CN111262735B - Network management switching device and method - Google Patents
Network management switching device and method Download PDFInfo
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- CN111262735B CN111262735B CN202010042728.6A CN202010042728A CN111262735B CN 111262735 B CN111262735 B CN 111262735B CN 202010042728 A CN202010042728 A CN 202010042728A CN 111262735 B CN111262735 B CN 111262735B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/15—Backplane arrangements
- H04Q1/155—Backplane arrangements characterised by connection features
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention discloses a network management switching device, which is used in network equipment, and can realize management communication with a controller no matter which main control board is used as a main control board through detecting the network port connection state of the main control board connected to the controller and the main and standby states of the main control board and switching a network management bus by a cross module of a back board. Correspondingly, the invention also discloses a network management switching method. The invention realizes that the network equipment can be externally connected to the controller through only one network port, and realizes the management of the equipment by the controller.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a network management switching apparatus and method.
Background
The current communication equipment is generally set as two main control boards which are redundant with each other to improve the reliability of the system, the main control board and the standby main control board have the same service processing function and store the same service data, and when the main control board in use fails, the standby main control board is switched to use to take over the system, so that the normal operation of the system can be ensured. When the communication device is managed by the controller as a network element device, the communication device needs to provide an external network interface to connect to the controller, and the management of the communication device is realized through the network interface.
In the prior art, both the main control board and the standby control board provide network interfaces connected to the controller, so that when any one of the main control boards is used as the main control board, the controller can manage the devices through the network interfaces. There are generally two implementation solutions: one technical scheme is that a network element device provides a special interface board, and the device selects a main control board to be connected with a controller according to the condition of a main board and a standby board through the interface board; in another technical scheme, network interfaces of the main master control board and the standby master control board are connected to an external two-layer switch, and management of the equipment is realized through the switch.
Disclosure of Invention
In view of this, the present invention provides a network management switching apparatus and method, which enable a network device to be externally connected to a controller through only one network port, so as to implement management of the device by the controller.
In order to achieve the above object, the present invention provides a network management switching device, used in a network device, the device includes a backplane and two main control boards, the two main control boards are respectively inserted in a first slot and a second slot, each main control board includes a processor module and a physical layer module connected to a network port, the backplane includes a cross module, the cross module includes a first data channel, a second data channel, a third data channel and a fourth data channel, wherein the physical layer module of the main control board of the first slot is connected to the first data channel of the cross module through a network management bus, the processor module of the main control board of the first slot is connected to the second data channel of the cross module through a network management bus, the physical layer module of the main control board of the second slot is connected to the third data channel of the cross module through a network management bus, and the processor module of the main control board of the second slot is connected to the fourth data channel of the cross module through a network management bus;
after the network equipment is powered on and started, the cross module respectively acquires the network port states of the two main control boards and the respective main and standby states of the two main control boards;
if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a main control board, the crossing module switches the network management bus of the first data channel to the network management bus of the second data channel;
if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a standby main control board, the network management bus of the first data channel is switched to the network management bus of the fourth data channel by the cross module;
if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the main control board, the cross module switches the network management bus of the third data channel to the network management bus of the second data channel.
Preferably, if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is a standby main control board, the main control board of the second slot is a primary main control board, and the crossover module switches the network management bus of the third data channel to the network management bus of the fourth data channel.
Preferably, if the network port of the main control board of the first slot is externally connected to the controller and the main control board is a standby main control board, the main control board of the second slot is a master main control board, the first data channel and the second data channel of the cross module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state.
Preferably, if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the primary main control board, the main control board of the second slot is the standby main control board, the first data channel and the second data channel of the cross module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state.
Preferably, the physical layer module outputs a link status signal to the cross module to indicate connection status information between the main control board and the controller.
Preferably, each main control board further includes a main/standby arbitration module for outputting a main/standby status signal to the crossing module.
Preferably, the network management bus is an ethernet bus.
Preferably, the crossing module includes:
the link state unit is used for respectively acquiring the network port states of the main control board of the first slot position and the main control board of the second slot position;
the master-standby state unit is used for respectively acquiring master-standby states of the master control board of the first slot position and the master control board of the second slot position;
and the bus switching unit is used for controlling the switching of the network management bus according to the network port states and the main/standby states of the main control board of the first slot position and the main control board of the second slot position.
