JP2000090028A - Network managing device and computer readble recording medium which records program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the efficiency of the managing work of a network and to improve the reliability of the network. SOLUTION: In a network managing device 1, state information showing the operation states of constitution devices 2 and 3 is received from the constitution devices 2 and 3 which are the constitution elements of a network and which operate based on setting information that are individually set. State storage means 5 and 6 which previously store the operation states of the constitution devices 2 and 3, which become the collection conditions of setting information, a setting information storage means 7 reading setting information on the constitution devices 2 and 3 when state information received from the constitution devices 2 and 3 are matched with the operation states stored in the state storage means 5 and 6 and a storage means 8 storing setting information which is read by the setting information storage means 7 are installed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a network management device for automatically collecting various information in a device constituting a network, and a computer-readable recording medium recorded in a program.

[0002]

2. Description of the Related Art Generally, as a network management protocol for managing a TCP / IP network,
SNMP (Simple Network Management Protocol: Simple Network Management Protocol) is used.

[0003] The SNMP is a protocol suitable for centralized management of a horizontally distributed network such as the Internet, for example. Network management by SNMP is performed by an SNMP manager on the managing side and an SN on the managed side.
And an MP agent.

[0004] The SNMP manager is a network management system for monitoring / controlling the network, and a predetermined server or the like is in charge of its operation. On the other hand, the SNMP agent is a target device monitored on the network, and corresponds to, for example, a router or a hub that relays data transmitted from a transmission source to a reception destination.

[0005] In the SNMP agent, an IP address and information for routing are set as setting information. The setting information after setting is stored in a file format in the SNMP agent.
The contents may be changed based on the state of the NMP agent. In some cases, the user manually changes the setting information.

Therefore, the network administrator collects the setting information stored in this file format for network status judgment and maintenance / inspection work, and makes another backup of the collected setting information. It may be created on a storage medium. Conventionally, the collection of the setting information and the creation of the backup file have been manually performed by an administrator or the like.

[0007]

However, as described above, manually collecting the setting information and creating the backup file from each component of the network increases the burden on the administrator, and increases the burden on the management work. It is difficult to improve efficiency.

For example, when collecting management information of each component device, it is necessary for an administrator to go around each component device and manually collect internal setting information. In addition, when setting information of each constituent device is manually collected and a backup is created, it takes time from the start to the end of the backup of the setting information. For example, at the time of creating this backup, after collecting the setting information of a certain component device, the setting information of this device is changed, and when the backup is completed thereafter, the actual setting information and the setting information of the created backup are set. Does not match, and a mismatch occurs.

[0009] For this reason, it is difficult to perform high-precision recovery even if a failure is recovered using a backup, and the reliability of the network is reduced. The present invention has been made in view of the above situation, and has a network management device and a program that can automatically collect setting information when specific information is received from a network device or at a predetermined timing. It is an object of the present invention to provide a computer-readable recording medium on which is recorded.

[0010]

In order to achieve the above object, the present invention takes the following measures. A first aspect of the present invention is a network management device that receives status information indicating an operation state of a component device from a component device that is a component of a network and operates based on individually set configuration information. State storage means for pre-storing the operation state of the component device serving as a collection condition, and setting for reading out the setting information of the component device when the status information received from the component device matches the operation state stored in the state storage means The network management device includes an information storage unit and a storage unit that stores the setting information read by the setting information storage unit.

In the network management device according to the first aspect of the invention, the setting information storage means automatically collects the setting information when the constituent device performs a predetermined operation. Therefore, even if there are a plurality of constituent devices, the efficiency of the setting information management work can be improved, and the burden on the administrator can be reduced.

Further, for example, when setting information is changed in a constituent device, the setting information is automatically collected, so that the consistency between the current setting information and the collected setting information can be maintained with high accuracy. Therefore, the reliability of the network can be improved.

According to a second aspect of the present invention, in the network management apparatus according to the first aspect, a mode storage means for storing in advance a designation of a collection mode or a restoration mode, and a designation of the mode storage means being a restoration mode, which is received from a constituent device. When the state information matches the operation state stored in the state storage means, a setting information restoring means for writing the setting information of the storage means to the constituent device is added. Is a network management device for reading out setting information of a component device when the status information received from the component device and the operation status stored in the status storage means match in the collection mode.

