CN102780582B - Reset method and device for stack topology member device and network device - Google Patents
Reset method and device for stack topology member device and network device Download PDFInfo
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- CN102780582B CN102780582B CN201210254713.1A CN201210254713A CN102780582B CN 102780582 B CN102780582 B CN 102780582B CN 201210254713 A CN201210254713 A CN 201210254713A CN 102780582 B CN102780582 B CN 102780582B
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Abstract
The invention provides a reset method and a device for a stack topology member device and a network device. The reset method of the stack topology member device includes that: leaving messages sent by the member device to be reset are received, and the leaving messages carry device information logos of the member device to be reset; after the member device to be reset is found according to the device information logos, the member device to be reset is deleted from topology information store in the member device, accessibility of a primary device in stack topology after the member device to be reset is deleted is checked; if inaccessibility from the member device to be reset to the primary device is found, the member device to be reset is arranged into a restoring state, and the member device to be reset is activated or reset again after handshake messages sent by straight-connected member devices in non-restoring state are received. The reset method and the device for the stack topology member device and the network device can guarantee that double hosts cannot exist in a network in a member device reset process and further can improve reliability of the network.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of repositioning method of stacking topology member, device and the network equipment.
Background technology
Multiple devices are linked together by stacking opening, thus forms one " combination plant ".User manages this " combination plant ", can realize managing all devices in stacking topology.
All single device in stacking topology are called member device, and member device is different according to function, is divided into two kinds of roles:
A) main equipment: the one of member device, is elected by role, and main equipment is in charge of whole stacking.In a stacking topology, synchronization can only have a member device to become main equipment.
B) from equipment: the one of member device, is under the jurisdiction of main equipment from equipment, the alternate device as main equipment runs.Except main equipment in stacking topology, other equipment are all from equipment.Multiple stage may be there is from equipment in stacking topology.
The member device of stacking topology regularly can notice (Hello) information of shaking hands, to ensure that other member devices can identify oneself still in stacking topology.If do not receive the Hello information of member device within the predetermined time, other member devices will think that this member device leaves stacking topology.If this member device is main equipment, other member devices will elect the main equipment made new advances.
After a stacking topology is formed, due to stacking cable fault, or the device powers down in the middle of stacking topology, cause original stacking topology to split into two stacking topologys, this process is called stacking splitting.When there is stacking splitting in topology, there will be two identical equipment of configuration in a network, network can be caused so normally to work.
The shape of stacking topology is generally divided into linear topology and ring topology.In linear topology, the path between member device is unique; In ring topology, the path between member device has two.
For the stacking topology of annular, when member's device reset, stacking topology becomes linear, but can not cause stacking splitting; For linear stacking topology, when member's device reset, if this member device is not the marginal position being in stacking topology, but be in the centre of stacking topology, then the reset of this member device can cause stacking topology division.Like this, when during network manager wants to reset stacking topology during certain member device, if this member device mediates, can cause in network and occur two main frame.
In prior art, can only ensure not reset to the equipment mediated by manual type, the stacking topology that other good methods do not prevent member device reset from bringing divides the two main frame problems caused.
Summary of the invention
The invention provides a kind of repositioning method of stacking topology member, device and the network equipment, to avoid member device to reset the two main frame problems caused, improve network reliability.
One aspect of the present invention provides a kind of repositioning method of stacking topology member, comprising:
What receive that member device to be resetted sends leaves message, described in leave the facility information mark that message carries member device to be resetted;
According to described facility information identifier lookup to described in after member device to be resetted, member device described to be resetted is deleted from the topology information of self preserving, and according to topology information after the member device resetted described in deleting, check self accessibility to the main equipment in the stacking topology described in deleting after the member device resetted;
If it is unreachable to find self to arrive described main equipment, then self is set to return to form, after the handshake message that the member device receiving direct-connected non-recovery state sends, reactivates or reset.
