CN108173691A - A kind of method and device of cross-equipment aggregation - Google Patents
A kind of method and device of cross-equipment aggregation Download PDFInfo
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- CN108173691A CN108173691A CN201711450359.9A CN201711450359A CN108173691A CN 108173691 A CN108173691 A CN 108173691A CN 201711450359 A CN201711450359 A CN 201711450359A CN 108173691 A CN108173691 A CN 108173691A
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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
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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
- H04L41/04—Network management architectures or arrangements
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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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
- H04L45/54—Organization of routing tables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
Abstract
The application provides a kind of method and device of cross-equipment aggregation.A kind of method of cross-equipment aggregation, the method are applied to any member equipment in the networking comprising more same network devices, the method includes：Other member devices establish virtual stack in cascade port and networking based on user configuration；According to the aggregation port information of user configuration, the port for belonging to aggregation port is added in into same aggregation group；The forwarding-table item learnt is synchronized to other described member devices；The port of this equipment is searched from the aggregation port, and according to the state of the port found, changes the local forwarding-table item.The application can make chip that the equipment stacked not supported to realize cross-equipment aggregation, so as to increase the reliability of network.
Description
Technical field
This application involves field of communication technology more particularly to a kind of method and devices of cross-equipment aggregation.
Background technology
With the continuous expansion of network size, to meet the high reliability of network and increasing the demand of link bandwidth, can adopt
Multiple port trunkings of one equipment are used into a logic port with the method for link aggregation.
Since above-mentioned traditional polymerization technique can only realize the backup of link failure, and do not have for the Single Point of Faliure of equipment
Back mechanism, therefore, in practical application, mostly using the polymerization technique of striding equipment, i.e., by multiple port trunkings of distinct device into
One logic port, after realizing some equipment fault, flow energy striding equipment forwards, and ensures the high reliability of network.
Since the polymerization technique of striding equipment often relies on the stacking of equipment, it is desirable that equipment need to have stacking ability.For
Chip is supported for the equipment stacked, is stacked and is usually required to realize dependent on the proprietary protocol of chip manufacturer；And for chip
It does not support for the equipment stacked, it is more difficult to realize the link aggregation of striding equipment.
Invention content
In view of this, the application provides a kind of method and device of cross-equipment aggregation, so that chip does not support what is stacked to set
It is standby to realize cross-equipment aggregation, so as to increase the reliability of network.
Specifically, the application is achieved by the following technical solution：
A kind of method of cross-equipment aggregation, the method includes：
Other member devices establish virtual stack in cascade port and networking based on user configuration；
According to the aggregation port information of user configuration, the port for belonging to aggregation port is added in into same aggregation group；
The forwarding-table item learnt is synchronized to other described member devices；
The port of this equipment is searched from the aggregation port, and according to the state of the port found, modification is described to be turned
Forwarding list item.
A kind of device of cross-equipment aggregation, described device include：
Stack module establishes virtual stack for other member devices in the cascade port based on user configuration and networking；
Aggregation module for the aggregation port information according to user configuration, the port for belonging to aggregation port is added in same
Aggregation group；
Synchronization module, for the forwarding-table item learnt to be synchronized to other described member devices；
First modified module, for searching the port of this equipment from the aggregation port, and according to the port found
State, change the forwarding-table item.
In this application, virtual stacked relation is established by other member devices in the cascade port of user configuration and networking,
And pass through the aggregation port information of user configuration, the port for establishing the equipment stacked is separately added into same aggregation group, Zhi Houke
The forwarding-table item learnt is synchronized to other member devices, so that each member device gets all members in entire networking and sets
Standby forwarding-table item, to simulate cross-equipment aggregation.It in addition, can also be by the state of aggregation port, further to local forwarding table
Item is modified, to ensure that subsequent packet can be forwarded normally after matching the forwarding-table item.Compared with prior art, chip can be made not
The equipment stacked is supported to realize cross-equipment aggregation, so as to increase the reliability of network.
