CN101674198A - Method and device for realizing stacking - Google Patents
Method and device for realizing stacking Download PDFInfo
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- CN101674198A CN101674198A CN200910180966A CN200910180966A CN101674198A CN 101674198 A CN101674198 A CN 101674198A CN 200910180966 A CN200910180966 A CN 200910180966A CN 200910180966 A CN200910180966 A CN 200910180966A CN 101674198 A CN101674198 A CN 101674198A
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Abstract
The invention discloses a method for realizing stacking, comprising the following steps: a master control board acquires stacking information from an interface board; the stacking information comprises a member number of stacking equipment, a stacking opening, a member port of the stacking opening; the master control board consults compatibility and versions with opposite equipment according to the stacking opening; when the stacking equipment is compatible with the opposite equipment in no need of an updating version, the master control board is added into the stacking in which the stacking equipment is located according to the stacking information. In the invention, when a new master control board is changed on the stacking equipment, the master control board can acquire the stacking information through the interface board, and is added into a stacking system according to the stacking information when the master control board is compatible with the opposite equipment in no need of anupdating version, thus the master control board is dynamically added into the stacking system; the configuration process is simple, and manual configuration is not needed.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of implementation method of piling up and device.
Background technology
Along with the rapid increase of network size, the technology of piling up is arisen at the historic moment.The technology of piling up is that two or many network equipments are coupled together by stack port, forms pile system.From in logic, the network equipment that forms that is stacked is equivalent to same equipment, and the user management pile system is just as equipment of management, and promptly the user is by managing this pile system, thereby realizes all devices in piling up is managed.Wherein, the technology of piling up can provide high availability, enhanced scalability and streamlining management, has obtained using widely in data center, enterprise key net.
In the prior art, the technology of piling up that is applied in data center mainly comprises IRF (IntelligentResilient Framework, intelligent resilient infrastructure) technology and virtual exchange system VSS technology.Above-mentioned two kinds of technology all are that two or many frame type equipments are piled up, thereby are virtualized into a logical device.Wherein, this frame type equipment is the member device in the pile system, and in pile system, forwarding of data is independently to be realized by the business board of each member device; And master control borad (or forwarding engine) is responsible for whole piling up managed and control.In the IRF technology, support each member device that two master control borads are arranged at most, in the VSS technology, only support each member device that a master control borad is arranged.
Based on top analysis, when piling up technology, use has following shortcoming at present: when all master control borads of member's equipment all break down, the master control borad that need more renew, and on the new master control borad of changing the manual content down that is configured to: reconfigure and pile up pattern, reconfigure stack port, be that content on the master control borad is a manual configuration, mistake appears in layoutprocedure complexity easily.
Summary of the invention
The invention provides a kind of implementation method of piling up and device, carrying out stack arrangement automatically on master control borad, and master control borad joins and piles up the most at last.
In order to achieve the above object, the present invention proposes a kind of implementation method of piling up, be applied to comprise in the stack equipment of master control borad and interface board, described master control borad is the new master control borad of changing in the described stack equipment, said method comprising the steps of:
Described master control borad obtains the information of piling up from described interface board, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Described master control borad is consulted compatibility and version according to described stacking opening and opposite equip.;
Compatible and when not needing upgraded version, described master control borad joins in the piling up of described stack equipment place according to the described information of piling up when described stack equipment and opposite equip..
Preferably, described master control borad specifically comprises according to described stacking opening and opposite equip. negotiation compatibility and version:
Described master control borad is consulted compatible according to described stacking opening and opposite equip.;
When described master control borad and described opposite equip. compatibility, described master control borad is consulted version according to described stacking opening and opposite equip., and judges whether the needs upgraded version according to negotiation result;
When not needing upgraded version, described master control borad joins in the piling up of described stack equipment place.
Preferably, described master control borad also comprises according to after described stacking opening and the opposite equip. negotiation compatibility:
When described master control borad and described opposite equip. are incompatible, the described master control borad of described master control borad prompting stopping to start;
Describedly judge whether also to comprise after the needs upgraded version according to negotiation result:
When the needs upgraded version, described master control borad obtains version information from opposite equip., according to the version of described version information upgrading self, and restarts described master control borad.
Preferably, also comprise power board in the described stack equipment, described master control borad also comprises before joining in the piling up of described stack equipment place according to the described information of piling up:
By described power board data are transmitted.