The present invention provides a kind of resetting means of stacking topology member on the other hand, comprising:
Receiver module, leaves message for what receive that member device to be resetted sends, described in leave the facility information mark that message carries member device to be resetted;
Search module, for member device to be resetted described in the described facility information identifier lookup that receives according to described receiver module;
Removing module, for described search module searches to described in after member device to be resetted, member device described to be resetted is deleted from the topology information that the member device at described resetting means place is preserved;
Checking module, for the topology information according to deletion after the member device resetted, checks the accessibility of the main equipment in the stacking topology described in the member device at described resetting means place to deletion after the member device resetted;
Module being set, during for finding that the member device at described resetting means place is unreachable to described main equipment when described checking module, the member device at described resetting means place being set to return to form;
Reseting module, after the handshake message of the member device transmission of the non-recovery state that the member device for receiving described resetting means place at described receiver module is direct-connected, reactivates or resets.
Further aspect of the present invention provides a kind of network equipment, comprising: the resetting means of stacking topology member as above.
In the repositioning method of stacking topology member provided by the invention, device and the network equipment, receive that member device to be resetted sends leave message after, the member device to be resetted according to this facility information identifier lookup left in message, member device to be resetted is deleted from the topology information of self preserving, if find that self is unreachable to the main equipment deleted in above-mentioned stacking topology after the member device resetted, then self is set to return to form; Under returning to form, if the handshake message that the member device receiving direct-connected non-recovery state sends, then can determine self to be connected in normal stacking topology, at this moment can reactivate or reset, thus can guarantee that in member device reseting procedure, network there will not be two main frame, and then the reliability of network can be improved.
Accompanying drawing explanation
Fig. 1 is the flow chart of a repositioning method embodiment of the stacking topology member of the present invention;
Fig. 2 is the schematic diagram of the stacking topological embodiment of the present invention;
Fig. 3 is the structural representation of a resetting means embodiment of the stacking topology member of the present invention;
Fig. 4 is the structural representation of another embodiment of resetting means of the stacking topology member of the present invention.
Embodiment
Fig. 1 is the flow chart of a repositioning method embodiment of the stacking topology member of the present invention, and as shown in Figure 1, the repositioning method of this stacking topology member can comprise:
Step 101, what receive member device transmission to be resetted leaves message, and this leaves the facility information mark that message carries member device to be resetted.
In the present embodiment, receive that member device to be resetted sends leave message after, the above-mentioned message that leaves can also be transmitted to direct-connected member device from the stacking opening except receiving the above-mentioned stacking opening leaving message, thus the effect by leaving message inundation in stacking topology can be reached.
Wherein, the facility information mark of member device to be resetted can be the medium education of member device to be resetted (Media Access Control; Hereinafter referred to as: MAC) address etc. can in stacking topology the mark of this member device to be resetted of unique identification, the present embodiment is not construed as limiting this.
Step 102, after finding member device to be resetted according to the said equipment message identification, member device to be resetted is deleted from the topology information of self preserving, and according to the above-mentioned topology information after the member device resetted of deletion, check self accessibility to the main equipment deleted in above-mentioned stacking topology after the member device resetted.
Particularly, according to the above-mentioned topology information after the member device resetted of deletion, check that self to the accessibility of the main equipment deleted in above-mentioned stacking topology after the member device resetted can be: if member device above-mentioned to be resetted is the main equipment in stacking topology before deleting this member device to be resetted, then after deleting member device above-mentioned to be resetted, in the above-mentioned stacking topology after the member device resetted of deletion, elect new main equipment, and check the accessibility self arriving new main equipment.
If member device above-mentioned to be resetted is not the main equipment in the stacking topology before deleting this member device to be resetted, the main equipment then deleted in above-mentioned stacking topology after the member device resetted is constant, still for deleting the main equipment in the stacking topology before this member device to be resetted, so after deleting member device above-mentioned to be resetted, do not need to re-elect new main equipment, directly inspection self is to the accessibility of the main equipment deleted in above-mentioned stacking topology after the member device resetted.