Description of the drawings
Fig. 1 is a kind of method flow diagram of cross-equipment aggregation shown in one exemplary embodiment of the application；
Fig. 2 is a kind of virtual stacked group net figure shown in one exemplary embodiment of the application；
Fig. 3 is a kind of hardware structure diagram of network equipment shown in one exemplary embodiment of the application；
Fig. 4 is a kind of structure diagram of the device of cross-equipment aggregation shown in one exemplary embodiment of the application.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
It is also intended in the application and " one kind " of singulative used in the attached claims, " described " and "the" including majority
Form, unless context clearly shows that other meanings.It is also understood that term "and/or" used herein refers to and wraps
Containing one or more associated list items purposes, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not departing from
In the case of the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
With the continuous expansion of network size, to meet the high reliability of network and increasing the demand of link bandwidth, can adopt
Multiple port trunkings of one equipment are used into a logic port with the method for link aggregation.
Since above-mentioned traditional polymerization technique can only realize the backup of link failure, and do not have for the Single Point of Faliure of equipment
Back mechanism, therefore, in practical application, mostly using the polymerization technique of striding equipment, i.e., by multiple port trunkings of distinct device into
One logic port, after realizing some equipment fault, flow energy striding equipment forwards, and ensures the high reliability of network.
Since the polymerization technique of striding equipment often relies on the stacking of equipment, it is desirable that equipment need to have stacking ability.For
Chip is supported for the equipment stacked, is stacked and is usually required to realize dependent on the proprietary protocol of chip manufacturer；And for chip
It does not support for the equipment stacked, it is more difficult to realize the link aggregation of striding equipment.
Therefore, to solve the above problems, this application provides a kind of method of cross-equipment aggregation, pass through the grade of user configuration
Connection mouth establishes virtual stacked relation, and pass through the aggregation port information of user configuration with other member devices in networking, will establish
The port of the equipment of stacking is separately added into same aggregation group, and the forwarding-table item learnt can be synchronized to other members later sets
It is standby, so that each member device gets the forwarding-table item of all member devices in entire networking, to simulate cross-equipment aggregation.This
Outside, can also local forwarding-table item be changed, so that subsequent packet can be forwarded normally after matching the forwarding-table item according to port status.
Compared with prior art, it can make chip that the equipment stacked not supported to realize cross-equipment aggregation, so as to ensure the reliability of network.
The realization process of the application is described below in conjunction with specific embodiments.
It please refers to Fig.1, Fig. 1 show a kind of method flow diagram of cross-equipment aggregation shown in the embodiment of the present application, the party
Method is applied to any member equipment in the networking comprising more same network devices, and the above-mentioned network equipment can be interchanger etc..
Wherein, this method may comprise steps of：
S101, other member devices establish virtual stack in cascade port and networking based on user configuration.
In the embodiment of the present application, user need to first treat the equipment established and virtually stacked and is configured, it is assumed that will be shown in Fig. 2
Two equipment establish and stack, the cascade port in two equipment need to be respectively configured in user, usually can be by the Fast in equipment
Ethernet ports or Giga Ethernet ports are configured to cascade port.In addition, can also be that device configuration stacks ID etc., such as will
The stacking ID of above-mentioned two equipment is respectively configured as 0 and 1.
It may be assumed that there are 1~4 four ports in equipment 0, there is 7~10 4 ports, and 4 He of port in equipment 0 in equipment 1
Port 7 in equipment 1 is configured as cascade port.
After the completion of configuration, can above equipment 0 and the cascade port 4 and 7 of equipment 1 be connected by cable or cable etc., later
Equipment 0 and equipment 1 can send negotiation packet, such as collecting topology message, EB packet etc. mutually by above-mentioned cascade port, with this
Equipment 0 and equipment 1 is made to establish virtual stacked relation.
The port for belonging to aggregation port according to the aggregation port information of user configuration, is added in same aggregation group by S102.
In the embodiment of the present application, equipment 0 and equipment 1 establish heap poststack, and aggregation port information can be further configured in user,
The port in equipment 0 and equipment 1 is polymerize respectively, and the aggregation port after polymerization is configured to same aggregation port.Example
Such as, the port 1 in equipment 0 and port 2 can be polymerize, the aggregation port after polymerization is A, while by the port 8 in equipment 1
It is polymerize with port 9, the aggregation port after polymerization is also A.
After the polymerization for completing each device port, the information of the port 1 for belonging to aggregation port and port 2 can be also handed down to and set
The information of the port 8 for belonging to aggregation port and port 9, similarly, can be handed down to the chip of equipment 1, i.e., originally set by standby 0 chip
It is standby only to would know which port belongs to aggregation port A in this equipment.
