CN103916281A - Dynamic LACP aggregation link fault recovery method - Google Patents
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Abstract
The invention provides a dynamic LACP aggregation link fault recovery method. The method comprises the steps that whether a dynamic LACP aggregation set link has faults and the faults are recovered is monitored in real time; after a dynamic LACP aggregation link fault recovery notification is received, a dynamic LACP processing module executes corresponding processing; a dynamic LACP aggregation link fault recovery circumstance is notified to a system. According to the dynamic LACP aggregation link fault recovery method, a mechanism for conducting dynamic detecting and processing on dynamic LACP aggregation link fault recovery is provided; after the aggregation link faults are recovered, an aggregation set member port verification mechanism is added, and it is guaranteed that an LACP aggregation set can normally work without exceeding the aggregation set port standard limitation; a link fault recovery reporting mechanism is provided, and it is guaranteed that the communication state of an aggregation set member port can be known timely after the link returns to normal; implementing simpleness is achieved, and operability is high.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of dynamic link polymerize control protocol with elegance (Link Aggregation control protocol, LACP) aggregated link failures restoration methods.
Background technology
Link aggregation (Link Aggregation) is a kind of technology that multiple physical ports is bundled into a logic port.This technology can be used as multiple physical connections a single logic and connect to process, and allows to pass through multiple port parallel joins between two network equipments, transmits data simultaneously, so that higher bandwidth and throughput to be provided, improves the stability of a system.Link aggregation is divided into three kinds of manual polymerization, static polymerization and dynamic aggregations, and LACP is the agreement that realizes dynamic aggregation.As shown in Figure 1, under the control of LACP agreement, LACP agreement is by Link Aggregation Control Protocol Data Unit (Link Aggregation Control Protocol Data Unit, LACPDU) and opposite end interactive information.The physical port that is arranged in dynamic aggregation group after LACP enables will be noticed system LACP treaty override level, the system MAC of oneself, LACP treaty override level, port numbers and the Operational Key of port to opposite end by sending LACPDU.Opposite end receives after LACPDU, the information that information wherein and other ports are received compares, can be in the interface of Selected state with selection, thereby both sides can reach an agreement in Selected state by docking port, thereby make multilink (Member Link) pool a logical links that bandwidth is higher.
Along with developing rapidly of network communications technology, link aggregation technology is more and more applied in data transmission procedure.The LACP literary composition of transmitting messages mutually between terminal device communicates, consults and notice fault, realizes that Aggregation and disaggregation closes etc. by agreement.Due to factors such as user's misoperation, networking are complicated and dynamically LACP agreement is too flexible, it is very common thing that link breaks down.In prior art, LACP technology mainly concentrates on polymerization realization and link failure is processed.For example, the Chinese patent that application number is 201110308340.7, denomination of invention is " a kind of LACP link switching, data transmission method and device " discloses a kind of aggregated link switching method.The Chinese patent that application number is 200710145736.8, denomination of invention is " realizing the method, system and device of link failure processing " discloses a kind of method, system and device of realizing link failure processing.
After fault solves, need to recover fast and accurately aggregated links, and by up-to-date fault recovery state notifying user.But the technology of current LACP is mainly implementation method, the link failure processing method etc. of realizing polymerization, and there is no clear and definite and concrete method for link failure recovery.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of dynamically LACP aggregated link failures restoration methods, it fully takes into account the feature of system hardware framework and dynamic LACP link aggregation protocols, in dynamic LACP aggregated links after trouble shooting, fault recovery event can be detected fast and accurately, and based on the different classes of fault recovery of carrying out respectively aggregated links of fault, make it to return to normal condition, then realize the dynamic control to data link, improve bandwidth and the throughput of link, improve network stabilization.
For achieving the above object and other relevant objects, the invention provides a kind of dynamically LACP aggregated link failures restoration methods, at least comprise: whether whether step S11, the dynamic LACP aggregated links of Real-Time Monitoring exist fault and fault to recover, in the time that dynamic LACP aggregated link failures recovery event occurs, notify dynamic LACP protocol process module to process; Step S12, dynamic LACP protocol process module are receiving after the notice of dynamic LACP aggregated link failures recovery, for the link failure recovery causing due to physical factor, dynamically LACP protocol process module initialization LACP port and aggregation group information, refresh port state machine information; For the link failure recovery being caused by non-physical factor, start or send state machine, receive or send LACP message; After step S13, dynamic LACP aggregated link failures recover, judge whether current link aggregation group member port number is greater than the maximum port number of aggregation group of system configuration; If so, proceed to step S14; If not, proceed to step S15; Step S14, system identifier based on port are adjusted current link aggregation group membership, are meeting under the prerequisite of the maximum port number restriction of aggregation group, choose port using part port as aggregation group, and part port is as the port of not choosing of aggregation group; Step S15, open the transfer of data of choosing port of aggregation group, close the transfer of data of not choosing port; After step S16, dynamic LACP aggregated links are recovered normally, send the data transmission state of the dynamic LACP aggregated links of notice apprizing system.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: in described step S11, if dynamically LACP aggregated links does not exist fault or fault not to recover, flow process finishes.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: in described step S12, described dynamic LACP aggregated link failures is divided into two large classes: the aggregated link failures that 1) physical factor causes; 2) port is non-physical factor aggregated link failures that selected state is not brought.
