JPH05252159A - Local area network monitor device - Google Patents

Abstract

PURPOSE:To perform the unitary monitoring of plural local area networks. CONSTITUTION:This device is provided with a network monitoring part 100 equipped with a monitoring side line interface part 107, an operating part 101, a monitoring part 102, a monitoring side memory 104, a monitoring side communication control part 103 which controls data transfer to the monitoring side memory part 104, a monitoring side protocol holding part 106, and a monitoring side line control part 105 which transfers the content of a minitoring instruction to the monitoring side line interface part 107 and stores a monitored result in the monitoring side memory part 104. Also, it is provided with a network connection part 200 equipped with a connection side line interface part 201, a connection side protocol holding part 205, a LAN interface part 206, a connection side memory part 203, a connection side line control part 202 which controls the data transfer to the connection side memory part 203, and a connection side communication control part 204 which transfers the monitoring instruction to the LAN interface part 206 and stores the monitored result in the connection side memory part 203.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a local area network monitoring device for monitoring a plurality of local area networks.

[0002]

2. Description of the Related Art A conventional monitoring device for a local area network (hereinafter abbreviated as "LAN") is shown in FIG.
Will be explained.

FIG. 3 shows a plurality of local area networks 3 using a conventional local area network monitoring device.
It is a system configuration diagram when monitoring 04, 305, and 306.

According to FIG. 3, in order to monitor the local area network 304, the local area network monitoring device 301 is installed in the local area network 304.
Is connected to the local area network 305
Local area network 305 to monitor
A local area network monitoring device 302 is connected to the local area network monitoring device 302, and a local area network monitoring device 303 is connected to the local area network 306 to monitor the local area network 306.

[0005]

In the local area network monitoring system using the conventional local area network monitoring device as described above, the local area network monitoring device connected to each of the plurality of local area networks is operated. There is a problem that a person is needed.

The present invention has been made in view of the problems of the above-mentioned conventional technique, and an object of the present invention is to provide a local area network monitoring device capable of centrally monitoring a plurality of local area networks.

[0007]

SUMMARY OF THE INVENTION The present invention is a local area network monitoring device for monitoring a plurality of local area networks, in which a monitoring side line interface for transmitting and receiving data to and from a communication line is input. An operating section, a monitoring section for analyzing monitoring result data, a monitoring side memory section for storing monitoring instruction contents and monitoring result data from the operating section, the operating section and monitoring section, and the monitoring side memory section A monitoring side communication control section for controlling data transfer between the communication side, a monitoring side protocol holding section holding a communication protocol for the communication line, and a monitoring instruction content stored in the monitoring side memory section, With reference to the protocol, the protocol is converted and transferred to the monitoring side line interface, and in the monitoring side line interface section. A network monitoring unit including a monitoring side line control unit that converts received monitoring result data into processing data by referring to the communication protocol and stores the processing data in the monitoring side memory unit; A connection side line interface unit connected via a communication line and transmitting and receiving data to and from the communication line; and a connection side protocol holding unit holding a communication protocol for the communication line and the local area network,
A network interface unit for transmitting and receiving data to and from each of the plurality of local area networks, and a connection side memory for storing monitoring instruction contents sent from the network monitoring unit and monitoring result data sent from the local area network Section, a connection side line control section for controlling data transfer between the connection side memory section and the connection side line interface section, and a monitoring instruction content stored in the connection side memory section with reference to the communication protocol Then, the protocol is converted and transferred to the network interface unit, and the monitoring result data received by the network interface unit is protocol-converted and stored in the connection side memory unit by referring to the communication protocol. A local communication control unit. And it has a network connection unit corresponding to each network.

[0008]

According to the local area network monitoring apparatus of the present invention, the monitoring instruction input from the network monitoring unit is sent to the network connection unit provided corresponding to the plurality of local area networks via the communication line. As a result, the monitoring instruction is transferred to each local area network, and the monitoring result is captured by the network connection unit and transferred to the network monitoring unit via the communication line. One network monitoring unit can centrally collect monitoring data for a plurality of local area networks.

[0009]

Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a local area network monitoring apparatus of the present invention.

