JPH1127266A - Structural information management method for network management device and management object device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve reliability by preventing an inequality from occurring in structural information between a network management device and a management object device. SOLUTION: When structural information of a management object device 30 is changed by a network management device, the management object device 30 informs the network management devices 10 and 10a of the changed structural information and when the network management devices 10 and 10a receive the structural information, they update the structural information stored in information storage parts 13 and 13a, display them on an information input and output part 11 and inform a network manager of the same. Thus, change in the structural information can be informed to the network manages who are in both the network management devices 10 and 10a, and the structural information within the two network management devices 10 and 10a are automatically made to be matched with each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a configuration information management of a network management device for managing configuration information for controlling the configuration of a managed device between a plurality of managed devices and a network management device for managing the devices. More particularly, the present invention relates to a configuration information management method for a network management device that prevents configuration information from being inconsistent between a network management device and a device to be managed, or between a plurality of network management devices.

[0002]

2. Description of the Related Art Conventionally, as described in Japanese Patent Application Laid-Open No. 8-154128, for example, a configuration information management system of this type of network management device has a plurality of management information held by a main network management device connected to a network. It is configured to be displayed simultaneously on the display means.

FIG. 10 is a block diagram showing a configuration of a configuration information management system of a conventional network management device. Network 1
And the managed device 430 is operation and maintenance by a main network management device 210 and another network management device 210 _a.

[0004] The network management device 210 includes an information input / output unit 11.
, An information storage unit 13 and an information control unit 12.

[0005] The network management device 210 _a
It is composed of

[0006] The information input / output units 11 and 17 display operation information and configuration information of the managed device 430, and input an instruction to change the configuration information of the managed device 430 from a network administrator.

The information storage unit 13 stores operation information indicating a change in the operating state of the network 1 and the managed device 430, and configuration information of the network 1 and the managed device 430.

[0008] The information control unit 12 controls communication between the information input / output units 11 and 17 and the network 1 and the device to be managed 430, and also controls updating of the contents of the information storage unit 13.

Next, the operation of the conventional configuration information management system of the network management device will be described.

Network 1 and Managed Device 430
A change in the operating state caused by a failure or the like is notified from the network 1 and the managed device 430 to the information control unit 12. The information control unit 12 updates the contents of the operation information stored in the information storage unit 13 to contents corresponding to the change in the operation state, and transmits the updated operation information to the display means of the information input / output units 11 and 17. Each of them is displayed at the same time, and a plurality of network managers are notified of which part of the network 1 and the managed device 430 has a failure or the like.

When a certain network administrator inputs an instruction to change the configuration information from the information input / output unit 11 to the information control unit 12,
The information control unit 12 transmits the configuration change information to the management target device 430
To the network 1 and the managed device 430
Is changed in accordance with the configuration change information, the content of the configuration information stored in the information storage unit 13 is changed based on the configuration change instruction, and the updated configuration information is changed by the information input / output units 11 and 17. The information is simultaneously displayed on the display means, and a plurality of network administrators are notified of how the configurations of the network 1 and the managed device 430 have been changed.

Similarly, when another network administrator inputs an instruction to change the configuration information from the information input / output unit 17 to the information control unit 12, the information control unit 12 transmits the configuration change information to the managed device 3.
0 to the network 1 and the managed device 43
0 is changed in accordance with the configuration change information, the content of the configuration information stored in the information storage unit 13 is changed based on the configuration change instruction, and the updated configuration information is stored in the information input / output units 11 and 17. The information is simultaneously displayed on the display means, and a plurality of network administrators are notified of how the configurations of the network 1 and the managed device 430 have been changed.

In the conventional configuration information management system for a network management apparatus, the network management apparatus 210 is installed when the network 1 and the managed apparatus 430 are maintained by a plurality of network management apparatuses 210 in order to provide redundancy and improve reliability. Since the means for automatically matching the configuration information among the information storage units 12 of the plurality of network management devices 210 is not considered, the configuration information is matched between the information storage units 12 of the plurality of network management devices 210. Requires some operation by the network administrator.

Therefore, it takes a lot of man-hours to cause the information storage unit 12 of each network management device 210 to hold the same contents of the configuration information, and the contents of the configuration information may be inconsistent.

Further, in this conventional configuration information management system for a network management device, there is no means for notifying the network management device 210 that the configuration information in the managed device 430 has been changed by an instruction other than the instruction of the network management device 210. Therefore, the managed device 43
The local input / output device for displaying the operation information of the managed device 430 and the configuration information of the managed device 430 from the network administrator is displayed.
Is provided along with the configuration information change instruction input from the local input / output device.
When the configuration information of 0 is changed, the configuration information of the managed device 430 and the configuration information of the network management device 210 do not match, and the network management device 210 cannot display the correct operation state or manage the configuration information.

Further, in the conventional configuration information management method of the network management device, similarly to the above, it is determined that the configuration information in the managed device 430 has been changed for a reason other than the instruction of the network management device 210. Since there is no means for notifying the management target device 430 for some reason, when the management target device 430 is initialized based on the configuration information of the old generation,
If the configuration information of the network management apparatus 210 does not match the configuration information of the network management apparatus 210, the network management apparatus 210 cannot display the correct operation state or manage the configuration information.

[0017]

The above-described conventional configuration information management method of the network management apparatus has the following problems. (1) When maintaining a network and a device to be managed by a plurality of network management devices in order to improve the reliability of the network management device, some operation by a network administrator is required, and the information storage unit of each network management device requires an operation. It takes a lot of man-hours to hold the same contents of the configuration information, and the contents of the configuration information may be inconsistent. (2) When the local input / output device is provided in association with the managed device, when the configuration information of the managed device is changed in accordance with the configuration information change instruction input from the local input / output device, The configuration information possessed by the network management device does not match the configuration information possessed by the network management device, and the network management device cannot display a correct operation state or manage the configuration information. (3) When the management target device is initialized based on the configuration information of the old generation for some reason, the configuration information of the management target device does not match the configuration information of the network management device, and the network management device operates correctly. Status display and configuration information management cannot be performed.

An object of the present invention is to provide a reliability that does not cause inconsistency in stored configuration information between a network management device and a managed device even when a plurality of network management devices are provided for redundancy. It is an object of the present invention to provide a configuration information management method for a network management device with high security.

