WO2023274162A1 - Procédé de commutation d'agrégation de liaisons inter-dispositifs, système, commutateur et support de stockage - Google Patents

Procédé de commutation d'agrégation de liaisons inter-dispositifs, système, commutateur et support de stockage Download PDF

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Publication number
WO2023274162A1
WO2023274162A1 PCT/CN2022/101582 CN2022101582W WO2023274162A1 WO 2023274162 A1 WO2023274162 A1 WO 2023274162A1 CN 2022101582 W CN2022101582 W CN 2022101582W WO 2023274162 A1 WO2023274162 A1 WO 2023274162A1
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Prior art keywords
switch
link
link aggregation
aggregation group
inter
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PCT/CN2022/101582
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English (en)
Chinese (zh)
Inventor
林宁
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中兴通讯股份有限公司
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Publication of WO2023274162A1 publication Critical patent/WO2023274162A1/fr

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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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

Definitions

  • the embodiments of the present application relate to the field of communication transmission, and in particular to a switching method, system, switch and storage medium for inter-device link aggregation.
  • the first switch whose link is interrupted must perform protocol interaction calculations and then synchronize various forwarding entry information from the second switch. Form the correct bypass forwarding entry.
  • the cross-device link aggregation switch system In order to ensure that the cross-device link aggregation switch system can cope with the service switching after the server link is interrupted, it is necessary to synchronize the forwarding entry and adjust the output direction of the interrupted first switch respectively.
  • this method needs to wait for the protocol to interact and transmit the forwarding table items that need to be synchronized.
  • the action of pointing an item to a new output port will take a long time if there are many entries to be processed, and the time-consuming will increase with the number of entries.
  • the total fault processing time is long, and it is easy to cause network packet loss, which affects the stability of the network.
  • the embodiment of the present application provides a switching method for cross-device link aggregation, which is applied to the first switch in the cross-device link aggregation switch system, and the first switch is provided with links including each downlink port of the first switch. All forwarding entries in the first switch point to the link aggregation group, and the first switch implements data output through the link aggregation group.
  • the method includes: If the communication link of the server is abnormal, it will feed back abnormal information to the second switch in the cross-device link aggregation switch system; the abnormal information is used to instruct the second switch to cancel the connection between the second switch and the downstream Broadcast isolation between servers; the broadcast isolation is to prohibit the second switch from broadcasting the message sent by the first switch; add the port of the first link as the output port of the link aggregation group to the link A road aggregation group; the first link is a communication link between the first switch and the second switch; and the message received from the upper-level device is sent through the output port of the link aggregation group.
  • the embodiment of the present application also provides a switch, the switch is a first switch in an inter-device link aggregation switch system, and the first switch is provided with a link aggregation link including each downlink port of the first switch. All forwarding entries in the first switch point to the link aggregation group, and the first switch implements data output through the link aggregation group, and the first switch includes: a feedback module for If it is detected that the communication link with the downstream server is abnormal, the abnormal information is fed back to the second switch in the cross-device link aggregation switch system; the management module is used to use the port of the first link as the link The output port of the aggregation group is added to the link aggregation group of the first switch to realize message transmission; the first link is a communication link between the first switch and the second switch; sending A module, configured to send the message received from the upper-level device through the output port of the link aggregation group.
  • the embodiment of the present application also provides a switching system for inter-device link aggregation, including: an upper-level device, an inter-device link aggregation switch system communicatively connected to the upper-level device, and communicating with the inter-device link aggregation switch system A connected downstream server; an upper-level device, configured to send a message to the cross-device link aggregation switch system; a cross-device link aggregation switch system, including at least two of the above-mentioned switches, used to send the message sent by the gateway The message is sent to the downstream server; the downstream server is used to receive and process the message forwarded by the inter-device link aggregation switch system.
  • An embodiment of the present application also provides a switch, including: at least one processor; and a memory communicatively connected to the at least one processor; wherein, the memory stores instructions executable by the at least one processor , the instructions are executed by the at least one processor, so that the at least one processor can execute the above-mentioned inter-device link aggregation switching method.
  • the embodiment of the present application also provides a computer-readable storage medium storing a computer program, and when the computer program is executed by a processor, the above-mentioned switching method for inter-device link aggregation is implemented.