The forwarding-table item learnt is synchronized to other described member devices by S103.
In the embodiment of the present application, after cross-equipment aggregation is completed, the MAC Address list item that equipment 0 can be learnt is same
It walks to equipment 1, similarly, the MAC Address list item that equipment 1 can be learnt is synchronized to equipment 0, to complete equipment 0 and equipment 1
MAC Address list item foundation.
For example, the aggregation port A of equipment 0 receives the message of its subordinate equipment transmission, it can by the source MAC of the message
The study of port of the location with receiving the message, establishes the mapping relations of MAC Address and above-mentioned aggregation port A, and can map this
Relationship is saved in mac address table, after equipment receives message, you can the mac address table is matched, by the purpose with message
Outgoing interface of the port as the message in the matched list item of MAC Address, message is forwarded from the outgoing interface.
The mapping relations of the above-mentioned MAC Address learnt and aggregation port A can be also sent to equipment 1, equipment 1 by equipment 0
Above-mentioned mapping relations are saved in local mac address table.The source MAC of other ports learns similarly, herein not in equipment
It repeats again.After may be assumed that equipment 0 and the progress source MAC study of equipment 1, the MAC Address list item of foundation is as shown in table 1.
| MAC Address | Port |
| Address 1 | Aggregation port A |
| Address 2 | Aggregation port A |
| Address 3 | Port 3 |
| Address 4 | Port 10 |
Table 1
It should be noted that when equipment 0 and equipment 1 carry out MAC address learning, it need to be by cascade port 4 and 7 with closing MAC
Location learns.
In the embodiment of the present application, other than synchronizing above-mentioned mac address table, local ARP tables can be also synchronized to it by equipment
His member device.
In addition, after synchronous forwarding-table item, whether equipment can the port of each list item be also far distance port in inquiry table 1, i.e., not
Belong to the port of this equipment.For equipment 0,4 corresponding port of address belongs to far distance port in table 1；For equipment 1,
3 corresponding port 3 of address is far distance port in table 1.
This is illustrated for sentencing equipment 0, according to table 1 it is found that 4 corresponding port-for-port 10 of address in table 1, does not belong to
In the port of equipment 0, the port modifications in the list item can be cascade port 4, and can record the list item before modification by equipment 0 at this time
Real ports, i.e., port 10, modified list item can be as shown in table 2.
| MAC Address | Port |
| Address 1 | Aggregation port A |
| Address 2 | Aggregation port A |
| Address 3 | Port 3 |
| Address 4 | Cascade port 4 |
Table 2
S104 searches the port of this equipment from the aggregation port, and according to the state of the port found, changes institute
State local forwarding-table item.
In the embodiment of the present application, after forwarding-table item is established, equipment can also be built according to the state of aggregation port to local
Vertical forwarding-table item is modified, so that subsequent packet can match the forwarding-table item, message is enable normally to forward.
Still by taking equipment 0 as an example, it is assumed that the currently-established mac address table as shown in Table 2 above of equipment 0.If it sets at this time
Standby 0 detects port 1 and port 2Down, shows that port 1 and port 2 cannot normally E-Packet, therefore equipment 0 needs inquiry table 2
In with the presence or absence of the list item that port is aggregation port port A, inquiry table 2 is it is found that address 1 and 2 corresponding port of address are polymerization end
Mouthful A, can be revised as cascade port 4 by aggregation port A at this time, as shown in table 3 so that follow-up purpose MAC match address 1 or
The message of address 2 can be transmitted to equipment 1 by cascade port 4, after the local forwarding-table item shown in 1 matching list 1 of equipment, can be led to
The member port 8 or 9 for crossing aggregation port A normally forwards.
| MAC Address | Port |
| Address 1 | Cascade port 4 |
| Address 2 | Cascade port 4 |
| Address 3 | Port 3 |
| Address 4 | Cascade port 4 |
Table 3
In addition, equipment 0 after the aggregation port in list item is revised as cascade port, also need to record it is true before list item modification
Real port, i.e. aggregation port A.When follow-up equipment 0 detects port 1 and/or port 2UP, can 3 middle port of look-up table for cascade
The list item of mouth, and the real ports of the list item according to record, whether the real ports for determining the list item are aggregation port A, if
It is that aggregation port A can be revised as in the port in list item corresponding in table 3 by cascade port 4.It herein can be by address 1 and address in table 3
2 corresponding ports aggregation port A is revised as by cascade port 4.
