CN114928534B - Fault self-healing method and terminal for wireless network bridge - Google Patents
Fault self-healing method and terminal for wireless network bridge Download PDFInfo
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- CN114928534B CN114928534B CN202210313756.6A CN202210313756A CN114928534B CN 114928534 B CN114928534 B CN 114928534B CN 202210313756 A CN202210313756 A CN 202210313756A CN 114928534 B CN114928534 B CN 114928534B
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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
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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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
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- 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
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a fault self-healing method and a terminal of a wireless network bridge, wherein the information of all network bridge equipment nodes is pre-configured according to the topological sequence of the network bridge equipment nodes, when a heartbeat packet sent by the network bridge nodes at regular time is received, a response packet is sent to the network bridge equipment nodes corresponding to the heartbeat packet when the state of the network bridge equipment nodes corresponding to the heartbeat packet is offline; the response packet includes all the previous-stage node information of the bridge equipment node, so that the bridge equipment node can connect the previous-stage nodes except the previous-stage bridge equipment node step by step after being disconnected with the previous-stage bridge equipment node until the connection is successful. Therefore, when the bridge equipment fails, the connection can be established with the node at the front stage of the failed node after the failed bridge equipment node is skipped, the influence on the bridge equipment node at the rear end of the failed bridge equipment when any bridge equipment node fails is avoided, and the reliability of the wireless bridge equipment is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a terminal for self-healing a failure of a wireless network bridge.
Background
With the development of society and the maturity of wireless technology, more and more environments now adopt wireless bridges as transmission trunks, and on some inconvenient wiring or difficult projects such as forest fires, port wharfs, power systems, oil fields, tourist attractions and the like, the projects need to be grooved to lay cables, so that the project construction period is long and the project construction period is limited by various conditions. The wireless bridge is adopted as a transmission tool, an optical cable and a cable are not required to be laid, the coverage is wide, the construction period is greatly shortened, the cost is saved, and the installation is simple.
As the application of wireless bridge technology matured, various industries began to put into the construction of wireless bridge systems. For example, a single-link multi-cascade wireless bridge system widely applied in a power system, and a networking structure is shown in fig. 1. And (3) erecting a network bridge equipment centralized management platform and a wireless network bridge equipment root node at the power substation, deploying the network bridge equipment along the power transmission direction from the power tower of the power substation, wherein the network bridge equipment can be externally connected with other network terminals such as cameras. The network can manage the network bridge equipment and the terminals through the Internet at the substation or any place. The centralized management platform of the network bridge equipment can check the current state of the network bridge equipment, the connected node information and the like in real time. However, under this networking, any bridge device in the link fails, which may cause the back-end normal bridge device to be disconnected from the terminal.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the fault self-healing method and the terminal for the wireless network bridge are provided, and the connection reliability of wireless network bridge equipment can be improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a fault self-healing method of a wireless network bridge comprises the following steps:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by the bridge equipment node at fixed time is received, sending a response packet to the bridge equipment node corresponding to the heartbeat packet when the state of the bridge equipment node is offline, wherein the response packet comprises information of all previous-stage nodes of the bridge equipment node, so that the bridge equipment node is disconnected with the previous-stage bridge equipment node, and then the previous-stage nodes except the previous-stage bridge equipment node are connected step by step until the connection is successful.
In order to solve the technical problems, the invention adopts another technical scheme that:
a self-healing terminal for a wireless bridge, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by the bridge equipment node at fixed time is received, sending a response packet to the bridge equipment node corresponding to the heartbeat packet when the state of the bridge equipment node is offline, wherein the response packet comprises information of all previous-stage nodes of the bridge equipment node, so that the bridge equipment node is disconnected with the previous-stage bridge equipment node, and then the previous-stage nodes except the previous-stage bridge equipment node are connected step by step until the connection is successful.