[0019]

In order to achieve the above object, a network management device according to the present invention comprises a plurality of managed devices and a plurality of network management devices for managing the plurality of managed devices. In the configuration information management method of the network management device
Each of the managed devices transmits a configuration information storage unit for storing configuration information for controlling the configuration of the device itself, and a configuration information change instruction transmitted from one of the plurality of network management devices. And a control configuration information control unit that changes the storage content of the control configuration information storage unit in accordance with the transmitted configuration information change instruction, and notifies each of the network management devices of the changed configuration information. An information storage unit for storing the configuration information of each of the managed devices; displaying the configuration information of each of the managed devices; and inputting an instruction to change the configuration information of each of the managed devices. When an instruction to change the configuration information for a certain managed device of the plurality of managed devices is input by the information input / output unit and the information input / output unit, the change instruction is notified to the corresponding managed device. , The management An information control unit that, when receiving the changed configuration information from the elephant device, updates the storage content of the configuration information stored in the information storage unit and displays the updated configuration information on the information input / output unit. Features.

According to the present invention, when the configuration information of a managed device is changed by a certain network management device, the managed device transmits the changed configuration information to a plurality of networks including the network management device that has requested the update. Notify the management device, the network management device, even if the device itself has not changed the configuration information of the managed device,
When the configuration information is received from the management target device, the configuration information of the management target device stored in the network management device is updated and notified to the network administrator.

Therefore, the change of the configuration information of the management target device performed from another network management device can be notified to the network managers in all the network management devices, and the network manager does not need to perform any special operation. However, the configuration information in a plurality of network management devices can be matched, and the reliability can be improved.

The configuration information management method for a network management device according to the present invention is characterized in that the configuration information of the network management device includes a plurality of managed devices and a plurality of network management devices for managing the plurality of managed devices. In the management system, each of the management target devices includes a control configuration information storage unit in which configuration information for controlling the configuration of the own device is stored, and configuration information from one of the plurality of network management devices. When the change order is transmitted,
A control configuration information control unit that changes storage contents of the control configuration information storage unit in accordance with the transmitted configuration information change instruction, and notifies the network management device that has output the changed configuration information of the configuration information change instruction; Having an information storage unit that stores configuration information of each of the managed devices,
An information input / output unit for displaying configuration information of each of the managed devices and inputting an instruction to change the configuration information of each managed device; and a management of the plurality of managed devices by the information input / output unit. When an instruction to change the configuration information for the target device is input, the change instruction is notified to the corresponding managed device, and when the changed configuration information is received from the managed device, the received configuration information is changed based on the instruction. If the received configuration information is included, the received change information is notified to the other network management device, the content of the configuration information stored in the information storage unit is updated, and the updated configuration information is entered into the information storage device. And an information control unit for displaying on the output unit.

According to the present invention, when a certain network management device changes the configuration information of a managed device, the managed device notifies the changed network configuration information only to the network management device that has output the configuration information change instruction. Upon receiving the configuration information from the management target device, the network management device relays the received configuration information to another network management device.

Therefore, the configuration information of the managed devices stored in the plurality of network management devices can be automatically matched without increasing the load on information communication of the managed devices.

The configuration information management method for a network management device according to the present invention is characterized in that the configuration information of the network management device includes a plurality of managed devices and a plurality of network management devices for managing the plurality of managed devices. In the management system, each of the management target devices stores configuration information for controlling the configuration of the device itself and a version number indicating the order in which the configuration information was created or the time at which the configuration information was created. When a configuration information change instruction is transmitted from the information storage unit and one of the plurality of network management devices, the storage contents of the control configuration information storage unit are changed according to the transmitted configuration information change instruction. Notify the version number of the changed configuration information to each network management device, and when there is a request for transmission of configuration information from each network management device,
A control configuration information control unit for notifying the changed configuration information to the network management device that issued the transmission request, wherein each of the network management devices is configured with the configuration information of each of the managed devices and the version number of the configuration information. An information storage unit that stores configuration information of each of the managed devices, and an information input / output unit that inputs an instruction to change the configuration information of each of the managed devices; and When an instruction to change the configuration information for a certain managed device among the managed devices is input,
When the change instruction is notified to the corresponding managed device and the version number of the configuration information is received from the managed device, the version number of the configuration information stored in the information storage unit is compared with the version number of the configuration information. Requesting the managed device to transmit the configuration information, if the collation results match, notify the managed device that the configuration information need not be transmitted, and receive the configuration information from the managed device. An information control unit for updating the storage content of the configuration information stored in the storage unit and displaying the updated configuration information on the information input / output unit.

According to the present invention, the network management device and the management target device
The version numbers of the configuration information of the managed devices stored in the respective devices are collated, and only when there is a mismatch, the configuration information in the managed device is transferred to the network management device and stored.

Therefore, if the managed device transmits only to the network management device in which the changed configuration information is inconsistent, the configuration information of each network management device can be matched. The load related to data communication can be reduced.

Further, the configuration information management method for a network management device according to the present invention is characterized in that the configuration information of the network management device includes a plurality of managed devices and a plurality of network management devices for managing the plurality of managed devices. In the management method, each of the managed devices has a configuration information storage unit for storing configuration information for controlling the configuration of the own device and a version number of the configuration information,
When a configuration information change instruction is transmitted from one of the plurality of network management devices, the storage contents of the control configuration information storage unit are changed according to the transmitted configuration information change instruction, and the changed configuration information is changed. To the network management device that has output the configuration information change instruction, and when a request for transmission of the configuration information is issued from each of the network management devices, the network that has issued the request for transmission of the changed configuration information. A configuration information control unit for control to notify a management device, wherein each of the network management devices includes an information storage unit that stores configuration information of each of the managed devices and a version number of the configuration information; An information input / output unit for displaying device configuration information and inputting an instruction to change the configuration information of each of the managed devices; and Information change instruction When the input is input, the change instruction is notified to the corresponding managed device, and when the version number of the configuration information is received from the managed device, the configuration information is compared with the version number of the configuration information stored in the information storage unit. If the results do not match, request the managed device to transmit the configuration information.If the matching results match, notify the managed device that transmission of the configuration information is unnecessary, and send the configuration information from the managed device. Upon receipt, if the received configuration information includes configuration information changed based on the instruction, the received change information is notified to another network management apparatus, and the storage content of the configuration information stored in the information storage unit And an information control unit for displaying the updated configuration information on the information input / output unit.

According to the present invention, when a certain network management device changes the configuration information of a managed device, the managed device notifies only the network management device that has output the configuration information change instruction of the version number of the changed configuration information. When the network management device receives the version number of the configuration information from the management target device, the network management device compares the version number with the version number of the stored configuration information. The information is transferred to the network management device, and the network management device relays the received configuration information to another network management device.