Further, according to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: recover for the dynamic LACP aggregated link failures being caused by non-physical factor, if fault is gone to enable to cause by overall switch, initialization aggregation port information, starting state machine, and issue aggregation group information to exchange driving.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: in described step S13, system support is configured the maximum port number of aggregation group.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: in described step S14, the system identifier of described port comprises port numbers and port priority.
Further, according to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: if priority difference is chosen port that priority the is higher port of choosing as aggregation group, the lower port of priority is as the port of not choosing of aggregation group; If priority is identical, then port numbers relatively, meeting under the prerequisite of the maximum port number restriction of aggregation group, choose port that port numbers the is less port of choosing as aggregation group, the larger port of port numbers is as the port of not choosing of aggregation group.
According to above-mentioned dynamic LACP aggregated link failures restoration methods, wherein: in step S15, issue aggregation port information and drive to exchange, recover transfer of data corresponding to faulty link data; Newly be revised as the port information of unchecked correspondence from exchange driving deletion port status, close the transfer of data of corresponding data link.
As mentioned above, dynamic LACP aggregated link failures restoration methods of the present invention, has following beneficial effect:
(1) provide dynamic LACP aggregated link failures has been recovered to the mechanism of carrying out detection of dynamic and processing, guaranteed after link failure recovery, can recover timely the transfer of data of link;
(2) consider the flexibility of dynamic LACP aggregation port number, system is supported the restriction to the maximum port of aggregation group, dynamically LACP aggregated link failures increases aggregation group member port verification scheme after recovering, and guarantees that LACP aggregation group is being no more than under the restriction of aggregation group port specification and can normally working;
(3) provide link failure recovery to report mechanism, ensured that link-recovery can recognize the communications status of aggregation group member port after normal in time;
(4) realize simply strong operability.
Accompanying drawing explanation
Fig. 1 is shown as the application scenarios schematic diagram of dynamic LACP link aggregation in 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 dynamic LACP protocol module of the present invention.
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
With reference to Fig. 2, the general steps of dynamic LACP aggregated link failures restoration methods of the present invention is as follows:
Step S1: whether the dynamic LACP aggregation group of Real-Time Monitoring link exists fault, if so, proceeds to step S2; If not, flow process finishes;
Step S2: whether the dynamic LACP aggregation group of Real-Time Monitoring link failure recovers, and if so, proceeds to step S3; If not, flow process finishes;
Step S3: dynamic LACP aggregated link failures is recovered to notice and be sent to dynamic LACP protocol process module, dynamically LACP protocol process module is carried out corresponding processing, as recovered the transfer of data etc. of link;
Step S4: by dynamic LACP aggregated link failures recovery situation reporting system.
For after dynamically LACP aggregated link failures is removed, accurately and rapidly recover the communications status of link, dynamic LACP aggregated link failures restoration methods of the present invention, comprises following content:
A, link failure recovery dynamic monitoring and treatment mechanism
Dynamically the event of monitoring system is as the message receiving, system hardware event etc., and processes accordingly according to the reason difference that causes link failure.Particularly, receive if the overtime fault causing of message, when fault recovery and while receiving the message that opposite end sends over, start accepting state machine and compound state of a control machine; Ports physical cause trouble if,, after fault recovery, the hardware interrupts very first time is notified the state machine of LACP protocol module its enable port.
B, aggregation group member's dynamic adjustment
Due to the maximum port number restriction of aggregation group, after faulty link recovers, as the port number of current aggregation group is greater than the maximum port number of system configuration aggregation group, need the port corresponding to fault recovery link and current aggregation group port to compare, and result is dynamically adjusted based on the comparison to aggregation group member.
C, fault recovery report mechanism
After dynamically LACP aggregated link failures recovers, very first time report and alarm reporting system, and open or close data transmission channel, inform the communications status of current aggregated links.
