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WO2009062351A1 - Procédé permettant de fusionner des systèmes d'empilement - Google Patents

Procédé permettant de fusionner des systèmes d'empilement Download PDF

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Publication number
WO2009062351A1
WO2009062351A1 PCT/CN2007/003919 CN2007003919W WO2009062351A1 WO 2009062351 A1 WO2009062351 A1 WO 2009062351A1 CN 2007003919 W CN2007003919 W CN 2007003919W WO 2009062351 A1 WO2009062351 A1 WO 2009062351A1
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WO
WIPO (PCT)
Prior art keywords
stacking
stacking system
optimal
stack
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2007/003919
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English (en)
Chinese (zh)
Inventor
Zheng Zhang
Shaohua Hu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2009062351A1 publication Critical patent/WO2009062351A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to the field of data communications, and in particular, to a method for merging stacking systems.
  • Routing switching equipment is now the most important and core component of the Internet, and it is responsible for route propagation and traffic forwarding for the Internet.
  • the network grows larger and larger, there are more and more routing and switching devices, and its management complexity increases exponentially.
  • Device overhead such as memory and processor, can be reduced to a minimum.
  • This method is stacking. The entire stacking system appears to be a device on the outside. Generally, a stack system includes a master device, a standby device, and other common devices. The application of the stacking system greatly reduces the complexity of network management and deployment, and has a very advanced meaning.
  • the traditional processing method is to manually restart all the devices, so that the entire stacking system can be topology-built, the main device is re-selected, and then re-stabilized. This process takes a long time, and the operation of the entire stacking system is affected.
  • the entire stacking system has to be completely inoperable, which increases the complexity of network management, which is not conducive to the stability of the network.
  • the stacking system should be based on the principle of high stability and lowest level of business impact.
  • the stacking system can be merged while the stacking system is still running.
  • the combined stacking system can be instantly Put into operation, so that the system impact brought by the consolidation of the stack system can be minimized, which is conducive to the stability of the entire network. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a method for merging stacking systems to ensure that the stacking system is minimized by the merger, thereby enhancing the stability of the stacking system and reducing the network's
  • the present invention provides a method for merging stacking systems, including:
  • the stacking interface device advertises the stacking multicast packets of the stacking system information of the stacking device of the device to the linked device after the link is changed; Disconnecting and turning on the stacked device;
  • Each stacking system selects an optimal stacking system according to the stacking information
  • the optimal stacking system maintains the original operation.
  • the devices in the other stacking systems are merged with the optimal stacking system after performing service restart operations or device restart operations based on the stacking information of the optimal stacking system.
  • the stack information includes one or any combination of the following information: a master device priority, a MAC address, and a running version of the stack system.
  • the optimal stacking system refers to a stacking system that satisfies one of the following conditions or any combination thereof:
  • the priority of the master device of the stacking system is higher than that of other stacking system master devices participating in the merge;
  • the MAC address of the master device of the stack system is larger or smaller than the MAC address of the master device of the other stacking systems participating in the merge;
  • the running version of the main device of the stacking system is higher than the running version of the main device of the other stacked stacking systems.
  • the step C includes: the optimal stacking system maintains the original operation; the stack interface device in the stack system that is involved in the merge is flooded and distributed to the stacking system; After the stacking information of the stacking system is received, the master device of the stacking system is compared with the running version of the master device. If the running version is the same, all devices in the stack are restarted. After the operation, the device is added to the optimal stacking system. Otherwise, all devices in the stack are added to the optimal stacking system after the device is restarted.
  • the service restarting operation of the device means that the device is added to the device of the optimal stacking system on the topology, and the service operation is directly restarted after the topology is successfully added.
  • the device restarts the device. After the device is restarted, the device is re-joined to the optimal stack system, and the consistent running version and other stack information are downloaded from the master device of the optimal stacking system.
  • the device further includes: after the stacking system is established, each device saves stack information of the stacking system.
  • the merging method of the stacking system of the present invention when the stacking system is merged, the sub-optimal stacking system is integrated into the optimal stacking system as a newly added device, and the optimal stacking system operation is completely unaffected, and all processing processes are completed. Auto-completion, simple network control, minimizes stack system turbulence caused by stacking systems again, greatly enhancing network stability.
  • FIG. 1 is a schematic diagram of two stacking systems ready to be merged in an application example of the present invention
  • FIG. 2 is a schematic diagram of a processing situation of a sub-optimal stacking system that has just been merged in an application example; and FIG. 3 is a flowchart of a method for merging a stacking system according to an application example of the present invention.
  • the main idea of the present invention is: After the routing switching device is formed into a stacking system, when multiple stacking systems are merged, the stacking system can be based on the priority, the MAC device (Media Access Control), and the like. Sub-optimal or low-priority stacking systems are automatically merged; stacking systems that are optimal or of high importance remain in normal operation without having to perform operations such as restarts; and stacking systems that are suboptimal or of low importance are of high importance After the information is compared, the stacking system issues a control command, or restarts, or keeps running, and only restarts the bearer service. Applying such an implementation method, the optimal or high-priority stacking system in the combined stacking system is completely unaffected, and the network stability is enhanced.
  • the above priorities can be set automatically by the system, that is, by default, the priority of all stacked devices is the same.
  • the device importance of a stacking system is generally different, so its priority is also different. For example, it is important for certain locations, or devices with very good stability.
  • the priority is manually configured to give it a better priority than other devices, so that the device can be elected as the master device, which facilitates the management of the stacking system.
  • the method of merging the stacking system of the present invention comprises the following steps:
  • each device After the stacking system is set up, each device saves the stack information of the stacking system.
  • the stack information includes one or any combination of the following information: the priority of the master device, the MAC address, the running version, and the like of the stacking system where the device is located.