  • FIG. 1 is a flow chart of a switching method for inter-device link aggregation provided according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a switching method for inter-device link aggregation provided according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a switch provided according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a switching system for inter-device link aggregation provided according to an embodiment of the present application
  • Fig. 5 is a schematic diagram of a switch provided according to an embodiment of the present application.
  • first and second in the embodiments of the present application are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • the terms “including” and “having” and any variations thereof are intended to cover non-exclusive inclusion. For example, a system, product or equipment comprising a series of components or units is not limited to the listed components or units, but optionally also includes components or units not listed, or optionally also includes Other parts or units inherent in equipment.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • An embodiment of the present application relates to a handover method for inter-device link aggregation.
  • the first switch is provided with a link aggregation group, and all forwarding entries in the first switch are output to the link aggregation group, and the first switch passes the link aggregation group
  • the aggregation group implements data output, and the specific process is shown in Figure 1.
  • Step 101 if it is detected that the communication link with the downstream server is abnormal, feed back abnormal information to the second switch in the inter-device link aggregation switch system; the abnormal information is used to instruct the second switch to cancel the connection between the second switch and the downstream server. Broadcast isolation between; broadcast isolation is to prohibit the second switch from broadcasting the message sent by the first switch;
  • Step 102 adding the port of the first link as the output port of the link aggregation group to the link aggregation group;
  • the first link is a communication link between the first switch and the second switch;
  • Step 103 sending the message received from the upper-level device through the output port of the link aggregation group.
  • the link aggregation group when inter-device link aggregation is switched, the link aggregation group is set at the downlink port of the switch.
  • the output port of the link aggregation group can be modified to reduce downlink Time for port switching. Allow the two switches to respond quickly and quickly complete the topology change of the entire system. Due to its fast processing speed, it reduces the processing time when the switch transmits a fault, which will greatly reduce the network packet loss at the time of the fault, thereby greatly improving the network. Stability, ease of use, reliability.
  • step 101 if it is detected that the communication link with the downstream server is abnormal, the abnormality information is fed back to the second switch in the inter-device link aggregation switch system.
  • the first switch can perceive the link interruption phenomenon through the link state and needs to switch, and then feeds back the corresponding abnormal information to the second switch in the inter-device link aggregation switch system.
  • the first switch passes The link state can sense the demand for increased bandwidth on the link, and the output path needs to be widened, and then feeds back corresponding abnormal information to the second switch in the inter-device link aggregation switch system.
  • the first switch can identify the situation that the communication link connection of the current first switch is interrupted, or the bandwidth of the communication link connection channel is insufficient, and promptly report to the second switch in the current inter-device link aggregation switch system.
  • the switch feeds back that the current first switch is abnormal and needs to be dealt with accordingly.
  • feeding back the abnormal information to the second switch in the cross-device link aggregation switch system includes: sending a message containing the abnormal information to the second switch, and the message containing the abnormal information is used to instruct the second switch to cancel the first switch. Broadcast isolation between the second switch and the downstream server; the broadcast isolation is to prohibit the second switch from broadcasting messages sent by the switch. That is, when the current abnormal first switch feeds back the abnormal condition to the second switch, it directly sends a message to reduce the time for protocol interactive calculation in the convergence of protocol calculation.
  • switches in some examples may have a broadcast isolation phenomenon, that is, by prohibiting switches from re-forwarding data from other switches, data transmission is prevented from forming an unsolvable loop.
  • the second switch needs to be used to forward the data of the currently failed first switch, that is, it is necessary to avoid the broadcast isolation phenomenon, so the abnormal information is fed back to the second switch to cancel the broadcast between the second switch and the downstream server
  • An isolation function so that when the second switch receives the message sent by the faulty first switch and received from the upper-level device, it can forward it to the downstream server.
  • the abnormal information is fed back to the second switch in the cross-device link aggregation switch system, for example: feeding back abnormal information to the second switch in the cross-device link aggregation switch system through the first link, or through the first switch and the second switch
  • the uplink device between the two switches feeds back the abnormal information in a detour, that is, the intermediate feedback path for feeding back the abnormal information is not limited.
  • the first link is a peer-link link, that is, the abnormal information can be transmitted through the peer-link link, or can also be sent through the keepalive link, or borrowed from other uplink device links to detour, etc.
