A network switching device for state awareness

Abstract

The application relates to a network switching device for state sensing, belonging to the field of device health management. The network switching device comprises a main processor, a monitoring module and a switching chip. The monitoring module is used for collecting health management information on the network switching device, sending the collected health management information to the main processor, and providing an independent monitoring network port to the outside. The switching chip is connected with the main processor through a PCIE bus and a 1000BASE-X, and is used for sending network state information to the main processor. Meanwhile, the switching chip is connected with an interface module to form two service network ports. External devices use an SNMP protocol to real-time acquire information on MIB nodes through the service network ports and the switching chip, and the monitoring module provides an independent monitoring network port to the outside, and sends health management information to external devices connected to the independent monitoring network port in an IPMI standard protocol format. The application improves the state management and maintenance capability of the network switch.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of device health management, and particularly relates to a network switching device for state perception. BACKGROUND

[0002] The network switching device plays a vital role in network communication, and is the center of data exchange, and realizes two-layer or three-layer switching and communication between devices. The network switching device is usually logged in to the main system of the switching device through a management network port or a service network port in a telnet remote login, SSH remote login, WEB webpage access and the like, so as to query network state or configuration protocol parameters. This configuration management method needs network maintenance personnel to carry out remote login operation, and cannot feedback the network state of the network switching device in real time. Meanwhile, if the switching device fails (for example, the main system starts abnormally), remote login cannot be carried out at this time, and the fault point cannot be quickly judged, such as power supply failure, main processor failure or external environment abnormality, and the fault cannot be quickly located. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The technical problem to be solved by the present application is how to provide a network switching device for state perception, so as to solve the problem that the network switching device cannot quickly locate the fault when remote login cannot be carried out.

[0005] (II) Technical scheme

[0006] In order to solve the above technical problem, the present application provides a network switching device for state perception, which comprises a main processor, a monitoring module and a switching chip.

[0007] The monitoring module is used for collecting health management information on the network switching device, including voltage, current and temperature at all levels, and the monitoring module is connected with the main processor through an RS232 serial port, and sends the collected health management information to the main processor. The monitoring module simultaneously provides an independent monitoring network port to the outside.

[0008] The switching chip is connected with the main processor through a PCIE bus and a 1000BASE-X, and is used for sending network state information to the main processor. Meanwhile, the switching chip is connected with the interface module to form two service network ports.

[0009] The main processor is used for receiving health management information through the RS232, acquiring network state information through the PCIE bus, and then adding the health management information and the network state information to the MIB node running on the SNMP protocol of the main processor. The main processor provides an management network port to the outside.

[0010] The external device obtains information on the MIB node in real time through the service network port, the switching chip and the SNMP protocol, and the monitoring module provides one independent monitoring network port to the outside, and sends health management information to the external device connected to the independent monitoring network port in the IPMI standard protocol format.

[0011] (III) Beneficial Effects

[0012] The application provides a network switching device for state awareness, and an external computer connected to a service port of the network switching device can obtain the state of the network switching device in real time through SNMP. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The figure is a structural diagram of the network switching device. DETAILED DESCRIPTION

[0014] In order to make the purpose, content and advantages of the application clearer, the specific embodiments of the application are further described in detail below in combination with the drawings and examples.

[0015] The application relates to a network switching device for state awareness, which is used for obtaining the network state in real time, and developing health assessment and fault diagnosis work.

[0016] The application aims to provide a network switching device for state awareness, which is used for solving the problems of the prior art.

[0017] The network switching device comprises a main processor, a monitoring module and a switching chip.

[0018] The monitoring module is used for collecting health management information on the network switching device, and comprises various voltages, currents and temperatures.

[0019] The switching chip is used for sending the network state information to the main processor, and is connected to the interface module to form two service network ports.

[0020] The main processor is used for receiving health management information through RS232, obtaining network state information through PCIE bus, and then adding the health management information and the network state information to the MIB node of the SNMP protocol running on the main processor; the main processor provides one management network port to the outside;

[0021] The external device obtains the information on the MIB node in real time through the service network port and the switching chip using the SNMP protocol, and the independent monitoring module provides one independent monitoring network port to the outside, and sends the health management information to the external device connected to the independent monitoring network port in the IPMI standard protocol format.

[0022] Embodiment 1:

[0023] The main processor selects Loongson 2K1000, which is the center of system software running, and realizes functions such as system configuration, system management, resource calling, operation and maintenance, network management, network configuration, etc. It provides one management network port to the outside for configuration management of the switching device, one RS232 serial port for communication with the monitoring module, one PCIe interface for control management of the switching chip, and one 1000BASE-X for communication with the switching chip.

[0024] The Loongson Linux embedded operating system runs on the main processor, which is used as a basic platform to realize booting of the software system, chip driver and protocol module configuration, including configuration of the MIB node of the health management information and the network state, and real-time reporting through the service network port using the SNMP protocol.

[0025] The management network port, the service network port and the independent monitoring network port can all be connected to an external management computer. The external management computer can obtain the health management and network state information through the service network port using the SNMP protocol, or obtain the health management information through the independent monitoring network port using the IPMI protocol. The management network port is a traditional configuration interface, and the external management computer can remotely log in to the network switching device in the TELNET mode through the management network port.

[0026] The switching chip is responsible for the exchange of two-layer and three-layer data of the whole switching, and has a high-speed switching logic unit embedded therein to realize line-speed forwarding function.

[0027] The network switching device further comprises an interface module, a clock module and an on-board power supply module.

[0028] The clock module is used to generate clock sources of various frequencies for the switching chip and the main processor.

[0029] The on-board power supply module is used to generate various DC voltages required by the network switching device.