Therefore, the configuration information of the managed devices stored in the plurality of network management devices can be automatically matched without increasing the load on information communication of the managed devices, and the managed device can If the changed configuration information is transmitted to the network management device only once, the configuration information of each network management device can be matched, so that the load on data communication of the managed device can be reduced.

Further, according to an embodiment of the present invention, the management target device has a local input / output device capable of inputting an instruction to change configuration information, and the control configuration information control unit includes a local input / output device. When an instruction to change the configuration information is input by the input / output device, the storage contents of the control configuration information storage unit are changed according to the input configuration information change instruction, and the changed configuration information or the version number of the changed configuration information is changed. Is notified to each of the network management devices.

According to the present invention, even when the configuration information of the management target device is changed by the local input / output device attached to the management target device, the control configuration information control unit inputs the contents stored in the control configuration information storage unit. The configuration information is changed according to the changed configuration information change instruction, and the changed configuration information is notified to a plurality of network management apparatuses.

Therefore, the configuration information in the managed device and the configuration information in the plurality of network management devices can be matched without requiring any special operation, and the reliability can be increased.

Further, according to the embodiment of the present invention, each of the management target devices includes a backup / restore device for saving and saving the configuration information stored in the control configuration information storage unit.
Having a file, the control configuration information control unit reads the configuration information stored in the backup file when initialized, and after updating the configuration information stored in the control configuration information storage unit, The configuration information or the version number of the configuration information is notified to each of the network management devices or the network management device that has instructed the change of the configuration information.

According to the present invention, the management target device saves the configuration information in a backup file as necessary. Therefore, in the case of a serious software failure, it is possible to recover the failure by initializing the managed device after uploading the configuration information in the backup file, thereby improving the reliability of the managed device.

Further, according to the embodiment of the present invention, when the configuration information is updated by the information control unit, the information input / output unit may display the currently displayed information without changing the display content. Is displayed based on the configuration information before the change.

According to the present invention, when the network administrator is examining past configuration information or the like using the information input / output unit, the currently displayed information is changed without changing the display to the latest information. This is to display that the operation is performed based on the configuration information before the operation. Therefore, the display does not change while the network administrator is looking at the information he wants to know.

In order to achieve the above object, a managed device according to the present invention comprises: a control configuration information storage unit in which configuration information for controlling the configuration of the device is stored; A local input / output device that can be input, and when a configuration information change instruction is input by the local input / output device, the storage content of the control configuration information storage unit is changed in accordance with the input configuration information change instruction. And the control configuration information control unit for notifying each of the managed network management devices of the changed configuration information.

According to the present invention, even when the configuration information of the device to be managed is changed by the local input / output device attached to the device to be managed, the control configuration information control unit inputs the contents stored in the control configuration information storage unit. The configuration information is changed according to the changed configuration information change instruction, and the changed configuration information is notified to a plurality of network management apparatuses.

Therefore, the configuration information in the management target device and the configuration information in the plurality of network management devices can be matched without requiring any special operation, and the reliability can be increased. In addition, the managed device of the present invention saves a configuration information for control stored in the configuration information for controlling the configuration of the device itself and a configuration information stored in the configuration information storage for control. A backup file for saving and storing, reading the configuration information stored in the backup file when initialized, updating the configuration information stored in the control configuration information storage unit, and then updating the configuration information. And a control configuration information control unit for notifying each network management device to be managed.

According to the present invention, the management target device saves the configuration information in a backup file as necessary. Therefore, in the case of a serious software failure, it is possible to recover the failure by initializing the managed device after uploading the configuration information in the backup file, thereby improving the reliability of the managed device.

[0042]

Next, an embodiment of the present invention will be described in detail with reference to the drawings.

(First Embodiment) First, a network management apparatus according to a first embodiment of the present invention will be described in detail with reference to FIG.

FIG. 1 is a block diagram showing the configuration of the configuration information management system of the network management device according to the first embodiment of the present invention.
In FIG. 1, components having the same numbers as those in FIG. 10 have the same functions.

In this embodiment, two network management apparatuses and two management target apparatuses are shown, but the number of these apparatuses is not limited to the number shown in the figure.

Referring to FIG. 1, the network management device 10 is connected to a plurality of managed devices 30 which are components of the network 1 via a data communication network 20.

The network management device 10 includes an information input / output unit 11
It comprises an information control unit 12, an information storage unit 13, and a data communication control unit 14.

The information control unit 12 includes a data communication control unit 14
Is connected to the data communication network 20 via the
0 is a managed device 3
When a change in the operating state is transmitted from the data storage unit 13 through the data communication network 20 and the data communication control unit 14,
Is updated and the updated operation information is displayed on the display unit of the information input / output unit 11, and when an instruction to change the configuration information is input from the information input / output unit 11, When the change instruction is notified to the managed device 30 and the changed configuration information is received from the managed device 30, the storage content of the configuration information stored in the information storage unit 13 is updated and the updated configuration information is transmitted to the information input / output unit. 1
1 is displayed on the display means.

The data communication control unit 14 controls the data communication network 2
0 to the information control unit 12.

The network management device 10 _a is provided with redundancy in order to enhance the reliability of the network management device. The network management device 10 _a is a management target that is a component of the network 1 via the data communication network 20. It is connected to the device 30. The network management device 10 _a has exactly the same configuration as the network management device 10, and the information storage unit 13 _a for storing configuration information for displaying information to the network manager is provided with the information storage unit 13 _a of the network management device 10. Part 1
3 is provided independently. Number of each element constituting the network management device 10 _a is displayed subjected to _a to the number of the elements constituting the network management apparatus 10.

On the other hand, the management target device 30 includes an operating state storage unit 34, a data communication control unit 31, a control configuration information control unit 32, and a control configuration information storage unit 33.

The operation state storage unit 34 stores the failure state and operation state of the apparatus and, when a change occurs in the operation state, stores information necessary for maintenance and operation of the network 1 and the management target apparatus 30 in the data communication control unit 31. and transmitted to the network management apparatus 10 and 10 _a through the data communication network 20.

The control configuration information storage section 33 stores configuration information for controlling its own device, and the configuration information is updated as the configuration information is sequentially updated under the control of the control configuration information control section 32. You.

[0054] Control Configuration information section 32, the change instruction of the configuration information from the network management apparatus 10, 10 _a, which is transmitted via the data communication control unit 31, the control configuration information storage unit 3
3 of the contents change in accordance with change instruction of the configuration information, and notifies the changed change information to the network management apparatus 10, 10 _a.

Next, the operation of this embodiment will be described with reference to FIG.

