CN111478787A - AP restarting method and management equipment - Google Patents
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- 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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The method comprises the steps of judging whether an AP with a first mark is in a first AP group associated with a first client or not, if not, selecting the first AP from the first AP group, restarting other APs which are not selected as the first AP, marking the restarted other APs with the first mark, and if so, restarting the AP without the first mark in the first AP group, and marking the restarted AP with the first mark, wherein the first mark is used for indicating that the AP is restarted.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to an AP restart method and a management device.
Background
With the wide application of wireless technology, the number of AP (Access Point) devices in a wireless networking is increasing with the number of clients, and even a large-scale AC (Access controller) cluster has been gradually used in some networking to replace the original single AC management networking, thereby covering a high-density wireless network environment. Meanwhile, in such a networking system, the ACs of each load service are usually managed by a management device, where the management device may be a high-end AC device or a server device, and the management device is networked with each AP and AC in a tight coupling or loose coupling manner.
As shown in fig. 1, the management device is coupled to the AC1, the AC2, the AC3, and the AC4, and is configured to manage and control the respective ACs, where the AC1, the AC2, the AC3, and the AC4 are each connected to one AP.
When the whole network upgrade is needed, the first stage is AC upgrade, which usually adopts technologies such as hot standby to prevent the AP from being disconnected, for example, in fig. 1, AC1 upgrade may temporarily take over the AP1 through AC3 or AC4, and after AC1 is upgraded, the AC1 temporarily takes over APs under other ACs to upgrade other ACs.
The second phase is AP upgrade, for example, AP upgrade below AC1 in fig. 1, that is, AP1 will be version upgraded and will be restarted directly after upgrade, however, each AP is directly connected to the client, and when the AP is restarted, the AP will be disconnected from the client, thereby causing traffic interruption.
Disclosure of Invention
The embodiment of the disclosure provides a method and a device for restarting an AP, which can restart the AP according to a corresponding rule, and reduce the situation of client flow interruption caused by direct restart of the AP after version upgrade.
In one embodiment, a method of restarting an AP includes:
judging whether an AP marked with a first mark exists in a first AP group associated with a first client;
if not, selecting the first AP from the first AP group, restarting other APs which are not selected as the first AP, and identifying the restarted other APs as first marks;
if yes, restarting the AP which is not marked with the first mark in the first AP group, and marking the restarted AP with the first mark;
wherein the first flag is used for indicating that the AP is restarted.
It can be seen from the above embodiments that, before restarting an AP, it may be determined whether an AP that has been version-upgraded and restarted exists in a first AP group associated with a first client, where each AP in the first AP group may be connected to a first client, and if not, a first AP is selected from the first AP group not to restart, so that when other APs in the first AP group are upgraded and restarted, the first client may receive and transmit data through the first AP; if the AP is not restarted, the restarting of the AP can be realized, and the first client can transmit and receive data through the version-upgraded and restarted AP, so that the condition of client flow interruption caused by the restarting of the AP is reduced.
In another embodiment, the selecting a first AP from the first AP group specifically includes:
judging whether the first AP group has an AP marked with a second mark;
if so, selecting the AP marked with the second mark as the first AP;
if not, selecting one AP from the first AP group as a first AP, and identifying a second mark for the selected AP;
wherein the second flag is used for indicating that the AP is not restarted.
It can be seen from the foregoing embodiment that, since one AP may be connected to multiple clients at the same time, if an AP identified with the second flag already exists in the first AP group, it indicates that an AP that is not restarted is already selected for other clients and the second flag is identified, at this time, when the first AP is selected for the first AP group, the AP identified with the second flag may be directly selected, and the APs in the first AP group are restarted as much as possible.
In another embodiment, the restarting the other AP that is not selected as the first AP, and identifying the restarted other AP as the first mark specifically includes:
restarting the AP which is not marked with the second mark, and marking the restarted AP with the first mark.
