CN115550248A - Communication method, system, equipment and storage medium - Google Patents
Communication method, system, equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/22—Alternate routing
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/247—Multipath using M:N active or standby paths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
Abstract
The application discloses a communication method, a system, a device and a storage medium, which are applied to a dual active cross-device link aggregation switch system consisting of a first switch and a second switch. According to the technical scheme, the double-active cross-device link aggregation switch system is only provided with one main device, only one set of aggregation link is needed to be designed for the main device, the purpose of simplifying the link is achieved, switching between the main device and the standby device can be carried out in real time along with message change of the server, switching speed is increased, and reliability of the device is improved. Meanwhile, when the gateway equipment sends the downlink message, the bandwidth occupation of the link is reduced.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communication method, system, device, and storage medium.
Background
In the related art, when a server network card automatic backup (BOUND 1) mode faces a dual active switch system with cross-device link aggregation, the two devices on a network form a switch of the dual active system, and a server side performs dual uplink, that is, a main link and a standby link are respectively on the two switches. Because the two switches forming the dual active cross-device link aggregation are both set as master devices, i.e., dual master modes, a set of complete cross-device link aggregation configuration needs to be performed on the two switches respectively. In the dual-master mode, when the gateway communicates with the server, if the multicast traffic is present, the gateway sends a message to the master devices of the two switches. Meanwhile, if the server is switched between the main link and the standby link, the switching selection of the double-main switch system is performed on the gateway, and the routing calculation of the gateway can be triggered again. The method has the problems of complex configuration, bandwidth waste and low switching speed.
Disclosure of Invention
The embodiments of the present application mainly aim to provide a communication method, a communication system, a device, and a storage medium, which are used to solve the problem of link configuration waste in a dual active cross device link aggregation switch system.
In a first aspect, to achieve the above object, an embodiment of the present application provides a communication method applied to a dual active cross device link aggregation switch system composed of a first switch and a second switch, where the method includes: the dual active cross equipment link aggregation switch system is connected with a server using a self-backup (BOUND 1) mode; setting the first switch as a master device; the dual active cross-device link aggregation switch system receives a message sent by a server through a first switch; the dual active cross-device link aggregation switch system sends a message sent by a server to a gateway through a first switch; and the dual active cross-device link aggregation switch system receives the message sent by the gateway through the first switch or the second switch. In the technical scheme, the switch receiving the server main link message is the main device of the dual active cross device link aggregation switch system, and if the first switch receives the server main link message, the first switch is set as the main device, and the second switch is set as the device to be switched. In the technical scheme, only one main device exists in the dual active cross-device link aggregation switch system, and only one set of aggregation link needs to be designed for the only main device, so that the link configuration is simple.
Further, when the second switch receives the message sent by the gateway, the message received by the second switch is sent to the first switch through a direct-connection aggregation (peer-link) link. By the method, even if the gateway sends the message to the second switch, namely to the standby equipment, the standby equipment still sends the message to the main equipment through the direct connection aggregation link. The gateway side does not need to broadcast or multicast for ensuring that the message is transmitted to the main equipment in the two switches, so that the bandwidth occupation of a link is greatly reduced; and the main equipment does not need to be distinguished before the message is sent, so that the operation time is saved.
Further, if the first switch is abnormal, the second switch is set as the master device; the dual active cross equipment link aggregation switch system receives a message sent by the server through a second switch; the dual active cross-device link aggregation switch system sends a message to the gateway through a second switch; and the dual active cross-equipment link aggregation switch system receives a message sent by a gateway through the first switch or the second switch. When a main device fault or a main link fault occurs, the first switch is judged to be abnormal in receiving and sending, the normal receiving and sending of the message can be ensured through the switching of the main device and the standby device, and the maintainability, reliability and stability of the network device are greatly improved.
Further, if the first switch receives the message sent by the gateway, the message received by the first switch is sent to a second switch through a direct-connection aggregation (peer-link) link. When the original main link or the original main equipment fails, the main-standby switching is carried out, the first switch is the standby equipment, and even if the gateway sends the message to the first switch, namely the standby equipment, the standby equipment still sends the message to the main equipment through the direct connection aggregation link. In a fault state, the gateway side still does not need to broadcast or multicast for ensuring that the message is transmitted to the main equipment in the two switches, so that the bandwidth occupation of a link is greatly reduced; and in order to adopt unicast transmission, the method does not need to distinguish which device is the main device before transmitting the message, thereby saving the operation time.
Further, the gateway sends the message to the first switch or the second switch in a load balancing way. Because the gateway side does not need to distinguish the master equipment, the bandwidth occupation of the link can be greatly reduced by adopting load balance to send the message.