Network 1 and Managed Device 30
In addition, changes in the operating state caused by a failure, etc.
The operation state stored in the operation state storage unit 34 of the elephant device 30 is
Necessary information regarding the display of
Network management devices 10 and 10_aTo
Notified. In the network management device 10, the information control unit 12
Stored in the information storage unit 13 based on the change in the operating state
The contents of the operation information
The operation information is displayed on the display means of the information input / output unit 11,
Which part of the network 1 and the managed device 30
Notify the network administrator if harm has occurred. Network management device 1
0_aBut network 1 and management pair
Input / output information on which part of the elephant device 30 has failed
Force part 11 _aNetwork administrator by displaying on the display means of
Report to.

When the network manager inputs a configuration information change instruction from the information input / output unit 11 of the network management device 10 to the information control unit 12, the information control unit 12 sends the configuration change information to the network 1 and the management target device 30. Output and network 1
Then, the configuration of the management target device 30 is changed according to the configuration change information. When receiving the configuration change information from the network management device 10, the control configuration information control unit 32 of the management target device 30 changes the contents of the control configuration information storage unit 33 according to the configuration change information, and further changes the changed control configuration. information and notifies both the network management apparatus 10 and the network management apparatus 10 _a.
In the network management device 10 and the network management device 10 _a , the information control unit 12 and the information control unit 12 _a use the contents of the information storage units 13 and 13 _a based on the changed control configuration information received from the management target device 30. with changing the information input-output unit 11 and 11 _a display means to re I to display the changes, the network 1 and the managed device 3
Notify the network administrator that the configuration information of 0 has been updated.
Means for notifying the network administrator that the configuration information has been updated include a method of updating the display based on the updated configuration information and a method of updating the display based on the configuration information that is not updated but the currently displayed information is old. There is a way to tell them what is going on.

In the case where the display is not updated, but the method of notifying that the currently displayed information is performed based on the old configuration information is used, the network administrator uses the information input / output unit to display the past configuration. When information or the like is being checked, the display is not changed to the latest information, but the fact that the currently displayed information is performed based on the configuration information before the change is displayed. Therefore, the display does not change while the network administrator is looking at the information he wants to know.

[0059] network administrator as well if you enter an instruction to change the configuration information from the information input and output portion 11 _a of the network management apparatus 10 _a to the information control section 12 _a, the information control section 12 _a is a configuration change information The configuration is output to the network 1 and the managed device 30, and the configuration of the network 1 and the managed device 30 is changed according to the configuration change information. Control configuration information control unit 32 of the management device 30 receives the configuration change information from the network management device 10 _a, and change according to the configuration change information contents of the control configuration information storage unit 33, a control that is further modified The configuration information is transmitted to the network management device 10 and the network management device _10a.
Notify. In the network management apparatus 10 and the network management apparatus 10 _a, information control unit 12, 12 _a changes the respective information contents of the storage unit 13, 13 _a on the basis of the modified control configuration information received from the managed device 30 together, by displaying the change on the display means of the information input-output unit 11, 11 _a, notify that the configuration information of the network 1 and the managed device 30 is updated to the network administrator.

In the present embodiment, when the configuration information of the management target device 30 is changed by a certain network management device, the management target device 30 transmits the changed configuration information to the two network management devices 10 that are redundantly installed. 10 notifies the _a, because the configuration information for both the network management apparatus 10, 10 _a on the basis of this notification is updated, because the network administrator to match the configuration information in both the network management apparatus 10, 10 _a It does not require special work. Therefore, it is possible to easily configure a highly reliable configuration information management method for a network management device including a plurality of network management devices having redundancy.

(Second Embodiment) A configuration information management method of a network management device according to a second embodiment of the present invention will be described.
The configuration of the configuration information management method of the network management device of the present embodiment is as follows:
The configuration is similar to that of the first embodiment shown in FIG.

In the configuration information management method of the network management device according to the first embodiment shown in FIG. 1, the managed device 30 transmits the changed control configuration information to the network management device 10 and the network management device 10 _a.
Was informed of both. However, the present embodiment, the network management apparatus 10, 10 _a is, the modified control for configuration information from the managed device 30 is notified, in which to notify the other network management device.

Next, the operation of this embodiment will be described with reference to FIG.

First, the management target device 30 is the network management device 10
(J), the internal processing performs the same operation as the operation of the first embodiment, and then the control is changed to only the network embedding apparatus 10 that has issued the configuration information change request. The configuration information is notified (K). In the network management device 10, when the information control unit 12 confirms that the configuration information has been normally changed in the management target device 30, the information control unit 12 updates the configuration information in the information storage unit 13 and changes the information input / output unit 11 notifies the change of the configuration information of the managed device 30 to the network administrator via the data communication control unit 14 and the data over to the modified control configuration information to another network management apparatus 10 _a communication network 20 (L).

[0065] In the network management apparatus 10 _a, the information control section 12
_a is, updates the configuration information of the information storage unit 13 _a based on the control configuration information relayed through the network management apparatus 10, the configuration information of the information input and output portion 11 via the _a management network manager device 30 Notify of changes.

Thus, the managed device 30 transmits the changed configuration information to the network management device 10 only once,
Since the configuration information of the network management apparatus 10 and the network management apparatus 10 _a both network management device can be matched, it is possible to reduce the load on the data communication management device 30.

(Third Embodiment) A configuration information management method of a network management device according to a third embodiment of the present invention will be described.

The configuration of the configuration information management system of the network management apparatus of the present embodiment is the same as that of the first embodiment shown in FIG.

In this embodiment, the control configuration information storage unit 33 of the management target device 30 has a function of storing the version number of the configuration information used in the own device. Further, each of the network management apparatus 10, 10 _a of the information storage section 13 and 13
_“a” has a function of storing the stored version number indicating the order in which the configuration information of the managed device 30 was created or the time at which the configuration information was created.

Next, the operation of this embodiment will be described with reference to FIG.

First, the management target device 30 is the network management device 10
(J), the internal processing is performed by the same operation as that of the first embodiment, and only the version number of the changed configuration information is transmitted to the network management devices 10 and 1.
_0A is notified (M).

The network management device 10 checks the version number of the notified configuration information with the version number of the configuration information of the management target device stored in the information storage unit 13. If there is a difference between them, Then, the information control unit 12 transmits the latest configuration information transmission request to the managed device 30 (N).

Upon receiving the latest configuration information transmission request from the network management device 10, the management target device 30 notifies the network management device 10 of the changed configuration information (Q).

[0074] On the other hand, the network management apparatus 10 _a, is collated with the version number of the managed device 30 configuration information stored in the version number and the information storage section 13 _a of the notified configuration information, between them If differences no information control unit 12 _a transmits the latest configuration information delivery required notification to the managed device 30 (P).