In this application, multiple equipment is established by virtual stack, and pass through user configuration by the cascade port of user configuration
Aggregation port information, the port of equipment that stacks will be established and polymerize respectively, the MAC Address list item that can will learn later
Other member devices are synchronized to ARP entry, so that each member device gets the forwarding of all member devices in entire networking
List item.In addition, can also further be modified by the state of aggregation port to local MAC Address list item and ARP entry,
To ensure that subsequent packet can be forwarded normally.Compared with prior art, the technical solution of the application can utilize and not support to stack
Equipment realize cross-equipment aggregation, so as to improve the reliability of network.
Corresponding with a kind of aforementioned embodiment of the method for cross-equipment aggregation, present invention also provides a kind of cross-equipment aggregations
Device embodiment.
A kind of embodiment of the device of cross-equipment aggregation of the application can be applied on network devices.Device embodiment can be with
It is realized, can also be realized by way of hardware or software and hardware combining by software.For implemented in software, patrolled as one
Device in volume meaning is by computer program corresponding in nonvolatile memory by the processor of the network equipment where it
Instruction reads what operation in memory was formed.For hardware view, as shown in figure 3, for a kind of cross-equipment aggregation of the application
A kind of hardware structure diagram of the network equipment where device, in addition to processor shown in Fig. 3, memory, network outgoing interface and it is non-easily
Except the property lost memory, the network equipment in embodiment where device, can be with generally according to the actual functional capability of the network equipment
Including other hardware, this is repeated no more.
It please refers to Fig.4, Fig. 4 show a kind of structural representation of the device of cross-equipment aggregation provided by the embodiments of the present application
Figure, the device include：Stack module 410, aggregation module 420, synchronization module 430 and modified module 440.
Wherein, stack module 410 are established virtual for other member devices in the cascade port based on user configuration and networking
It stacks；
Aggregation module 420 for the aggregation port information according to user configuration, the port for belonging to aggregation port is added in same
One aggregation group；
Synchronization module 430, for local forwarding-table item to be synchronized to other described member devices；
First modified module 440, for searching the port of this equipment from the aggregation port, and according to the end found
The state of mouth changes the local forwarding-table item.
In the embodiment of the present application, first modified module 440, is further used for：
Judge the state of port found；
When the state of the port is disconnects DOWN, the local forwarding-table item is traversed, it is determined whether there are outgoing interfaces
List item for the aggregation port；
If in the presence of the outgoing interface in the list item is revised as the cascade port, and before record modification in the list item
Outgoing interface.
In the embodiment of the present application, first modified module 440, is additionally operable to：
When the state of the port is connection UP, the local forwarding-table item is traversed, it is determined whether there are outgoing interfaces to be
The list item of the cascade port, and the outgoing interface before the modification recorded in the list item is the aggregation port；
If in the presence of the outgoing interface in the list item is revised as the aggregation port.
In the embodiment of the present application, described device further includes the second modified module 450, is used for：
When the outgoing interface in list item is the port of other member devices, the outgoing interface of the list item is revised as institute
State cascade port, and the outgoing interface before record modification in the list item.
In the embodiment of the present application, the forwarding-table item includes MAC Address list item and ARP entry.
The function of each unit and the realization process of effect specifically refer to and step are corresponded in the above method in above device
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separate, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place or can also be distributed in multiple network element.It can be according to reality
It needs that some or all of module therein is selected to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The foregoing is merely the preferred embodiment of the application, not limiting the application, all essences in the application
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of the application protection.
Claims (10)
- A kind of 1. method of cross-equipment aggregation, which is characterized in that the method is applied to the group for including more same network devices Any member equipment in net, the method includes：Other member devices establish virtual stack in cascade port and networking based on user configuration；According to the aggregation port information of user configuration, the port for belonging to aggregation port is added in into same aggregation group；The forwarding-table item learnt is synchronized to other described member devices；The port of this equipment is searched from the aggregation port, and according to the state of the port found, changes the forwarding table .
- 2. according to the method described in claim 1, it is characterized in that, the state for the port that the basis is found, described in modification Forwarding-table item, including：Judge the state of port found；When the state of the port is disconnects DOWN, the local forwarding-table item is traversed, it is determined whether there are outgoing interface be institute State the list item of aggregation port；If in the presence of the outgoing interface in the list item is revised as the cascade port, and go out to connect in the list item before record modification Mouthful.