In another embodiment, after the AP after the restart identifies the first flag, the method further includes:
and acquiring the first AP marked with the second mark, and rejecting the second mark.
In another embodiment, after selecting a first AP from the first AP group, if only the first AP exists in the first AP group, the first AP is restarted, and a first identifier is identified for the restarted AP.
The present disclosure also provides a management device, which includes:
a judging module: the judging module is used for judging whether the first AP group associated with the first client side has the AP marked with the first mark;
a selection module: when the judging module determines that the first AP identified with the first mark does not exist in the first AP group, the selecting module is used for selecting the first AP from the first AP group;
and a restarting module: after the selection module selects a first AP from the first AP group, the restart module is configured to instruct other APs, which are not selected as the first AP, in the first AP group to restart; or
When the judging module determines that the first marked AP exists in the first AP group, the restarting module is used for indicating the AP which is not marked with the first mark in the first AP group to restart;
an identification module: the identification module is used for identifying a first mark for the restarted AP;
wherein the first flag is used for indicating that the AP is restarted.
In another embodiment, when the selection module selects a first AP from the first group of APs,
judging whether the first AP group has an AP marked with a second mark;
if the first AP exists, the selection module selects the AP marked with the second mark as the first AP;
if the first mark does not exist, the selection module selects an AP from the first AP group as a first AP, and the identification module identifies a second mark to the selected AP;
wherein the second flag is used for indicating that the AP is not restarted.
In another embodiment, the restarting module restarts the AP not identified with the second mark, and the identifying module identifies the restarted AP with the first mark.
In another embodiment, the identifying module is further configured to obtain the first AP identified with the second mark after identifying the restarted AP with the first mark, and remove the second mark.
In another embodiment, after the selecting module selects the first AP from the first AP group, if only the first AP exists in the first AP group, the restarting module restarts the first AP, and the identifying module identifies the first mark to the restarted AP.
Drawings
Fig. 1 is a schematic diagram of a network architecture according to an embodiment of the present disclosure;
fig. 2 is a flowchart of a method for restarting an AP according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a network architecture according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a network architecture according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a network architecture according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a network architecture according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The present disclosure provides an embodiment for exemplarily setting forth a method for restarting an AP, which is protected by the present disclosure, as shown in fig. 2, the method for restarting an AP includes:
s1: judging whether an AP marked with a first mark exists in a first AP group associated with a first client;
s2: if not, selecting the first AP from the first AP group, restarting other APs which are not selected as the first AP, and identifying the restarted other APs as first marks;
s3: if yes, restarting the AP which is not marked with the first mark in the first AP group, and marking the restarted AP with the first mark;
wherein the first flag is used for indicating that the AP is restarted.
In the embodiment of the present disclosure, the management device executing the above steps may be a network management device, or may be an AC device with higher configuration.
In this embodiment, if version upgrade needs to be performed on the wireless network, the management device may issue an update version to each AC, and each AC may update an old version according to the update version after receiving the update version, specifically, after the AC completes version update, the AC that completes version update needs to be restarted, so that the AC may enable a new version.
When the version of each AP needs to be upgraded, the management device may issue an update version, each AP may update the old version according to the update version after receiving the update version, and when the AP completes the version update, the AP that completes the version update needs to be restarted, so that the AP may enable the new version, in order to prevent traffic interruption due to restart of the AP (for example, traffic interruption due to connection interruption between the AP and the client due to restart of the AP), the management device may control each AP not to be restarted first after the version update is completed, and perform steps S1 to S3.
In step S1, the management device may obtain association between each AP and each client through a packet reported by the AP (or through the AC) (the association includes a neighbor relation or a radio frequency neighbor report that can be sent and received, for example, a client that can or has accessed the AP).