Step 103, if it is unreachable to find self to arrive above-mentioned main equipment, is then set to self recover (Recovery) state, after the handshake message that the member device receiving direct-connected non-recovery state sends, reactivates or resets.
Particularly, after the handshake message that the member device receiving direct-connected non-recovery state sends, if self support to reinitialize online (namely do not need to reset and can complete resetting software and hardware), then add normal stacking topology by the mode of mutual handshake message; If self do not support to reinitialize online, then reset, add normal stacking topology when init state by the mode of mutual handshake message.
Further, in the present embodiment, when member device prepare reset time, can by all stacking opening of self to direct-connected member device send leave message, described in leave message carry self facility information mark.Wherein, this facility information mark can be MAC Address etc. can in stacking topology the mark of unique identification member device, the present embodiment is not construed as limiting this.
Wherein, return to form as member device except stacking opening and the network port retained except mouth all keep the state of closing, that is, when member device be in return to form time, the above-mentioned service port being in the member device returned to form keeps closed condition, thus can reduce the impact on network.
In above-described embodiment, receive that member device to be resetted sends leave message after, the member device to be resetted according to this facility information identifier lookup left in message, member device to be resetted is deleted from the topology information of self preserving, if find that self is unreachable to the main equipment deleted in above-mentioned stacking topology after the member device resetted, then self is set to return to form; Under returning to form, if the handshake message that the member device receiving direct-connected non-recovery state sends, then can determine self to be connected in normal stacking topology, at this moment can reactivate or reset, thus can guarantee that in member device reseting procedure, network there will not be two main frame, and then the reliability of network can be improved.
Be described below by the repositioning method of instantiation to stacking topology member provided by the invention.
Here suppose that the member device A in stacking topology is member device to be resetted, first, member device A is before reset, in stacking topology, inundation leaves (Leave) message, wherein, what member device A sent leaves in message the facility information mark of carrying member device A, and the member device leaving message receiving member device A transmission can find member device A according to the said equipment message identification in the topology information of this locality preservation.Wherein, the facility information of above-mentioned member device A mark can be the MAC Address of member device A etc. can in stacking topology the mark of unique identification member device A, the embodiment of the present invention is not construed as limiting this.
Then, the message that leaves received is transmitted to direct-connected member device from the stacking opening except receiving the above-mentioned stacking opening leaving message by the member device leaving message receiving member device A transmission, to reach the effect by leaving message inundation in stacking topology, and according to the facility information identifier lookup member device A leaving message and carry.After finding member device A, member device A is deleted from the topology information of self preserving, then check the accessibility of the main equipment in the stacking topology after the machine to removing members device A.Particularly, if member device A is the main equipment in the stacking topology before removing members device A, then after removing members device A, need to elect new main equipment in the stacking topology first after removing members device A, reexamine the accessibility that self arrives new main equipment.If member device A is not the main equipment in the stacking topology before removing members device A, main equipment in stacking topology then after removing members device A is constant, it is still the main equipment in the stacking topology before removing members device A, so after removing members device A, do not need to re-elect new main equipment, the accessibility of the main equipment directly in the stacking topology of inspection self after removing members device A.Wherein, when electing new main equipment, can conduct an election according to the election regulation of main equipment.
Owing to generally saving the annexation in stacking topology between member device in topology information, therefore generally can check whether any two member devices can reach according to topology information.For the stacking topology shown in Fig. 2, Fig. 2 is the schematic diagram of the stacking topological embodiment of the present invention.In Fig. 2, if member device 1 can reach to member device 2, member device 2 can reach to member device 3, then member device 1 can reach to member device 3; If member device 3 is unreachable to member device 4, then member device 1, member device 2 and member device 3 is all unreachable to member device 4, and such member device 1, member device 2 and member device 3 is also unreachable to member device 5.When member's device discovery oneself is unreachable to main equipment, self is set to return to form.