In order to achieve the above object, the present invention provides a network management switching method, where the method includes:
after the network equipment is powered on and started, the cross module respectively acquires the network port states of the two main control boards, acquires respective main/standby states of the two main control boards, and judges based on the acquired network port states and the main/standby states;
if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a main control board, the crossing module switches the network management bus of the first data channel to the network management bus of the second data channel;
if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a standby main control board, the network management bus of the first data channel is switched to the network management bus of the fourth data channel by the cross module;
if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the second data channel.
Preferably, the method further comprises: if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is the main control board, the main control board of the second slot position is the standby main control board, and the processor module of the main control board of the second slot position is disconnected with the network management bus of the cross module.
Preferably, the method further comprises: if the network port of the main control board of the first slot is externally connected to the controller and the main control board is a standby main control board, the main control board of the second slot is a main control board, and the physical layer module of the main control board of the second slot and the network management bus of the cross module are in a disconnected state.
Compared with the prior art, the invention provides a network management switching device and a method, which bring the following beneficial effects: by the invention, no matter which main control board is used as the main control board, the network port management communication between the processor and the controller can be realized, and the network equipment can be externally connected to the controller only through one network port, so that the management of the equipment by the controller is realized; the space of the main control board is saved by arranging the cross module on the back board; the cross module switches the network management bus based on the network port state and the main/standby state without intervention of the processor, and the implementation scheme is simpler and more convenient.
Drawings
Fig. 1 is a system block diagram of a network management switching device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a network management handover in accordance with an embodiment of the present invention.
Fig. 3 is a schematic diagram of a network managing handover in accordance with an embodiment of the present invention.
Fig. 4 is a schematic diagram of a network managing handover in accordance with an embodiment of the present invention.
Fig. 5 is a schematic diagram of a network management handover in accordance with an embodiment of the present invention.
Fig. 6 is a flowchart of a network management handover method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the specific embodiments shown in the drawings, which are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the specific embodiments are included in the scope of the present invention.
In an embodiment of the present invention shown in fig. 1, the present invention provides a network management switching apparatus, used in a network device, where the apparatus includes a backplane and two main control boards, where the two main control boards are respectively inserted into a first slot and a second slot, each main control board includes a processor module 10 and a physical layer module 12 connected to a network port 11, the backplane includes a cross module 13, and the cross module 13 includes a first data channel, a second data channel, a third data channel, and a fourth data channel, where the physical layer module 12 of the main control board in the first slot is connected to the first data channel of the cross module 13 through a network management bus, the processor module 10 of the main control board in the first slot is connected to the second data channel of the cross module 13 through a network management bus, the physical layer module 12 of the main control board in the second slot is connected to the third data channel of the cross module 13 through a network management bus, and the processor module 10 of the main control board in the second slot is connected to the fourth data channel of the cross module 13 through a network management bus;
after the network device is powered on and started, the cross module 13 respectively acquires the respective network port states of the two main control boards and acquires the respective main/standby states of the two main control boards;
if the network port of the main control board of the first slot is externally connected to the controller and the main control board is the main control board, the crossover module 13 switches the network management bus of the first data channel to the network management bus of the second data channel;
if the network port of the main control board of the first slot is externally connected to the controller and the main control board is a standby main control board, the cross module 13 switches the network management bus of the first data channel to the network management bus of the fourth data channel;
if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the main control board, the crossover module 13 switches the network management bus of the third data channel to the network management bus of the second data channel.
Based on this technical scheme, including two main control boards in the network equipment, two main control boards connect in first trench and second trench, and each main control board all is provided with the net gape, but only a net gape of a main control board is external to the controller, and the controller carries out the equipment management to network equipment through this net gape.
As shown in fig. 2, after the network device is powered on and started, the cross module respectively obtains the network port states of the two main control boards, and respectively obtains the respective active/standby states of the two main control boards. Each main control board comprises a physical layer module and a network port, and the physical layer module is electrically connected with the network port. The network management bus is an Ethernet bus. The physical layer module outputs a link state signal to the cross module to indicate the connection state information between the main control board and the controller.
