CN103916281B - A kind of dynamic LACP aggregated link failures restoration methods - Google Patents
A kind of dynamic LACP aggregated link failures restoration methods Download PDFInfo
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Abstract
The present invention provides a kind of dynamic LACP aggregated link failures restoration methods, including whether monitoring dynamic LACP aggregation groups link recovers with the presence or absence of failure and failure in real time；After the notice of dynamic LACP aggregated link failures recovery is received, dynamic LACP protocol process module performs corresponding processing；Dynamic LACP aggregated link failures recovery situation is notified into system.The method that the dynamic LACP aggregated link failures of the present invention recover provides to be recovered to carry out the mechanism of dynamic detection and processing to dynamic LACP aggregated link failures；Increase is to aggregation group member port verification scheme after aggregated link failures recovery, it is ensured that LACP aggregation groups being capable of normal work in the case where being limited no more than aggregation group port specification；Provide link failure recovery and report mechanism, ensured that link-recovery can recognize the communications status of aggregation group member port in time after normal；Realize simple, strong operability.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of dynamic link aggregation control protocol (Link
Aggregation control protocol, LACP) aggregated link failures restoration methods.
Background technology
Link aggregation (Link Aggregation) is a kind of skill that multiple physical ports are bundled into a logic port
Art.The technology can connect multiple physical connections to handle as a single logic, it is allowed between two network equipments
It is connected in parallel by multiple ports, simultaneous transmission data, to provide higher bandwidth and handling capacity, improves the stability of a system.Chain
It is the agreement for realizing dynamic aggregation that road polymerization, which is divided into manual polymerization, static polymerization and three kinds of dynamic aggregation, LACP,.As shown in figure 1,
Under LACP protocol integrated test systems, LACP agreements pass through Link Aggregation Control Protocol Data Unit (Link Aggregation
Control Protocol Data Unit, LACPDU) and opposite end interactive information.It is located at after LACP is enabled in dynamic aggregation group
Physical port by by send LACPDU to opposite end notice oneself system LACP treaty override level, system MAC, port LACP
Treaty override level, port numbers and Operational Key.After opposite end receives LACPDU, information therein and other ports are received
Information is compared, and the interface of Selected states is at selection, so as to which both sides can be in Selected with docking port
State is reached an agreement, so that multilink (Member Link) pools a higher logical links of bandwidth.
With developing rapidly for network communications technology, link aggregation technology is more and more applied to data transfer
During.LACP texts of mutually being transmitted messages between terminal device are communicated, consulted and notice failure, by agreement come realize polymerization and
Depolymerize.Due to the maloperation of user, networking is complicated and excessively flexible etc. factor of dynamic LACP agreements, link failure are
Very common thing.In the prior art, LACP technologies are concentrated mainly in polymerization realization and link failure processing.For example,
It is Application No. 201110308340.7, entitled《A kind of LACP link switchings, data transmission method and device》China
Patent discloses a kind of aggregated link switching method.It is Application No. 200710145736.8, entitled《Realize link failure
The method, system and device of processing》Chinese patent disclose it is a kind of realize link failure processing method, system and device.
After failure solution, it is desirable to be able to it is quick and accurately recover aggregated links, and by newest fault recovery state
Notify user.However, current LACP technology is mainly to realize the implementation method of polymerization, link failure processing method etc., and it is right
In the not clear and definite and specific method of link failure recovery.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of event of dynamic LACP aggregated links
Hinder restoration methods, the characteristics of it fully takes into account system hardware framework and dynamic LACP link aggregation protocols, gather in dynamic LACP
Link is closed after trouble shooting, can quickly and accurately detect fault recovery event, and based on the different classes of of failure
The fault recovery of aggregated links is carried out respectively, is allowed to return to normal condition, is then realized the dynamic control to data link, carry
The bandwidth and handling capacity of high link, improve network stabilization.
In order to achieve the above objects and other related objects, the present invention provides a kind of dynamic LACP aggregated link failures recovery side
Method, comprise at least：Step S11, whether monitoring dynamic LACP aggregated links is recovered with the presence or absence of failure and failure in real time, when dynamic
When state LACP aggregated link failures recover event generation, notice dynamic LACP protocol process module is handled；Step S12, it is dynamic
State LACP protocol process module is after the notice of dynamic LACP aggregated link failures recovery is received, for by physical factor institute
Caused link failure recovery, dynamic LACP protocol process module initialization LACP ports and polymerization group information, refresh port shape
State machine information；For the link failure recovery caused by non-physical factor, start or send state machine, receive or send
LACP messages；Step S13, after dynamic LACP aggregated link failures recover, whether current ink aggregation group member port number is judged
More than the aggregation group maximum port number of system configuration；If so, it is transferred to step S14；If it is not, it is transferred to step S15；Step S14, it is based on
The system identifier of port is adjusted to current ink polymerization group membership, on the premise of the limitation of aggregation group maximum port number is met,
Port of choosing using section ports as aggregation group, unselected middle port of the section ports as aggregation group；Step S15, open poly-
The charge-coupled data transfer for choosing port, close the data transfer of unselected middle port；Step S16, dynamic LACP aggregated links is extensive
After answering normally, the data transmission state that notice informs system dynamic LACP aggregated links is sent.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：In the step S11, if dynamic LACP
Failure is not present in aggregated links or failure is not recovered, then flow terminates.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：In the step S12, the dynamic
LACP aggregated link failures are divided into two major classes：1) aggregated link failures caused by physical factor；2) port is unselected state institute
The non-physical considerations link failure brought.