  • the communication link between two switches is used for sending, wherein, the uplink device is such as a gateway device.
  • a message including abnormal information is sent through a peer-link link, a keepalive link or an uplink device.
  • the second switch may also be provided with a link aggregation group including each downlink port of the second switch, and all forwarding entries in the second switch are output to the link aggregation group, and the second switch passes the link aggregation group.
  • Aggregation groups realize data output and execute corresponding functional features. That is to say, it is not limited that switches other than the first switch in the cross-device link aggregation switch system do not have various functional features of the first switch.
  • the communication between the first switch and the second switch can be performed through a private protocol or a public protocol with a private field.
  • step 102 the port of the first link is added to the link aggregation group as an output port of the link aggregation group; the first link is a communication link between the first switch and the second switch.
  • the current first switch senses that the transmission of the first switch to the lower level is abnormal, and feeds back the abnormal information to the second switch, intending to switch or multiplex the communication link of the second switch.
  • the port of the first link with the second switch is added to the link aggregation group as an output port of the link aggregation group to implement data transmission.
  • Adding the port of the first link to the link aggregation group means that the link aggregation group is allowed to use the port of the first link as an output port to transmit data to the external device through the first link.
  • the first link is a peer-link link.
  • the first switch can perceive the interruption of the link through the link state, and in the case of switching; after adding the port of the first link as an output port to the link aggregation group of the first switch, The original output port of the original link aggregation group is also deleted. That is, when the original output link is interrupted, the original output path is canceled and data transmission is performed only through the first link and the second switch.
  • the communication link between the first switch and the downstream server is abnormal; If you can perceive that there is a need to increase the bandwidth of the output link, and the output path needs to be widened; after adding the port of the first link as an output port to the link aggregation group of the first switch, keep the link aggregation group original output port. That is, in this case, it indicates that the output bandwidth of the current first switch is insufficient, so the original output port is reserved, and the first link is added as a new output port to widen the transmission bandwidth of the current first switch.
  • step 103 the message is sent to the downstream server through the second switch. That is, after the first link is added as a new output port to the link aggregation group of the current first switch, the current first switch can directly adjust the output ports of the link aggregation group in a unified manner, without requiring the first switch Each port in the first switch is respectively adjusted to point to reduce the time for switching each downlink port in the first switch.
  • the first switch can perceive the interruption of the link through the link status and needs to switch over; the output packets of the first switch are sent to the Downstream servers or other downstream devices. That is, when the original output link is interrupted, the original output path is cancelled, and all messages received from the upper-level device are sent to the second switch through the first link for the second switch to transmit the messages to the downstream server.
  • the first switch passes the link status, it can be perceived that there is a demand for increased bandwidth on the link and the output path needs to be widened; the original output port is reserved, and the first link is added to the link aggregation group as an optional new output port. That is, in this case, it indicates that the output bandwidth of the first switch is insufficient, so the original output port is reserved, and the first link is added as a new output port to widen the transmission bandwidth of the first switch.
  • the switch is used for the second switch to send part of the packets to the downstream server.
  • the first switch is switch A and the second switch is switch B to form a cross-device link aggregation switch system, wherein, switch A port A1 and switch B's Port B1 forms a cross-device link aggregation group and is connected to server C.
  • the main link C1 of the server is connected to port A1 of switch A
  • port C2 is connected to port B1 of switch B.
  • Uplink A2 of switch A and uplink B2 of switch B are connected to gateway G.
  • switch A senses the failure.
  • Switch A sends a fault notification message or packet to Switch B through the peer-link link.
  • Switch B receives the fault notification or message, and after analysis, it is found that the link to the downlink server port of Switch A is interrupted.
  • Switch B enables the broadcast isolation between the link aggregation groups from the peer-link to the downlink server.
  • switch A finds the link aggregation group where A1 is located, adds the peer-link port to the link aggregation group, and removes A1 from the link aggregation group. All other forwarding entries of switch A remain unchanged.
  • all messages passing through switch A will be searched through the forwarding table entries, and the forwarding exit will go to the link aggregation group leading to the server in the downlink. Since the members in the link aggregation group are replaced with peer-link ports, the messages will be forwarded to Switch B, and then go to server C from the B1 port of switch B.
  • switch A senses that the bandwidth of port A1 is insufficient, switch A sends a failure notification message or message to switch B through the peer-link link.