The physical layer module judges the connection state of the link by receiving and sending a predefined signal to the opposite physical layer device, if the link state is normal, the network port of the main control board is indicated to be normally connected with an external controller, otherwise, the network port is in a disconnection state. The cross module acquires the link state signal, can acquire the network port state of each main control board, and judges whether the network port is connected with the controller. Each main control board further includes a main/standby arbitration module 14, which outputs a main/standby status signal to the cross module. The master/standby state signal is used for indicating whether the master control board is in a master state or a standby state, namely judging whether the master control board is the master control board or the standby control board. The cross module executes the switching of the network management bus according to the link state and the main/standby state of each main control board.
As shown in fig. 2, after the network device is powered on and started, the crossover module detects that the network port of the main control board of the first slot is in a connection state, which indicates that the network port of the main control board of the first slot is externally connected to the controller, and determines that the main control board is a primary main control board according to the obtained primary and standby state signals of the main control board of the slot, and then the crossover module switches the network management bus of the first data channel to the network management bus of the second data channel, that is, the crossover module keeps mutual conduction with the network management bus on the physical layer module side of the main control board, and switches the network management bus to be mutual conduction with the network management bus on the main control board side, and the network ports, the physical layer modules, the crossover module and the processor module are mutual conduction, so as to establish a data link among the controller, the main control board of the first slot and the crossover module, and realize that the processor module of the main control board and the controller perform data communication through the network management bus. At this time, when the main control board of the first slot position is the main control board, the main control board of the second slot position is the standby main control board, the first data channel and the fourth data channel of the cross module are in a disconnected state, so that the processor module of the second slot position and the network management bus of the first data channel are in a disconnected state, and the network port of the main control board of the second slot position, which is not externally connected to the controller, is not communicated with the processor modules of the main and standby main control boards, so that data communication cannot occur between the processor of the standby main control board and the externally connected controller, and the network port of the standby main control board can be isolated.
As shown in fig. 3, after the network device is powered on and started, the cross module detects that the network port of the main control board of the first slot is in a connection state, which indicates that the network port of the main control board of the first slot is externally connected to the controller, and determines that the main control board is a standby main control board according to the obtained main/standby state signal of the main control board of the slot, the cross module switches the network management bus of the first data channel to the network management bus of the fourth data channel, the cross module keeps mutual conduction with the network management bus on the physical layer module side of the main control board, and switches the network management bus to be mutual conduction with the network management bus on the processor module side of the main control board of the second slot, and the network port of the main control board of the first slot and the lines between the physical layer module, the cross module and the processor module of the second slot are conducted, so as to establish a data link between the controller, the main control board of the first slot, the cross module, and the main control board of the second slot of the main control board, and realize network data communication between the processor module of the main control board of the first slot and the processor module through switching of the switching network device. At this time, the main control board of the second slot is the main control board, the first data channel and the second data channel of the crossing module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state. The processor module of the main control board of the first slot position is in a disconnection state with the network management bus of the cross module, and the processor module cannot be conducted with the network port of the main control board connected to the controller. The physical layer module of the main control board of the second slot position and the network management bus of the processor module are also in a disconnected state, so that the network port of the main control board of the second slot position, which is not externally connected to the controller, cannot be conducted with the processor modules of the main and standby main control boards, and no data communication exists between the processor module of the standby main control board and the externally connected controller, thereby ensuring the data communication between the main control board and the controller.
As shown in fig. 4, after the network device is powered on and started, the crossover module detects that the network port of the main control board of the first slot is in a disconnected state, which indicates that the network port of the main control board of the first slot is not externally connected to the controller, and determines that the main control board is the primary main control board according to the obtained primary and secondary state signals of the main control board of the slot, the crossover module detects that the main control board of the second slot is in a connected state, which indicates that the network port of the main control board of the second slot is externally connected to the controller, and the crossover module switches the network management bus of the third data channel to the network management bus of the second data channel, and the crossover module keeps mutual conduction with the network management bus on the physical layer module side of the main control board of the second slot, and switches the network management bus to mutual conduction with the network management bus on the processor module side of the main control board of the first slot. The network port of the main control board of the second slot is communicated with the physical layer module, the cross module and the processor module of the first slot through circuits, so that a data link among the controller, the main control board of the second slot, the cross module and the main control board of the first slot is established, the network port of the main control board of the second slot is communicated with the processor module of the first slot through switching of the cross module of the back plate, and data communication between the processor module of the main control board and the controller through a network management bus is realized. At this time, the master control board of the second slot is a standby master control board, the first data channel and the second data channel of the cross module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state. The processor module of the main control board of the first slot position and the first data channel of the cross module are in a disconnected state. The processor module of the main control board of the second slot position and the third data channel of the cross module are also in a disconnected state, so that the network port of the main control board, which is not externally connected to the controller, cannot be communicated with the processor modules of the main control board and the standby main control board, and data communication cannot be realized between the processor of the standby main control board and the externally connected controller, thereby ensuring the data communication between the main control board and the controller.