[0075] managed device 30, upon receiving the latest configuration information sending unnecessary notification from the network management device 10 _a, the network management device 1
0 _a a does not notify of the changed control configuration information.

[0076] Thus, the managed device 30, it is sufficient only sends configuration information to the network management equipment in need of configuration information that has changed, the network management apparatus 10 and the network management apparatus 10 _a both network management The load on the data communication of the managed device 30 for matching the configuration information in the device can be reduced, and the amount of data passing through the data communication network 20 can be reduced.

[0077] In this embodiment, in the first embodiment has been described with the case of notifying the version number when notifying the configuration information from the managed device 30 to the network management apparatus 10, 10 _a, a The same can be applied to the second embodiment.

(Fourth Embodiment) Next, a configuration information management system of a network management apparatus according to a fourth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same numbers as those in FIG. 1 indicate the same components.

Referring to FIG. 4, the fourth embodiment of the present invention is different from the first embodiment in that the managed device 30 is replaced by a managed device 230.

The managed device 230 is the managed device 30
However, a local input / output device 50 is added to the data communication control unit 31.

[0081] local input device 50 is installed in the same location as usual managed device 230, information input means and the network from the network administrator with respect independently managed device 230 to the network management device 10 or 10 _a Provides information display means to the administrator.

In this embodiment, in addition to the functions described in the first embodiment of FIG. 1, the network administrator can use the local input / output terminal 50 to perform maintenance operation of the managed device 230. . For example, when the network administrator inputs a configuration information change instruction to the local input / output device 50, the configuration change information is transmitted from the local input / output device 50 to the managed device 230. When receiving the configuration change information, the control configuration information control unit 32 of the management target device 30 changes the contents of the control configuration information storage unit 33 according to the configuration change information, and notifies the local configuration that the configuration information change has been completed. Output device 50
Notify to Further control configuration information control unit 32 notify the control configuration information that has changed network management device 10 and the network management apparatus 10 _a. In the network management device 10 and the network management device 10 _a , as in the operation of the first embodiment, the information control units 12 and 12 _a respectively transmit information based on the changed control configuration information received from the managed device 230. with changing the contents of the memory unit 13 and 13 _a, by displaying the change on the display means of the information input and output unit 11 and 11 _a, the network 1 and the managed device 230
Notify the network administrator that the configuration information has been updated.

In this embodiment, even when the configuration information of the managed device is changed by the local input / output device attached to the managed device, the managed device notifies the changed configuration information to a plurality of network management devices. Since the configuration information in the plurality of network management devices is updated based on this notification, the configuration information in the management target device and the configuration information in the plurality of network management devices can be matched without any special operation.

In this embodiment, the case where the local input / output device 50 is added to the first embodiment has been described. However, the present invention can be similarly applied to the third embodiment.

(Fifth Embodiment) Next, a configuration information management method of a network management apparatus according to a fifth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

This embodiment is different from the first embodiment in that the managed device 30 is replaced by a managed device 330.

The managed device 330 is the managed device 30
A backup file 35 for saving and saving the configuration information stored in the program and control configuration information storage unit 33 in preparation for a software failure.
Having.

When an error occurs in the operation of the software in the managed device 330, the managed device 330 transfers the configuration information saved and saved in the backup file 35 via the control configuration information control unit 32. Means is to load the control configuration information storage unit 33 and initialize the entire managed device 330 to recover from abnormal operation. As described above, when the operation is recovered from the abnormal operation by performing the initial setting based on the configuration information saved and saved in the backup file 35, the control configuration information control unit 32 communicates with the data communication control unit 31. The updated contents of the control configuration information storage unit 33 of the managed device 330 are notified to the network management devices 10 and 10 _a via the network 20. Network management device 10 and network management device 1
_0a , as in the operation of the first embodiment, the information control unit 1
2 and 12 _a change the contents of the information storage units 13 and 13 _a , respectively, based on the changed configuration information received from the managed device 330, and display the change on the display means of the information input / output units 11 and 11 _a. By displaying, the network administrator is notified that the configuration information of the network 1 and the managed device 330 has been updated.

In this embodiment, even when the managed device 330 is initialized based on the backup file 35 having the old configuration information, the managed device 330 stores the changed configuration information in the two network management devices 10, notifies the 10 _a, because the configuration information in based network management apparatus 10, 10 _a in this notification is updated, the configuration information of the managed device 330 and two configuration information of the network management apparatus 10, 10 _a Can be matched without any special work.

In this embodiment, the case where the backup file 35 is added to the first embodiment has been described. However, the present invention can be similarly applied to the second to fourth embodiments.

(Sixth Embodiment) FIG. 6 is a block diagram showing a configuration of a configuration information management system of a network management device according to a sixth embodiment of the present invention.

This embodiment is a more specific configuration of the first embodiment described above.

In FIG. 6, the network management device 110 is connected to the exchange 130 via the data communication network 20.
The network management device 110 is provided with a workstation 111 for providing information input / output means from a network administrator, and a server 112 and a communication control device 114 are connected via a local area network 115.

In the present embodiment, the configuration information is
The information is stored in the storage circuit in the
It is executed by software stored in. Network management device 110 _a is intended to be installed to provide redundancy in order to increase the reliability of the network management apparatus, the network management equipment 110
Is connected to the exchange 130 via the data communication network 20. The network management device 110 _a
The configuration is exactly the same. Number of each element constituting the network management device 110 _a is displayed subjected to _a to the number of the elements constituting the network management device 110.

[0095] On the other hand, the switch 130, OM processor 132 is connected to the network management equipment 110 and 110 _a via the data communication controller 131 and the data communication network 20. The exchange 130 includes a call processor 141 for controlling connection between a trunk 144 connected to a public network 145 and a subscriber 143 via a switch 142. The maintenance operation processor 132, the call processing processor 141, and the switch 142 are connected to the inter-device bus 14.
6 are connected. The configuration information of the exchange 30 is
Depending on the function, the information is distributed and stored in the storage circuits of the maintenance operation processor 132 and the call processing processor 141, and the failure state and the operation state of the device are stored in the maintenance operation processor
32 is held in a storage circuit. The maintenance operation processor 132 has an input / output control device 136 and has a communication function with the magnetic tape 135 and the workstation 150. The processing program and the configuration information of the exchange 130 are saved and saved as backup files on the magnetic tape 135 as necessary. When using the workstation 150, the network administrator needs to log in to the maintenance management memory in the maintenance operation processor 132, and logs out after use. When the workstation 150 is logged in, the notified configuration information is displayed to notify the network administrator. If the workstation 150 is logged out, the notified configuration information is
0 and is displayed when logged in and notified to the network administrator.