In a second aspect, a communication system is provided, which includes a server, a first switch, a second switch, a gateway; the system comprises a first switch, a second switch, a first network and a second network, wherein the first switch and the second switch form a double-active cross-device link aggregation switch system; the server is in butt joint with the double-active cross-device link aggregation switch system by using an automatic standby mode; the first switch is a main device; when the first switch is abnormal, the system switches the second switch into the master device, and the gateway does not sense the switching action. In the technical scheme, one main device exists in the dual active cross device link aggregation switch system in the communication system, and only one set of aggregation link needs to be designed for the only main device, so that the purpose of link simplification is achieved. Meanwhile, in the communication system, under the condition that a main link or main equipment fails, the standby equipment is switched into the main equipment, and the uplink message is effectively forwarded, so that the reliability of the communication system is effectively improved.
In a third aspect, a communication device is provided, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the communication method according to the first aspect when executing the program.
In a fourth aspect, a computer-readable storage medium is provided, which stores computer-executable instructions for performing the communication method of the first aspect.
By adopting the technical scheme, only one set of configuration of cross-device link aggregation needs to be configured for the main device of the double-active cross-device link aggregation switch system, so that the link setting is simplified. When the server switches the main link and the standby link, the switching between the main equipment and the standby equipment in the dual active cross equipment link aggregation switch system can be carried out in real time along with the message change of the server by applying the method, and the switching speed is greatly increased. When the gateway device sends the downlink message, because multiple sets of cross-device link aggregation do not exist, broadcast or multicast sending in multiple aggregated links is not needed, and the bandwidth occupation of the links is greatly reduced. By applying the technical scheme, the maintainability, the reliability and the stability of the network equipment can be greatly improved, and the network bandwidth cost can be saved.
Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic diagram illustrating an operating principle of a dual active cross device link aggregation switch system according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a communication method according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a communication method for transmitting an uplink packet according to an embodiment of the present application;
fig. 4 is a flowchart illustrating a communication method for delivering a lower packet according to an embodiment of the present application;
fig. 5 is a flowchart illustrating a communication method for transmitting an uplink packet when a fault occurs according to an embodiment of the present application;
fig. 6 is a flowchart illustrating a communication method for transmitting a downlink packet when a fault occurs according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "first," "second," "further," "still," and the like in the description and in the claims, as well as in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
An MLAG (Multi-Chassis Link Aggregation Group) technology is a cross-device Link Aggregation technology, and two physical devices are virtualized into one device on an Aggregation layer to implement cross-device Link Aggregation, thereby providing device-level redundancy protection and traffic load. In the related art, a user-side device (e.g., a server) performs cross-device link aggregation with two other devices (switch a and switch B) through an MLAG mechanism, so as to jointly form an MLAG dual-host system. Therefore, the exchanger A and the exchanger B can jointly transmit the flow, and the reliability of the network is ensured. Two sets of double active cross-device link aggregation are needed to be configured for the cross-device link aggregation double-main switch unit. In addition, by BONDING, that is, a plurality of physical network cards of the same device are bound to one virtual network card, and then connection is provided to the outside, high availability or load balancing can be realized. BOUND has multiple modes, one of which is an automatic backup mode, BOUND1 mode. In auto-backup/BOUND 1 mode, only one slave is activated, and the other slave interfaces are activated if and only if the active slave interface fails or is down.
The MLAG switch system in BOUND1 mode is further explained as an example.
The MLAG double-master switch system comprises a gateway device G, a switch A, a switch B and a server C. Switch a and switch B are connected by a direct-link aggregation (peer-link) link and both switch a and switch B are set as master devices, i.e., set to a dual-master mode. At this time, two sets of cross-device link aggregation configurations are required, and the two sets of cross-device link aggregation configurations respectively correspond to the main link and the standby link of the server. Specifically, for the main and standby links of the server, a set of complete cross-device link aggregation configuration Q1 is respectively made by using the first switch a as the main device, and another set of complete cross-device link aggregation configuration Q2 is made by using the second switch B as the main device, so as to complete the dual-master configuration of the two switches. When the gateway device G communicates with the server C, if the multicast traffic is present, the gateway device G performs dual forwarding on the first switch a and the second switch B. If the server C has the main link and standby link switching, the switching selection of the double-main switch system is carried out on the gateway, and the routing calculation of the gateway is triggered again.