In the network management device of the second invention, in addition to the same operation and effect as the first invention, the setting information collected by selecting the restoration mode can be written to the constituent devices.

[0015] Therefore, for example, the setting information can be easily set even when an abnormality that has occurred in a component device is restored or a new component device is introduced in place of the component device in which the error has occurred. The efficiency of the management work by the user can be further improved.

According to a third invention, in the network management apparatus according to the first invention or the second invention, the backup storage means for storing backup setting information, and the setting information read by the setting information storage means. Detecting whether or not the setting information stored in the storage means is different;
A difference detection unit that stores the setting information stored in the storage unit in the backup storage unit when the setting information is different, and the storage unit stores the setting information when the difference detection unit detects that the setting information is different. This is a network management device that stores the setting information read by the information storage unit.

According to the network management apparatus of the third invention, in addition to the same operation and effect as the first invention or the second invention, when the setting information of the storage means is changed, the setting information before the change is changed. Can be saved in the backup storage means.

Therefore, according to the third aspect, even after, for example, erroneous setting information is set and the erroneous setting information is collected, the setting information can be easily stored using the contents of the backup storage means. Can be restored.

Therefore, the efficiency of the management work by the manager can be further improved. In addition, since restoration can be performed quickly, network reliability can be improved.

According to a fourth aspect, in the network management apparatus according to the first aspect or the second aspect, time information storage means for previously storing time information for collecting setting information, and the time information storage means are stored in the time information storage means. A time collecting means for reading the setting information of the constituent device according to the time information; and a storage means for storing the setting information read by the setting information storing means and the setting information read by the time collecting means. It is a management device.

According to the network management apparatus of the fourth invention, in addition to the same operation and effect as those of the first invention or the second invention, even when the constituent device does not perform a predetermined operation, the time can be set by the time collecting means. Since the information is read, the setting information is more reliably collected.

According to a fifth aspect, in the network management apparatus according to the fourth aspect, the backup storage means for storing the backup setting information, and the setting information read out by the setting information storage means or the time collection means. Detecting whether or not the setting information stored in the storage means is different, and adding a difference detecting means for storing the setting information stored in the storage means in the backup storage means if the setting information is different, The means is a network management device that stores the setting information read by the setting information storage means or the time collection means when the difference information detects that the setting information is different.

Therefore, in the network management device of the fifth invention, in addition to the same operation and effect as the fourth invention, even when the constituent device does not perform a predetermined operation, the setting information is read by the time collecting means. Therefore, the setting information is collected more reliably.

According to a sixth aspect of the present invention, there is provided a state storage function for storing in advance an operation state of the constituent device, which is a collection condition of setting information individually set in a constituent device of the network, a state information received from the constituent device, A setting information storage function for reading out the setting information of the constituent devices when the operation state stored by the state storage function matches, and a storage storage function for storing the setting information read by the setting information storage function. This is a computer-readable recording medium on which a program for realizing the program is recorded.

By using a recording medium in which a program is recorded as in the sixth aspect, even in the case of a network management device or a computer which does not have the above-mentioned functions, the above-mentioned functions can be easily added. Can be.
Each of the processes executed by the network management apparatuses according to the second to fifth aspects of the present invention can be considered as a program, similarly to the above case.

[0026]

Embodiments of the present invention will be described below in detail with reference to the drawings. (First Embodiment) In this embodiment, a function of detecting that a preset operation has been performed on a network component to be managed and automatically reading a file related to configuration information of the component is provided. A network management device provided will be described.

FIG. 1 is a block diagram showing the configuration of the network management device according to the present embodiment. Routers 2 and 3 are connected to a network provided with the network management device 1 as constituent devices of the network. When configuring this network, unique IP addresses a to c are assigned to the network management device 1 and the routers 2 and 3, respectively.

The routers 2 and 3 operate as relay devices of the network. In addition, it is connected to storage devices 2a and 3a which store setting information including its own IP address, the IP address of another device, information for routing, and the like. Each setting information is stored in a file format in each of the storage devices 2a and 3a, and is loaded onto a memory inside the routers 2 and 3 when the power of the routers 2 and 3 is turned on.