  • the priority of the master device may be a system level or a device level priority.
  • the priority of the master device can be determined automatically by the system or manually. For example, the priority can be determined according to the importance of the device.
  • the specific steps are as follows: When the stacking system starts to merge, the links between some devices are disconnected and they are linked with the devices in another stacking system; the stacking device that will cause the link disconnection and the closing operation is called a stack interface device. After the link status changes, these devices advertise the stack multicast packets that identify the stack system stack information of the device to the connected device.
  • the optimal stacking system refers to a stacking system that satisfies one of the following conditions or any combination thereof:
  • the priority of the master device of the stacking system is higher than that of the other stacking system master devices participating in the merge;
  • the MAC address of the master device of the stacking system is larger or smaller than the MAC address of the master device of the other stacking systems participating in the merge;
  • information such as the MAC address is used to determine which stacking system is the optimal stacking system.
  • the device advertises only the information of the device, it indicates that the device is newly added to the stack system, rather than the system merge; Just operate.
  • the optimal stacking system keeps its original operation unchanged; the other stacking systems that participate in the merge perform the merge operation according to the stacking information of the optimal stacking system, specifically:
  • the stack interface device of the other stacking system that has been merged is used to flood the stacking information of the optimal stacking system to the stacking system.
  • the master device of the other stacking system that receives the merged stack receives the stacking information of the optimal stacking system. If the running version of the master device is the same as that of the master device in the optimal stacking system, all the devices in the stacking system are only required to perform the service restarting operation.
  • the device in the stacking system is the device that is added to the optimal stacking system on the top of the topology. However, the device can be restarted after the topology is successfully added, and then added to the optimal stacking system. Then, all the devices in the stack are restarted. After the devices in the stack are restarted, they are added to the optimal stack and the consistent running version and other devices are downloaded from the master of the optimal stack. Information to maintain consistency between the basic information and the optimal stacking system Into the optimal stacking system.
  • the above is an example of using the running version as a criterion.
  • other criteria such as the version of the user configuration information and the related information, or other information and running version information can be used. These can be flexibly determined according to actual needs. , there are no restrictions here.
  • the stacking system that participates in the consolidation is the newly added device of the stacking system.
  • the master device of the optimal stacking system collects all the device information of the other stacked stacking systems and joins the stacking device. Member information for the system.
  • the stacking systems that participate in the consolidation are merged into one stacking system, which is externally represented as a routing switching device with an added interface.
  • the original equipment in the optimal stacking system is completely unaffected.
  • This application example is described by taking the process of combining two stacking systems as an example. More than two stacking systems are merged similar to the process.
  • the two stacking systems participating in the merge are denoted as A system and B system respectively, the numbers following A or B are used to indicate the number of stacked device numbers that have been allocated; the master device of system A is Al, and the master device of system B is B1;
  • the two stacking systems were originally running well, and now merged for network planning.
  • the combined stacking system is shown in Figure 2.
  • Step 301 The stack interface device is the device A4, the device A5, the device B2, and the device B3.
  • the stack information of the stack system is obtained by the stacking packets sent by each other.
  • Step 302 The stack interface device performs the system pros and cons judgment. It is assumed that the judgment condition is the above (1), and the judgment result is that the master device of the A system has a higher priority, and the conclusion that the A system is the optimal stack system is obtained. . Then, the stack interface devices A4 and A5 in the A system know that they belong to the optimal system, and all the devices in the A system do not need to perform the restart operation such as restarting; the stack interface devices B2 and B3 in the B system know that they are in the suboptimal system. Then, the stack information of the A system is flooded and released to the B system.
  • Step 303 After receiving the stack information of the optimal stacking system A, the original master device B1 of the B system compares the running version and other information with the master device A1 of the system A.
  • Step 304 The original master device B1 of the B system notifies the device that belongs to the system B to perform the stacking and merging operation according to the comparison result: if the information such as the running version is consistent, the device that belongs to the system B is notified to perform the service restart operation; If the information is inconsistent, the device that belongs to System B is notified to perform the device restart operation, so that the two stack systems complete the merge.
  • the method for judging the importance of the routing switching device stacking system described in this paper is to ensure that the optimal stacking system is completely unaffected by the method of judging the importance of the system, and only the suboptimal stacking system is to be stacked and merged. ; equipment stability when merging stack systems
  • the method of the present invention is applied to the merging of a plurality of stacking systems composed of routing switching devices, which can reduce the turbulence of the stacking system generated after the stacking system is stacked again, and enhance network stability.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Cette invention concerne un procédé permettant de fusionner des systèmes d'empilement. Selon ce procédé, les circuits de liaison du système d'empilement fusionnés sont reliés; une fois la liaison modifiée, l'équipement à interface d'empilement distribue les groupes d'empilement et indique le marquage des informations d'empilement du système d'empilement de l'équipement de liaison pour l'équipement relié; l'équipement à interface d'empilement consiste en un équipement d'empilement qui exécute les opérations de désactivation et d'activation; chacun des systèmes d'empilement sélectionne un système d'empilement optimal en fonction des informations d'empilement; le système d'empilement optimal entretient l'opération existante et l'équipement de l'autre système d'empilement dont la participation à la fusion est combinée au système d'empilement optimal après exécution de redémarrage de l'activité ou du redémarrage de l'équipement en fonction des informations d'empilement, le fonctionnement du système d'empilement optimal n'est pas affecté dans l'absolu et l'autre système d'empilement est relié au système d'empilement optimal en tant que nouvel équipement. Ce mode de réalisation permet de commander simplement le réseau et de réduire la turbulence dans les systèmes d'empilement générée après empilement des systèmes d'empilement; il permet également de renforcer la stabilité du réseau.
PCT/CN2007/003919 2007-11-12 2007-12-29 Procédé permettant de fusionner des systèmes d'empilement Ceased WO2009062351A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710188183.4 2007-11-12
CN2007101881834A CN101163077B (zh) 2007-11-12 2007-11-12 一种堆叠系统的合并方法