The invention has the beneficial effects that: pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes, when receiving a heartbeat packet sent by the bridge nodes at fixed time, sending a response packet to the bridge equipment nodes corresponding to the heartbeat packet when the state of the bridge equipment nodes corresponding to the heartbeat packet is offline; the response packet includes all the previous-stage node information of the bridge equipment node, so that the bridge equipment node can connect the previous-stage nodes except the previous-stage bridge equipment node step by step after being disconnected with the previous-stage bridge equipment node until the connection is successful. Therefore, when the bridge equipment fails, the connection can be established with the previous node of the failed node after the failed bridge equipment node is skipped, the influence on all equipment nodes at the rear end of the failed bridge equipment when any bridge equipment node fails is avoided, and the reliability of the wireless bridge equipment is improved.
Drawings
Fig. 1 is a topology diagram of a single link multi-tandem wireless bridge networking in the prior art;
fig. 2 is a flowchart of a method for self-healing a failure of a wireless bridge according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a fault self-healing terminal of a wireless network bridge according to an embodiment of the present invention;
description of the reference numerals:
1. a fault self-healing terminal of a wireless network bridge; 2. a memory; 3. a processor.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a method for self-healing a fault of a wireless network bridge, including the steps of:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by the bridge equipment node at fixed time is received, sending a response packet to the bridge equipment node corresponding to the heartbeat packet when the state of the bridge equipment node is offline, wherein the response packet comprises information of all previous-stage nodes of the bridge equipment node, so that the bridge equipment node is disconnected with the previous-stage bridge equipment node, and then the previous-stage nodes except the previous-stage bridge equipment node are connected step by step until the connection is successful.
From the above description, the beneficial effects of the invention are as follows: pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes, when receiving a heartbeat packet sent by the bridge nodes at fixed time, sending a response packet to the bridge equipment nodes corresponding to the heartbeat packet when the state of the bridge equipment nodes corresponding to the heartbeat packet is offline; the response packet includes all the previous-stage node information of the bridge equipment node, so that the bridge equipment node can connect the previous-stage nodes except the previous-stage bridge equipment node step by step after being disconnected with the previous-stage bridge equipment node until the connection is successful. Therefore, when the bridge equipment fails, the connection can be established with the node at the front stage of the failed node after the failed bridge equipment node is skipped, the influence on all equipment nodes at the rear end of the failed bridge equipment when any bridge equipment node fails is avoided, and the reliability of the wireless bridge equipment is improved.
Further, if the heartbeat packet sent by the bridge device node at regular time is received, sending a response packet to the bridge device node corresponding to the heartbeat packet when the state of the bridge device node corresponding to the heartbeat packet is offline includes:
if the heartbeat packet sent by the network bridge equipment node at fixed time is received, setting the network bridge equipment node sending the heartbeat packet as a current network bridge equipment node, judging whether the state of the current network bridge equipment node is offline, if so, marking the state of the current network bridge equipment node as online, and sending a response packet to the current network bridge equipment node.
As can be seen from the above description, when the heartbeat packet sent by the bridge device node at regular time is received, if the bridge device node sending the heartbeat packet is in an offline state, the state of the bridge device node is marked as online and sent to the response packet corresponding to the bridge device node, so that when the offline bridge device node is online for the first time, the response is ensured for the heartbeat packet sent by the bridge device node, so that the node connection is performed according to the response packet.
Further, if the heartbeat packet sent by the node of the bridge device at regular time is received, the method further includes:
the heartbeat packet comprises information of a current network bridge equipment node and a previous stage node;
and comparing the state information of the previous stage node of the current bridge equipment node in the heartbeat packet with the state information of the previous stage node of the pre-configured current bridge equipment node, judging whether the state of the previous stage node is on line or not if the comparison result is inconsistent, disconnecting the current bridge equipment node if the state of the previous stage node is on line, and reconnecting the current bridge equipment node to the previous stage node of the current bridge equipment node.
As can be seen from the above description, when the state of the previous stage node in the heartbeat packet is inconsistent with the state of the pre-configured previous stage node, the state change of the previous stage node is indicated, if the state is changed to the online state, it is indicated that the previous stage node is connectable, and the restoration of the node connection can be performed by disconnecting the current bridge device node and reconnecting the current bridge device node to the previous stage node of the current bridge device node, thereby realizing the automatic restoration of the network.