As shown in fig. 5, after the network device is powered on and started, the cross module detects that the network port of the main control board of the first slot is in a disconnected state, which indicates that the network port of the main control board of the first slot is not externally connected to the controller, and determines that the main control board is a standby main control board according to the obtained main/standby state signal of the main control board of the slot, and then determines that the main control board of the second slot is a main control board, and the cross module switches the network management bus of the third data channel to the network management bus of the fourth data channel. And when the master control board of the first slot position is a standby master control board, the master control board of the second slot position is a main master control board, at the moment, the main master control board of the second slot position is connected with the controller through the network port, and the controller is in data communication with the main master control board of the second slot position.
According to a specific embodiment of the present invention, the cross module includes a link state unit, a main/standby state unit, and a bus switching unit. And the link state unit is used for respectively acquiring the network port states of the main control board of the first slot position and the main control board of the second slot position. The master-slave state unit is used for respectively acquiring master-slave states of the master control board of the first slot position and the master control board of the second slot position. And the bus switching unit controls the switching of the network management bus according to the network port state and the master/standby state of the master control board of the first slot position and the master control board of the second slot position. The cross module completes the cross connection operation of the network management bus, thereby automatically establishing communication connection between the controller and the main control board.
Based on the technical scheme, no matter which main control board is used as the main control board in the main and standby system, data communication between the processor and the controller can be realized, and the network equipment can be externally connected to the controller through only one network port, so that the management of the equipment by the controller is realized.
As shown in fig. 6, according to an embodiment of the present invention, the present invention provides a network management handover method, where the method includes:
s601, after the network equipment is powered on and started, the cross module respectively acquires the network port states of the two main control boards, acquires respective main/standby states of the two main control boards, and judges according to the acquired network port states and the main/standby states;
s602, if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a main control board, the network management bus of the first data channel is switched to the network management bus of the second data channel by the crossing module;
s603, if the network port of the main control board of the first slot position is externally connected to the controller and the main control board is a standby main control board, the network management bus of the first data channel is switched to the network management bus of the fourth data channel by the cross module;
s604, if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the second data channel.
According to an embodiment of the present invention, if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is a standby main control board, the main control board of the second slot is an active main control board, and the crossover module switches the network management bus of the third data channel to the network management bus of the fourth data channel.
According to an embodiment of the present invention, the method further comprises: if the network port of the main control board of the first slot is externally connected to the controller and the main control board is a standby main control board, the main control board of the second slot is a primary main control board, the first data channel and the second data channel of the cross module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state.
