CN106792857A - Loop detecting method, loop detection means and system - Google Patents
Loop detecting method, loop detection means and system Download PDFInfo
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- CN106792857A CN106792857A CN201611229430.6A CN201611229430A CN106792857A CN 106792857 A CN106792857 A CN 106792857A CN 201611229430 A CN201611229430 A CN 201611229430A CN 106792857 A CN106792857 A CN 106792857A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
Abstract
The invention discloses a kind of loop detecting method, loop detection means and system, including：The loop detection message that adjacent radio reception device sends is received, loop detection message includes receiving the information of the radio reception device of loop detection message and corresponding mark, each unique mark of radio reception device correspondence；Judge the mark with the presence or absence of this radio reception device in loop detection message；If in the presence of the radio reception device information in loop detection message determines loop information.The present invention sends loop detection message to another radio reception device of uplink association from an optional radio reception device, when each radio reception device receives message, the mark of oneself is inserted in messages, it is further forwarded to another associated radio reception device of up-link, just stopped forwarding when cannot forward or find that identical is identified in messages, this way of search can quickly find in network with the presence or absence of loop and there are how many loop.
Description
Technical field
The present invention relates to WLAN（WLAN, Wireless Local Areal Network）Technical field, especially
It is to be related to one kind in WDS（Wireless Distribution System, hotspot compartment system）Or wireless bridging situation
Under loop detecting method, loop detection means and loop detection system.
Background technology
Wireless network generally overlays a certain region of user's request, and is by multiple AP
（WirelessAccessPoint, wireless access points）The Mesh network of composition（Wireless mesh network）.
One important function of AP is exactly to relay, and so-called relaying is exactly that wireless signal is amplified one between two wireless points
It is secondary so that the client of distal end can receive stronger wireless signal.An AP for example is placed in a points, and has one in c points
Client, between have 120 meters of distance, weakened much to c point signals from a points, then the b points at 60 meters of midway put one
Individual AP just can effectively strengthen as relaying, the signal of the client of such c points, it is ensured that transmission speed and stability.
The important function of another of AP is bridge joint, and bridge joint is exactly to link two end points, between realizing two wireless aps
Data transfer, it is desirable to which two cable LANs are coupled together, general just selection is bridged by AP, for example, have one in a points
15 cable LANs of computer composition, the cable LAN that b points are made up of 25 computer, but the distance of 2 points of ab is very
Far, 100 meters have been exceeded, it is impossible by wired connection, then how two LANs being linked together, this is accomplished by
One AP is respectively set in a points and b points, AP bridging functionalitys are opened, the LAN that 2 points of such ab just can mutually transmit data.
It is noted that, there is no the AP of WDS functions, 2 points is no wireless signal covering after bridge joint.
In some wireless coverage areas, such as some scenic spots more remote by position, network layout is difficult deployment, this
When be accomplished by carrying out distributed deployment with WDS, i.e., using certain frequency range of AP, such as 5G is linked into another as data feedback channel
Individual AP.
In addition, also there is some scene flows of the people big, in order to improve the reliability of whole wireless system, by it is wired it is up with
Wireless uplink comes into force simultaneously, i.e. access in radio POE（Power Over Ethernet, active Ethernet）Interchanger, it is wireless to utilize
5G frequency ranges access another AP, when a certain bar up-link breaks down, another up-link it is replaceable it, there is provided more may be used
The access passage for leaning on.Although this solution solves the deployment issue of wireless coverage well, in practical engineering application
In be very easy to cause the loop of network link, so as to influence the normal operation of wireless network.
The content of the invention
Although the technical problem to be solved in the present invention is to overcome WDS in the prior art or wireless bridged network well
The deployment issue of wireless coverage is solved, but is very easy to cause the loop of network link in practical engineering application, so that shadow
Ring the defect of the normal operation of wireless network, there is provided a kind of loop detecting method, loop detection means and system.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The present invention provides a kind of loop detecting method, and its feature is, including：
The loop detection message that adjacent radio reception device sends is received, the loop detection message includes receiving the ring
The information of the radio reception device of road detection messages and corresponding mark, wherein, each radio reception device correspondence unique
Individual mark；
Judge in the loop detection message whether the existing mark of radio reception device；
If in the presence of the radio reception device information in the loop detection message determines loop information.
It is preferred that it is described judge in the loop detection message whether existing radio reception device mark the step of it
After include：
If the mark of this radio reception device is added in the absence of the mark of this radio reception device in the loop detection message
The loop detection message, and judge that the up-link of this radio reception device sets with the presence or absence of associated another wireless access
It is standby, if the up-link of this radio reception device has associated another radio reception device, by the loop detection message
It is sent to the associated another radio reception device of up-link.