Each of the routers 2 and 3 operates as an SNMP agent, and has its own IP address, its own trap type indicating the type of operation state, and its own device type (for example, device type, An SNMP trap including information such as a model is transmitted to the network management apparatus 1. Here, it is assumed that both the router 2 and the router 3 are of the device type “router type A”.

The routers 2 and 3 are connected to each other via a network such as a dedicated line. The network management device 1 manages the status of the routers 2 and 3 by the SNMP manager unit 4. The setting information storage unit 7 determines whether or not the contents of the SNMP trap received by the SNMP manager unit 4 and the contents obtained from the setting information management table 5 and the device management table 6 match. If they match, the setting information storage 7
The setting information is read from the router that transmitted the P trap, and stored in the storage device 8 in a file format. The position and file name of the setting information file stored in the storage device 8 are specified in the setting information management table.

Hereinafter, each part of the network management apparatus 1 will be described in detail. SNMP manager unit 4
Has a function of receiving an SNMP trap including information on the status of operation and operation in the routers 2 and 3 and monitoring the routers 2 and 3 which are SNMP managers. Further, the received SNMP trap is stored in the setting information storage unit 7.
Output to

FIG. 2 is a diagram showing an example of specifying a collection condition of setting information according to the present embodiment. The collecting condition includes a setting information management table 5 as shown in FIG.
This is obtained from the device management table 6 as shown in FIG.

The setting information management table 5 shown in FIG.
It manages and stores the collection status of the setting information collected from the routers 2 and 3 which are the network components. That is, in the setting information management table 5, the IP address assigned to each component device, the device type of each component device, and the file name of the full path in the storage device 8 where the collected setting information is stored are stored. It is managed and stored in association with it.

In FIG. 2A, the device type “router type A” and the file name “f” are assigned to “IP address b”.
ileB "is associated therewith. The device type “router type A” and the file name “fileC” are associated with the “IP address c”.

The device management table 6 of FIG. 2B manages and stores the types of SNMP traps that serve as setting information collection conditions for each device type. Here, when an SNMP manager including "cold start" indicating that the power has been turned on as a trap type is received from a component device of "router type A", a condition for collecting setting information is set. I have.

The setting information storage unit 7 transmits the SNMP trap based on the contents of the SNMP trap input from the SNMP manager unit 4 and the contents obtained from the setting information management table 5 and the device management table 6. It is determined whether or not to read the setting information, and if so, a reading process is performed. Then, the read setting information is stored in the storage device 8, and the stored file name of the full path is registered in the setting information management table 5.

The storage device 8 stores setting information of each component of the network. The operation of the network management device 1 having the above configuration will be described below.

For example, the router 2 operates in advance, and when the router 3 is newly introduced into the network, the
Setting information including an address, an IP address of the network management device 1 operating as an SNMP manager, information on routing, and the like is set in the storage device 3a of the router 3.

When the router 3 is physically connected to the network by a line cable or the like and the power is turned on, the setting information is stored in the internal memory of the router 3 from the storage device 3a.

The trap type is "cold start" and its own IP address is "IP address c".
Is transmitted from the router 3 to the network management apparatus 1 operating as the SNMP manager.

The transmitted SNMP trap is sent to the router 2
Is received by the SNMP manager unit 4 of the network management device 1 via SNMP to SNMP manager unit 4
When the trap is received, the setting information storage unit 7 is notified to that effect.

The setting information storage unit 7 recognizes that the contents of the SNMP trap indicate "cold start" and "IP address c". Next, the record relating to “IP address c” is acquired by referring to the setting information management table 5. Thereby, it is recognized that the device type of “IP address c” is “router type A”.

Next, the device management table 6 is referred to,
A record related to “router type A” is obtained. As a result, it is recognized that “router type A” reads the setting information when the trap type is “cold start”.

The setting information storage unit 7 determines whether the trap type of the input SNMP trap is the same as the trap type obtained by referring to the setting information management table 5 and the device management table 6. Is done.

In the case of the same, the setting information storage section 7 copies and collects the setting information of the router 3 of the “IP address c” and stores it in the storage device 8. Here, the trap type of the input SNMP trap and the tables 5, 6
Are both "cold start" and coincide with each other, the setting information is read.