According to an embodiment of the present invention, the method further comprises: if the network port of the main control board of the first slot is not externally connected to the controller and the main control board is the main control board, the main control board of the second slot is the standby main control board, the first data channel and the second data channel of the cross module are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (5)
1. A network management switching device is used in network equipment and comprises a back board and two main control boards, wherein the two main control boards are respectively inserted in a first slot position and a second slot position, and the device is characterized in that each main control board comprises a processor module and a physical layer module connected with a network port, the back board comprises a cross module, the cross module comprises a first data channel, a second data channel, a third data channel and a fourth data channel, wherein the physical layer module of the main control board of the first slot position is connected with the first data channel of the cross module through a network management bus, the processor module of the main control board of the first slot position is connected with the second data channel of the cross module through the network management bus, the physical layer module of the main control board of the second slot position is connected with the third data channel of the cross module through the network management bus, and the processor module of the main control board of the second slot position is connected with the fourth data channel of the cross module through the network management bus;
after the network equipment is powered on and started, the cross module respectively acquires the network port states of the two main control boards and the respective main and standby states of the two main control boards;
if the network port of the main control board of the first slot position is externally connected to the controller, the main control board of the first slot position is a main control board, and the main control board of the second slot position is a standby main control board, the crossing module switches the network management bus of the first data channel to the network management bus of the second data channel, and the first data channel is respectively in a disconnection state with the third data channel and the fourth data channel, so that a data link among the controller, the main control board of the first slot position and the crossing module is established;
if the network port of the main control board of the first slot position is externally connected to the controller, the main control board of the first slot position is a standby main control board, and the main control board of the second slot position is a main control board, the crossing module switches the network management bus of the first data channel to the network management bus of a fourth data channel, the first data channel and the second data channel are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state, and a data link among the controller, the main control board of the first slot position, the crossing module and the main control board of the second slot position is established;
if the network port of the main control board of the second slot position is externally connected to the controller, the main control board of the first slot position is a main control board, and the main control board of the second slot position is a standby main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the second data channel, the third data channel is kept mutually communicated with the network management bus at the physical layer module side of the main control board of the second slot position, and a data link among the controller, the main control board of the second slot position, the crossing module and the main control board of the first slot position is established; if the network port of the main control board of the second slot position is externally connected to the controller, the main control board of the first slot position is a standby main control board, the main control board of the second slot position is a main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the fourth data channel, and a data link among the controller, the main control board of the second slot position and the crossing module is established.
2. The network management switching device of claim 1, wherein the physical layer module outputs a link status signal to the cross module for indicating connection status information between the main control board and the controller.
3. The network management switching apparatus of claim 1, wherein each main control board further comprises a main/standby arbitration module for outputting a main/standby status signal to the crossing module.
4. The network management switching apparatus of claim 1, wherein the crossover module comprises: the link state unit is used for respectively acquiring the network port states of the main control board of the first slot position and the main control board of the second slot position;
the master-standby state unit is used for respectively acquiring master-standby states of the master control board of the first slot position and the master control board of the second slot position;
and the bus switching unit is used for controlling the switching of the network management bus according to the network port states and the main standby states of the main control board of the first slot position and the main control board of the second slot position.
5. A handover method of a network management handover apparatus according to any of claims 1 to 4, the method comprising:
after the network equipment is powered on and started, the cross module respectively acquires the network port states of the two main control boards and the respective main standby states of the two main control boards, and judges based on the acquired network port states and the main standby states;
if the network port of the main control board of the first slot position is externally connected to the controller, the main control board of the first slot position is a main control board, and the main control board of the second slot position is a standby main control board, the crossing module switches the network management bus of the first data channel to the network management bus of the second data channel, and the first data channel is respectively in a disconnected state with the third data channel and the fourth data channel, so as to establish a data link among the controller, the main control board of the first slot position and the crossing module;
if the network port of the main control board of the first slot position is externally connected to the controller, the main control board of the first slot position is a standby main control board, and the main control board of the second slot position is a main control board, the crossing module switches the network management bus of the first data channel to the network management bus of a fourth data channel, the first data channel and the second data channel are in a disconnected state, and the third data channel and the fourth data channel are in a disconnected state, and a data link among the controller, the main control board of the first slot position, the crossing module and the main control board of the second slot position is established;
if the network port of the main control board of the second slot position is externally connected to the controller, the main control board of the first slot position is a main control board, and the main control board of the second slot position is a standby main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the second data channel, the third data channel is kept mutually communicated with the network management bus at the physical layer module side of the main control board of the second slot position, and a data link among the controller, the main control board of the second slot position, the crossing module and the main control board of the first slot position is established; if the network port of the main control board of the second slot position is externally connected to the controller, the main control board of the first slot position is a standby main control board, the main control board of the second slot position is a main control board, the crossing module switches the network management bus of the third data channel to the network management bus of the fourth data channel, and a data link among the controller, the main control board of the second slot position and the crossing module is established.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042728.6A CN111262735B (en) | 2020-01-15 | 2020-01-15 | Network management switching device and method |
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| CN202010042728.6A CN111262735B (en) | 2020-01-15 | 2020-01-15 | Network management switching device and method |
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