuration information of the main processor and line processor from the network management manager connected to the system during the high-speed router system operation according to the configuration information request / change command A computer readable recording medium having recorded thereon a program for further realizing a fourth function of retrieving or changing the contents of an object and transmitting the result thereof.

That is, the present invention relates to a system shape and interface information management method for providing a configuration management function of a high speed router system installed and operated in a network providing an interface as described above. Main Processor) can manage the system efficiently by maintaining the system shape and interface information without re-entering the system information when reinitializing after system initialization.

In addition, the present invention matches the data between the main processor (Line Processor) and the main processor (Line Processor) by performing the change / add / delete / as well as the search for the system shape and interface information in the operator terminal connected to the system during the system operation By processing the SNMP (Simple Network Management Protocol) command required from the network management manager system via the Internet, the system can be reconfigured by retrieving or changing system configuration information from a remote location.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary configuration diagram of a fast router system to which the present invention is applied.

As shown in FIG. 1, the hardware of the fast router system includes a main processor, a switch fabric, and a line card for each interface. The main processor is duplexed, and an operator terminal for inputting / outputting system information is connected to a serial port. The switch fabric is structured to have a maximum 80G switching capacity and includes a switching controller, a synchronous clock generator, and a high speed signal input / output processor.

The high-speed LAN system is a high-speed LAN-based edge router system that provides Gigabit Ethernet, 2.5 Gbps Packet of SONET (OC-48c), and 622 Mbps ATM interface. These interfaces are supported. This system can add / remove line card, and it is easy to expand from small capacity to maximum capacity and economically accept subscribers, and it is possible to expand the system without interrupting service or reconfiguring existing modules during system reconfiguration. . Each line card has a maximum capacity of 2.5 Gbps, and up to 16 line cards are connected to the switch fabric to satisfy the switch's capacity of 80G, and consist of multiple ports according to the interface characteristics of each line card. do. Two ports per Gigabit Ethernet line card, one port per POS line card, and an ATM line card provide four ports of 622 Mbps. Communication between the main processor and each line card is provided by Inter-Processor Communication (IPC) over 100 Mbps Ethernet.

2 is a configuration diagram of a shape and interface information management system of a fast router system according to the present invention.

As shown in FIG. 2, a system configuration manager manages configuration information on resources constituting a system. The system configuration manager manages information on addition / deletion / change of resources during system initialization or system operation. In addition, the system configuration management unit is composed of a system initialization unit, configuration management unit, interface management unit, SNMP (Simple Network Management Protocol) network management agent matching unit.

Here, the router initialization unit transfers software to be operated according to the characteristics of the line processor from the flash memory of the main processor to the dynamic random access memory (DRAM) of each line processor when the router system is initialized. It collects and registers in the table of nonvolatile memory and manages it.

The shape manager performs a function of managing hardware shape information of the system, and the interface manager manages interface information for each line card.

In addition, the SNMP network management agent matching unit performs a function of processing a system configuration related information request and a change request from the network management manager.

The present invention relates to a method for managing system shape information and interface information. The system shape information managed by the present invention includes a description of a system hardware and an operating system (OS), a vendor ID, and a system reinitialization. After this, the elapsed time, administrator's information and ID, contact information, system name, system's physical location and services provided are managed. Here, the interface information includes information on the manufacturer of each interface, the interface type, the size of the maximum protocol data unit that can be transmitted and received at the maximum interface, the interface speed, the physical address information, the required interface and the current interface state, and the operating state of the interface. Information on elapsed time and the like at the time of entry is managed.

Therefore, the main processor manages all information about the system shape and the interface, and each line interface processor manages interface information for each line processor.

Upon receiving the request for output / add / change / delete the system configuration information from the configuration management operator of the main processor, it analyzes whether it is the operator's request for the shape-related information or the operator's request for the interface-related information. Perform the necessary tasks in the function to send the result to the operator, and in the case of interface related information, request the necessary information to the line processor for each interface, or perform an operation such as add / delete / change to transmit the result to the operator.

3 is a flowchart illustrating an embodiment of a method of managing shape and interface information of a fast router system according to the present invention.

As shown in FIG. 3, upon initial installation of the fast router system, the router initialization unit configures shape and interface information for router configuration management (301) and enters a message reception waiting state (302).

When the router system is powered on or off while the router system is in operation, or when the router system is reinstalled due to a system failure, the initialization of the configuration and interface information for managing the router configuration stored in the nonvolatile memory is performed. After performing (303), the system enters a message reception waiting state (302). In this way, the table can be configured without re-entering the configuration-related information changed during the operation.