The invention allows for a kind of master control borad, be applied to comprise in the stack equipment of master control borad and interface board, described master control borad is the new master control borad of changing in the described stack equipment, and described master control borad comprises:
Acquisition module is used for obtaining the information of piling up from described interface board, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Negotiation module electrically connects with described acquisition module, is used for consulting compatibility and version according to described stacking opening and opposite equip.;
Processing module electrically connects with described negotiation module, is used for when described stack equipment and opposite equip. compatibility and when not needing upgraded version, joins in the piling up of described stack equipment place according to the described information of piling up.
Preferably, described negotiation module specifically is used for:
Consult compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place.
Preferably, described negotiation module also is used for:
When described master control borad and described opposite equip. were incompatible, prompting stopped to start described master control borad; When the needs upgraded version, obtain version information from opposite equip., according to the version of described version information upgrading self, and restart described master control borad.
The invention allows for a kind of implement device that piles up, comprise master control borad and interface board, described master control borad is the new master control borad of changing in the stack equipment, and the described implement device that piles up is described stack equipment, wherein:
Described interface board is used for providing the information of piling up to described master control borad, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Described master control borad is used for consulting compatibility and version according to described stacking opening and opposite equip.; And compatible and when not needing upgraded version when described stack equipment and opposite equip., join in the piling up of described stack equipment place according to the described information of piling up.
Preferably, described master control borad also is used for:
Consult compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place; Or when described master control borad and described opposite equip. were incompatible, prompting stopped to start described master control borad; Maybe when the needs upgraded version, obtain version information,, and restart described master control borad according to the version of described version information upgrading self from opposite equip..
Preferably, described device also comprises:
Power board is used for described master control borad joins piling up of described stack equipment place according to the described information of piling up before data being transmitted.
Compared with prior art, the present invention has the following advantages: during the master control borad that more renews on stack equipment, master control borad can obtain the information of piling up by interface board, and it is compatible and when not needing upgraded version at master control borad and opposite equip., join pile system according to the information of piling up, thereby dynamically master control borad is joined in the pile system, layoutprocedure is simple, does not need human configuration.
Description of drawings
A kind of implementation method flow chart that piles up that Fig. 1 proposes for the present invention;
A kind of implementation method flow chart that piles up that Fig. 2 proposes down for a kind of application scenarios of the present invention;
Fig. 3 is the stack equipment schematic diagram with power board under the application scenarios of the present invention;
Fig. 4 is the structure chart of a kind of master control borad of the present invention's proposition;
A kind of implement device structure chart that piles up that Fig. 5 proposes for the present invention.
Embodiment
Core concept of the present invention is in pile system, when main control board occurs fault and the master control borad that on stack equipment, more renews, this master control borad obtains the information of piling up from interface board, and use this information of piling up to join in the pile system dynamically, do not need manual intervention, layoutprocedure is simple, accurate.Further, whether master control borad needs upgrading by the version of judging self, and when needs were upgraded, upgraded version also restarted, thereby finally realized the auto-update process of version, did not need human configuration.
A kind of implementation method of piling up that the present invention proposes is applied to comprise in the stack equipment of master control borad and interface board, and described master control borad is the new master control borad of changing in the described stack equipment, as shown in Figure 1, said method comprising the steps of:
Step S101, described master control borad obtains the information of piling up from described interface board, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment.
Step S102, described master control borad is consulted compatibility and version according to described stacking opening and opposite equip..
Step S103, compatible and when not needing upgraded version, described master control borad joins in the piling up of described stack equipment place according to the described information of piling up when described stack equipment and opposite equip..
A kind of application scenarios of the present invention descends the implementation method of piling up of proposition, this implementation method of piling up is applied in to use piles up in the networking of technology, and wherein, this technology of piling up comprises IRF technology and VSS technology etc., for convenience of description, be that example describes with the IRF technology among the present invention.Single device all during IRF piles up are called member device, and all member devices in same the piling up need the model compatibility.Wherein, in IRF piled up, IRF wanted operate as normal, needed earlier member device to be carried out physical connection, the physical port that is used to pile up connection on the equipment is called the physics stacking opening, just can be used to pile up be connected after physics stacking opening and logic stacking opening (the abbreviating stacking opening as) binding.Wherein, the physics stacking opening after the binding can be received and dispatched and be piled up relevant negotiation packet, or is used for transmitting between member device service message, and this physics stacking opening is the stacking opening member port.Among the present invention, the member device that need change master control borad again is a stack equipment, and another member device is an opposite equip..Need to prove that when member's equipment when being a plurality of, other member devices outside the stack equipment are opposite equip., for convenience of description, be connected to example with the chain of two member devices and describe.Above-mentioned piles up implementation method as shown in Figure 2, may further comprise the steps:
Step S201, the new master control board starting of changing in the stack equipment.Wherein, when all master control borads in stack equipment all break down, the master control borad that need more renew for this stack equipment, for convenience of description, be example to change a master control borad among the present invention, for the implementation method of piling up of changing two master control borads, with a master control borad to pile up implementation method identical, repeat no more among the present invention, all abbreviate master control borad below the master control borad of this new replacing as.