It is known that, in order to ensure that the dual active cross device link aggregation switch system handles the networking of the server BOUND1 mode in the related art, dual masters need to be configured in two switches. This approach is not only complex in configuration, wasteful in bandwidth, but also time consuming due to the need for handover.
Based on this, the embodiments of the present application propose a communication method, system, device and storage medium. The dual active cross-device link aggregation switch system in the embodiment of the application is only configured with one main device instead of dual main configurations, and only one set of cross-device link aggregation is configured for the main device, so that the link setting is simplified.
As seen from the gateway side, in the related art, a message needs to be issued for a dual-main-exchange device, that is, a main link formed by two switches. The dual active cross-device link aggregation switch system in the embodiment of the present application is considered as a logical device in the whole network, and when forwarding a message to the dual active cross-device link aggregation switch system, the gateway device sends the message to the dual active cross-device link aggregation switch system according to a load balancing mode. Compared with the related art, the technical scheme of the embodiment of the application saves the bandwidth; and the routing is not needed to be selected according to the MAC address learning condition of the server in order to realize unicast, so that the calculation time is saved.
The embodiments of the present application will be further explained with reference to the drawings.
Fig. 1 is a schematic diagram of a working principle of a dual active cross-device link aggregation switch system, as shown in the figure, a first switch and a second switch form the dual active cross-device link aggregation switch system, where the first switch is a master device, the second switch is a standby device, a port A1 of the first switch and a port B1 of the second switch form a cross-device aggregation link, and are connected to a server C, a server main link is an uplink C1 connected to an A1 port of the first switch, and a server standby link is an uplink C2 connected to a B1 port of the second switch. The uplink A2 of the first switch and the uplink B2 of the second switch are connected to the gateway device G.
Fig. 2 is a schematic flowchart of a communication method, which is applied to a dual active cross-device link aggregation switch system composed of a first switch and a second switch, and the method includes:
s100, the double-active cross-device link aggregation switch system is in butt joint with a server using a self-supporting (BOUND 1) mode;
in some embodiments, the user side equipment comprises a server, which is provided with two uplinks C1 and C2. The cross-equipment link aggregation dual-active switch unit comprises a first switch and a second switch, wherein the first switch is provided with a port A1 and an uplink A2, and the second switch is provided with a port B1 and an uplink B2. The uplink C1 is communicated with the port A1 to realize data transmission between the server and the first switch; and the uplink C2 is communicated with the port B1, so that data transmission between the server and the second switch is realized. When the network card of the server uses the bound1 mode, in a normal communication state, the uplink C1 is enabled to be used as a main link, and the uplink C2 is used as a standby link.
S200, setting the first switch as a main device;
uplink C1 serves as a master link, and the first switch in communication with uplink C1 becomes a master. Uplink C2 is the backup link. The second exchange, which is now in communication with uplink C2, becomes the standby. If the first switch receives the server uplink message transmitted from the uplink C1, it indicates that the main link is normal, and the first switch is still the master device.
When an uplink message needs to be transferred, a communication method includes, as shown in fig. 3:
s300, the double-active cross-device link aggregation switch system receives a message sent by a server through a first switch;
if the first switch receives the server uplink message transmitted from the uplink C1, it indicates that the main link is normal, and the first switch is still the master device.
And S400, the dual active cross-device link aggregation switch system sends the message to the gateway through the first switch.
When a downlink message needs to be transmitted, a communication method includes, as shown in fig. 4:
s500, the dual active cross-device link aggregation switch system receives a message sent by a gateway through a first switch or a second switch;
when the gateway device G needs to send a downlink packet, because a cross-device link aggregation technology is used between the first switch and the second switch, the two switches are virtualized into one device in an aggregation layer, the gateway side does not need to sense that the standby device is switched to the master device, and does not need to distinguish which of the first switch and the second switch is the master device, the gateway device sends the downlink packet through load balancing of an uplink A2 or an uplink B2, and the first switch or the second switch may receive the packet sent by the gateway.
And S600, the second switch receives the downlink message sent by the gateway and sends the downlink message received by the second switch to the first switch through a direct-connection aggregation (peer-link) link.
When the standby device receives the downlink message, the standby device cannot directly transmit the downlink message to the server C because the standby link between the standby device and the server C is in a disabled state or a failure state, and thus the standby device transmits the received downlink message to the main device.
S700, the first exchanger transmits the downlink message to the server C.
The main device can communicate with the server through the main link, and the first switch serving as the main device sends the downlink message to the server.