When the initialization or reinitialization process of the fast router system is completed, a command is received from the router operator or the network management manager system and processed (304, 305), and the result is transmitted to the operator or the network management manager. That is, after receiving commands such as information search / modification / addition / deletion of the system shape and interface transmitted from the router operator and transmitting the result to the operator (306,307), the system enters a standby state for receiving a message (308) and the network management manager. Receives SNMP (GetRequest / GetNextRequest / GetBulkRequest) command to retrieve object for configuration information from system and sends search result to Response command, and receives SNMP SetRequest command to change object. After changing the contents of the object (309, 310) and enters the message receiving standby state (311).

4A and 4B are detailed flowcharts of an embodiment of a method of managing shape and interface information of a fast router system according to the present invention.

As shown in FIGS. 4A and 4B, upon receiving an initialization request of a system configuration management unit operating in a main processor from an operating system (OS) in order to manage the shape and interface information of the fast router system according to the present invention (401). In operation 402, the system configuration manager reads various tables managed by the main processor from the registry and performs initialization.

Subsequently, the hardware shape information of the main processor is received from the main hardware control unit (403) and registered in the system shape management table (404). Subsequently, in order to store the interface information for each line processor, requesting interface initialization information to the configuration management matching unit operating in the line processor (405) and receiving the initialization information (406), the interface information is written to the interface management table of the main processor. Register (407). Thus, if the information of the various tables for the configuration management is configured (step 408) to process the message received from the operator or network management manager.

On the other hand, upon receiving a block reinitialization request due to system reinitialization (409), the system configuration management table and the interface management table are searched (410, 411) and the interface initial information is transmitted to the configuration management matching unit operating in the line processor (412). ). After configuring the interface initial information at the configuration management matching unit (413), it receives a completion message (414) and waits to receive a command from the operator or network management manager (408).

Subsequently, upon receiving the system shape information search request from the operator (415), the contents of the operator command are analyzed (416), the corresponding contents are retrieved from the shape information table (417), and message formatting for outputting the corresponding shape information is performed (418). After outputting the corresponding shape information (419), it enters the message reception waiting state (408).

In addition, upon receiving a request for changing / adding / deleting the system shape information from the operator (420), the operator command contents are analyzed (421) to change / add / delete the contents of the corresponding shape information in the shape information table (422). In operation 408, the message is formatted in order to output a result of performing the change / add / delete of the shape information (423), and after the result is output (424).

On the other hand, when receiving a search request for the interface information from the operator (425) by analyzing the contents of the operator command (426) to retrieve the information from the interface information table (427), and to format the message to output the corresponding interface information ( 428. After outputting the result (429), the system enters a message reception waiting state (408).

In addition, upon receiving a request for change / addition / deletion of interface information from an operator (430), the command contents of the operator are analyzed (431) and a configuration management matching unit operating in the corresponding line processor is requested to change / add / delete the corresponding interface information. (432) Receive the corresponding execution result (433). At this time, if the result of changing / adding / deleting the interface information in the line processor is successful (434), the interface-related information is changed / added / deleted in the shape information table (435) and the changed / added / relevant information in the interface table is performed. After deletion (436), the result is formatted (437) and the result is output (438). If the result of the interface information change / add / delete in the line processor fails 434, the interface information change / add / delete failed message is formatted 439 and the result is output 440. Thereafter, the system enters a message reception waiting state (408).

On the other hand, upon receiving an SNMP command from the network management manager (441), the command contents of the network management manager are analyzed (442). If the type of command is a SetRequest command (443), the content of the set request object is analyzed (444), and then the corresponding object is retrieved (445), and the content of the object is requested by the network management manager. After making a change (446), the system enters a message reception waiting state (408). In addition, if the command type is a Get command such as an SNMP (GetRequest, GetNextRequest, GetBulkRequest) command rather than a configuration information change command (447), the content of the Get request object is analyzed (448) to search for the object. After the response (449), a response command for retrieving the object content is configured (450), and a response command is transmitted to the network management manager (451), and the error is when the type of the command is not a get command (447). The cause is configured (452) and an error message is sent to the network management manager (453). Thereafter, the system enters a message reception waiting state (408).

As described above, the present invention collects and stores information necessary for initializing the high speed router system from related functions in the main processor, and transfers the information stored in the main processor to each line processor in case of reinitialization. Provide information. In addition, during system operation, the controller receives a command from an operator or a network management manager to process related information, and the system configuration information required for router operation is a configuration information table for managing physical shapes of the system and an interface information table for providing a network interface. In case of interface information, the interface information provided by each line processor is collectively managed by the main processor to process commands received from an operator or a network management manager.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be apparent to those of ordinary knowledge.

As described above, the present invention manages the system configuration information necessary for the router operation in the main processor and, after system initialization, maintains the system shape and interface information without re-entering the system information upon reinitialization, thereby efficiently operating the system. It has the effect of making it work.