The operation of this embodiment will be described in chronological order with reference to FIG. In the exchange 130, a backup file of the program and the configuration information is created at 1:00 am every day, and the configuration information is changed during the daytime.

At 1:00 a.m. (A) on February 10, the maintenance and operation processor 132 transfers the program and configuration information stored in the call processor 141 to the inter-device bus 146.
, And recorded as a backup file U on the magnetic tape 135 via the input / output device 136, including the program and configuration information stored in the maintenance operation processor 132.

Thereafter, at 1:45 pm (B), the network management device 110 sends the magnetic tape 135 _a as the configuration change information X.
Has been transmitted to the maintenance and operation processor 132. The maintenance operation processor 132 is connected to the data communication network 20.
And it determines that the communication control device 131 the configuration change information received via X (expansion of the magnetic tape 135 _a) is one that was sent to the maintenance operation processor 132, the memory circuit in the OM processor 132 Configuration change information X
(Expansion of the magnetic tape 135 _a) has accumulated. When changing the configuration information, operation and maintenance processor 132 via the communication control device 131 and the data communication network 20, configuration change information X to change the requesting network management device 110 (expansion of the magnetic tape 135 _a) report not only reported the configuration changes to the network management device 110 _a data X (expansion of the magnetic tape 135 _a).

In the network management device 110, the communication control device 11
4 (the magnetic tape 135)
_a ), the configuration information stored in the storage circuit of the server 112 is updated, and the added magnetic tape 135 is updated.
The information of _a is now displayed on the workstation 111. Similarly, in the network management device 110 _a, on the basis of the configuration change information received via the communication control device 114 _a X (expansion of the magnetic tape 135 _a), the configuration information stored in the memory circuit of the server 112 _a is updated, information added to the magnetic tape 135 _a is now displayed on the workstation 111 _a. And the maintenance operation processor 1
32 notifies the workstation 150 of the change in the configuration information.

At 11:38 pm (C), the maintenance and operation processor 132 received the failure information of the trunk 144 via the call processor 141 and the inter-device bus 146. The maintenance operation processor 132 is a communication control device 1
31 and the network management device 11 via the data communication network 20
0 and to 110 _a reported failure of the trunk 144.
The network management device 110, based on the failure information of the trunk 144 received via the communication control device 114,
The configuration information stored in the second storage circuit is updated, and the failure of the trunk 144 is displayed on the workstation 111. Similarly, in the network management device 110 _a, the communication control device 1
Based on the failure information trunk 144 received via the 14 _a, configuration information stored in the memory circuit of the server 112 _a are updated, the fault of the trunk 144 is displayed on the workstation 111 _a. Then, the maintenance operation processor 132 notifies the workstation 150 of the failure of the trunk 144.

At 1:00 a.m. (D) on February 11, the maintenance operation processor 132 executes the program and configuration change information X (magnetic tape) stored in the maintenance operation processor 132 and the call processor 141 in the same manner as the previous day. 135
_The configuration information in which “a” was inserted was recorded as a backup file V on the magnetic tape 135.

Thereafter, at 10 am (E), the network management device 1
10 additional instructions trunk 144 _a as configuration change information Y from _a is sent to the call processor 141. OM processor 132, the data communication network 20 and the communication control device 131 configured to receive via the change information Y (expansion trunk 144 _a) is determined to be one that is sent to the call processor 141, device Bus 1
46, the configuration change information Y is sent to the call processor 141.
It was notified of the (trunk 144 _a expansion of). Call processor 141 is configured to accumulate the configuration change information received Y (additional trunk 144 _a) in the memory circuit therein,
Configuration information configuration change information Y (expansion trunk 144 _a)
Was reported to the maintenance and operation processor 132 via the inter-device bus 146. Upon receiving this report, the operation and maintenance processor 132 via the communication control device 131 and the data communication network 20, configuration change information Y (trunk 144 _a extension of) the change requesting network management device 110 _a
Not only report the reported configuration changes to the network management equipment 110 information Y (expansion trunk 144 _a).

[0103] In the network management device 110 _a, the communication control device 1
14 configuration change information received via the _a Y (trunk 14
Based on 4 _a extension of) the configuration information stored in the memory circuit of the server 112 _a is updated, added that trunk 144
information _a is now displayed on the workstation 111 _a. Similarly, the network management device 110 receives the configuration change information Y (trunk 1) received via the communication control device 114.
Based on 44 _a extension of) the configuration information stored in the memory circuit of the server 112 is updated, expanded by trunk 14
4 information _a is now displayed on the workstation 111. Then, the maintenance operation processor 132 communicates with the workstation 150 via the input / output control device 136.
Perform additional notification trunk 144 _a relative, because the network administrator at this time was logged in to the workstation 150, expansion of the trunk 144 _a by a display unit which is not described in the figure on the workstation 150 mesh Notified to administrator.

At 10:00 pm (F) on February 11, a serious abnormality occurred in the software of the maintenance operation processor 132 and the call processing processor 141, and the program and configuration information stored in the backup file were maintained and operated. After loading into the processor 132 and the call processor 141, it is necessary to initialize the entire switch 30.

A circuit operated by hardware logic in the maintenance operation processor 132 incorporates a program transfer function from the latest backup file V stored on the magnetic tape 135 via the input / output control device 136, and 132 and the call processor 141. The maintenance operation processor 132 incorporating the program transfer function controls the latest backup file V stored on the magnetic tape 135 by software control.
Programs and configuration change information that is used by the operation and maintenance processor 132 and call processor 141 from X (extension of the magnetic tape 135 _a) incorporating the configuration information is folded. OM processor 132 is configured to accumulate the configuration information programs and configuration change information used by the own processor X (expansion of the magnetic tape 135 _a) is folded in the storage circuit, a program used by the call processor 141 And the configuration information to the call processor 141 via the inter-device bus 146. The call processor 141 has stored the programs and configuration information used by the processor itself in its storage circuit.

At 10:15 pm (G), the exchange 30 changes the program and configuration change information X (magnetic tape 135) stored in the backup file V.
_a extension of) has recovered its function based on the configuration information being folded.