With reference to Fig. 2 and Fig. 3, dynamic LACP aggregated link failures restoration methods of the present invention specifically comprises the following steps:
Whether whether step S11, the dynamic LACP aggregated links of Real-Time Monitoring exist fault and fault to recover, and in the time that dynamic LACP aggregated link failures recovery event occurs, notify dynamic LACP protocol process module to process.
Wherein, in the time that dynamic LACP aggregated links does not exist fault or fault not to recover, flow process finishes.
Step S12, dynamic LACP protocol process module are receiving after the notice of dynamic LACP aggregated link failures recovery, for the link failure recovery causing due to physical factor, dynamically LACP protocol process module initialization LACP port and aggregation group information, refresh port state machine information; For the link failure recovery being caused by non-physical factor, start or send state machine, receive or send LACP message.
Particularly, based on the difference of fault category, dynamically LACP protocol process module carries out different processing.According to the reason that causes link failure, dynamically LACP aggregated link failures is divided into two large classes: the aggregated link failures that 1) physical factor such as ports physical state, duplex causes; 2) physical link connects normally, and the port that wherein factor such as a side apparatus port LACP message abnormal receiving causes is non-physical factor aggregated link failures that selected state is not brought.
Recover for the dynamic LACP aggregated link failures causing due to physical factor, dynamically LACP protocol process module recovers after notice at the dynamic LACP aggregated link failures that receives system, initialization LACP port and aggregation group information, refresh port state machine information etc.Recover for the dynamic LACP aggregated link failures being caused by non-physical factor, carry out different processing according to the reason of fault recovery, for example fault is gone to enable to cause by overall enable switch, after fault recovery, overall enable switch is opened, need initialization aggregation port information, starting state machine, and issue aggregation group information to exchange driving.
After step S13, dynamic LACP aggregated link failures recover, judge whether current link aggregation group member port number is greater than the maximum port number of aggregation group of system configuration; If so, proceed to step S14; If not, proceed to step S15.
Wherein, system support is configured the maximum port number of aggregation group.
Step S14, system identifier based on port are adjusted current link aggregation group membership, are meeting under the prerequisite of the maximum port number restriction of aggregation group, choose port using part port as aggregation group, and part port is as the port of not choosing of aggregation group.
Particularly, after dynamically LACP aggregated link failures recovers, if current link aggregation group member port number is greater than the restriction of the maximum port number of aggregation group of system configuration, need the ID of each port of comparison.The system identifier of port comprises port numbers and port priority.If priority difference, chooses port that priority the is higher port of choosing as aggregation group, the lower port of priority is as the port of not choosing of aggregation group.If priority is identical, then port numbers relatively, meeting under the prerequisite of the maximum port number restriction of aggregation group, choose the port that port numbers is less to choose the port of choosing as aggregation group, the larger port of port numbers is as the port of not choosing of aggregation group.
Step S15, open the transfer of data of choosing port of aggregation group, close the transfer of data of not choosing port.
Particularly, issue aggregation port information and drive to exchange, recover transfer of data corresponding to faulty link data; Newly be revised as the port information of unchecked correspondence from exchange driving deletion port status, close the transfer of data of corresponding data link.
After step S16, dynamic LACP aggregated links are recovered normally, send the data transmission state of the dynamic LACP aggregated links of notice apprizing system.
In sum, the method that dynamic LACP aggregated link failures of the present invention recovers provides recovers the mechanism of carrying out detection of dynamic and processing to dynamic LACP aggregated link failures, guarantees after link failure recovery, can recover timely the transfer of data of link; Consider the flexibility of dynamic LACP aggregation port number, system is supported the restriction to the maximum port of aggregation group, after aggregated link failures recovers, increase aggregation group member port verification scheme, guarantee that LACP aggregation group is being no more than under the restriction of aggregation group port specification and can normally working; Provide link failure recovery to report mechanism, ensured that link-recovery can recognize the communications status of aggregation group member port after normal in time; Realize simply strong operability simultaneously.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (8)
1. a dynamic LACP aggregated link failures restoration methods, is characterized in that, at least comprises:
Whether whether step S11, the dynamic LACP aggregated links of Real-Time Monitoring exist fault and fault to recover, and in the time that dynamic LACP aggregated link failures recovery event occurs, notify dynamic LACP protocol process module to process;
Step S12, dynamic LACP protocol process module are receiving after the notice of dynamic LACP aggregated link failures recovery, for the link failure recovery causing due to physical factor, dynamically LACP protocol process module initialization LACP port and aggregation group information, refresh port state machine information; For the link failure recovery being caused by non-physical factor, start or send state machine, receive or send LACP message;
After step S13, dynamic LACP aggregated link failures recover, judge whether current link aggregation group member port number is greater than the maximum port number of aggregation group of system configuration; If so, proceed to step S14; If not, proceed to step S15;
Step S14, system identifier based on port are adjusted current link aggregation group membership, are meeting under the prerequisite of the maximum port number restriction of aggregation group, choose port using part port as aggregation group, and part port is as the port of not choosing of aggregation group;
Step S15, open the transfer of data of choosing port of aggregation group, close the transfer of data of not choosing port;
After step S16, dynamic LACP aggregated links are recovered normally, send the data transmission state of the dynamic LACP aggregated links of notice apprizing system.
