KR100725783B1 - Home gateway configured managed agent by using snmp and configuration method of managed agent for home gateway by using snmp - Google Patents

Abstract

The present invention relates to a network management agent configuration method using SNMP in a home gateway system. The method for configuring a network management agent using (a) receiving an SNMP message from a network management device and receiving a management request for a network component, (b) analyzing the received SNMP message and managing a network component (C) analyzing the command syntax of the protocol of the SNMP message according to the management object; and (d) executing the operation according to each command according to the analyzed command syntax and displaying the execution result thereof. By generating a response message comprising the step of transmitting to the network management device, the network configuration In the home gateway system, the home gateway system uses the Internet standard network management protocol (SNMP) so that the operator does not move to the place where the device is actually installed, but manages the information remotely. It has the effect of efficiently measuring the configuration, status and statistical information of data flows or network components.

Description

How to configure network management agent using home management system and home gateway system using SSN in home gateway system

1 is a configuration diagram of a home network to which a network management agent using SNMP according to the present invention is applied;

2 is a structural diagram of a home gateway system to which a network management agent using SNMP according to the present invention is applied;

3 is a flowchart illustrating a process of configuring a network management agent using SNMP according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: home gateway system

110: network management agent module

120: access network Gigabit access module

130: home network matching module

140: switching module

200: MIB database

210: CONF management module

211: CONF-MIB (Configuration Management Information Base)

220: STAT management module

221: statistics management information base (STAT-MIB)

The present invention relates to a network management method, and more particularly, to a network management agent configuration method for efficiently managing a home gateway system equipped with a network management function using SNMP.

Since the conventional home gateway system does not perform a network management function but has an independent operation capability, various information about the home gateway system is measured through a command line input on a system where the corresponding function is performed. However, when viewing various information on the home gateway system only on the corresponding system, it is difficult to grasp the flow or configuration in the overall network environment.

Therefore, without actually moving the operator to the place where the home gateway system is installed, the configuration of sessions connected to the home gateway system and the home gateway system using a simple network management protocol (hereinafter referred to as Simple Network Management Protocol (SNMP)), There is a need for a network management agent configuration method for configuring a network management agent capable of state and statistics management.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the prior art, an object of the present invention is to provide a home gateway system and SNMP that can manage the configuration, status and statistics of sessions connected to the home gateway system at a remote location. The present invention provides a method for configuring a network management agent.

In detail, the present invention matches a home network with an access network, a home gateway installed in a home to deliver external multimedia services to information home appliances in the home, and to provide a communication means between various home appliances in the home. By configuring the network management agent for configuration, status and statistics management of the home gateway system and sessions connected to the home gateway system on the home network through the system, the SNMP is remotely located without the operator moving to the place where the home gateway system is actually installed. It is to be managed by using.

The network management agent of the home gateway system according to the present invention is a home gateway system connected through an access network gigabit interface, an SNMP message for configuration information, status information, home network information, and IP packet statistics information of sessions connected to the home gateway system. The protocol analysis module interprets / determines and controls the corresponding SNMP network management command according to the predefined MIB for each group, or outputs the configuration and status information as a message and sends them to the network management device. Operators can efficiently manage configuration information, status information, home network information, and IP packet statistics of sessions connected to the same home gateway system at a remote location.

In the home gateway system of the present invention for achieving the above object, a method for configuring a network management agent using SNMP includes (a) receiving an SNMP message from a network management device and receiving a management request for a network component; b) analyzing the received SNMP message to determine a management target for a network component, (c) analyzing a command syntax of an SNMP message protocol according to the management target, and (d) analyzing the command syntax After executing the operation according to each command according to the characterized in that it comprises the step of generating the execution result as an SNMP response message and transmitting to the network management device.

First, an outline of network management to be realized by the present invention will be described.

Network management refers to remote control of several arbitrary devices, and this function requires mutual data transfer protocol. One of the international standards for this is SNMP. Since SNMP can be understood by anyone of ordinary skill in the art to which the present invention pertains, its description is omitted.