Still for topology stacking shown in Fig. 2, suppose that the member device 5 in this stacking topology is main equipment, other member devices are from equipment.Then when member device 4 resets, member device 4 can leave message to stacking topological inundation, receive the member device leaving message that member device 4 sends, removing members equipment 4 from the topology information that self preserves, and check the accessibility self arriving main equipment (i.e. member device 5), member device 1,2,3, just cannot arrive main equipment (i.e. member device 5) after removing members equipment 4, and therefore self can be set to return to form by member device 1,2 and 3.
Finally, be in the member device that returns to form after (Hello) message of shaking hands that the member device receiving direct-connected non-recovery state sends, reactivate or reset.Particularly, be in the member device returned to form receive its direct-connected non-recovery state member device send handshake message after, then illustrate that the above-mentioned member device returned to form that is in just is being connected in a normal stacking topology now.Now, be in the member device support returned to form if above-mentioned and reinitialize (i.e. member device do not need to reset just can complete resetting software and hardware) online, then be in the member device returned to form and can add this normal stacking topology by the mode of mutual handshake message, and accept main equipment the resetting oneself business in this stacking topology; Be in the member device returned to form not support to reinitialize online if above-mentioned, then the above-mentioned member device returned to form that is in can reset, add this normal stacking topology when init state by the mode of mutual handshake message, and accept main equipment the resetting oneself business in this stacking topology.
Still for Fig. 2, after member device 4 completes reset and again joins stacking topology, the handshake message that the member device 4 receiving direct-connected non-recovery state sends by member device 3, at this moment, member device 3 can be restarted and be joined the topology (4-5-6-7-8) at member device 4 place; In like manner, member device 2 adds the topology (3-4-5-6-7-8) at member device 3 place after receiving the handshake message of member device 3 transmission, member device 1 adds the topology (2-3-4-5-6-7-8) at member device 2 place after receiving the handshake message of member device 2 transmission.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 3 is the structural representation of a resetting means embodiment of the stacking topology member of the present invention, resetting means in the present embodiment can realize the present invention's flow process embodiment illustrated in fig. 1, as shown in Figure 3, the resetting means of this stacking topology member can comprise: receiver module 31, search module 32, removing module 33, checking module 34, arrange module 35 and reseting module 36;
Wherein, receiver module 31, leaves message for what receive that member device to be resetted sends, above-mentionedly leaves the facility information mark that message carries member device to be resetted; Wherein, the facility information of member device to be resetted mark can for the MAC Address of member device to be resetted etc. can in stacking topology the mark of this member device to be resetted of unique identification, the present embodiment is not construed as limiting this;
Search module 32, the member device that the facility information identifier lookup for receiving according to receiver module 31 is to be resetted;
Removing module 33, for after searching module 32 and finding member device above-mentioned to be resetted, deletes member device above-mentioned to be resetted from the topology information that the member device at resetting means place is preserved;
Checking module 34, for according to the above-mentioned topology information after the member device resetted of deletion, checks the accessibility of the member device at above-mentioned resetting means place to the main equipment deleted in above-mentioned stacking topology after the member device resetted;
Module 35 being set, during for finding that the member device at above-mentioned resetting means place is unreachable to above-mentioned main equipment when checking module 34, the member device at above-mentioned resetting means place being set to return to form;
Reseting module 36, after the handshake message of the member device transmission of the non-recovery state that the member device for receiving above-mentioned resetting means place at receiver module 31 is direct-connected, reactivates or resets.