The file name of the setting information stored in the storage device 8 is registered in the setting information management table 5. Here, the collected setting information is “file
C ”and registered in the setting information management table 5.

As described above, the network management device 1 according to the present embodiment compares the trap type stored as a key for collecting setting information with the trap type of the received SNMP trap. If both trap types match, this SNM
The setting information of the network component device that has transmitted the P trap is automatically read and stored.

As a result, the setting information of each constituent device can be automatically collected and managed, so that the administrator does not need to manually collect the setting information. Therefore, the burden on the administrator can be reduced, and the efficiency of the management work can be improved.

Also, as in the present embodiment, by collecting the setting information when the constituent devices are started up, the setting of the device whose setting information has been changed or the device newly connected to the network can be set. Information can be collected automatically and quickly.

As a result, it is possible to prevent the collected setting information from being inconsistent with the setting information actually possessed by the inside of the constituent device, and to accurately recover the setting information even if an abnormality occurs. Therefore, the reliability of the network can be improved.

Further, it is possible to eliminate the trouble that the administrator manually collects the changed setting information and the setting information of the newly connected component device. Furthermore, in the present embodiment, the collection condition of the setting information can be changed only by changing the trap type in the device management table 6 of the network management device 1, so that the burden on the administrator can be further reduced. Can be.

In this embodiment, the case where the network device is a router is described as an example. However, instead of this, the present invention can be applied to various network components such as gateways, personal computers, workstations, and the like.

In this embodiment, a network to which SNMP is applied has been described as an example.
However, the present invention is not limited to this, and the present invention can be similarly applied to an environment in which information regarding the operation state of each component device of the network is transmitted and the transmitted information is received by the network management device.

(Second Embodiment) In the present embodiment, in addition to the functions of the network management apparatus 1 according to the first embodiment, each time a predetermined time elapses, each component of the network A network management apparatus provided with a function of collecting the setting information of the network will be described.

FIG. 3 is a block diagram showing the configuration of the network management apparatus according to the present embodiment. The same parts as those in FIG. 1 are denoted by the same reference numerals, and the description thereof will be omitted.
Here, only different portions will be described in detail.

This network management device 9 is the first
In the network management device 1 according to the embodiment, the time collection unit 10 that reads out the setting information every time a predetermined time elapses
Is added. In the device management table 11 of the network management device 9, a collection cycle is associated with each device type.

FIG. 4 is a diagram showing an example of specifying a setting information collection condition in the present embodiment. FIG. 4A is the same as the setting information management table 5 described above. On the other hand, FIG.
The device management table 11 shown in (b) manages and stores the device information in the device management table 6 described above in association with a collection period, which is time information for collecting setting information, for each device type. Here, the collection period “24 hours” is associated with the device type “router type A”.

The time collection unit 10 includes a device management table 11
, The setting information of the configuration device of “router type A” is collected every 24 hours. Also, referring to the setting information management table 5, it recognizes that “IP address b” and “IP address c” exist in the IP address of the component device of “router type A”.

Then, the "IP address b" and "I
The setting information is read every 24 hours from the routers 2 and 3 having the “P address c” and stored in the storage device 8. The file name at the time of the storage is registered in the setting information management table 5.

The operation of the network management device 9 having the above configuration will be described below. For example, SN
Devices that do not have the function as MP agents, SN
A device that is not monitored by the MP manager may be used as a component device of the network.

A device that does not transmit an SNMP trap even when newly introduced to a network or a device that does not transmit an SNMP trap even when setting information is changed may be used as a constituent device of a network.

In such a configuration device, the SNMP
Since the trap is not transmitted, the setting information storage unit 7 does not collect the setting information. However, the time collection unit 10 periodically collects the setting information of the constituent devices based on the contents of the setting information management table 5 and the device management table 11.

As described above, in the network management apparatus according to the present embodiment, the time collection unit 1 according to the collection timing shown in the device management table 11.
0 automatically reads the setting information of each component device.

As a result, not only the type of the SNMP trap but also the setting information can be collected when a predetermined time has elapsed, so that the accuracy of the collected setting information can be further improved.