Further, if the heartbeat packet sent by the node of the bridge device at regular time is received, the method further includes:
and if the heartbeat packet sent by the bridge equipment node is received for the first time, sending information of all previous nodes of the current bridge equipment node to the current bridge equipment node.
From the above description, when the heartbeat packet is received for the first time, all the previous nodes are sent to the current bridge equipment node, so that the bridge equipment node can contain the information of the previous nodes.
Further, the method further comprises the following steps:
if the heartbeat packet sent by the bridge equipment node is not received in the preset time, the state of the corresponding bridge equipment node is marked as offline.
According to the above description, when the heartbeat packet sent by the bridge equipment node is not received beyond the preset time, the state of the corresponding bridge equipment node is marked as offline, so that whether the bridge equipment node is available or not can be judged directly, and convenience is brought to fault recovery.
Referring to fig. 3, another embodiment of the present invention provides a self-healing terminal for a wireless bridge, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by the bridge equipment node at fixed time is received, sending a response packet to the bridge equipment node corresponding to the heartbeat packet when the state of the bridge equipment node is offline, wherein the response packet comprises information of all previous-stage nodes of the bridge equipment node, so that the bridge equipment node is disconnected with the previous-stage bridge equipment node, and then the previous-stage nodes except the previous-stage bridge equipment node are connected step by step until the connection is successful.
From the above description, it can be seen that, information of all bridge device nodes is preconfigured according to the topological order of the bridge device nodes, when a heartbeat packet sent by the bridge node at regular time is received, if the state of the bridge device node corresponding to the heartbeat packet is offline, a response packet is sent to the bridge device node corresponding to the heartbeat packet; the response packet includes all the previous-stage node information of the bridge equipment node, so that the bridge equipment node can connect the previous-stage nodes except the previous-stage bridge equipment node step by step after being disconnected with the previous-stage bridge equipment node until the connection is successful. Therefore, when the bridge equipment fails, the connection can be established with the node at the front stage of the failed node after the failed bridge equipment node is skipped, the influence on all equipment nodes at the rear end of the failed bridge equipment when any bridge equipment node fails is avoided, and the reliability of the wireless bridge equipment is improved.
Further, if the heartbeat packet sent by the bridge device node at regular time is received, sending a response packet to the bridge device node corresponding to the heartbeat packet when the state of the bridge device node corresponding to the heartbeat packet is offline includes:
if the heartbeat packet sent by the network bridge equipment node at fixed time is received, setting the network bridge equipment node sending the heartbeat packet as a current network bridge equipment node, judging whether the state of the current network bridge equipment node is offline, if so, marking the state of the current network bridge equipment node as online, and sending a response packet to the current network bridge equipment node.
As can be seen from the above description, when the heartbeat packet sent by the bridge device node at regular time is received, if the bridge device node sending the heartbeat packet is in an offline state, the state of the bridge device node is marked as online and sent to the response packet corresponding to the bridge device node, so that when the offline bridge device node is online for the first time, the response is ensured for the heartbeat packet sent by the bridge device node, so that the node connection is performed according to the response packet.
Further, if the heartbeat packet sent by the node of the bridge device at regular time is received, the method further includes:
the heartbeat packet comprises information of a current network bridge equipment node and a previous stage node;
and comparing the state information of the previous stage node of the current bridge equipment node in the heartbeat packet with the state information of the previous stage node of the pre-configured current bridge equipment node, judging whether the state of the previous stage node is on line or not if the comparison result is inconsistent, disconnecting the current bridge equipment node if the state of the previous stage node is on line, and reconnecting the current bridge equipment node to the previous stage node of the current bridge equipment node.
As can be seen from the above description, when the state of the previous stage node in the heartbeat packet is inconsistent with the state of the pre-configured previous stage node, the state change of the previous stage node is indicated, if the state is changed to the online state, it is indicated that the previous stage node is connectable, and the restoration of the node connection can be performed by disconnecting the current bridge device node and reconnecting the current bridge device node to the previous stage node of the current bridge device node, thereby realizing the automatic restoration of the network.