Further, according to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：For by non-physical factor
Caused dynamic LACP aggregated link failures recover, and cause if failure is gone to enable by overall situation switch, initiated polymerization port
Information, starting state machine, and issue polymerization group information and driven to exchange.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：In the step S13, system support pair
Aggregation group maximum port number is configured.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：In the step S14, the port
System identifier includes port numbers and port priority.
Further, according to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：If priority is different,
Choose port of the higher port of priority as aggregation group is then chosen, the relatively low port of priority is as the unselected of aggregation group
Port；If priority is identical, then compares port numbers, on the premise of the limitation of aggregation group maximum port number is met, port is chosen
Number choose port of the less port as aggregation group, unselected middle port of the larger port of port numbers as aggregation group.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein：In step S15, aggregation port letter is issued
Exchange driving is ceased, recovers data transfer corresponding to faulty link data；Deletion port status is driven newly to be revised as not from exchanging
The corresponding port information chosen, close the data transfer of corresponding data link.
As described above, the dynamic LACP aggregated link failures restoration methods of the present invention, have the advantages that：
(1) provide and dynamic LACP aggregated link failures are recovered to carry out the mechanism of dynamic detection and processing, it is ensured that link
After fault recovery, it can timely recover the data transfer of link；
(2) flexibility of dynamic LACP aggregation port numbers is considered, system supports the limitation to aggregation group maximum port,
Dynamic LACP aggregated link failures recover after increase to aggregation group member port verification scheme, it is ensured that LACP aggregation groups no more than
Being capable of normal work under the limitation of aggregation group port specification；
(3) provide link failure recovery and report mechanism, ensured that link-recovery can recognize aggregation group in time after normal
The communications status of member port；
(4) simple, strong operability is realized.
Brief description of the drawings
Fig. 1 is shown as the application scenarios schematic diagram of dynamic LACP link aggregations in the prior art；
Fig. 2 is shown as the flow chart of dynamic LACP aggregated link failures restoration methods in the present invention；
Fig. 3 is shown as the process chart of the dynamic LACP protocol modules of the present invention.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be noted that the diagram provided in the present embodiment only illustrates the basic conception of the present invention in a schematic way,
Then the component relevant with the present invention is only shown in schema rather than is painted according to component count, shape and the size during actual implement
System, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout kenel also may be used
Can be increasingly complex.
Reference picture 2, the general steps of dynamic LACP aggregated link failures restoration methods of the invention are as follows：
Step S1：Monitoring dynamic LACP aggregation groups link whether there is failure in real time, if so, being transferred to step S2；If it is not, stream
Journey terminates；
Step S2：Whether monitoring dynamic LACP aggregation groups link failure recovers in real time, if so, being transferred to step S3；If it is not, stream
Journey terminates；
Step S3：Dynamic LACP aggregated link failures recovery notice is sent to dynamic LACP protocol process module, dynamic
LACP protocol process module performs corresponding processing, such as recovers the data transfer of link；
Step S4：Dynamic LACP aggregated link failures recovery situation is notified into system.
In order to after the releasing of dynamic LACP aggregated link failures, accurately rapidly recover the communications status of link, this hair
Bright dynamic LACP aggregated link failures restoration methods, including herein below：
A, link failure recovery dynamic monitoring and treatment mechanism
Message that the event of dynamic monitoring system such as receives, system hardware event, and according to causing link failure
Reason difference is handled accordingly.Specifically, if failure caused by receiving message time-out, when fault recovery and receive
During the message that opposite end sends over, then start user equipment and complex controll state machine；If ports physical cause trouble,
Then after fault recovery, hardware interrupts very first time notice LACP protocol module starts the state machine of port.
B, it polymerize the dynamic adjustment of group membership
Because aggregation group maximum port number limits, after faulty link recovers, such as port number of current aggregation group, which is more than, is
It is under unified central planning to put aggregation group maximum port number, then need to compare port corresponding to fault recovery link and current aggregation group port
Compared with, and dynamic adjustment is carried out to polymerization group membership based on comparative result.