Further, since setting information can be collected even for constituent devices that do not transmit SNMP traps, the management range can be expanded, and higher-level management can be performed.

In the present embodiment, the time collection unit 10 automatically collects the setting information according to a predetermined cycle. However, it is assumed that the setting information is collected according to the collection time instead of the collection cycle. Is also good.

(Third Embodiment) In this embodiment, in addition to the functions of the network management device 9 according to the second embodiment, the configuration in which a failure has occurred is performed by using the collected setting information. A network management device that restores device setting information will be described.

FIG. 5 is a block diagram showing the configuration of the network management apparatus according to the present embodiment. The same parts as those in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted.
Here, only different portions will be described in detail.

This network management device 12 has a configuration in which a configuration information restoring unit 13 for writing configuration information collected in a component device in which an error has occurred has been added to the network management device 9 according to the second embodiment. . In the setting information management table 14 of the network management device 12, the designation of the collection mode or the restoration mode as the processing type is associated with each IP address of each component device. Further, the setting information storage unit 15 of the network management device 12 performs the same operation as the above-described setting information storage unit 7 only when the collection mode is designated.

On the other hand, the routers 2 and 3, which are the constituent devices of the network, send the minimum necessary setting information (the own IP address, the IP address of the network management device, and information on routing) when connected to the network.
It is set to transmit as an MP trap.

FIG. 6 is a diagram showing an example of designating a collection condition of setting information according to the present embodiment. FIG. 6B is the same as the device management table 11 described above. FIG.
As described above, the setting information management table 14 shown in (a) manages and associates the designation of the collection mode or the restoration mode as the processing type for each IP address of each component device.
Remember. Here, “collection” is associated with “IP address b”, and “restore” is associated with “IP address c”.

The setting information storage unit 15 refers to the setting information management table 14, and is the same as the setting information storage unit 7 described above only when the processing type of the input IP address of the SNMP trap is the collection mode. Processing is performed, but if the processing type is the restoration mode, the collection processing is not performed even if the trap types match.

On the other hand, the setting information restoring unit 13 refers to the setting information management table 14 and, when the processing type of the input IP address of the SNMP trap indicates restoration, converts the setting information in the storage device 8 into this IP address. Write to the addressed device.

The operation of the network management device 12 having the above configuration will be described below. For example,
It is assumed that an abnormality has occurred in the router 3 to which the “IP address c” is set. In this case, the administrator changes the processing type of “IP address c” in the setting information management table 14 to “restoration”.

When the abnormality of the router 3 is recovered or a new router is connected in place of the router 3,
A minimum required SNMP trap is transmitted from the restored router 3 or a new router. When a new router is used, the IP address of this router is set as the same “IP address c” as before the exchange.

The transmitted SNMP trap is received by the SNMP manager unit 4 of the network management device 12, and is input to the setting information storage unit 15 and the setting information restoring unit 13.

The IP address included in the SNMP trap is “IP address c”, and the processing type of “IP address c” in the setting information management table 11 indicates “restoration”. Is not executed, the restoration processing is executed by the setting information restoring unit.

That is, the setting information restoring unit 13 refers to the setting information management table, reads out the file “fileC” in the storage device 8, and writes the content to the constituent device having the “IP address c”. .

As a result, the setting information before the abnormality occurred in the router 3 is written in the restored router 3 or a new router. Then, the processing type assigned to “IP address c” in the setting information management table 14 is automatically changed from “recovery” to “collection”.

After that, the setting information collecting operation is performed by the setting information storage unit 15 until the administrator changes the processing type again. As described above, in the network management device 12 according to the present embodiment, when an SNMP trap is received from a component device of the network, according to the processing type set in the setting information management table 14,
Either a process of reading the setting information from the component device or a process of writing the collected setting information to the component device is executed.

Therefore, it is easy to set the setting information in the component device recovered from the error or in the component device installed in place of the component device in which the error has occurred, so that the efficiency of the management operation can be further improved. Can be.

(Fourth Embodiment) In the present embodiment, in addition to the functions of the network management apparatus 12 according to the third embodiment, the newly collected setting information and the previously collected setting information A description will be given of a network management apparatus that reserves previously collected setting information as a backup when the setting information is different.