It is preferred that the up-link for judging this radio reception device sets with the presence or absence of associated another wireless access
Further included after standby step：
When the up-link of this radio reception device is in the absence of associated another radio reception device, then by the loop detection report
The information of the radio reception device in text is sent to a controller.
It is preferred that the step of radio reception device information in the loop detection message determines loop information it
After include：The loop information is sent to the controller.
It is preferred that it is described by this radio reception device uniquely identify addition the loop detection message the step of include：Will
The mark is added in the Payload fields of the loop detection message.
The present invention also provides a kind of loop detecting method, and its feature is to be applied to multiple radio reception device compositions
Network, each radio reception device is respectively provided with unique mark, and the loop detecting method is comprised the following steps：
An optional radio reception device from the network, constructs a loop detection message, and inserted in the loop detection message
The mark of the radio reception device, the loop detection message is sent to up-link with the radio reception device to be associated
On another radio reception device；Another radio reception device inserts its mark in the loop detection message, by loop inspection
Text is observed and predicted to send to the another radio reception device being associated with the up-link of another radio reception device；
The another radio reception device judge in the loop detection message whether the existing mark of radio reception device；
If in the presence of the radio reception device information in the loop detection message determines loop information.
The present invention also provides a kind of loop detection means, and its feature is, including：
One receiver module, for receiving the loop detection message that adjacent radio reception device sends, the loop detection message
Include receiving the information of the radio reception device of the loop detection message and corresponding mark, wherein, each wireless access
The unique mark of equipment correspondence；
One first judge module, for judge in the loop detection message whether the existing mark of radio reception device；
One determining module, in the presence of judging, the radio reception device information in the loop detection message to determine
Loop information.
It is preferred that the loop detection means also include an add module and one second judge module；
When the add module is used for the mark in the absence of this radio reception device in the loop detection message, by this wireless access
The mark of equipment adds the loop detection message, and calls second judge module to judge the up-link of this radio reception device
With the presence or absence of associated another radio reception device, there is associated another nothing in the up-link of this radio reception device
During line access device, the loop detection message is sent to the associated another radio reception device of up-link.
It is preferred that the loop detection means also include one first sending module, first sending module is used for when this is wireless
The up-link of access device does not exist associated another radio reception device, then by wirelessly connecing in the loop detection message
The information for entering equipment is sent to a controller.
It is preferred that the loop detection means also include one second sending module, second sending module is used for the loop
Information is sent to the controller.
It is preferred that the add module is used to that the mark to be added into the loop detection message when judging and not existing
In Payload fields.
The present invention also provides a kind of loop detection system, and its feature is to be applied to multiple radio reception devices and one
The network of controller composition, each radio reception device is respectively provided with unique mark, and each radio reception device is included as weighed
Loop detection means in profit requirement described in any one.
It is preferred that the plurality of radio reception device passes through WDS or wireless bridging networking.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and obtain final product each preferable reality of the present invention
Example.
Positive effect of the invention is：
The present invention proposes a kind of loop detecting method, apparatus and system in the case of WDS or wireless bridging, from appointing in network
One radio reception device sets out and scans for, i.e., send loop detection message to uplink association from a radio reception device
Another radio reception device, when each radio reception device receives loop detection message, the mark of oneself is inserted in messages
Know ID, be further forwarded to another associated radio reception device of up-link, until that cannot forward or in loop detection
When finding to there is identical to identify ID in message, just stop forwarding.By this way of search, wireless network can be rapidly found
In with the presence or absence of loop and there are how many loop.
Brief description of the drawings
Fig. 1 is the flow chart of the loop detecting method of present pre-ferred embodiments.
Fig. 2 is the structured flowchart of the loop detection means of present pre-ferred embodiments.
Fig. 3 is the flow chart of the loop detecting method in the case of WDS or wireless bridging of present pre-ferred embodiments.
Fig. 4 is the DAG digraphs of the AP1 ~ AP5 of the simplification of present pre-ferred embodiments.