Step S202, master control borad obtains the information of piling up from the interface board of this stack equipment, wherein, this information of piling up be master control borad join in the pile system the essential information that must use, include but not limited to member's numbering, stacking opening, stacking opening member port etc.Wherein, master control borad need know the numbering from the member in pile system, and in order to be connected with opposite equip., master control borad also needs to know stacking opening, the stacking opening member port of self, does not repeat them here if want to join in the pile system.
Need to prove, above-mentioned when piling up information when having stored in the interface board, then master control borad can get access to this and piles up information, above-mentioned when piling up information when not storing in the interface board, the stack equipment that this interface board correspondence then is described does not constitute pile system with other stack equipments, and this stack equipment is in the unit state, and master control borad continues startup and gets final product, after startup was finished, this master control borad can use.
Further, master control borad obtains the information of piling up from interface board mode includes but not limited to that master control borad initiatively sends a request message to interface board, reports master control borad by this interface board with the information of piling up; Or master control borad directly reads the information of piling up in this interface board; Certainly, this mode of obtaining the information of piling up is not limited thereto, and does not repeat them here.
Step S203, master control borad is compatible by using stacking opening and opposite equip. to consult.Wherein, master control borad connects according to this stacking opening and opposite equip. that piles up in the information after obtaining to pile up information, and consults compatible with opposite equip..
Step S204, master control borad judges according to this compatible negotiation result whether master control borad and this opposite equip. be compatible; When judged result when being, forward step S206 to, when judged result for not the time, forward step S205 to.
Concrete, master control borad is provided by different service providers, be that model (model with master control borad is that example describes) between the master control borad may be identical, also may be inequality, master control borad for different model, may be incompatible, master control borad is consulting to obtain the master control borad model of opposite equip. when compatible, and the master control borad of judging this model and self compatibility whether.Certainly, master control borad also needs to obtain other compatible information needed when consulting compatibility, judge whether compatibility for this master control borad, does not repeat them here.
Step S205, master control borad prompting user stops to start.Because master control borad and opposite equip. are incompatible, then can't use this master control borad to join in the pile system, need the prompting user to stop to start this master control borad.In the practical application, when this master control borad and opposite equip. were incompatible, the master control borad that can more renew did not once more repeat them here.
Step S206, master control borad is consulted version information by using stacking opening and opposite equip..Wherein, master control borad then can join this master control borad in the pile system when acquisition self and opposite equip. compatibility, and at this moment, master control borad needs further to consult version information with opposite equip..
Step S207, master control borad is judged whether needs upgraded version of this master control borad according to the negotiation result of this version information.When the needs upgraded version, then version is upgraded, forward step S201 to, restart this master control borad; When not needing upgraded version, forward step S208 to.
Among the present invention, the new master control borad of changing generally is the master control borad that dispatches from the factory, the version of the master control borad that should newly change is the version (version that rank is very low) that dispatches from the factory, and stack equipment and opposite equip. are in the process of using, need upgrade to the version of master control borad, obviously, the version of master control borad is inequality in the version of this new replacing master control borad and the use, and the version of this new replacing master control borad need be upgraded to guarantee the consistency of master control borad version.
Concrete, in this pile system, when the version of this master control borad is lower than the version of opposite equip., then need the version of this master control borad is carried out upgrading processing; When the version of this master control borad is not less than the version of opposite equip., then do not need the version of this master control borad is carried out upgrading processing.
Further, when needs were upgraded, the master control borad of this new replacing can get access to the last level of master control borad from opposite equip., and according to the master control borad rank of this last level upgrading self.Need to prove that the new master control borad of changing does not need separately master control borad to be upgraded, for the user provides good experience by carry out escalation process in piling up adition process.
As can be seen,, finally make the version of master control borad be not less than the version of opposite equip., finished the auto-update process of version by carrying out above-mentioned step S201-step S207.