In the case of network management, in the case of configuration management, the MIB for the system group, board group, port group, path group, and session group is provided in the CONF-MIB. It means to set in advance and execute the function of transmitting or modifying the corresponding information according to the request of the network administrator.

In the case of statistics management, it refers to a function of transmitting the status information in the MIB according to the request of the network manager.In the case of statistics management, the number of requests requested or discarded by the home gateway system, and input and output through the corresponding interface. It stores the number of packets and the packets transmitted or discarded through each connection session in STAT-MIB and sends the statistical information as requested by the network manager.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings for a method for configuring a network management agent using SNMP of the present invention.

1 is a block diagram of a home network to which a method for configuring a network management agent using SNMP is applied in a home gateway system according to the present invention.

The home gateway system 100 illustrated in FIG. 1 includes a network management agent 110, an access network gigabit internet access module 120, a home network matching module 130, and a switching module 140. An SNMP agent implementing the method for configuring a network management agent according to the present invention is located in the network management agent 110.

2 shows a network management agent software structure diagram of a home gateway system to which a method for configuring a network management agent using SNMP according to the present invention is applied.

The network management agent consists of an SNMP agent consisting of a protocol analysis module, a MIB processing module, a MIB management module, and a MIB database. The protocol analysis module consists of a BER module that decrypts or encrypts a protocol of an SNMP message, and an ASN module that creates a protocol. The MIB management module is composed of a CONF management module storing each management object of the configuration information of the home gateway system in the CONF-MIB and a STAT management module storing each management object of the statistical information of the home gateway system in the STAT-MIB. .

The network management agent module parses the MIBs of the corresponding node at system startup and stores the schema for the MIB schema. In addition, information about each parsed MIB is read through the kernel, and a value thereof is stored in the MIB database 200. The MIB database 200 is located in the home gateway system 100 and includes a CONF-MIB 211 for storing system configuration information and a STAT-MIB 221 for storing statistical information.

The Basic Encoding Rule (BER) module 230 and the Abstract Syntax Notation (ASN) module 240 decode and analyze the SNMP Protocol Data Unit (PDU) received from the management system. Then, the related variable in the PDU is interpreted, and the MIB information of the management object corresponding to the variable is obtained from the MIB database 200 stored by the CONF management module 210 and the STAT management module 220 to generate a request. The response message is generated and transmitted to the management system.

Now, the network management flow according to the present invention under the above configuration will be described in detail.

3 is a flowchart illustrating a method for configuring a network management agent using SNMP according to the present invention.

First, when receiving an SNMP message (300), the received message is a protocol analysis. SNMP PDUs consist of service identifiers, communities, and variables. The service identifier distinguishes whether the request retrieves a value (get, get Next) or sets a value (set). Community means access rights and access of MIB information is restricted according to this community. And the variable means the variable name of the actual MIB information and consists of a value called OID (Object Identifier). This variable determines management targets and management information.

After analyzing the SNMP PDU, the management target is determined by the variable name in the PDU. Each management object for the configuration information of the home gateway system is stored in the CONF-MIB 211 by the CONF management module 210, and each management object for the statistical information of the home gateway system is stored by the STAT management module 220. It is stored in the STAT-MIB 221.

Looking at each step in detail, after receiving the SNMP message and analyzing the message (300) for configuration management (310), whether it is for statistical management (400) to operate according to each function. If the information analyzed from the received input message is interpreted as configuration management information (310), first search the MIB database stored in advance by the MIB management module and then determine whether the system configuration management (320), the system configuration management Is interpreted and analyzed (321) to determine if the inputted command is a get or get Next command, retrieve MIB data if correct, and set the corresponding MIB data if determined by the set command. Perform 322. After executing the operation according to each command, the corresponding SNMP response message is generated (777), the message is transmitted to the management apparatus, and the program is terminated (999).