In above-mentioned resetting means, after what receiver module 31 received that member device to be resetted sends leave message, search the member device that module 32 is to be resetted according to this facility information identifier lookup left in message, member device to be resetted is deleted by removing module 33 from the topology information of self preserving, if checking module 34 finds that the member device at above-mentioned resetting means place is unreachable to the main equipment deleted in above-mentioned stacking topology after the member device resetted, then module 35 is set the member device at above-mentioned resetting means place is set to return to form; Under returning to form, if the handshake message that the member device that receiver module 31 receives direct-connected non-recovery state sends, then can determine that the member device at above-mentioned resetting means place is connected in normal stacking topology, at this moment reseting module 36 can reactivate or reset, thus can guarantee that in member device reseting procedure, network there will not be two main frame, and then the reliability of network can be improved.
Fig. 4 is the structural representation of another embodiment of resetting means of the stacking topology member of the present invention, and compared with the resetting means shown in Fig. 3, difference is, the resetting means shown in Fig. 4 can also comprise:
First sending module 37, leaves message from the direct-connected member device of the member device being transmitted to this resetting means place except the stacking opening received except the above-mentioned stacking opening leaving message for what received by receiver module 31.
In the present embodiment, checking module 34, specifically for being when deleting the main equipment in the stacking topology before the above-mentioned member device wait resetting when the above-mentioned member device wait resetting, after removing module 33 deletes member device above-mentioned to be resetted, in the above-mentioned stacking topology after the member device resetted of deletion, elect new main equipment, and check the accessibility of member device to new main equipment at above-mentioned resetting means place.
If member device above-mentioned to be resetted is not the main equipment in the stacking topology before deleting this member device to be resetted, the main equipment then deleted in above-mentioned stacking topology after the member device resetted is constant, still for deleting the main equipment in the stacking topology before this member device to be resetted, so after removing module 33 deletes member device above-mentioned to be resetted, do not need to re-elect new main equipment, checking module 34 directly checks the accessibility of the member device at above-mentioned resetting means place to the main equipment deleted in above-mentioned stacking topology after the member device resetted.
Reseting module 36, specifically for after the handshake message that the member device receiving direct-connected non-recovery state at receiver module 31 sends, if the member device support at above-mentioned resetting means place reinitializes online, then add normal stacking topology by the mode of mutual handshake message; If the member device at above-mentioned resetting means place is not supported to reinitialize online, then reset, add normal stacking topology when init state by the mode of mutual handshake message.
In the present embodiment, above-mentioned resetting means can also comprise: the second sending module 38, for when the member device at above-mentioned resetting means place prepares to reset, leave message by all stacking opening of the member device at this resetting means place to the member device transmission that the member device at above-mentioned resetting means place is direct-connected, this leaves the facility information mark that message carries the member device at above-mentioned resetting means place.Wherein, this facility information mark can be MAC Address etc. can in stacking topology the mark of the member device at the above-mentioned resetting means place of unique identification, the present embodiment is not construed as limiting this.
Above-mentioned resetting means can guarantee that in member device reseting procedure, network there will not be two main frame, and then can improve the reliability of network.
The embodiment of the present invention also provides a kind of network equipment, can comprise the resetting means of Fig. 3 of the present invention or the stacking topology member provided embodiment illustrated in fig. 4.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the application is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a repositioning method for linear stacking topology member, is characterized in that, comprising:
What receive that member device to be resetted sends leaves message, described in leave the facility information mark that message carries member device to be resetted;
According to described facility information identifier lookup to described in after member device to be resetted, member device described to be resetted is deleted from the topology information of self preserving, and according to topology information after the member device resetted described in deleting, check self accessibility to the main equipment in the linear stacking topology described in deleting after the member device resetted;
If it is unreachable to find self to arrive described main equipment, then self is set to return to form, after the handshake message that the member device receiving direct-connected non-recovery state sends, reactivates or reset.
2. method according to claim 1, is characterized in that, described receive that member device to be resetted sends leave message after, also comprise:
The described message that leaves is transmitted to direct-connected member device from the stacking opening except leaving the stacking opening of message described in receiving.