Step S208, master control borad joins in the pile system with the standby plate identity, thereby realizes this pile system.Wherein, after this master control borad upgrading is finished, then this master control borad can use the above-mentioned information of piling up to join in the pile system, promptly the member of this master control borad in pile system is numbered the above-mentioned member's numbering that gets access to, and use the above-mentioned stacking opening that gets access to be connected with opposite equip. with the stacking opening member port, realize this pile system.
Need to prove, in pile system, main board and standby plate are arranged, main board is used for whole pile system is managed and controls, and standby plate is in stand-by state, when main board broke down, this standby plate can substitute main board, with realization whole pile system was managed and controlled.The master control borad of this replacing directly is defined as standby plate with this master control borad when joining pile system, certainly, according to the actual needs, also this master control borad can be defined as main board, does not repeat them here.
Further, among the present invention, for the stack equipment with power board, before master control borad joined pile system, this power board can temporarily replace the function of this master control borad, and data are transmitted; When master control borad joins pile system, realize self function piling up of stack equipment place being managed and to control by master control borad, and the business board of controlling this stack equipment transmits data, do not repeat them here.
As shown in Figure 3, for having the stack equipment schematic diagram of power board; Wherein, in member device, all include master control borad, power board and interface board.By using this master control borad, can be (for example to each veneer in self pairing member device, this power board and interface board etc.) manage and control, as seen, control flows needs to send through this master control borad, and for example, this control flows can be IPC (IPConferencing, conferencing over ip), VP (Virtual Path, virtual path), equipment control shake hands passage, pile up Topology Management agreement (this piles up, and the Topology Management agreement comprises that link is regularly surveyed, Topology Discovery agreement etc.) etc.By using this power board, can independently (for example control data stream, data stream such as is transmitted at operation), certainly, according to the actual needs, can also control this power board by master control borad, then data stream be controlled, independently data stream is controlled to be example with power board in the embodiment of the invention and describe; As seen, data flow needs to send through this power board.By using this interface board, can transmit above-mentioned control flows and data flow, and carry out the transmission of control flows and data flow with other member devices.As shown in Figure 3, solid line partly is the transmission course of data flow; Dotted portion is the transmission course of control flows.
In summary it can be seen, by using power board, data flow is independent of master control borad to be transmitted, make data flow not need through master control borad, at the master control borad that more renews, and master control borad joins before the pile system, can transmit data stream by using power board, thereby avoided the flow interruption problem of master control borad when changing, significantly improved the handling property of this pile system.
Wherein, the inventive method can be adjusted each sequence of steps according to actual needs.
The invention allows for a kind of master control borad, be applied to comprise in the stack equipment of master control borad and interface board, described master control borad is the new master control borad of changing in the described stack equipment, and as shown in Figure 4, described master control borad comprises:
Wherein, described negotiation module 42 specifically is used for consulting compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place.
Further, described negotiation module 42 also is used for when described master control borad and described opposite equip. are incompatible, and prompting stops to start described master control borad; When the needs upgraded version, obtain version information from opposite equip., according to the version of described version information upgrading self, and restart described master control borad.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The invention allows for a kind of implement device that piles up, as shown in Figure 5, comprise master control borad 52 and interface board 51, described master control borad 52 is the new master control borad of changing in the stack equipment, and the described implement device that piles up is described stack equipment, wherein:
Described interface board 51 is used for providing the information of piling up to described master control borad 52, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Described master control borad 52 is used for consulting compatibility and version according to described stacking opening and opposite equip.; And compatible and when not needing upgraded version when described stack equipment and opposite equip., join in the piling up of described stack equipment place according to the described information of piling up.
Wherein, described master control borad 52 also is used for consulting compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place; Or when described master control borad and described opposite equip. were incompatible, prompting stopped to start described master control borad; Maybe when the needs upgraded version, obtain version information,, and restart described master control borad according to the version of described version information upgrading self from opposite equip..
Further, provided by the invention piling up in the implement device also comprises: power board 53 is used for described master control borad joins piling up of described stack equipment place according to the described information of piling up before data being transmitted.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (10)
1, a kind of implementation method of piling up is applied to comprise in the stack equipment of master control borad and interface board, and described master control borad is the new master control borad of changing in the described stack equipment, it is characterized in that, said method comprising the steps of:
Described master control borad obtains the information of piling up from described interface board, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Described master control borad is consulted compatibility and version according to described stacking opening and opposite equip.;
Compatible and when not needing upgraded version, described master control borad joins in the piling up of described stack equipment place according to the described information of piling up when described stack equipment and opposite equip..