In addition, the present invention, in addition to searching the system configuration and interface information in the operator terminal connected to the system during the operation of the system can perform data matching between the main processor and the line processor by changing / adding / deleting, network management through the Internet By processing the SNMP commands required from the manager system, the system can be reconfigured by retrieving or changing system configuration information from a remote location.

Claims (10)

In the system configuration and interface information management method applied to the high speed router system, A first step of receiving interface information of a main processor and a line processor and configuring a system configuration management table and an interface management table when a fast router system initialization request is made from an operator; And A second step of matching the data of the main processor and the line processor by executing a command such as searching / modifying / adding / deleting system shape and interface information from an operator terminal connected to the system while the high-speed router system is operating; Shape and interface information management method of the high speed router system comprising a. The method of claim 1, In the event of a failure during the operation of the high speed router system, in order to reinitialize the high speed router system, information stored in the system configuration management table and the interface management table configured during the initialization may be retrieved to reconfigure necessary information in the main processor and the line processor. 3 steps Shape and interface information management method of the high speed router system further comprising. The method according to claim 1 or 2, Receive a Simple Network Management Protocol (SNMP) command for configuration information of the main processor and line processor from a network management manager connected to the system while the high speed router system is operating, and retrieve the contents of the object according to the configuration information request / change command. Fourth step of changing and sending the result Shape and interface information management method of the high speed router system further comprising. The method of claim 3, wherein Simple Network Management Protocol (SNMP) command processing for the configuration information of the main processor and line processor, A fifth step of analyzing the command contents of the network management manager and determining the type of the command according to the SNMP message request from the network management manager; As a result of the determination in the fifth step, in the case of the SetRequest command, after analyzing the content of the Set request object, the sixth object is searched for the object and changed to the content requested by the network management manager. step; And As a result of the determination in the fifth step, in the case of a Get command such as an SNMP (GetRequest, GetNextRequest, GetBulkRequest) command, the content of the Get request object is analyzed and the corresponding object is searched for, and then a response to the object content search ( Step 7 of configuring a response) command and transmitting a response command to the network management manager. Shape and interface information management method of the high speed router system comprising a. The method of claim 3, wherein The shape and interface information search process, A fifth step of analyzing contents of an operator command and retrieving corresponding contents from the system configuration management table and the interface management table according to the shape and interface information retrieval request from the operator; And A sixth step of formatting a message and outputting a formatted result message to output corresponding shape information and interface information among the searched contents; Shape and interface information management method of the high speed router system comprising a. The method of claim 3, wherein The shape information change / addition / deletion process, A fifth step of analyzing contents of an operator command and changing / adding / deleting contents of corresponding configuration information in the system configuration management table according to a request for changing / adding / deleting configuration information from the operator; And A sixth step of formatting a message and outputting a formatted result message to output a result of performing the change / addition / deletion of the corresponding shape information; Shape and interface information management method of the high speed router system comprising a. The method of claim 3, wherein The interface information changing / adding / deleting process, In response to a request for change / addition / deletion of interface information from an operator, the contents of the operator command are analyzed and a configuration management matching unit operating in the corresponding line processor is requested to change / add / delete the corresponding interface information and receive a result of the execution. A fifth step; Changing / adding / deleting interface related information in the system configuration management table, changing / adding / deleting related information in the interface management table, if the received interface information changing / adding / deleting result is successfully performed; A sixth step of formatting the result message and outputting the formatted result message; And A seventh step of formatting an interface related information change / add / delete failure message and outputting a formatted result message if the received interface information change / add / delete execution result is failed; Shape and interface information management method of the high speed router system comprising a. In a high speed router system with a processor, A first function of receiving interface information of a main processor and a line processor and configuring a system configuration management table and an interface management table when a fast router system initialization request is made from an operator; And A second function of matching data of the main processor and the line processor by executing a command such as searching / modifying / adding / deleting system shape and interface information from an operator terminal connected to the system while the high-speed router system is operating; A computer-readable recording medium having recorded thereon a program for realizing this. The method of claim 8, In the event of a failure during the operation of the high speed router system, in order to reinitialize the high speed router system, information stored in the system configuration management table and the interface management table configured during the initialization may be retrieved to reconfigure necessary information in the main processor and the line processor. 3 functions A computer-readable recording medium that records a program for further realization. The method according to claim 8 or 9, Receive a Simple Network Management Protocol (SNMP) command for configuration information of the main processor and the line processor from a network management manager connected to the system while the high speed router system is operating, and retrieve the contents of the object according to the configuration information request / change command. Fourth function to change and send the result A computer-readable recording medium that records a program for further realization.