- 3. it according to the method described in claim 2, it is characterized in that, further includes：When the state of the port is connection UP, the local forwarding-table item is traversed, it is determined whether there are outgoing interface be described The list item of cascade port, and the outgoing interface before the list item modification recorded is the aggregation port；If in the presence of the outgoing interface in the list item is revised as the aggregation port.
- 4. it according to the method described in claim 1, it is characterized in that, is set local forwarding-table item is synchronized to other described members After standby, further include：When the outgoing interface in list item is the port of other member devices, the outgoing interface of the list item is revised as the grade Join mouth, and the outgoing interface before record modification in the list item.
- 5. according to the method described in claim 1, it is characterized in that, the forwarding-table item includes MAC Address list item and ARP table .
- 6. a kind of device of cross-equipment aggregation, which is characterized in that described device is applied to the group for including more same network devices Any member equipment in net, described device include：Stack module establishes virtual stack for other member devices in the cascade port based on user configuration and networking；The port for belonging to aggregation port for the aggregation port information according to user configuration, is added in same polymerization by aggregation module Group；Synchronization module, for the forwarding-table item learnt to be synchronized to other described member devices；First modified module, for searching the port of this equipment from the aggregation port, and according to the shape of the port found State changes the forwarding-table item.
- 7. device according to claim 6, which is characterized in that first modified module is further used for：Judge the state of port found；When the state of the port is disconnects DOWN, the local forwarding-table item is traversed, it is determined whether there are outgoing interface be institute State the list item of aggregation port；If in the presence of the outgoing interface in the list item is revised as the cascade port, and go out to connect in the list item before record modification Mouthful.
- 8. device according to claim 7, which is characterized in that first modified module is additionally operable to：When the state of the port is connection UP, the local forwarding-table item is traversed, it is determined whether there are outgoing interface be described The list item of cascade port, and the outgoing interface before the modification recorded in the list item is the aggregation port；If in the presence of the outgoing interface in the list item is revised as the aggregation port.
- 9. device according to claim 6, which is characterized in that described device further includes the second modified module, is used for：When the outgoing interface in list item is the port of other member devices, the outgoing interface of the list item is revised as the grade Join mouth, and the outgoing interface before record modification in the list item.
- 10. device according to claim 6, which is characterized in that the forwarding-table item includes MAC Address list item and ARP table .
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| CN109981353A (en) * | 2019-03-06 | 2019-07-05 | 北京全路通信信号研究设计院集团有限公司 | Neighboring station redundancy protected method and system in a kind of machine frame formula network communication equipment |
| CN109981353B (en) * | 2019-03-06 | 2022-05-24 | 北京全路通信信号研究设计院集团有限公司 | Method and system for protecting adjacent station redundancy in frame type network communication equipment |
| CN111064660A (en) * | 2019-12-26 | 2020-04-24 | 盛科网络（苏州）有限公司 | Method for smoothing Linkagg table entries of chips between master communication equipment and slave communication equipment and communication system |
| WO2021238672A1 (en) * | 2020-05-29 | 2021-12-02 | 中兴通讯股份有限公司 | Entry synchronization method, gateway device, networking system, and storage medium |
| CN111884922A (en) * | 2020-07-21 | 2020-11-03 | 芯河半导体科技(无锡)有限公司 | Local forwarding system for cross-device link aggregation |
| CN112187540A (en) * | 2020-09-28 | 2021-01-05 | 新华三信息安全技术有限公司 | Issuing method of aggregation port configuration and network equipment |
| CN112187540B (en) * | 2020-09-28 | 2022-04-26 | 新华三信息安全技术有限公司 | Issuing method of aggregation port configuration and network equipment |
| CN112367254A (en) * | 2020-10-30 | 2021-02-12 | 新华三技术有限公司 | Cross-device link aggregation method and device and electronic device |
| CN112367254B (en) * | 2020-10-30 | 2022-08-26 | 新华三技术有限公司 | Cross-device link aggregation method and device and electronic device |
| CN113839862A (en) * | 2021-09-16 | 2021-12-24 | 苏州浪潮智能科技有限公司 | Method, system, terminal and storage medium for synchronizing ARP information between MCLAG neighbors |
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