When the function of the exchange 30 is restored, the maintenance operation processor 132 sends the network management devices 110 and 110 _a via the communication control device 131 and the data communication network 20.
To the control configuration information in the exchange 30. In the network management device 110, based on the configuration information received via the communication control device 114, the trunk 14 added with the configuration change information Y from the configuration information stored in the storage circuit of the server 112.
4 display _a is deleted, the information of the deleted trunk 144 _a is no longer displayed on the workstation 111. Similarly, in the network management device 110 _a, the communication control unit 11
Based on the configuration information received over the 4 _a, the server 112 _a
Display trunk 144 _a that is expanded in the configuration change information Y from the stored configuration information in the memory circuit of is deleted, the trunk 144 _a information workstation 11 deleted
No longer appear on the 1 _a.

Then, the maintenance operation processor 132 notifies the workstation 150 of the change of the configuration information.

[0109] backup is on the stored configuration information to a file V configuration change information Y (expansion of the trunk 144 _a)
Since not folded, in order to return the switch 130 to catastrophic software failure occurred prior state of 10 pm, it is necessary configuration information based on the configuration change information Y (expansion trunk 144 _a) is folded.

The administrator who has been recovering the function of the exchange at the place where the exchange 130 is installed is requested at 10:30 pm (H).
Workstation 150 provided in the exchange 130
After log in, enter the configuration change information Y (expansion trunk 144 _a) again. Configuration change information Y (trunk 14
4 _a extension of) were notified via the input-output control unit 136 to the OM processor 132. The maintenance operation processor 132 transmits the received configuration change information Y (the trunk 144 _a
Is determined to have been sent to the call processor 141, the configuration change information Y (the trunk 14) is transmitted to the call processor 141 via the inter-device bus 146.
4 _a expansion of) was notified of the. The call processor 141 includes:
The received configuration change information Y (expansion trunk 144 _a) with accumulated in the memory circuit therein, the inter-device bus 146 that the configuration information has been updated on the basis of the configuration change information Y (expansion trunk 144 _a) Reported to the maintenance and operation processor 132 via

[0111] Upon receiving this report, the operation and maintenance processor 132, not only reported that the configuration change information Y to change the requesting workstation 150 (expansion of the trunk 144 _a) is stored in the call processor 141 , via the communication control device 131 and the data communication network 20, it reported the configuration information that has changed to the network management device 110 and 110 _a. In the network management device 110, based on the configuration information received via the communication control device 114, the server 11
Configuration information stored in the second storage circuit is updated, the trunk 144 _a workstation 111 which has been expanded again
It is now displayed above.

[0112] Similarly, in network management device 110 _a, based on the configuration information received via the communication control device 114 _a, the configuration information stored in the memory circuit of the server 112 _a is updated, the trunk 144 added again _a There was to be displayed on the workstation 111 _a. In this way, the switch 30, the network management equipment 110 and 110 _a are now running configuration information catastrophic software failure occurred shortly before 10 pm.

(Seventh Embodiment) A configuration information management method of a network management apparatus according to a seventh embodiment of the present invention will be described with reference to FIG.

In this embodiment, a plurality of network management apparatuses 10 and 10 _a are connected to one management target apparatus 30 via _a dedicated line 21. Also in the configuration of the present embodiment, the operations related to the network management device and the management target device described in the first to fifth embodiments are performed in exactly the same procedure.
An equivalent effect can be obtained.

(Eighth Embodiment) A configuration information management method of a network management apparatus according to an eighth embodiment of the present invention will be described with reference to FIG.

In the present embodiment, one network management device 10 is connected to a plurality of managed devices 30 via a dedicated line 21. In the configuration of the present embodiment, the notification of the configuration information changed by the managed device 30 is sent from the managed device 30 to only one network management device 10. Also in the present embodiment, by the operation related to the network management device and the management target device described in the first to fifth embodiments,
The configuration information in the management target device and the configuration information in the network management device can be matched without any special operation.

[0117]

As described above, the present invention has the following effects. (1) Even when a plurality of network management devices are provided for redundancy, there is no inconsistency in the stored configuration information between the network management device and the managed device, so that highly reliable network management is performed. An apparatus configuration information management method can be provided. (2) Even if a local input / output device independent of the network management device is additionally installed in the managed device, the same configuration information is accumulated between the network management device and the managed device, which is convenient. It is possible to provide a managed device having a highly reliable maintenance operation function. (3) When a backup file is provided in the managed device, even in the case of a serious software failure,
Initialization of the managed device after uploading the configuration information in the backup file enables recovery from failures, enabling the network administrator to manage the managed device without having to pay attention to the initialization of the managed device. The reliability of the device can be improved.

[Brief description of the drawings]

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

FIG. 2 is a sequence diagram illustrating a method for transferring configuration information between network management apparatuses for explaining a network management apparatus according to a second embodiment of the present invention.

FIG. 3 is a sequence diagram illustrating a method for transferring configuration information between network management devices for explaining a network management device according to a third embodiment of the present invention.

FIG. 4 is a block diagram illustrating a configuration of a configuration information management method of a network management device according to a fourth embodiment of the present invention.

FIG. 5 is a block diagram illustrating a configuration of a configuration information management method of a network management device according to a fifth embodiment of the present invention.

FIG. 6 is a block diagram illustrating a configuration of a configuration information management method of a network management device according to a sixth embodiment of the present invention.

FIG. 7 is a sequence diagram described in chronological order for explaining the operation of the configuration information management method of the network management device of FIG. 6;

FIG. 8 is a block diagram showing a configuration of a configuration information management method of a network management device according to a seventh embodiment of the present invention.

FIG. 9 is a block diagram showing a configuration of a configuration information management method of a network management device according to an eighth embodiment of the present invention.

FIG. 10 is a block diagram showing a configuration of a configuration information management method of a conventional network management device.

[Explanation of symbols]

1 network 10, 10 _a, 10 _n network management apparatus 11, 11 _a data input-output unit 12, 12 _a information control unit 13, 13 _a data storage unit 14, 14 _a data communication control unit 17 the information input and output unit 20 data communication Network 21 dedicated line 30 managed device 31 data communication control unit 32 control configuration information control unit 33 control configuration information storage unit 34 operation information storage unit 35 backup file 50 local input / output device 110, 110 _a network management device 111, 111 _a work station 112, 112 _a server 114, 114 _a communication control device 115, 115 _a local area network 130 switch 131 communication control unit 132 OM processor 135 and 135 _a magnetic tape 141 call processor 142 switches 143 subscriber 144, 144 _a trunk 145 Shu network 146 inter-device bus 150 workstations 210, 210 _a network management apparatus 230 managed devices 330 managed device 430 managed devices

Claims (9)