Fig. 5 is the DAG digraphs of the AP6 ~ AP12 of the simplification of present pre-ferred embodiments.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the present embodiment provides a kind of loop detecting method, including：
The loop detection message that step 101, the adjacent radio reception device of reception send, the loop detection message includes receiving
The information and corresponding mark of the radio reception device of the loop detection message were arrived, wherein, each radio reception device correspondence
A unique mark；
Step 102, judge in the loop detection message whether the existing mark of radio reception device, if entering step in the presence of if
Rapid 103, step 104 is entered if not existing；
Step 103, the radio reception device information in the loop detection message determine loop information, by loop information hair
Deliver to controller；
Step 104, by this radio reception device mark add the loop detection message Payload fields in；
Step 105, the up-link of this radio reception device is judged with the presence or absence of associated another radio reception device, if depositing
Then into step 106, if not existing, into step 107；
Step 106, the loop detection message is sent to the associated another radio reception device of up-link；
Step 107, the information of the radio reception device in the loop detection message is sent to the controller.
The present embodiment also provides a kind of loop detection system, and it is applied to multiple radio reception devices and a controller group
Into network, each radio reception device is respectively provided with unique mark, and each radio reception device includes loop detection dress
Put, wherein, the plurality of radio reception device passes through WDS or wireless bridging networking.
Wherein, as shown in Fig. 2 the loop detection means include that a receiver module 1, one first judge module 2, determine mould
Block 3, one second sending module 4, an add module 5, one second judge module 6 and one first sending module 7.
The receiver module 1 is used to receive the loop detection message that adjacent radio reception device sends, the loop detection
Message includes receiving the information of the radio reception device of the loop detection message and corresponding mark, wherein, it is each wireless
The unique mark of access device correspondence；
First judge module 2 be used to judge in the loop detection message whether the existing mark of radio reception device；
The determining module 3 is used in the presence of judging, the radio reception device information in the loop detection message determines
Loop information；
Second sending module 4 is used to send the loop information to the controller；
When the add module 5 is used for the mark in the absence of this radio reception device in the loop detection message, this is wirelessly connect
The mark for entering equipment adds the Payload fields of the loop detection message, and calls second judge module 6；
Second judge module 6 is used to judging that the up-link of this radio reception device another wirelessly to connect with the presence or absence of associated
Enter equipment, when the up-link of this radio reception device has associated another radio reception device, by the loop detection
Message is sent to the associated another radio reception device of up-link；
First sending module is used to be set in the absence of associated another wireless access when the up-link of this radio reception device
It is standby, then the information of the radio reception device in the loop detection message is sent to the controller.
The present embodiment also provides a kind of loop detecting method in the case of WDS or wireless bridging, is applied to multiple wireless
The network of access device composition, each radio reception device is respectively provided with unique mark.
Wherein, WDS is hotspot compartment system, and it is a special function in wireless aps and wireless routing, simply
For be exactly that the relaying of AP adds bridging functionality, it can realize two wireless devices communications, it is also possible to play the work for amplifying signal
With, and the SSID of product can also be different.This is a very useful function, than if any three family neighbours, each household has one
Support that the wireless routing or AP of WDS, such wireless signal just can simultaneously be covered at this three family so that mutual communication is more
It is convenient.But it is noted that the WDS equipment that the wireless routing of each brand is supported is conditional（4-8 can typically be supported
Individual equipment）, the WDS functions of different brands can not necessarily link successfully.
Wireless bridging techniques are a kind of technologies of LAN wireless connection, are wireless radio-frequency and traditional wired network
The product that bridge technology is combined, the LAN that it can will seamlessly be separated by dozens of kilometres links together, and creates unification
Enterprise or city field network system.In simplest network architecture, the ethernet port of bridge is connected to certain in LAN
On hub or switch, signal emission port is then connected by cable with antenna；Network system is realized by such mode
The extension of system.
As shown in figure 3, the loop detecting method is comprised the following steps：
Step 201, the topological diagram that the data link of radio reception device and radio reception device up direction is constituted is reduced to
One DAG digraphs.
Step 202, a radio reception device APi is selected from the DAG digraphs, construct a loop detection message, and
The mark of radio reception device APi is inserted in the Payload fields of the loop detection message to form set S={ APi }, will
The loop detection message is sent on the radio reception device APm being associated to the up-link with radio reception device APi.
Wherein, radio reception device APi represents i-th radio reception device, and 1≤i≤N, radio reception device APm is represented
M-th radio reception device, 1≤m≤N.
Step 203, radio reception device APm receive the loop detection message, and in the loop detection message
The mark of radio reception device APm is inserted in Payload fields to form set S={ APi, APm }, by the loop detection report
Text is sent to the radio reception device APn being associated with the up-link of radio reception device APm.
Wherein, radio reception device APn represents n-th radio reception device, 1≤n≤N.