As shown in fig. 3, the management device learns, through a message sent by the AC, that the first client may be associated with the AP1, the AP2, and the AP3 (that is, the first client may be connected with the AP1, the AP2, and the AP 3), that the second client may be associated with the AP1, the AP4, and the AP5 (that is, the second client may be connected with the AP1, the AP4, and the AP 5), that the third client may be associated with the AP6 and the AP7 (that is, the third client may be connected with the AP6 and the AP 7), and according to the learning result, the management device may determine that the first AP group associated with the first client includes: AP1, AP2, AP3, the respective second group of APs associated with the second client comprising: AP1, AP4, AP5, a third AP group associated with a third client comprising: AP6, AP 7.
In this embodiment, the first and second determination can be made
Whether an AP identified with a first flag already exists in a first AP group associated with a client (for convenience of explanation, the first AP group associated with the first client is used in this embodiment for illustration, and a processing method of other AP groups associated with other clients is the same as that of the first AP group, and is not described again), where the first flag is used to indicate that an AP has completed version upgrade and has been restarted, for example, the first flag may be a "DONE" flag, and it may be determined whether an AP has already been restarted by determining whether an AP in the AP group identifies the "DONE" flag, and if an AP in the first AP group that does not have the first flag does not exist in step S2, for example, if it is determined that no first flag is identified in AP1, AP2, and AP3 in the first AP group associated with the first client, it may be determined that all APs in the first AP group have not been restarted.
The present disclosure also provides an embodiment for implementing step S2, including:
judging whether the first AP group has an AP marked with a second mark;
if so, selecting the AP marked with the second mark as the first AP;
and if not, selecting one AP from the first AP group as the first AP, and identifying a second mark for the selected AP.
Wherein the second flag is used to indicate that an AP is not restarted (a "REMAIN" flag is available), for example, in this embodiment, the AP includes a first client, a second client, and a third client (note that the first, the second, and the third are only used to distinguish clients, and are not limited in sequence), as shown in fig. 4, in a possible case, if the management device determines that an AP identified with the second flag does not exist in a first AP group corresponding to the first client, and an AP identified with the "REMAIN" flag does not exist, (for convenience of description, the second flag is described as "REMAIN" hereinafter), a certain AP in the AP group may be arbitrarily selected as the first AP (or may be selected according to a corresponding preference policy, for example, according to conditions such as available resource amount and signal strength of each AP), for example, in this embodiment, AP1 is selected as the first AP, and "REMAIN" flag is identified to AP1, to identify that the AP1 is not rebooting;
in another possible case, if the management device determines that the AP identified with "REMAIN" does not exist in the second AP group corresponding to the second client before performing the step on the first AP group corresponding to the first client, it may determine that the AP1 in the second AP group corresponding to the second client is the first AP, and identify the "REMAIN" flag for the AP1, and at the next time, when the management device determines whether the AP identified with "REMAIN" exists in the first AP group corresponding to the first client, it may determine that the AP1 in the first AP group has already identified the "REMAIN" flag, and may directly determine that the AP1 is the first AP.
Since the execution process of the second AP group corresponding to the second client and the third AP group corresponding to the third client is the same as that of the first AP group corresponding to the first client, the description is omitted.
It can be seen from the foregoing embodiments that, when a first AP (an AP that is not restarted) is set for each AP group, it may be determined whether an AP identified with "remap" already exists in each AP group (whether an AP that can be shared among multiple AP groups exists), and if so, the shared AP may be reused as the first AP, so as to minimize APs that are not restarted at time T (at the time of restarting the AP that is not identified with "remap" mark), that is, when restarting each AP in the network, it is ensured that the APs that are not restarted are minimized, and the APs in the network are upgraded at the maximized restart each time.
In this embodiment, step S2 is executed to determine that AP1 in the first AP group, AP1 in the second AP group, and AP6 in the third AP group are the first AP, and identify the "REMAIN" flag, that is, the first AP is set for each client, at this time, a restart operation may be performed on other APs in the network that do not identify the "REMAIN" flag, that is, AP2 and AP3 in the first AP group, AP4 and AP5 in the second AP group, and AP7 in the third AP group, and the first flag ("DONE" flag) is added after AP2, AP3, AP4, AP5, and AP7 are restarted.