When a failure of a primary link or a primary device is detected, a communication method for transmitting an uplink packet includes, as shown in fig. 5:
step S800: if the first switch is abnormal, setting the second switch as the master device;
in some embodiments, the user side equipment comprises a server C, which is provided with two uplinks C1 and C2. The cross-device link aggregation dual-active switch unit comprises a first switch and a second switch, wherein the first switch is provided with a port A1 and an uplink A2, and the second switch is provided with a port B1 and an uplink B2. The uplink C1 is communicated with the port A1, and data transmission between the server C and the first switch is realized; and the uplink C2 is communicated with the port B1, so that data transmission between the server and the second switch is realized. When the network card of the server C uses the bound1 mode, in a normal communication state, the uplink C1 is enabled to be the main link, and the first switch communicating with the uplink C1 becomes the master device. The second exchange, which is now in communication with uplink C2, becomes the standby.
In some embodiments, the switch exception may be a transceiving exception, or may be a link exception.
Based on the master-standby strategy that when the server is in the bound1 mode, the backup link is started for information transmission only when the primary link fails, when the second switch receives the server uplink message from the uplink C2, which indicates that the original primary link C1 fails, it can be considered that the second switch detects the primary link failure.
In some embodiments, server C communicates with the second switch via uplink C2 due to the failure of uplink C1, and as uplink C2 becomes the new primary link, the second switch switches from the standby device to the primary device accordingly.
Step S900, the dual active cross equipment link aggregation switch system receives a message sent by a server through a second switch;
in some embodiments, when server C needs to communicate uplink messages, the uplink messages of server C reach the master device through the main link. After the second switch becomes the master device, the uplink message of the server C can be obtained through the uplink C2.
Step S1000, the dual active cross equipment link aggregation switch system sends the message to a gateway through the second switch;
in some embodiments, after the second switch is the master device, the second switch transmits the uplink packet to the gateway device G via the uplink B2.
When a main link or a main device fails and a downlink message needs to be transmitted, a communication method includes, as shown in fig. 6:
s1100: when receiving a message sent by a gateway, a first switch sends the message received by the first switch to a second switch through a direct-connection aggregation (peer-link) link;
in some embodiments, because a cross-device link aggregation technology is used between the first switch and the second switch, the two switches are virtualized as one device in an aggregation layer, the gateway device G does not need to distinguish which of the first switch and the second switch is a master device, and the gateway device sends the downlink packet through uplink A2 or uplink B2 with load balancing, based on which, in some cases, the first switch acquires the downlink packet from the gateway device through uplink B2. Due to the failure of the first switch or the first link, the second switch is switched to the master device, the master device can communicate with the server through the master link, and the second switch switched to the master device forwards the downlink message to the server through the uplink C2.
S1200, the second exchanger transmits the downlink message to the server C.
In some embodiments, when the second switch is switched to the master device, the master device may communicate with the server via the master link, and the second switch sends the downlink message to the server via the uplink C2.
In some embodiments, the method for sending the packet by the gateway device G is as follows:
when the gateway device G needs to send a downlink packet, because a cross-device link aggregation technology is used between the first switch and the second switch, the two switches are virtualized into one device in an aggregation layer, the gateway side does not need to sense that the standby device is switched to the master device, and does not need to distinguish which of the first switch and the second switch is the master device, and the gateway device sends the downlink packet through the uplink A2 or the uplink B2 in a load balancing manner.
In some embodiments, the method for receiving the packet by the gateway device G is as follows:
the first switch and the second switch perform cross-device link aggregation, the aggregation layer is virtualized into a device, from the view of the gateway side, the uplink message is from the same aggregation layer virtual device no matter the uplink message passes through the uplink A2 uplink of the first switch or the uplink message passes through the uplink B2 uplink of the second switch, and the gateway side does not need to sense that the standby device is switched into the main device.
In a second aspect, a communication system is provided, which includes a server, a first switch, a second switch, and a gateway; the dual active cross-device link aggregation switch system consists of a first switch and a second switch; the server is in butt joint with the dual-active cross-equipment link aggregation switch system by using an automatic backup mode; the first switch is a main device; when the first switch is abnormal, the system switches the second switch into the master device, and the gateway does not sense the switching action. In the technical scheme, one main device exists in the dual active cross device link aggregation switch system in the communication system, and only one set of aggregation link needs to be designed for the only main device, so that the purpose of link simplification is achieved. Meanwhile, in the communication system, under the condition that a main link or main equipment fails, the standby equipment is switched into the main equipment, and the uplink message is effectively forwarded, so that the reliability of the communication system is effectively improved. The switch abnormality may be a transmission/reception abnormality or a link abnormality
In a third aspect, a communication device is provided, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the communication method according to the first aspect when executing the program.