[0030] Interface module, for completing data encoding / decoding, string-parallel conversion, signal driving and other work, supporting speed self-negotiation function, the interface module includes: CTC21108 and 10G optical module, the Serdes bus on the switching chip is converted into 1000BASE-T interface through CTC21108, and is converted into gigabit optical interface through 10G optical module.1000BASE-T interface and gigabit optical interface are all service network interfaces capable of external data exchange.

[0031] The monitoring module adopts GD32F407, mainly completes voltage, current, temperature and other data acquisition, transmits health management information to the main processor through the serial port, and simultaneously has a independent monitoring network interface for reporting health management information.

[0032] The information format reported by the independent monitoring network interface adopts IPMI protocol format, and the main reported information is as follows:

[0033] a) voltage: input voltage 12V, output 1.0V, 1.2V, 1.8V, 2.5V, 3.3V voltage;

[0034] b) temperature: main processor working temperature, switching chip working temperature, switching device environment temperature;

[0035] c) current: input current, output 1.0V, 1.2V, 1.8V, 2.5V, 3.3V voltage current;

[0036] c) whether the operating system is in working state (achieved through heartbeat message);

[0037] The information format reported by the service network interface adopts SNMP protocol, and the main reported information is as follows:

[0038] Port state: port rate, connection state, received message number, received packet loss number, received error packet number, sent message number, sent packet loss number, sent error packet number, port VLAN state;

[0039] Vlan: port VLAN state, VLAN management IP;

[0040] Routing forwarding: routing table state;

[0041] Spanning tree: port forwarding state, spanning tree protocol;

[0042] Resource occupation: CPU usage, memory usage;

[0043] Voltage: input voltage 12V, output 1.0V, 1.2V, 1.8V, 2.5V, 3.3V voltage;

[0044] Temperature: main processor working temperature, switching chip working temperature, switching device environment temperature;

[0045] Current: input current, output current of 1.0V, 1.2V, 1.8V, 2.5V, 3.3V voltage, etc.

[0046] Standard FRU data, including manufacturer name, product model, production date, serial number and other information.

[0047] The application provides a network switching device for state sensing, an external computer connected on a service port of the network switching device can obtain the network switching state in real time through SNMP, and when a main processor or a switching chip in the core of the switching device works abnormally, health management information can be obtained through independent monitoring of the network port.

[0048] The above only describes the preferred embodiments of the present application, and it should be noted that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A network switching device for state awareness, characterized by, The network switching device comprises a main processor, a monitoring module and a switching chip; The monitoring module is used for collecting health management information on the network switching device, including voltage, current and temperature at various levels, and the monitoring module is connected with the main processor through an RS232 serial port to send the collected health management information to the main processor; the monitoring module simultaneously provides an independent monitoring network port to the outside; The switching chip is connected with the main processor through a PCIE bus and a 1000BASE-X to send network status information to the main processor; meanwhile, the switching chip is connected with the interface module to form two service network ports; The main processor is used for receiving health management information through the RS232 and obtaining network status information through the PCIE bus, and then adding the health management information and the network status information to MIB nodes running on the main processor under the SNMP protocol; the main processor provides an management network port to the outside; An external device adopts the SNMP protocol to obtain information on the MIB nodes in real time through the service network port and the switching chip, and the monitoring module provides an independent monitoring network port to the outside to send health management information to the external device connected to the independent monitoring network port in the IPMI standard protocol format; The monitoring module adopts a GD32F407 to complete voltage, current and temperature data collection, and transmit health management information to the main processor through a serial port, and simultaneously has an independent monitoring network port to report health management information; The network switching device further comprises an interface module, a clock module and an on-board power supply module; the clock module is used for generating clock sources of various frequencies for the switching chip and the main processor; the on-board power supply module is used for generating various direct current voltages required by the network switching device; and the interface module is used for completing data encoding / decoding, serial-parallel conversion and signal driving work, and supports speed self-negotiation. The interface module comprises a CTC21108 and a 10G optical module; a Serdes bus on the switching chip is converted into a 1000BASE-T interface through the CTC21108 and converted into a 10G optical interface through the 10G optical module; and the 1000BASE-T interface and the 10G optical interface are both service network ports capable of exchanging data to the outside. The switching chip adopts a CTC7132, which is responsible for the exchange of two-layer and three-layer data of the whole switching, and has a high-speed switching logic unit embedded therein to realize line-speed forwarding function.

2. The network switching device for state awareness as recited in claim 1, wherein, The main processor selects a Loongson 2K1000, provides one management network port to the outside for configuration management of the switching device, communicates with the monitoring module through one RS232 serial port, uses one PCIe interface for control management of the switching chip, and uses one 1000BASE-X for communication with the switching chip.

3. The network switching device for state awareness as recited in claim 1, wherein, The Loongson looggnix embedded operating system is run on the main processor as a basic platform to realize booting of a software system, chip driving and protocol module configuration, including configuration of MIB nodes of health management information and network status, and real-time reporting through the service network port by using the SNMP protocol.

4. The network switching device for state awareness as recited in claim 3, wherein, An external management computer remotely logs in the network switching device through the management network port by using the TELNET mode.

5. The network switching device for state awareness as recited in claim 3, wherein, ​ 6. The network switching device for state awareness of any of claims 1-5, wherein, The format of the information reported by the independent monitoring network port adopts the IPMI protocol format, and the reported information includes voltage, temperature, current, and whether the operating system is in a working state.

7. The network switching device for state awareness as recited in claim 6, wherein, The format of the information reported by the service network port adopts the SNMP protocol, and the reported information includes port state, Vlan state, routing table state, port forwarding state, resource occupation, voltage, temperature, current, and FRU data.

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