[Claims] In a configuration information management system for a network management device, comprising: a plurality of managed devices; and a plurality of network management devices for managing the plurality of managed devices, wherein each of the managed devices is an own device. A control configuration information storage unit in which configuration information for controlling the configuration is stored; and when a configuration information change instruction is transmitted from one of the plurality of network management devices, the control configuration information A control configuration information control unit that changes the storage content of the storage unit according to the transmitted configuration information change instruction, and notifies the changed configuration information to each of the network management devices. An information storage unit configured to store configuration information of each managed device; an information input / output unit configured to display configuration information of each managed device and to input an instruction to change the configuration information of each managed device; Depending on the input / output unit When an instruction to change the configuration information for a certain managed device among the plurality of managed devices is input, the change instruction is notified to the corresponding managed device, and the changed configuration information is received from the managed device. An information control unit for updating the storage content of the configuration information stored in the information storage unit and displaying the updated configuration information on the information input / output unit. method. 2. In a configuration information management method for a network management device including a plurality of managed devices and a plurality of network management devices that manage the plurality of managed devices, each of the managed devices includes: A control configuration information storage unit in which configuration information for controlling the configuration is stored; and when a configuration information change instruction is transmitted from one of the plurality of network management devices, the control configuration information A control configuration information control unit that changes the storage content of the storage unit in accordance with the transmitted configuration information change instruction, and notifies the changed configuration information to the network management device that has output the configuration information change instruction, Each network management device includes an information storage unit configured to store configuration information of each of the managed devices, and information for displaying configuration information of each of the managed devices and inputting an instruction to change the configuration information of each of the managed devices. Input / output unit When the information input / output unit receives an instruction to change configuration information for a certain managed device among the plurality of managed devices, the change instruction is notified to the corresponding managed device, and When the changed configuration information is received, if the received configuration information includes the changed configuration information based on the instruction, the received configuration information is notified to another network management device, and stored in the information storage unit. An information control unit for updating the storage content of the configuration information that is present and displaying the updated configuration information on the information input / output unit. 3. A network management apparatus configuration information management system comprising a plurality of managed apparatuses and a plurality of network management apparatuses managing the plurality of managed apparatuses, wherein each of the managed apparatuses is an own apparatus. A control configuration information storage unit in which configuration information for controlling the configuration and a version number for indicating the order of creation or the time of creation of the configuration information are stored; and When the configuration information change instruction is transmitted from one of the network management units, the storage contents of the control configuration information storage unit are changed in accordance with the transmitted configuration information change instruction, and the version number of the changed configuration information is changed by each of the network management units. A control configuration information control unit that notifies the network management device that issued the transmission request the changed configuration information when there is a request for transmission of the configuration information from each of the network management devices. Wherein each of the network management devices comprises: An information storage unit configured to store configuration information of each managed device and a version number of the configuration information; and information for displaying configuration information of each managed device and inputting an instruction to change the configuration information of each managed device. An input / output unit, when a configuration information change instruction for a certain managed device among the plurality of managed devices is input by the information input / output unit, notifies the change instruction to the corresponding managed device, When receiving the version number of the configuration information from the management target device, the configuration information is compared with the version number of the configuration information stored in the information storage unit. If the result is a match, the managed device is notified that the transmission of the configuration information is unnecessary, and upon receiving the configuration information from the managed device, the storage content of the configuration information stored in the information storage unit is deleted. Configuration information management method of the network management system, characterized in that it comprises an information control section for displaying the configuration information updated with the new to the information input and output unit. 4. A configuration information management method for a network management device including a plurality of managed devices and a plurality of network management devices for managing the plurality of managed devices, wherein each of the managed devices is an own device. A configuration information storage unit for storing configuration information for controlling the configuration of the device and a version number of the configuration information, and a configuration information change instruction transmitted from one of the plurality of network management devices. And changing the storage content of the control configuration information storage unit in accordance with the transmitted configuration information change instruction, notifying the network management device that has output the configuration information change instruction of the version number of the changed configuration information, And a control configuration information control unit for notifying the changed network configuration information to the network management device that has issued the transmission request when each network management device requests transmission of the configuration information. Is the configuration of each managed device An information storage unit that stores information and a version number of the configuration information; an information input / output unit that displays configuration information of each of the managed devices and inputs a change instruction of the configuration information of each of the managed devices; When an information input / output unit inputs a configuration information change instruction for a certain managed device among the plurality of managed devices, the change instruction is notified to the corresponding managed device, and the configuration information is sent from the managed device. When the version number is received, the configuration information is compared with the version number of the configuration information stored in the information storage unit.If the result of the comparison does not match, a request for transmission of the configuration information to the management target device is made. Notifying the managed device that the transmission of the configuration information is unnecessary, and receiving the configuration information from the managed device, if the received configuration information includes the configuration information changed based on the instruction, receiving the received configuration information. And an information control unit for notifying the other network management device of the changed information, updating the storage content of the configuration information stored in the information storage unit, and displaying the updated configuration information on the information input / output unit. A configuration information management method for a network management device, characterized in that: 5. The management target device has a local input / output device to which a configuration information change instruction can be input, and the control configuration information control unit controls the configuration information change instruction by the local input / output device. Is input, the storage contents of the control configuration information storage unit are changed in accordance with the input configuration information change instruction, and the changed configuration information or the version number of the changed configuration information is notified to each of the network management devices. A configuration information management method for a network management device according to claim 1. 6. The management target device has a backup file for saving and saving the configuration information stored in the control configuration information storage unit, and the control configuration information control unit When set, the configuration information stored in the backup file is read out, and after updating the configuration information stored in the control configuration information storage unit, the configuration information or the version number of the configuration information is updated in each network management. 6. The configuration information management method for a network management device according to claim 1, wherein a change of the device or the configuration information is notified to a network management device that outputs the change. 7. The information input / output unit, when the configuration information is updated by the information control unit, changes the currently displayed information to the configuration information before the change without changing the display content. 7. An indication that the operation is being performed on the basis of the request.
The configuration information management method for a network management device according to any one of the preceding claims. 8. A control configuration information storage unit for storing configuration information for controlling the configuration of its own device; a local input / output device capable of inputting a configuration information change instruction; When a configuration information change instruction is input by the device, the storage contents of the control configuration information storage unit are changed in accordance with the input configuration information change instruction, and the changed configuration information is transmitted to each managed network management device. A managed device having the control configuration information control unit for notifying. 9. A control configuration information storage unit in which configuration information for controlling the configuration of the own device is stored, and a configuration information saving and storing unit that stores configuration information stored in the control configuration information storage unit. A backup file and, when initialized, read the configuration information stored in the backup file and update the configuration information stored in the control configuration information storage unit. A managed device having a control configuration information control unit for notifying the network management device.