In this embodiment, before the AP2, the AP3, the AP4, and the AP5 are restarted, the AP1 and the AP6 are already selected as the first AP, so in the restarting process of the AP2, the AP3, the AP4, the AP5, and the AP7, the first client, the second client, and the third client can complete the transceiving of traffic through the AP1 and the AP6, and the interruption of traffic is avoided.
In the embodiment provided by the present disclosure, after the restarted AP identifies the first tag, the first AP identified with the second tag is obtained, and the second tag is removed, specifically, as shown in fig. 5, after the AP2, the AP3, the AP4, the AP5, and the AP7 are restarted, the "REMAIN" tag identified with the AP1 and the AP6 may be removed, and when the management device executes step S1 again, it may be determined that the AP2 and the AP3 (for convenience of description, the first client is used for exemplary description) identified with the "DONE" tag exist in the first AP group associated with the first client, and then step S3 is executed.
In step S3, the management device may control the AP1 that does not identify the "DONE" flag to restart, and during the restart of the AP1, the first client may implement traffic transceiving through the AP2 or the AP3 in the first AP group, so as to avoid occurrence of traffic interruption, and further, after the AP1 completes the restart, identify the DONE flag to the restarted AP1, and in an embodiment, when the management device determines that all APs in the network have completed the restart, the "DONE" flags of all APs may be removed, and the current version upgrade restart operation is completed.
In practical applications, there may be only one AP associated with a certain client, and therefore, the present disclosure further provides an embodiment, after the step S2 is executed to select a first AP from the first AP group, if only the first AP exists in the first AP group, the first AP is restarted, and a first identifier is identified for the restarted AP.
As shown in fig. 6, the third AP group associated with the third client includes an AP6, and when the management device determines that no other AP exists in the third AP group after selecting the first AP from the third AP group, that is, after selecting the AP6 as the first AP, the management device may control the AP6 to restart directly, and identify a "DONE" flag to the restarted AP6, so as to prevent the AP6 from being restarted.
Based on the same idea as the foregoing embodiment, the present disclosure further provides a management device, where the management device may be a network management device or an AC device with higher configuration, and the management device includes:
a judging module: the judging module is used for judging whether the first AP group associated with the first client side has the AP marked with the first mark;
a selection module: when the judging module determines that the first AP identified with the first mark does not exist in the first AP group, the selecting module is used for selecting the first AP from the first AP group;
and a restarting module: after the selection module selects a first AP from the first AP group, the restart module is configured to instruct other APs, which are not selected as the first AP, in the first AP group to restart; or
When the judging module determines that the first marked AP exists in the first AP group, the restarting module is used for indicating the AP which is not marked with the first mark in the first AP group to restart;
an identification module: the identification module is used for identifying a first mark for the restarted AP;
wherein the first flag is used for indicating that the AP is restarted.
In an embodiment, when the selecting module selects a first AP from the first AP group, it determines whether an AP identified with a second tag already exists in the first AP group;
if the first AP exists, the selection module selects the AP marked with the second mark as the first AP;
if the first mark does not exist, the selection module selects an AP from the first AP group as a first AP, and the identification module identifies a second mark to the selected AP;
wherein the second flag is used for indicating that the AP is not restarted.
In one embodiment, the restarting module restarts the AP not identified with the second mark, and the identifying module identifies the restarted AP with the first mark.
In an embodiment, the identifying module is further configured to obtain the first AP identified with the second mark after identifying the restarted AP with the first mark, and remove the second mark.
In an embodiment, after the selecting module selects the first AP from the first AP group, if only the first AP exists in the first AP group, the restarting module restarts the first AP, and the identifying module identifies the first mark to the restarted AP.