  • Switch B receives the fault notification or message, and after analysis, it is found that switch A has insufficient link bandwidth leading to the downlink server port.
  • Switch B enables the broadcast isolation between the link aggregation groups from the peer-link to the downlink server.
  • Switch A finds the link aggregation group where A1 is located, and adds the peer-link port to the link aggregation group. All other forwarding entries of switch A remain unchanged. At this moment, all packets passing through switch A will be searched through the forwarding entries , the forwarding egress goes to the link aggregation group that leads to the server in the downlink.
  • this method can also be used to add a new output port without removing the original output port, so as to share the insufficient bandwidth traffic. Applying this method can quickly complete the fast switching of the topology of the entire cross-device link aggregation switch system at the time of failure, reduce network packet loss at the time of failure, and greatly improve the reliability and stability of network equipment.
  • the switch when inter-device link aggregation is switched over, the switch detects the fault and directly notifies it through the message to reduce the time for protocol interaction calculation in the convergence of protocol calculation.
  • step division of the above various methods is only for the sake of clarity of description. During implementation, it can be combined into one step or some steps can be split and decomposed into multiple steps. As long as they include the same logical relationship, they are all within the scope of protection of this patent. ; Adding insignificant modifications or introducing insignificant designs to the algorithm or process, but not changing the core design of the algorithm and process are all within the scope of protection of this patent.
  • One embodiment of the present application relates to a switch. It is the first switch in the inter-device link aggregation switch system, the first switch is provided with a link aggregation group including each downlink port of the first switch, and all forwarding entries in the first switch are output to the link aggregation group, the first switch implements data output through the link aggregation group, specifically as shown in Figure 3, the first switch includes:
  • the feedback module 201 is configured to feed back abnormal information to the second switch in the cross-device link aggregation switch system if it is detected that the communication link with the downstream server is abnormal; the abnormal information is used to instruct the second switch to cancel the connection between the second switch and the Broadcast isolation between downstream servers; broadcast isolation is to prohibit the second switch from broadcasting the message sent by the first switch;
  • the management module 202 is configured to add the port of the first link as an output port of the link aggregation group to the link aggregation group; the first link is a communication link between the first switch and the second switch;
  • the sending module 203 is configured to send the message received from the upper-level device through the output port of the link aggregation group.
  • detecting an abnormality in the communication link with the downstream server includes: the number of interrupted entries in the communication link between the first switch and the downstream server exceeds the first threshold, or the communication between the switch and the downstream server The bandwidth of the link is less than the second threshold.
  • feeding back the abnormal information to the second switch in the cross-device link aggregation switch system includes: feeding back the abnormal information to the second switch through the first link, or feeding back the abnormal information through a superior device bypass.
  • the management module 202 For the management module 202, if the abnormality identified by the feedback module 201 is that the number of interrupted entries in the communication link exceeds the first threshold, then after adding the port of the first link as an output port to the link aggregation group of the first switch , further comprising: deleting the original output port of the link aggregation group.
  • the sending module 203 For the sending module 203, if the abnormality identified by the feedback module 201 is that the number of interrupted entries in the communication link exceeds the first threshold, then the messages received by the first switch from the upper-level device are sent to the The second switch is used for the second switch to send the message to the downstream server. and the second switch to the downstream server; if the abnormality identified by the feedback module 201 is that the bandwidth of the communication link is less than the second threshold, some of the messages received from the upper-level device will be sent through the link The original output port of the aggregation group is sent to the downstream server, and the rest of the received packets are sent to the second switch through the first link, so that the second switch can send part of the packets to the downstream server.
  • the first link is a peer-link link.
  • the switch when inter-device link aggregation is switched, the switch detects the fault and directly notifies through the message, which reduces the time for protocol interaction calculation in the convergence of protocol calculation, and at the same time sets the link aggregation group at the downlink port of the switch.
  • you need to modify the forwarding port you only need to modify the members of the link aggregation group to reduce the downlink port switching time. Allow the two switches to respond quickly and complete the topology change of the entire system quickly. Due to its fast processing speed, it will greatly reduce network packet loss at the time of failure, thereby greatly improving network stability, ease of use, and reliability. sex.
  • this embodiment is a system embodiment corresponding to the above embodiment, and this embodiment can be implemented in cooperation with the above embodiment.