3. method according to claim 1 and 2, is characterized in that, described topology information according to deletion after the member device resetted, and checks that self comprises to the accessibility of the main equipment in the stacking topology described in deletion after the member device resetted:
If described in member device to be resetted be delete described in main equipment in stacking topology before member device to be resetted, then after member device to be resetted described in deleting, in the stacking topology described in deleting after the member device resetted, elect new main equipment, and check the accessibility self arriving described new main equipment.
4. method according to claim 1 and 2, is characterized in that, described after the handshake message that the member device receiving direct-connected non-recovery state sends, and reactivates or reset to comprise:
After the handshake message that the member device receiving direct-connected non-recovery state sends, if self support to reinitialize online, then add normal stacking topology by the mode of mutual handshake message;
If self do not support to reinitialize online, then reset, add normal stacking topology when init state by the mode of mutual handshake message.
5. method according to claim 1, is characterized in that, also comprises:
Prepare reset time, by self all stacking opening to direct-connected member device send leave message, described in leave message carry self facility information mark.
6. a resetting means for linear stacking topology member, is characterized in that, comprising:
Receiver module, leaves message for what receive that member device to be resetted sends, described in leave the facility information mark that message carries member device to be resetted;
Search module, for member device to be resetted described in the described facility information identifier lookup that receives according to described receiver module;
Removing module, for described search module searches to described in after member device to be resetted, member device described to be resetted is deleted from the topology information that the member device at described resetting means place is preserved;
Checking module, for the topology information according to deletion after the member device resetted, checks the accessibility of the main equipment in the linear stacking topology described in the member device at described resetting means place to deletion after the member device resetted;
Module being set, during for finding that the member device at described resetting means place is unreachable to described main equipment when described checking module, the member device at described resetting means place being set to return to form;
Reseting module, after the handshake message of the member device transmission of the non-recovery state that the member device for receiving described resetting means place at described receiver module is direct-connected, reactivates or resets.
7. device according to claim 6, is characterized in that, also comprises:
First sending module, is transmitted to the direct-connected member device of the member device at described resetting means place for the message that leaves received by described receiver module from the stacking opening except the stacking opening leaving message described in receiving.
8. the device according to claim 6 or 7, is characterized in that,
Described checking module, specifically for when described in when the member device resetted is for main equipment in stacking topology before the member device resetted described in deleting, after member device to be resetted described in described removing module is deleted, in the stacking topology described in deleting after the member device resetted, elect new main equipment, and check the accessibility of the member device at described resetting means place to described new main equipment.
9. the device according to claim 6 or 7, is characterized in that,
Described reseting module, specifically for after the handshake message that the member device receiving direct-connected non-recovery state at described receiver module sends, if the member device support at described resetting means place reinitializes online, then add normal stacking topology by the mode of mutual handshake message; If the member device at described resetting means place is not supported to reinitialize online, then reset, add normal stacking topology when init state by the mode of mutual handshake message.
10. device according to claim 6, is characterized in that, also comprises:
Second sending module, for when the member device at described resetting means place prepares to reset, to be sent to the member device that the member device at described resetting means place is direct-connected by all stacking opening of the member device at described resetting means place and leave message, described in leave the facility information mark that message carries the member device at described resetting means place.
11. 1 kinds of network equipments, is characterized in that, comprising: the resetting means of the linear stacking topology member as described in claim 6-10 any one.
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| CN103412830B (en) * | 2013-08-13 | 2016-12-07 | 华为技术有限公司 | A kind of method, apparatus and system of centralized management |
| CN109005111B (en) * | 2018-08-24 | 2021-07-23 | 新华三技术有限公司 | IRF splitting and merging method and device |
| CN110087251B (en) * | 2019-04-15 | 2022-10-11 | 公牛集团股份有限公司 | Method and device for quickly deleting equipment, computer equipment and storage medium |
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| CN102780582A (en) | 2012-11-14 |
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