In a fourth aspect, a computer-readable storage medium is provided, which stores computer-executable instructions for performing the communication method of the first aspect.
Compared with the related technology of a common dual active dual main cross device link aggregation switch system, the dual active cross device link aggregation switch system processed by the technical scheme only needs to configure a set of cross device link aggregation configuration for the main device, and the link setting is simplified. When the server switches the main link and the standby link, the switching between the main equipment and the standby equipment in the dual active cross equipment link aggregation switch system can be carried out in real time along with the message change of the server by applying the technical scheme, and the switching speed is greatly increased. And when the gateway equipment transmits the downlink message, because multiple sets of cross-equipment links do not exist for aggregation, broadcast or multicast transmission in multiple aggregated links is not needed, and the bandwidth occupation of the links is greatly reduced. By applying the technical scheme, the maintainability, the reliability and the stability of the network equipment can be greatly improved, and the network bandwidth cost can be saved.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, and functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and the scope of the claims of the present application is not limited thereby. Any modifications, equivalents, and improvements made by those skilled in the art without departing from the scope and spirit of the present application should be within the scope of the claims of the present application.
Claims (8)
1. A communication method is applied to a dual active cross-device link aggregation switch system composed of a first switch and a second switch, and is characterized by comprising the following steps:
the dual active cross equipment link aggregation switch system interfaces with a server using a self-backup (BOUND 1) mode;
setting the first switch as a master;
the double active cross-device link aggregation switch system receives a message sent by the server through the first switch;
the double active cross-device link aggregation switch system sends the message to a gateway through the first switch;
and the dual active cross-device link aggregation switch system receives the message sent by the gateway through the first switch or the second switch.
2. The communication method of claim 1, wherein the method further comprises:
and if the second switch receives the message sent by the gateway, sending the message received by the second switch to the first switch through a direct-connection aggregation (peer-link) link.
3. The communication method of claim 1, wherein the method further comprises:
if the first switch is abnormal, setting the second switch as a master device;
the double active cross-device link aggregation switch system receives a message sent by the server through the second switch;
the double active cross-device link aggregation switch system sends the message to a gateway through the second switch;
and the dual active cross-device link aggregation switch system receives the message sent by the gateway through the first switch or the second switch.
4. The communication method of claim 3, wherein the method further comprises:
and if the first switch receives the message sent by the gateway, sending the message received by the first switch to a second switch through a direct-connection aggregation (peer-link) link.
5. The communication method according to claim 2 or 4, characterized in that the method further comprises:
and the gateway transmits the message to the first switch or the second switch in a load balancing way.
6. A communication system, characterized in that the communication system comprises: the system comprises a server, a first switch, a second switch and a gateway;
the dual active cross-device link aggregation switch system is composed of the first switch and the second switch;
the server is in butt joint with the dual active cross-device link aggregation switch system by using an automatic standby mode;
the first switch is a main device;
when the first switch is abnormal, the system switches the second switch into the master device, and the gateway does not sense the switching action.
7. A communication device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the communication method according to any of claims 1 to 5 when executing the program.
8. A computer-readable storage medium storing computer-executable instructions for performing the communication method of any one of claims 1 to 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743440.6A CN115550248A (en) | 2021-06-30 | 2021-06-30 | Communication method, system, equipment and storage medium |
| PCT/CN2022/099900 WO2023273938A1 (en) | 2021-06-30 | 2022-06-20 | Communication method, system and device, and storage medium |
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| CN202110743440.6A CN115550248A (en) | 2021-06-30 | 2021-06-30 | Communication method, system, equipment and storage medium |
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| US9014011B2 (en) * | 2013-02-04 | 2015-04-21 | Dell Products L.P. | Systems and methods for layer-2 traffic polarization during failures in a virtual link trunking domain |
| CN110166356B (en) * | 2018-02-11 | 2021-09-17 | 华为技术有限公司 | Method and network equipment for sending message |
| CN112769587A (en) * | 2019-11-05 | 2021-05-07 | 中兴通讯股份有限公司 | Forwarding method and device for access flow of dual-homing device and storage medium |
| CN111740899B (en) * | 2020-07-13 | 2022-07-12 | 中国联合网络通信集团有限公司 | ARP request message forwarding method, cross-device link aggregation group and network device |
| CN112671642A (en) * | 2021-01-14 | 2021-04-16 | 新华三信息安全技术有限公司 | Message forwarding method and device |
| CN112954064A (en) * | 2021-02-24 | 2021-06-11 | 紫光云技术有限公司 | Method for realizing high-availability networking under cloud network |
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