C, fault recovery reports mechanism
After dynamic LACP aggregated link failures recover, very first time report and alarm notice system, and open or close number
According to transmission channel, the communications status of current aggregated links is informed.
Reference picture 2 and Fig. 3, dynamic LACP aggregated link failures restoration methods of the invention specifically include following steps：
Step S11, whether monitoring dynamic LACP aggregated links is recovered with the presence or absence of failure and failure in real time, when dynamic
When LACP aggregated link failures recover event generation, notice dynamic LACP protocol process module is handled.
Wherein, when failure is not present in dynamic LACP aggregated links or failure is not recovered, flow terminates.
Step S12, dynamic LACP protocol process module receive dynamic LACP aggregated link failures recovery notice after,
For the link failure recovery caused by physical factor, dynamic LACP protocol process module initialization LACP ports and polymerization
Group information, refresh port state machine information；For the link failure recovery caused by non-physical factor, start or send shape
State machine, receive or send LACP messages.
Specifically, the difference based on fault category, dynamic LACP protocol process module carry out different processing.According to causing
The reason for link failure, dynamic LACP aggregated link failures are divided into two major classes：1) physical factor such as ports physical state, duplex is led
The aggregated link failures of cause；2) physical link connection is normal, and the wherein factor such as side device port LACP message abnormal receivings is led
The port of cause is non-physical considerations link failure caused by unselected state.
Recover for the dynamic LACP aggregated link failures caused by physical factor, dynamic LACP protocol process module
After the dynamic LACP aggregated link failures for the system that receives recover notice, initialization LACP ports and polymerization group information, refresh
Port status machine information etc..Recover for the dynamic LACP aggregated link failures caused by non-physical factor, then according to failure
The reason for recovery, carries out different processing, for example, failure by the enabled switch of the overall situation go it is enabled cause, it is global enabled after fault recovery
Switch is opened, then needs initiated polymerization port information, starting state machine, and is issued polymerization group information and driven to exchange.
Step S13, after dynamic LACP aggregated link failures recover, judge whether current ink aggregation group member port number is big
In the aggregation group maximum port number of system configuration；If so, it is transferred to step S14；If it is not, it is transferred to step S15.
Wherein, system is supported to configure aggregation group maximum port number.
Step S14, current ink polymerization group membership is adjusted based on the system identifier of port, is meeting aggregation group maximum
On the premise of port number limits, the port of choosing using section ports as aggregation group, section ports are as the unselected of aggregation group
Port.
Specifically, after dynamic LACP aggregated link failures recover, it is if current ink aggregation group member port number is more than
The limitation of the aggregation group maximum port number under unified central planning put, then need the ID of more each port.The system identifier of port includes port numbers
And port priority.If priority is different, choose port of the higher port of priority as aggregation group, priority are chosen
Unselected middle port of the relatively low port as aggregation group.If priority is identical, then compares port numbers, meeting aggregation group maximum
On the premise of port number limits, the less port of port numbers is chosen to choose the port of choosing as aggregation group, port numbers are larger
Unselected middle port of the port as aggregation group.
Step S15, the data transfer for choosing port of aggregation group is opened, closes the data transfer of unselected middle port.
Specifically, aggregation port information is issued to driving is exchanged, and recovers data transfer corresponding to faulty link data；From friendship
Change driving deletion port status and be newly revised as unchecked corresponding port information, close the data transfer of corresponding data link.
Step S16, after dynamic LACP aggregated links recovers normal, send notice and inform system dynamic LACP aggregated links
Data transmission state.