If it is determined that the system configuration management is not determined whether the board (board) configuration management (330), if it is determined that the board (board) configuration management, the command syntax is interpreted and analyzed (331), the input command is get or get If it is determined that the command is Next, the MIB data is searched if it is correct, and if it is determined by the set command, a change operation is performed to set the corresponding MIB data (332). After executing the operation according to each command, the corresponding SNMP response message is generated (777), the message is transmitted to the management apparatus, and the program is terminated (999).

If it is determined not to be system configuration management or board configuration management, it is determined whether the port configuration management is performed (340), and if it is determined that the port configuration management is performed, the command syntax is interpreted and analyzed (341). Determines whether is a get or get Next command, retrieves MIB data if it is correct, and if it is determined by a set command, changes are performed to set corresponding MIB data (342). After executing the operation according to each command, the corresponding SNMP response message is generated (777), the corresponding SNMP response message is transmitted to the management device, and the program is terminated (999).

If it is determined that system configuration management, board configuration management, and port configuration management are not the case, it is determined whether path configuration management is performed (350), and if it is determined that path configuration management is performed, the command syntax is interpreted and analyzed (351). In step 352, the command determines whether the command is a get or get Next command, searches for MIB data if it is correct, and sets the corresponding MIB data if it is determined by the set command (352). After executing the operation according to each command, the corresponding SNMP response message is generated (777), the corresponding SNMP response message is transmitted to the management device, and the program is terminated (999).

In the case of system configuration management, board configuration management, port configuration management, path configuration management, it is determined whether session configuration management is performed (360), and if it is determined that session configuration management is performed, the command syntax is interpreted and analyzed ( 361) It determines whether the input command is a get or get Next command, retrieves MIB data if it is correct, and performs a change operation to set the corresponding MIB data if it is determined by the set command (362). After executing the operation according to each command, the corresponding SNMP response message is generated (777), the corresponding SNMP response message is transmitted to the management device, and the program is terminated (999).

If it is neither configuration management 310 nor statistics management 400, a corresponding message is generated (777), the message is transmitted to the management apparatus and the program ends (999).

Also, in case of configuration management, even if it is not system configuration management, board configuration management, port configuration management, path configuration management, session configuration management, it generates a corresponding SNMP response message and sends this message to the management device and terminates the program. .

If it is determined that the received information is statistical information (400), first, the MIB database 200 stored by the STAT management module 220 is searched. Examples of statistical information include home network interface information and IP packet statistical information. When information is requested from the management system, the corresponding kernel is read and responded in real time.

If the required statistical information is the home network interface information 410, the home gateway system searches for the interface information implemented and stored in the network management method according to the present invention for management purposes (411), and generates an appropriate SNMP response message. (777), this message is sent to the management apparatus and the program ends (999).

If it is not the home network interface information, it is searched whether it is IP packet statistics information (420). In the case of the IP packet statistics information, the IP kernel is searched (421) to generate an appropriate SNMP response message (777), and then the message is sent to the management apparatus and the program is terminated (999).

If it is determined that the last received information is not statistical information, it is checked whether it is interface management information (401). In the case of interface information, after retrieving the interface configuration information (402), an appropriate SNMP response message is generated (777) and then sent to the management device (999). Since the message appears, an appropriate SNMP response message is generated (777), then the message is sent to the management apparatus and the program is terminated (999).

The method for configuring a network management agent using SNMP according to the present invention may also be embodied as computer readable codes on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, hard disk, floppy disk, flash memory, optical data storage device, and also carrier wave (e.g. transmission over the Internet). It is also included to be implemented in the form of. The computer readable recording medium can also be distributed over computer systems connected over a computer network so that the computer readable code is stored and executed in a distributed fashion. Also, the font ROM data structure according to the present invention can be read by a computer on a recording medium such as a computer readable ROM, RAM, CD-ROM, magnetic tape, hard disk, floppy disk, flash memory, optical data storage device, and the like. It can be implemented as code.