Further, if the heartbeat packet sent by the node of the bridge device at regular time is received, the method further includes:
and if the heartbeat packet sent by the bridge equipment node is received for the first time, sending information of all previous nodes of the current bridge equipment node to the current bridge equipment node.
From the above description, when the heartbeat packet is received for the first time, all the previous nodes are sent to the current bridge equipment node, so that the bridge equipment node can contain the information of the previous nodes.
Further, the method further comprises the following steps:
if the heartbeat packet sent by the bridge equipment node is not received in the preset time, the state of the corresponding bridge equipment node is marked as offline.
According to the above description, when the heartbeat packet sent by the bridge equipment node is not received beyond the preset time, the state of the corresponding bridge equipment node is marked as offline, so that whether the bridge equipment node is available or not can be judged directly, and convenience is brought to fault recovery.
The fault self-healing method and the terminal of the wireless network bridge are suitable for a single-link multi-cascade wireless network bridge system, can maximally reduce the influence to the minimum when partial equipment fails, and are described by a specific implementation mode:
example 1
Referring to fig. 1 and fig. 2, a method for self-healing a failure of a wireless network bridge includes the steps of:
s1, information of all bridge equipment nodes is preconfigured according to the topological sequence of the bridge equipment nodes.
Specifically, in this embodiment, the wireless bridge device root node deploys the bridge device along the power transmission direction from the substation, and the bridge device may be externally connected to other network terminals. The device IDs of all bridge device nodes from the root node in the bridge device link are preconfigured, wherein the device IDs are used for identifying the bridge device nodes and judging whether the bridge device nodes are legal or not.
And S2, if a heartbeat packet sent by the bridge equipment node at fixed time is received, sending a response packet to the bridge equipment node corresponding to the heartbeat packet when the state of the bridge equipment node is offline, wherein the response packet comprises information of all previous-stage nodes of the bridge equipment node, so that the bridge equipment node is disconnected with the previous-stage bridge equipment node and then connects the previous-stage nodes except the previous-stage bridge equipment node step by step until connection is successful.
And receiving a heartbeat packet which is sent at fixed time when the network bridge equipment is started in operation, wherein the heartbeat packet comprises the previous node information and the node information which are connected with the current node.
S21, if the heartbeat packet of the bridge device is successfully received, marking the state of the bridge device as online.
Specifically, if the heartbeat packet of the bridge device is successfully received, node information carried in the heartbeat packet is stored, whether the state of the bridge device node sending the heartbeat packet is offline is judged, if yes, a response packet is replied to the corresponding bridge device node. The network bridge equipment receives the reply packet of the information of all the nodes of the front stage sent by the network bridge centralized management platform and stores the information of all the nodes. The bridge device opens timing detection and a preceding stage network path, and reads all node information except the preceding stage node if communication interruption with the preceding stage is detected. And loops back and forth to attempt a connection until it is connected.
S22, if the heartbeat packet sent by the network bridge equipment node is received for the first time, actively transmitting all node information of the previous stage of the node. And comparing the current connected previous node information of the network bridge equipment carried in the read heartbeat packet with the pre-configured previous node information every time the heartbeat packet is received, and if the current connected previous node information is consistent with the pre-configured previous node information, not operating. If the nodes are inconsistent, the state of the previous-stage node is read, and if the previous-stage equipment node is online, a recovery command is issued to the node. If the node state of the previous stage equipment is not on-line, no operation is performed.
If the device receives a recovery command issued by the network bridge centralized management platform, the current connection is disconnected and the device is reconnected to the previous-stage device.
S3, if the heartbeat packet of the network bridge device is not received within a certain time, marking the device state as offline.
Example two
Referring to fig. 3, a self-healing terminal for a wireless bridge includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the self-healing method for a wireless bridge according to the first embodiment when executing the computer program.