  • the relevant technical details mentioned in the foregoing implementation manners are still valid in this implementation manner, and will not be repeated here in order to reduce repetition.
  • the relevant technical details mentioned in this implementation manner may also be applied in the foregoing implementation manners.
  • modules involved in this embodiment are logical modules.
  • a logical unit can be a physical unit, or a part of a physical unit, or multiple physical units. Combination of units.
  • units that are not closely related to solving the technical problems proposed in the present application are not introduced in this embodiment, but this does not mean that there are no other units in this embodiment.
  • An embodiment of the present application relates to a switching system for inter-device link aggregation, as shown in FIG.
  • the upper-level device 301 is configured to send a message to the inter-device link aggregation switch system
  • the cross-device link aggregation switch system 302 includes at least two of the above-mentioned switches, which are used to transmit the message sent by the upper-level device to the downstream server;
  • the downstream server 303 is configured to receive and process the message forwarded by the inter-device link aggregation switch system.
  • the first switch in the cross-device link aggregation switch system is provided with a link aggregation group including each downlink port of the first switch, and all forwarding entries in the first switch are output to the link aggregation group, and the first switch A switch implements data output through the link aggregation group.
  • the first switch detects that the communication link with the downstream server is abnormal, it will feed back abnormal information to the second switch in the cross-device link aggregation switch system; the port of the first link is used as the link The output port of the aggregation group joins the link aggregation group of the first switch; the first link is a communication link between the first switch and the second switch; the message received from the upper-level device is aggregated through the link The output port of the group is sent, and the upper-level device is such as a gateway device.
  • the first switch when the first switch perceives that the link with the downstream server has an overall failure, the first switch that senses the failure immediately sends a packet or message to the second switch to notify the second switch to cancel the link to the downstream server.
  • the broadcast isolation of the downstream server enables the packets passing through the faulty switch to traverse the first link to reach the downstream server smoothly.
  • all the forwarding entries of the faulty switch remain unchanged. In the link aggregation group pointed to by the forwarding entry, all ports leading to the downstream server are removed, and the port of the first link is added to the original link aggregation group.
  • the forwarding egress change of all the failed switches can be completed immediately, and the data message is immediately forwarded to the first link to complete the action of traversing to the second switch.
  • the topology change of the entire inter-device link aggregation switch system can be completed in a very short time, reducing network interruption at the time of failure and packet loss.
  • this system can also deal with the insufficient link bandwidth of the switch. If there is insufficient bandwidth in the process of transmitting to the downstream server or other downstream equipment, the first switch will Insufficient bandwidth is detected. At this time, it can be processed according to the method of adding the first link above.
  • the original link structure After the first link is added to the link aggregation group with insufficient bandwidth, the original link structure will not be changed.
  • the communication links jointly perform load sharing, so that a part of traffic can be guaranteed to be shared by the first link, thereby solving the situation of insufficient bandwidth.
  • the first link may be a peer-link link.
  • the switch when inter-device link aggregation is switched, the switch detects the fault and directly notifies through the message, which reduces the time for protocol interaction calculation in the convergence of protocol calculation, and at the same time sets the link aggregation group at the downlink port of the switch.
  • you need to modify the forwarding port you only need to modify the members of the link aggregation group to reduce the downlink port switching time. Allow the two switches to respond quickly and complete the topology change of the entire system quickly. Due to its fast processing speed, it will greatly reduce network packet loss at the time of failure, thereby greatly improving network stability, ease of use, and reliability. sex.
  • An embodiment of the present application relates to a switch. As shown in FIG. 5 , including: at least one processor 401; and,
  • the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the above-mentioned inter-device link aggregation switching method.
  • the memory and the processor are connected by a bus
  • the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory together.
  • the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
  • a bus port provides a port between the bus and the transceiver.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
  • the data processed by the processor is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor.
  • the processor manages the bus and general processing, and can also provide a variety of functions, including timing, peripheral ports, voltage regulation, power management, and other control functions. Instead, memory may be used to store data that the processor uses when performing operations.
  • One embodiment of the present application relates to a computer-readable storage medium storing a computer program.
  • the above method embodiments are implemented when the computer program is executed by the processor.
  • the program is stored in a storage medium, and includes several instructions to make a device ( It may be a single chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