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WO2009062351A1 true WO2009062351A1 (fr) 2009-05-22

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Cited By (1)

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US12452132B1 (en) 2025-03-14 2025-10-21 Tp-Link Systems Inc. Method and device of stacking system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101163077B (zh) * 2007-11-12 2010-12-08 中兴通讯股份有限公司 一种堆叠系统的合并方法
CN101355520B (zh) * 2008-09-12 2010-08-25 杭州华三通信技术有限公司 防止堆叠中的流量中断的方法及堆叠设备
CN101883045B (zh) * 2010-04-29 2013-01-30 北京星网锐捷网络技术有限公司 一种堆叠系统的合并方法、系统及装置
CN103944838B (zh) 2013-01-22 2017-07-14 新华三技术有限公司 堆叠系统及其实现方法
CN109005111B (zh) * 2018-08-24 2021-07-23 新华三技术有限公司 一种irf分裂后合并的方法及装置

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US6785272B1 (en) * 1999-06-24 2004-08-31 Allied Telesyn, Inc. Intelligent stacked switching system
CN1885810A (zh) * 2006-06-13 2006-12-27 杭州华为三康技术有限公司 堆叠系统中设备的拓扑结构形成方法
CN101068250A (zh) * 2007-06-08 2007-11-07 杭州华三通信技术有限公司 网络设备id的分配方法及装置
CN101163077A (zh) * 2007-11-12 2008-04-16 中兴通讯股份有限公司 一种堆叠系统的合并方法

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US6785272B1 (en) * 1999-06-24 2004-08-31 Allied Telesyn, Inc. Intelligent stacked switching system
CN1885810A (zh) * 2006-06-13 2006-12-27 杭州华为三康技术有限公司 堆叠系统中设备的拓扑结构形成方法
CN101068250A (zh) * 2007-06-08 2007-11-07 杭州华三通信技术有限公司 网络设备id的分配方法及装置
CN101163077A (zh) * 2007-11-12 2008-04-16 中兴通讯股份有限公司 一种堆叠系统的合并方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12452132B1 (en) 2025-03-14 2025-10-21 Tp-Link Systems Inc. Method and device of stacking system

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CN101163077A (zh) 2008-04-16

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