The local area network monitoring apparatus of this embodiment comprises a local area network monitoring unit 100 and a local area network connection unit 200, which are connected to an ISDN line 300.

Local area network monitoring unit 100
Is an operation unit 101 to which a monitoring instruction from the operator is input.
A monitoring unit 102 that analyzes the monitoring result data and notifies the operator, a monitoring communication control unit 103, and a monitoring memory unit 104 that stores the monitoring result data and the monitoring instruction content.
A monitoring side line control unit 105, a monitoring side protocol holding unit 106 holding an ISDN protocol, an ISD
A monitoring side line interface unit 107 having a function of transmitting and receiving data to and from the N line 300 is provided.

The communication control section 103 on the monitor side is an operation section 101.
It also controls data transfer between the monitoring unit 102 and the monitoring-side memory unit 104 and the monitoring-side line control unit 105.

The monitoring side line control unit 105 converts the monitoring instruction content stored in the monitoring side memory unit 104 into a protocol by referring to the ISDN protocol of the monitoring side protocol holding unit 106 and transfers it to the monitoring side line interface 107. Also, the monitoring result data sent from the monitoring side line interface 107 is protocol-converted by similarly referring to the ISDN protocol, and the monitoring side memory unit 10
Write to 4.

Local area network connection unit 200
Is a connection side line interface unit 201 having a function of transmitting and receiving data to and from the ISDN line 300, a connection side line control unit 202, a connection side memory unit 203 for storing monitoring instruction contents and monitoring result data, and a connection. A side communication control unit 204, a connection side protocol holding unit 205 that holds an ISDN protocol and a communication protocol for a local area network, and a LAN interface unit 206 that sends and receives data to and from the local area network are provided.

The connection side line control unit 202 converts the monitoring instruction contents sent from the connection side line interface unit 201 into a protocol by converting the protocol by referring to the ISDN protocol in the connection side protocol holding unit 205. Two
03, and the monitoring result data stored in the connection side memory unit 203 is similarly protocol-converted by referring to the ISDN protocol and sent to the communication side line interface unit 201.

The connection side communication control section 204 controls data transmission between the connection side memory section 203 and the LAN interface section 206. Regarding this data transmission, the monitoring instruction content stored in the connection side memory unit 203 is protocol-converted by referring to the communication protocol, transferred to the LAN interface unit 206, and received by the LAN interface unit 206. The monitoring result data is protocol-converted with reference to the communication protocol and stored in the connection side memory unit 203.

Next, the operation of this embodiment will be described.

First, the operator gives a monitoring instruction to the operation unit 101 of the local area network monitoring unit 100. The given instruction content is processed by the monitoring communication control unit 103 and written in the monitoring memory unit 104. The monitoring-side line control unit 105 reads out the instruction content written in the above-mentioned monitoring-side memory unit 104, and the monitoring-side protocol holding unit 106.
With reference to, the read instruction content is protocol-converted into the ISDN protocol and sent to the monitoring-side line interface unit 107. On the local area network connection unit 200 side, the connection side line interface unit 201 receives the instruction content sent from the local area network monitoring unit 100 via the ISDN line 300. The instruction content received by the connection side line interface unit 108 is protocol-converted by the connection side line control unit 202 with reference to the contents of the communication side protocol holding unit 205, and written in the connection side memory unit 203. The connection-side communication control unit 204 reads the instruction content written in the connection-side memory unit 203 and sends it to the LAN interface unit 206. The LAN interface unit 206 sends the instruction content sent from the connection side communication control unit 204 to the local area network.

Local area network connection unit 200
The monitoring result data fetched from the LAN interface unit 206 is processed by the connection side communication control unit 204 and written in the connection side memory unit 203. The monitoring result written in the connection side memory unit 203 is read by the connection side line control unit 202, the contents of the connection side protocol holding unit 205 are referred to, the protocol is converted, and the result is sent to the connection side line interface unit 201. .. In the local area network monitoring unit 100, the monitoring side data interface unit 107 receives the monitoring result data sent from the local area network connection unit 200 via the ISDN line 300. The monitoring result data received by the monitoring-side line interface unit 107 is protocol-converted by the monitoring-side line control unit 105 with reference to the monitoring-side protocol holding unit 106 and written in the monitoring-side memory unit 104. The monitoring result data written in the monitoring memory unit 104 is read by the monitoring communication control unit 103 and sent to the monitoring unit 102. The monitoring unit 102 processes the monitoring result data provided from the monitoring-side communication control unit 103 and notifies the operator.