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Abstract

Des modes de réalisation de la présente demande concernent le domaine de la transmission de communication, et en particulier un procédé de commutation d'agrégation de liaisons inter-dispositifs, un système, un commutateur et un support de stockage. Le procédé de commutation d'agrégation de liaisons inter-dispositifs est appliqué à un commutateur dans un système de commutation d'agrégation de liaisons inter-dispositifs, le commutateur est pourvu d'un groupe d'agrégation de liaisons comprenant des ports de liaison descendante du commutateur, la sortie de toutes les entrées de transfert dans le commutateur pointe vers le groupe d'agrégation de liaisons, et le commutateur délivre en sortie des données au moyen du groupe d'agrégation de liaisons. Le procédé consiste à : s'il est détecté qu'une liaison de communication vers un serveur aval est anormale, renvoyer des informations d'anomalie à un second commutateur dans un système de commutation d'agrégation de liaisons inter-dispositifs ; ajouter le port d'une première liaison, en tant que port de sortie d'un groupe d'agrégation de liaisons, au groupe d'agrégation de liaisons, la première liaison étant une liaison de communication entre un commutateur et le second commutateur ; et envoyer, au moyen du port de sortie du groupe d'agrégation de liaisons, un paquet reçu en provenance d'un dispositif de niveau supérieur.
PCT/CN2022/101582 2021-07-01 2022-06-27 Procédé de commutation d'agrégation de liaisons inter-dispositifs, système, commutateur et support de stockage WO2023274162A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110744674.2A CN115567437A (zh) 2021-07-01 2021-07-01 跨设备链路聚合的切换方法、系统、交换机及存储介质
CN202110744674.2 2021-07-01

Publications (1)

Publication Number Publication Date
WO2023274162A1 true WO2023274162A1 (fr) 2023-01-05

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CN108337161A (zh) * 2017-12-18 2018-07-27 中国电子科技集团公司第三十二研究所 一种mlag接口故障三层数据流量平滑切换的方法
CN110166356A (zh) * 2018-02-11 2019-08-23 华为技术有限公司 发送报文的方法和网络设备
CN112671642A (zh) * 2021-01-14 2021-04-16 新华三信息安全技术有限公司 一种报文转发方法及设备

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CN107659496A (zh) * 2016-07-26 2018-02-02 新华三技术有限公司 一种数据处理方法和装置
CN108337161A (zh) * 2017-12-18 2018-07-27 中国电子科技集团公司第三十二研究所 一种mlag接口故障三层数据流量平滑切换的方法
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CN112671642A (zh) * 2021-01-14 2021-04-16 新华三信息安全技术有限公司 一种报文转发方法及设备

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