In summary, according to the method and the terminal for self-healing the failure of the wireless bridge provided by the invention, the information of all the bridge equipment nodes is pre-configured according to the topological sequence of the bridge equipment nodes, when the heartbeat packet sent by the bridge node at fixed time is received, if the state of the bridge equipment node corresponding to the heartbeat packet is offline, a response packet is sent to the bridge equipment node corresponding to the heartbeat packet, so that the response to the heartbeat packet sent by the bridge equipment node can be ensured when the offline bridge equipment node is online for the first time; the response packet includes all the previous-stage node information of the bridge equipment node, so that the bridge equipment node can connect the previous-stage nodes except the previous-stage bridge equipment node step by step after being disconnected with the previous-stage bridge equipment node until the connection is successful. When the state of the previous stage node in the heartbeat packet is inconsistent with the state of the pre-configured previous stage node, the state change of the previous stage node is indicated, if the state is changed to the on-line state, the previous stage node is indicated to be connectable, and the recovery of the node connection can be carried out, so that the automatic recovery of the network is realized. Therefore, when the bridge equipment fails, the node can skip the failed bridge equipment, and then, the node is connected with the node at the front stage of the failed node, so that the influence on the bridge equipment node at the rear end of the failed bridge equipment when any bridge equipment node fails is avoided; and when the failed node can send the heartbeat packet, the failure recovery is indicated, the connection between the node of the network bridge equipment and the node of the previous stage is recovered, and the reliability of the wireless network bridge equipment is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (6)
1. A method for self-healing a wireless bridge, comprising the steps of:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by a network bridge device node at fixed time is received, sending a response packet to the network bridge device node corresponding to the heartbeat packet when the state of the network bridge device node corresponding to the heartbeat packet is offline, wherein the response packet comprises information of all previous-stage nodes of the network bridge device node, so that the network bridge device node is connected with the previous-stage network bridge device node step by step until the connection is successful after the network bridge device node is disconnected with the previous-stage network bridge device node;
if the heartbeat packet sent by the network bridge equipment node at fixed time is received, sending a response packet to the network bridge equipment node corresponding to the heartbeat packet when the state of the network bridge equipment node corresponding to the heartbeat packet is offline includes:
if a heartbeat packet sent by a network bridge equipment node at fixed time is received, setting the network bridge equipment node sending the heartbeat packet as a current network bridge equipment node, judging whether the state of the current network bridge equipment node is offline, if so, marking the state of the current network bridge equipment node as online, and sending a response packet to the current network bridge equipment node;
the step of receiving the heartbeat packet sent by the network bridge equipment node at fixed time further comprises the following steps:
the heartbeat packet comprises information of a current network bridge equipment node and a previous stage node;
and comparing the state information of the previous stage node of the current bridge equipment node in the heartbeat packet with the state information of the previous stage node of the pre-configured current bridge equipment node, judging whether the state of the previous stage node is on line or not if the comparison result is inconsistent, disconnecting the current bridge equipment node if the state of the previous stage node is on line, and reconnecting the current bridge equipment node to the previous stage node of the current bridge equipment node.
2. The method for self-healing a wireless bridge according to claim 1, wherein if the heartbeat packet sent by the node of the bridge device at regular time is received, the method further comprises:
and if the heartbeat packet sent by the bridge equipment node is received for the first time, sending information of all previous nodes of the current bridge equipment node to the current bridge equipment node.
3. The method for self-healing a wireless bridge according to claim 1, further comprising:
if the heartbeat packet sent by the bridge equipment node is not received in the preset time, the state of the corresponding bridge equipment node is marked as offline.