Next, a system for monitoring a plurality of local area networks using the above-mentioned local area network monitoring device 100 will be described with reference to FIG.

FIG. 2 is a block diagram showing an example of a network to which the local area network monitoring device of the present invention is connected.

A plurality of local area networks 210A, 210B, 210 in the network shown in FIG.
C is the local area network connection unit 200A of the above-mentioned local area network monitoring device,
200B and 200C are connected, and the local area network connection units 200A, 200B and 200C are connected to the ISDN line 300, respectively. Also,
The local area network monitoring unit 100 of the local area network monitoring device is also connected to the ISDN line 300. By operating the operation unit 101 of the local area network monitoring unit 100 described above, the operator operates the local area network connection units 200A, 200B, 2
It becomes possible to connect the ISDN line 300 to the 00C and monitor the local area networks 210A, 210B and 210C.

[0024]

As described above, according to the present invention, the monitoring data for a plurality of local area networks can be collected by a single network monitoring unit, so that it is configured by a plurality of local area networks. The system can be monitored uniformly and efficiently, the system configuration can be simplified, and the cost can be reduced. In addition, since the operator involved in the local area network monitoring device can deal with the network monitoring section by himself, the labor cost is reduced,
This will lead to further cost reduction.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a local area network monitoring device of the present invention.

FIG. 2 is a block diagram showing an example of a network system using a local area network monitoring device of the present invention.

FIG. 3 is a block diagram showing an example of a network system using a conventional local area network monitoring device.

[Explanation of symbols]

 100 Local Area Network Monitoring Unit 101 Operation Unit 102 Monitoring Unit 103 Monitoring Side Communication Control Unit 104 Monitoring Side Memory Unit 105 Monitoring Side Line Control Unit 106 Monitoring Side Protocol Holding Unit 107 Monitoring Side Line Interface Unit 200 Local Area Network Connection Unit 201 Connection Side Line interface unit 202 Connection side line control unit 203 Connection side memory unit 204 Connection side communication control unit 205 Connection side protocol holding unit 206 LAN interface unit

Claims (1)

[Claims] 1. A local area network monitoring device for monitoring a plurality of local area networks, comprising: a monitoring side line interface for transmitting / receiving data to / from a communication line; an operation unit for inputting a monitoring instruction; and a monitoring result. A monitoring unit that analyzes data, a monitoring-side memory unit that stores monitoring instruction contents and monitoring result data from the operation unit, and data transfer between the operation unit and the monitoring unit and the monitoring-side memory unit A communication control unit for monitoring, a protocol holding unit for monitoring that holds a communication protocol for the communication line, and a monitoring instruction content stored in the memory unit for monitoring, with reference to the communication protocol, protocol conversion is performed. And transfers the monitoring result data received by the monitoring side line interface section to the monitoring side line interface. A network monitoring unit including a monitoring-side line control unit that refers to the communication protocol and converts the processing data into data for storage in the monitoring-side memory unit; and a network monitoring unit connected to the network monitoring unit via the communication line. A connection-side line interface unit that transmits and receives data to and from the communication line; a connection-side protocol holding unit that holds a communication protocol for the communication line and a local area network; A network interface unit for transmitting and receiving data, a connection side memory unit for storing the monitoring instruction content sent from the network monitoring unit and the monitoring result data sent from the local area network, and the connection side memory unit. Data between the connection side line interface section A connection-side line control unit for controlling the transmission, a monitor indicating contents stored in the connection side memory unit, by referring to the communication protocol, and transferred to the network interface unit and a protocol conversion,
Further, the plurality of local areas including a connection side communication control section that stores the monitoring result data received by the network interface section in the connection side memory section by converting the protocol by referring to the communication protocol. A local area network monitoring device having a network connection unit corresponding to each network.