2, the method for claim 1 is characterized in that, described master control borad is according to described stacking opening and opposite equip. is consulted compatible and version specifically comprises:
Described master control borad is consulted compatible according to described stacking opening and opposite equip.;
When described master control borad and described opposite equip. compatibility, described master control borad is consulted version according to described stacking opening and opposite equip., and judges whether the needs upgraded version according to negotiation result;
When not needing upgraded version, described master control borad joins in the piling up of described stack equipment place.
3, method as claimed in claim 2 is characterized in that, described master control borad also comprises according to after described stacking opening and the opposite equip. negotiation compatibility:
When described master control borad and described opposite equip. are incompatible, the described master control borad of described master control borad prompting stopping to start;
Describedly judge whether also to comprise after the needs upgraded version according to negotiation result:
When the needs upgraded version, described master control borad obtains version information from opposite equip., according to the version of described version information upgrading self, and restarts described master control borad.
4, as each described method of claim 1-3, it is characterized in that, also comprise power board in the described stack equipment, described master control borad also comprises before joining in the piling up of described stack equipment place according to the described information of piling up:
By described power board data are transmitted.
5, a kind of master control borad is applied to comprise in the stack equipment of master control borad and interface board, and described master control borad is the new master control borad of changing in the described stack equipment, it is characterized in that described master control borad comprises:
Acquisition module is used for obtaining the information of piling up from described interface board, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Negotiation module electrically connects with described acquisition module, is used for consulting compatibility and version according to described stacking opening and opposite equip.;
Processing module electrically connects with described negotiation module, is used for when described stack equipment and opposite equip. compatibility and when not needing upgraded version, joins in the piling up of described stack equipment place according to the described information of piling up.
6, master control borad as claimed in claim 5 is characterized in that, described negotiation module specifically is used for:
Consult compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place.
7, master control borad as claimed in claim 6 is characterized in that, described negotiation module also is used for:
When described master control borad and described opposite equip. were incompatible, prompting stopped to start described master control borad; When the needs upgraded version, obtain version information from opposite equip., according to the version of described version information upgrading self, and restart described master control borad.
8, a kind of implement device that piles up is characterized in that, comprises master control borad and interface board, and described master control borad is the new master control borad of changing in the stack equipment, and the described implement device that piles up is described stack equipment, wherein:
Described interface board is used for providing the information of piling up to described master control borad, and the described information of piling up comprises member's numbering, stacking opening, the stacking opening member port of described stack equipment;
Described master control borad is used for consulting compatibility and version according to described stacking opening and opposite equip.; And compatible and when not needing upgraded version when described stack equipment and opposite equip., join in the piling up of described stack equipment place according to the described information of piling up.
9, device as claimed in claim 8 is characterized in that, described master control borad also is used for:
Consult compatible according to described stacking opening and opposite equip.; When described master control borad and described opposite equip. compatibility, consult version according to described stacking opening and opposite equip., and judge whether the needs upgraded version according to negotiation result; When not needing upgraded version, join in the piling up of described stack equipment place; Or when described master control borad and described opposite equip. were incompatible, prompting stopped to start described master control borad; Maybe when the needs upgraded version, obtain version information,, and restart described master control borad according to the version of described version information upgrading self from opposite equip..
10, install as claimed in claim 8 or 9, it is characterized in that described device also comprises:
Power board is used for described master control borad joins piling up of described stack equipment place according to the described information of piling up before data being transmitted.
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| CN2009101809667A CN101674198B (en) | 2009-10-23 | 2009-10-23 | Method and device for realizing stacking |
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| CN2009101809667A CN101674198B (en) | 2009-10-23 | 2009-10-23 | Method and device for realizing stacking |
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| CN102244669A (en) * | 2010-05-12 | 2011-11-16 | 杭州华三通信技术有限公司 | Software upgrading method in stacking equipment and stacking equipment |
| CN102841843A (en) * | 2012-07-12 | 2012-12-26 | 中兴通讯股份有限公司 | Method and device for judging compatibility |
| CN103412771A (en) * | 2013-07-29 | 2013-11-27 | 福建星网锐捷网络有限公司 | Software upgrading processing method, device and system |
| CN105763368A (en) * | 2016-02-04 | 2016-07-13 | 杭州华三通信技术有限公司 | Stacking method and device |
| CN107426031A (en) * | 2017-08-08 | 2017-12-01 | 迈普通信技术股份有限公司 | Stack arrangement method and device |
| CN107547276A (en) * | 2017-08-24 | 2018-01-05 | 新华三技术有限公司 | Automatic stacking method, device, equipment and machinable medium |
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