FIG. 7 is a block diagram showing the configuration of the network management apparatus according to the present embodiment. The same parts as those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted.
Here, only different portions will be described in detail.

This network management device 16 has a configuration in which a difference detection unit 17 and a backup storage device 18 are added to the network management device 12 according to the third embodiment. In addition, the setting information management table 19 stores the backup storage device 18 for each IP address.
Is given the file name when the setting information is stored.

FIG. 8 is a diagram showing an example of a command for setting information collection conditions in this embodiment. FIG. 8B is the same as the device management table 11 described above. FIG.
As described above, the setting information management table 19 shown in (a) shows the backup storage device 1 storing backup setting information for each IP address of each component device.
8 is managed and stored in association with the full path file name.

Here, the file name “fileB.bak” of the backup storage device is associated with “IP address b”, and the file name “fileC.bak” of the backup storage device is associated with “IP address c”. Be related.

The difference detecting section 17 inputs the setting information read by the setting information storage section 15 or the time collecting section 10. In addition, the storage file name is recognized based on the contents of the setting information management table 19, and the setting information input from the setting information storage unit 15 or the time collection unit 10 is stored in the storage storage device 8.
Of the setting information stored in a file format is detected. As a method of detecting the difference, a method of comparing the date and time when the setting information is created by the constituent devices of the network and a method of comparing the contents of the setting information are used.

When a difference is detected, the difference detecting unit 17 saves the setting information of the storage device 8 to be changed to a backup storage device, and stores the setting information in the setting information storage unit 15 or the time collecting unit. The setting information input from 10 is newly stored in the storage device 8.

When the difference detector 17 stores the setting information in the storage device 8 and the backup storage device 18, it stores each storage file name in the setting information management table 19.

When the setting information is to be returned to the original state, the difference detecting section 17 sets the setting information management table 19
, The file contents of the storage device 8 may be restored according to the file contents of the backup storage device 18 and then the setting information restoring unit 13 may be instructed to restore.

The operation of the network management device 16 having the above configuration will be described below. In the network management device 16, the difference detection unit 17 compares the setting information from the setting information storage unit 15 or the time collection unit 10 with the setting information in the storage device 8.

If a difference is detected between these setting information, the setting information of the storage device 8 to be changed is saved in the backup storage device 18 and the setting information storage unit 1
5 or the setting information from the time collection unit 10 is newly stored in the storage device 8, and the file names in these storage devices 8 and 18 are stored in the setting information management table 19.

Here, for example, it is assumed that incorrect setting information is set in the router 3 and this setting information is collected and stored in the network storage device 16. Even in such a case, in the network management device 16,
The backup storage device 18 holds the above setting information.

The difference detector 17 restores the contents of the storage device 8 with the contents of the backup storage device 18 based on the contents of the setting information management table 19. Then, the restored setting information of the storage device 8 is written into the router 3 by the setting information restoring unit 13, whereby the incorrect setting information is restored to the original state.

As described above, in the network management apparatus 16 according to the present embodiment, setting information that is not appropriate for the constituent devices is set, and even if this setting information is collected and stored, it is stored in the backup storage device 18. The setting can be performed again according to the setting information of the destination.

Thus, the work efficiency of the manager can be further improved. Further, it is possible to quickly and accurately recover the setting information of the constituent devices of the network.

The functions of the network management apparatus according to each of the above-described embodiments may be implemented as programs that can be executed by a computer, such as a magnetic disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.). ), It is also possible to apply it by writing it on a recording medium such as a semiconductor memory, or to apply it to various devices by transmitting it via a communication medium. A computer that implements the present system reads the program recorded on the recording medium, and executes the above-described processing by controlling the operation of the program.

[0098]

As described above in detail, in the computer readable recording medium on which the network management device and the program according to the present invention are recorded, when the constituent devices of the network are set in a preset state, the setting information is stored. Is read.

Thus, the setting information of each component device scattered on the network can be automatically collected and put together. Therefore, the work efficiency of the network administrator can be improved.

When the setting information is changed in the constituent devices, the changed setting information is read out,
Since the collected setting information and the current setting information can be quickly matched, the reliability of the network can be improved.