2. dynamic LACP aggregated link failures restoration methods according to claim 1, is characterized in that: in described step S11, if dynamically LACP aggregated links does not exist fault or fault not to recover, flow process finishes.
3. dynamic LACP aggregated link failures restoration methods according to claim 1, is characterized in that: in described step S12, described dynamic LACP aggregated link failures is divided into two large classes: the aggregated link failures that 1) physical factor causes; 2) port is non-physical factor aggregated link failures that selected state is not brought.
4. dynamic LACP aggregated link failures restoration methods according to claim 3, it is characterized in that: recover for the dynamic LACP aggregated link failures being caused by non-physical factor, if fault is gone to enable to cause by overall switch, initialization aggregation port information, starting state machine, and issue aggregation group information to exchange driving.
5. dynamic LACP aggregated link failures restoration methods according to claim 1, is characterized in that: in described step S13, system support is configured the maximum port number of aggregation group.
6. dynamic LACP aggregated link failures restoration methods according to claim 1, is characterized in that: in described step S14, the system identifier of described port comprises port numbers and port priority.
7. dynamic LACP aggregated link failures restoration methods according to claim 6, it is characterized in that: if priority difference, choose port that priority the is higher port of choosing as aggregation group, the lower port of priority is as the port of not choosing of aggregation group; If priority is identical, then port numbers relatively, meeting under the prerequisite of the maximum port number restriction of aggregation group, choose port that port numbers the is less port of choosing as aggregation group, the larger port of port numbers is as the port of not choosing of aggregation group.
8. dynamic LACP aggregated link failures restoration methods according to claim 1, is characterized in that: in step S15, issue aggregation port information and drive to exchange, recover transfer of data corresponding to faulty link data; Newly be revised as the port information of unchecked correspondence from exchange driving deletion port status, close the transfer of data of corresponding data link.
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| CN107959624A (en) * | 2016-10-14 | 2018-04-24 | 雅马哈株式会社 | Communication relay set and method to set up |
| WO2020043075A1 (en) * | 2018-08-30 | 2020-03-05 | 华为技术有限公司 | Method for recovering faulty multi-layer link 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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| 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 |
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| KR20200078585A (en) * | 2018-08-30 | 2020-07-01 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Failure multi-layer link recovery method and controller |
| CN111130850A (en) * | 2018-08-30 | 2020-05-08 | 华为技术有限公司 | Fault multilayer link recovery method and controller |
| CN110875824A (en) * | 2018-08-30 | 2020-03-10 | 华为技术有限公司 | Fault multilayer link recovery method and controller |
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| CN111130850B (en) * | 2018-08-30 | 2022-09-16 | 华为技术有限公司 | Fault multilayer link recovery method and controller |
| US11552881B2 (en) | 2018-08-30 | 2023-01-10 | Huawei Technologies Co., Ltd. | Faulty multi-layer link restoration method and controller |
| KR102534739B1 (en) * | 2018-08-30 | 2023-05-22 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Failure multi-layer link recovery method and controller |
| 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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Application publication date: 20140709 Assignee: Hangzhou xiaobuzhixue Information Technology Co.,Ltd. Assignor: Hangzhou Jiji Intellectual Property Operation Co.,Ltd. Contract record no.: X2021330000454 Denomination of invention: A dynamic LACP aggregation link fault recovery method Granted publication date: 20180130 License type: Common License Record date: 20211019 |
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Application publication date: 20140709 Assignee: Hangzhou national software industry base Co.,Ltd. Assignor: Hangzhou Jiji Intellectual Property Operation Co.,Ltd. Contract record no.: X2021330000669 Denomination of invention: A dynamic LACP aggregation link fault recovery method Granted publication date: 20180130 License type: Common License Record date: 20211103 |
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