The electronic device provided by the embodiments of the present disclosure has the same implementation principle and technical effect as the foregoing method embodiments, and for the sake of brief description, no mention is made in the apparatus embodiments, and reference may be made to the corresponding contents in the foregoing method embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed method and electronic device can be implemented in other manners. The embodiments described above are merely illustrative, and the flowcharts and block diagrams in the figures, for example, illustrate the architecture, functionality, and operation of possible implementations of methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Finally, it should be noted that: the above-mentioned embodiments are merely specific embodiments of the present disclosure, which are used for illustrating the technical solutions of the present disclosure and not for limiting the same, and the scope of the present disclosure is not limited thereto, and although the present disclosure is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive of the technical solutions described in the foregoing embodiments or equivalent technical features thereof within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present disclosure, and should be construed as being included therein. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. A method of AP restart, the method comprising:
judging whether an AP marked with a first mark exists in a first AP group associated with a first client;
if not, selecting the first AP from the first AP group, restarting other APs which are not selected as the first AP, and identifying the restarted other APs as first marks;
if yes, restarting the AP which is not marked with the first mark in the first AP group, and marking the restarted AP with the first mark;
wherein the first flag is used for indicating that the AP is restarted.
2. The method of claim 1, wherein the selecting the first AP from the first AP group comprises:
judging whether the first AP group has an AP marked with a second mark;
if so, selecting the AP marked with the second mark as the first AP;
if not, selecting one AP from the first AP group as a first AP, and identifying a second mark for the selected AP;
wherein the second flag is used for indicating that the AP is not restarted.
3. The method according to claim 2, wherein restarting the other APs that are not selected as the first AP, and identifying the restarted other APs as first marks includes:
restarting the AP which is not marked with the second mark, and marking the restarted AP with the first mark.
4. The method of claim 3, wherein after identifying the first flag by the restarted AP, the method further comprises:
and acquiring the first AP marked with the second mark, and rejecting the second mark.
5. The method of claim 1, further comprising:
after the first AP is selected from the first AP group, if only the first AP exists in the first AP group, the first AP is restarted, and a first mark is marked on the restarted AP.
6. A management device, characterized in that the management device comprises:
a judging module: the judging module is used for judging whether the first AP group associated with the first client side has the AP marked with the first mark;
a selection module: when the judging module determines that the first AP identified with the first mark does not exist in the first AP group, the selecting module is used for selecting the first AP from the first AP group;
and a restarting module: after the selection module selects a first AP from the first AP group, the restart module is configured to instruct other APs, which are not selected as the first AP, in the first AP group to restart; or
When the judging module determines that the first marked AP exists in the first AP group, the restarting module is used for indicating the AP which is not marked with the first mark in the first AP group to restart;
an identification module: the identification module is used for identifying a first mark for the restarted AP;
wherein the first flag is used for indicating that the AP is restarted.
7. The management device according to claim 6, wherein when the selection module selects a first AP from the first AP group,
judging whether the first AP group has an AP marked with a second mark;
if the first AP exists, the selection module selects the AP marked with the second mark as the first AP;
if the first mark does not exist, the selection module selects an AP from the first AP group as a first AP, and the identification module identifies a second mark to the selected AP;
wherein the second flag is used for indicating that the AP is not restarted.
8. The management device according to claim 7,
the restarting module restarts the AP which is not marked with the second mark, and the marking module marks the restarted AP with the first mark.
9. The management device according to claim 8,
the identification module is further configured to identify the restarted AP with a first mark, acquire the first AP identified with a second mark, and remove the second mark.
10. The management device according to claim 6,
after the selection module selects a first AP from the first AP group, if only the first AP exists in the first AP group, the restart module restarts the first AP, and the identification module identifies a first mark to the restarted AP.
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| CN114630379A (en) * | 2020-12-11 | 2022-06-14 | 慧与发展有限责任合伙企业 | System and method for seamless real-time upgrade of access points using neighbor data |
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