In the present invention, by adding a means for automatically writing the collected setting information to the constituent device, the setting information of the constituent device can be automatically reset.
In addition, when storing the collected setting information, by adding a means for creating a backup of the previously stored setting information, the correct setting information can be stored even after the incorrect setting information is collected. Can be reset using.

Further, by adding a means for collecting setting information in accordance with time information, setting information can be read even when it is not possible to detect whether or not the constituent devices of the network have been set in advance. And the range that can be managed can be expanded. Therefore, the management work can be further improved, and the reliability of the network can be further improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a network management device according to a first embodiment of the present invention.

FIG. 2 is an exemplary view showing a specification example of setting information collection conditions in the embodiment.

FIG. 3 is a block diagram showing a configuration of a network management device according to a second embodiment of the present invention.

FIG. 4 is a diagram showing an example of specifying a collection condition of setting information in the embodiment.

FIG. 5 is a block diagram showing a configuration of a network management device according to a third embodiment of the present invention.

FIG. 6 is a diagram showing an example of specifying a collection condition of setting information in the embodiment.

FIG. 7 is a block diagram showing a configuration of a network management device according to a fourth embodiment of the present invention.

FIG. 8 is a diagram showing an example of specifying a collection condition of setting information in the embodiment.

[Explanation of symbols]

 1, 9, 12, 16 Network management device 2, 3 Router 2a, 3a Storage device 4 SNMP manager unit 5, 14, 19 Setting information management table 6, 11 Device management table 7, 15 Setting information Storage unit 8 ... Storage storage device 10 ... Time collection unit 13 ... Setting information restoration unit 17 ... Difference detection unit 18 ... Backup storage device

Claims (6)

[Claims] 1. A network management device that receives status information indicating an operation state of a component device from a component device that is a component of a network and operates based on individually set configuration information, State storage means for storing in advance an operation state of the constituent device serving as a collection condition; state information received from the constituent device; and when the operation state stored in the state storage means matches, the constituent device A network management apparatus, comprising: setting information storage means for reading the setting information of the above; and storage storage means for storing the setting information read by the setting information storing means. 2. The network management apparatus according to claim 1, wherein: a mode storage means for storing in advance a designation of a collection mode or a restoration mode; and a designation of the mode storage means being a restoration mode, and a state received from the constituent device. When the information and the operation state stored in the state storage unit match, a setting information restoration unit that writes the setting information of the storage unit to the constituent device is added, and the setting information storage unit is When the designation of the mode storage means is a collection mode, and the state information received from the constituent device matches the operation state stored in the state storage means, the setting information of the constituent device is read. Characteristic network management device. 3. The network management device according to claim 1, wherein a backup storage unit for storing backup setting information, the setting information read by the setting information storage unit, and the storage storage. Detecting whether the setting information is different from the setting information stored in the means, and adding a difference detecting means for storing the setting information stored in the storage means in the backup storage means if the setting information is different, A network management device, wherein, when the difference detection unit detects that the setting information is different, the storage unit stores the setting information read by the setting information storage unit. 4. The network management apparatus according to claim 1, wherein the time information for collecting the setting information is stored in advance, and the time information stored in the time information storage means is stored in the time information storage means. Therefore, a time collecting means for reading the setting information of the constituent device is added, and the storing and storing means stores the setting information read by the setting information storing means and the setting information read by the time collecting means. A network management device, comprising: 5. The network management apparatus according to claim 4, wherein: a backup storage unit for storing backup setting information; setting information read by the setting information storage unit or the time collection unit; Detecting whether or not the setting information stored in the storage means is different, and adding a difference detection means for storing the setting information stored in the storage means in the backup storage means if different. A network management device for storing the setting information read by the setting information storing unit or the time collecting unit when the difference detecting unit detects that the setting information is different; . 6. A state storage function for storing in advance an operation state of the constituent device, which is a collection condition of setting information individually set in a constituent device of a network, state information received from the constituent device, and the state A setting information storage function for reading the setting information of the constituent device when the operation state stored by the storage function matches; and a storage storage function for storing the setting information read by the setting information storage function. A computer-readable recording medium on which a program for realizing the program is recorded.