The method for configuring a network management agent using SNMP according to the present invention described above is not limited to the above-described embodiment, and various modifications can be made without departing from the technical spirit of the present invention.

As described above, the method for configuring a network management agent using SNMP according to the present invention uses the Internet standard network management protocol (SNMP) to provide information related to the operation of a network component such as a home network established through a home gateway installed in a home. By using it, the operator does not move to the place where the device is actually installed, but manages it remotely, so that the data flow, configuration, status, and statistical management information can be efficiently measured in the home network using the home gateway.

Claims (15)

(a) receiving an SNMP message from a network management device and receiving a management request for a network component; (b) analyzing the received SNMP message to determine whether configuration management or statistical management is performed on a network component; (c) If the determination result of the step (b) is configuration management, the MIB for the network component is set in advance, the stored MIB database is searched and one of the network components is selected, and one of the network components is selected. Analyzing the command syntax of the protocol of the analyzed SNMP message; And (d) executing an operation according to each command according to the analyzed command syntax and generating the execution result as an SNMP response message and transmitting it to the network management apparatus; Method for configuring a network management agent using SNMP in a home gateway system comprising a. delete delete The method of claim 1, wherein step (d) Determining whether the analyzed command syntax is a set command or a get / get next command; a set command, processing a change operation to set the MIB data, and then transmitting the processing result to a network management apparatus; And and if the command is a get / get next command, retrieving the MIB data and transmitting the corresponding information to a network management device. The method of claim 3, wherein selecting one of the network components comprises: A method for configuring a network management agent using SNMP, which is selected in the following order: system configuration, board configuration, port configuration, path configuration, session configuration. The method of claim 1, wherein if the determination result of step (b) is statistical management of network elements, A method for configuring a network management agent using SNMP, characterized in that it is determined whether the required statistical information is home network interface management information or IP packet statistics information. The method of claim 6, As a result of the determination, if the required statistical information is home network interface management information, step (d) retrieves home network interface configuration information, and then generates an appropriate SNMP response message and transmits the generated SNMP response message to the network management apparatus. How to configure network management agent using SNMP. The method of claim 6, As a result of the determination, if the required statistical information is IP packet statistical information, the step (d) searches for the IP kernel, generates an appropriate SNMP response message, and transmits it to the network management apparatus. How to configure a management agent. The method of claim 1, Method for configuring a network management agent using SNMP, characterized in that it is determined whether the determination result of step (b) is the interface management information if not the configuration management, statistical management. The method of claim 7, wherein If the management result is the interface management information, the step (d) retrieves the interface configuration information, generates an SNMP response message, and transmits the generated network management agent to the network management device. . An access network gigabit internet access module for connecting to the internet network; At the request of the network management device, the SNMP agent providing MIB information of the management target and the MIBs of the corresponding node are parsed and the schema thereof is stored in the MIB schema, and the information about each parsed MIB is read through the kernel. A network management agent module comprising a MIB database that stores information on the network information before a request from the network management apparatus; A switching module for switching to a corresponding network component at the request of the network management apparatus; And A home network matching module for matching the network components, The SNMP agent is a protocol analysis module for decoding and analyzing an SNMP protocol data unit (PDU), and a network that generates a request by bringing MIB information corresponding to a network component according to a related variable in the protocol from a MIB database. MIB processing module for sending a response to the management device, MIB management module for storing information about each object of the configuration information of the home gateway system in the MIB database Home gateway system, characterized in that consisting of. The method of claim 11, wherein the MIB database, A home gateway system comprising a CONF-MIB storing system configuration information and a STAT-MIB storing statistical information. delete The method of claim 11, wherein the protocol analysis module, A BER module for decrypting or encrypting the protocol of the SNMP message; And A home gateway system, comprising: an ASN module for creating protocols. The method of claim 11, wherein the MIB management module, Each management object for the configuration information of the home gateway system comprises a CONF management module for storing in the CONF-MIB and a STAT management module for storing each management object for the statistical information of the home gateway system in the STAT-MIB. Gateway system.

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