4. A self-healing terminal for failure of a wireless network bridge, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the following steps when executing the computer program:
pre-configuring information of all bridge equipment nodes according to the topological sequence of the bridge equipment nodes;
if a heartbeat packet sent by a network bridge device node at fixed time is received, sending a response packet to the network bridge device node corresponding to the heartbeat packet when the state of the network bridge device node corresponding to the heartbeat packet is offline, wherein the response packet comprises information of all previous-stage nodes of the network bridge device node, so that the network bridge device node is connected with the previous-stage network bridge device node step by step until the connection is successful after the network bridge device node is disconnected with the previous-stage network bridge device node;
if the heartbeat packet sent by the network bridge equipment node at fixed time is received, sending a response packet to the network bridge equipment node corresponding to the heartbeat packet when the state of the network bridge equipment node corresponding to the heartbeat packet is offline includes:
if a heartbeat packet sent by a network bridge equipment node at fixed time is received, setting the network bridge equipment node sending the heartbeat packet as a current network bridge equipment node, judging whether the state of the current network bridge equipment node is offline, if so, marking the state of the current network bridge equipment node as online, and sending a response packet to the current network bridge equipment node;
the step of receiving the heartbeat packet sent by the network bridge equipment node at fixed time further comprises the following steps:
the heartbeat packet comprises information of a current network bridge equipment node and a previous stage node;
and comparing the state information of the previous stage node of the current bridge equipment node in the heartbeat packet with the state information of the previous stage node of the pre-configured current bridge equipment node, judging whether the state of the previous stage node is on line or not if the comparison result is inconsistent, disconnecting the current bridge equipment node if the state of the previous stage node is on line, and reconnecting the current bridge equipment node to the previous stage node of the current bridge equipment node.
5. The self-healing-failure terminal of a wireless bridge according to claim 4, wherein if the heartbeat packet sent by the node of the bridge device at regular time is received, the self-healing-failure terminal further comprises:
and if the heartbeat packet sent by the bridge equipment node is received for the first time, sending information of all previous nodes of the current bridge equipment node to the current bridge equipment node.
6. The self-healing-failure terminal of a wireless bridge of claim 4, further comprising:
if the heartbeat packet sent by the bridge equipment node is not received in the preset time, the state of the corresponding bridge equipment node is marked as offline.
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| CN202310972299.6A CN117255007A (en) | 2022-03-28 | 2022-03-28 | Fault recovery method and terminal for wireless network bridge of substation |
| CN202210313756.6A CN114928534B (en) | 2022-03-28 | 2022-03-28 | Fault self-healing method and terminal for wireless network bridge |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829163A (en) * | 2005-11-22 | 2006-09-06 | 中国科学院计算机网络信息中心 | Hierarchical switched network logical channel self-healing method |
| CN101820376A (en) * | 2010-02-04 | 2010-09-01 | 深圳市金宏威实业发展有限公司 | Method and system for realizing rapid convergence in ring network |
| CN104980303A (en) * | 2015-06-15 | 2015-10-14 | 北京邮电大学 | Node failure repair method in multi-level tree network |
| CN107681645A (en) * | 2017-11-23 | 2018-02-09 | 国网河南省电力公司信息通信公司 | A kind of distributed self-healing control method based on feeder line topology automatization terminal |
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| US8248920B2 (en) * | 2006-07-25 | 2012-08-21 | Cisco Technology, Inc. | Alternate spanning tree for faster indirect link failure recovery |
| CN101232427A (en) * | 2007-01-23 | 2008-07-30 | 华为技术有限公司 | Ethernet loop protection method and apparatus |
| EP2183885B1 (en) * | 2007-08-14 | 2012-06-06 | Telefonaktiebolaget LM Ericsson (publ) | Network reconfiguration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1829163A (en) * | 2005-11-22 | 2006-09-06 | 中国科学院计算机网络信息中心 | Hierarchical switched network logical channel self-healing method |
| CN101820376A (en) * | 2010-02-04 | 2010-09-01 | 深圳市金宏威实业发展有限公司 | Method and system for realizing rapid convergence in ring network |
| CN104980303A (en) * | 2015-06-15 | 2015-10-14 | 北京邮电大学 | Node failure repair method in multi-level tree network |
| CN107681645A (en) * | 2017-11-23 | 2018-02-09 | 国网河南省电力公司信息通信公司 | A kind of distributed self-healing control method based on feeder line topology automatization terminal |
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