In summary, the method that dynamic LACP aggregated link failures of the invention recover is provided to dynamic LACP polymeric chains
Road fault recovery carries out dynamic detection and the mechanism of processing, it is ensured that after link failure recovery, can timely recover the number of link
According to transmission；In view of the flexibility of dynamic LACP aggregation port numbers, system supports the limitation to aggregation group maximum port, polymerization
Increase is to aggregation group member port verification scheme after link failure recovery, it is ensured that LACP aggregation groups are advised no more than aggregation group port
Being capable of normal work under lattice limitation；Provide link failure recovery and report mechanism, ensured that link-recovery can be timely after normal
Solve the communications status of aggregation group member port；Simple, strong operability is realized simultaneously.So the present invention effectively overcome it is existing
Various shortcoming in technology and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of dynamic LACP aggregated link failures restoration methods, it is characterised in that comprise at least：
Step S11, whether monitoring dynamic LACP aggregated links is recovered with the presence or absence of failure and failure in real time, when dynamic LACP gathers
When closing the generation of link failure recovery event, notice dynamic LACP protocol process module is handled；
Step S12, dynamic LACP protocol process module receive dynamic LACP aggregated link failures recovery notice after, for
Link failure recovery caused by physical factor, dynamic LACP protocol process module initialization LACP ports and aggregation group letter
Breath, refresh port state machine information；For the non-physical factor link failure recovery as caused by the unselected state in port, start
Or state machine is sent, receive or send LACP messages；
Step S13, after dynamic LACP aggregated link failures recover, judging whether current ink aggregation group member port number is more than is
The aggregation group maximum port number under unified central planning put；If so, it is transferred to step S14；If it is not, it is transferred to step S15；
Step S14, current ink polymerization group membership is adjusted based on the system identifier of port, is meeting aggregation group maximum port
On the premise of number limitation, the port of choosing using section ports as aggregation group, unselected middle port of the section ports as aggregation group；
Step S15, the data transfer for choosing port of aggregation group is opened, closes the data transfer of unselected middle port；
Step S16, after dynamic LACP aggregated links recovers normal, the data that notice informs system dynamic LACP aggregated links are sent
Transmission state.
2. dynamic LACP aggregated link failures restoration methods according to claim 1, it is characterised in that：The step S11
In, if failure is not present for dynamic LACP aggregated links or failure is not recovered, flow terminates.
3. dynamic LACP aggregated link failures restoration methods according to claim 1, it is characterised in that：The step S12
In, the dynamic LACP aggregated link failures are divided into two major classes：1) aggregated link failures caused by physical factor；2) port is not
Non-physical considerations link failure caused by selected state.
4. dynamic LACP aggregated link failures restoration methods according to claim 3, it is characterised in that：For by non-physical
Dynamic LACP aggregated link failures caused by factor recover, and cause if failure is gone to enable by overall situation switch, initiated polymerization
Port information, starting state machine, and issue polymerization group information and driven to exchange.
5. dynamic LACP aggregated link failures restoration methods according to claim 1, it is characterised in that：The step S13
In, system is supported to configure aggregation group maximum port number.
6. dynamic LACP aggregated link failures restoration methods according to claim 1, it is characterised in that：The step S14
In, the system identifier of the port includes port numbers and port priority.
7. dynamic LACP aggregated link failures restoration methods according to claim 6, it is characterised in that：If priority is not
Together, then choose choose port of the higher port of priority as aggregation group, the relatively low port of priority as aggregation group not
Choose port；If priority is identical, then compares port numbers, on the premise of the limitation of aggregation group maximum port number is met, choose
Choose port of the less port of port numbers as aggregation group, unselected middle port of the larger port of port numbers as aggregation group.
8. dynamic LACP aggregated link failures restoration methods according to claim 1, it is characterised in that：In step S15, under
Aggregation port information is sent out to driving is exchanged, recovers data transfer corresponding to faulty link data；Port shape is deleted from exchanging to drive
State is newly revised as unchecked corresponding port information, closes the data transfer of corresponding data link.
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| CN104702436A (en) * | 2015-02-11 | 2015-06-10 | 杭州华三通信技术有限公司 | Port management method and equipment |
| CN106533964A (en) * | 2015-09-09 | 2017-03-22 | 中兴通讯股份有限公司 | Method and device for managing packet loss of link aggregation member ports |
| JP6226054B1 (en) * | 2016-10-14 | 2017-11-08 | ヤマハ株式会社 | Communication relay device |
| CN106789264B (en) * | 2016-12-26 | 2019-12-03 | 北京东土军悦科技有限公司 | A kind of method and apparatus that link aggregation group channel is switched fast |
| CN110875824B (en) * | 2018-08-30 | 2023-10-13 | 华为技术有限公司 | Fault multi-layer link recovery method and controller |
| CN111786899A (en) * | 2020-07-15 | 2020-10-16 | 深圳市有方科技股份有限公司 | Internet of things communication method and related equipment |
| US20220116313A1 (en) * | 2020-10-09 | 2022-04-14 | Arris Enterprises Llc | Dynamic fast link aggregation control protocol |
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| CN101110663B (en) * | 2007-08-31 | 2010-10-27 | 华为技术有限公司 | Method, system and device for implementing periodic line failure processing |
| CN102364892A (en) * | 2011-10-12 | 2012-02-29 | 华为技术有限公司 | Link aggregation control protocol (LACP) link switching and data transmission method and apparatus thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110663B (en) * | 2007-08-31 | 2010-10-27 | 华为技术有限公司 | Method, system and device for implementing periodic line failure processing |
| CN102364892A (en) * | 2011-10-12 | 2012-02-29 | 华为技术有限公司 | Link aggregation control protocol (LACP) link switching and data transmission method and apparatus thereof |
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