Step 204, radio reception device APn receive the loop detection message, judge in the loop detection message whether
In the presence of the mark of radio reception device APn, if then entering step 205, otherwise into step 206.
Step 205, radio reception device APn stop forwarding the loop detection message, and report a discovery wireless loop
Information is to a cloud AC.
In step 205, the discovery wireless loop information includes set S={ APi, APm }.
Step 206, radio reception device APn insert this and wirelessly connect in the Payload fields of the loop detection message
Enter the mark of device A Pn, to form set S={ APi, APm, APn }, by the loop detection message send to the wireless access
On the associated another radio reception device of the up-link of device A Pn.
In this loop detecting method, identified in the presence of it in radio reception device APn judges the loop detection message
When, the loop detection message is just stopped forwarding, and will be seen that wireless loop this case reports cloud AC.Then, have from the DAG
To an optional radio reception device in other radio reception devices of figure in addition to the radio reception device crossed after testing, repeat
Perform above-mentioned loop detection flow.By this way of search, wireless network can be had soon found that with the presence or absence of loop and deposited
In how many loop.
With reference to Figure 4 and 5, name a specific example to illustrate the present invention, to enable those skilled in the art
More fully understand technical scheme：
It is assumed that wireless coverage area has 12 radio reception devices to pass through WDS or wireless bridging networking.
1st, the topological diagram for constituting the data link of 12 radio reception devices and radio reception device up direction simplifies
It is a DAG digraph, the DAG digraphs of wherein AP1 ~ AP5 are as shown in Figure 4；
2nd, select radio reception device AP1 from DAG digraphs, once searched for, i.e., since this radio reception device AP1,
One loop detection message P1 of construction, oneself is inserted in the Payload fields of loop detection message P1（I.e. wireless access sets
Standby AP1）Mark to form set S={ AP1 }, then send loop detection message P1 to radio reception device AP1's
On the associated radio reception device AP2 of up-link；
3rd, radio reception device AP2 receives loop detection message P1, and in the Payload fields of loop detection message P1
The middle mark for inserting radio reception device AP2 to form set S={ AP1, AP2 }, by loop detection message P1 send to
On the associated radio reception device AP3 of the up-link of radio reception device AP2；
4th, when radio reception device AP3 receives loop detection message P1, judge set S={ AP1, AP2 } whether comprising AP3 marks
Know, do not exist, then insert the mark of oneself in the Payload fields of this loop detection message P1 with formed set S=AP1,
AP2, AP3 }, then relay to next radio reception device AP4；
5th, when radio reception device AP4 receives loop detection message P1, judge whether set S={ AP1, AP2, AP3 } includes
AP4 is identified, and is not existed, then insert the mark of oneself to form set S=in the Payload fields of this loop detection message P1
{ AP1, AP2, AP3, AP4 }, then relays to next radio reception device AP5；
6th, when radio reception device AP5 receives loop detection message P1, judge whether set S={ AP1, AP2, AP3, AP4 } wraps
Containing AP5 marks, do not exist, then insert the mark of oneself to form set S in the Payload fields of this loop detection message P1
={ AP1, AP2, AP3, AP4, AP5 }, then relays to next radio reception device AP2；
7th, when radio reception device AP2 receives loop detection message P1, set S={ AP1, AP2, AP3, AP4, AP5 } is judged
Whether radio reception device AP2 is included, now finds exist, then radio reception device AP2 sends loop and alerts to cloud AC immediately,
And report the mark sequence of set S to give cloud AC, simultaneously close off the wireless bridging link of radio reception device AP5 to AP2, now without
Line access device AP2 no longer forwarding loop detection messages P1；
8th, now AP1 ~ AP5 had been detected in wireless network, specified another APi（6≤i≤N）Start second to search for.
Assuming that it is radio reception device AP6, the DAG of radio reception device AP6 ~ AP12 to specify another radio reception device
Digraph is as shown in Figure 5.
9th, radio reception device AP6 is have selected from DAG digraphs, is once searched for, i.e., from this radio reception device AP6
Start, construct a loop detection message P2, oneself is inserted in the Payload fields of loop detection message P2（It is i.e. wireless
Access device AP6）Mark to form set S={ AP6 }, then send loop detection message P2 and set to the wireless access
On the radio reception device AP7 that one up-link of standby AP6 is associated；
10th, radio reception device AP7 receives loop detection message P2, and in the Payload words of loop detection message P2
Section in insert the mark of radio reception device AP7 to form set S={ AP6, AP7 }, by loop detection message P2 send to
On the radio reception device AP8 being associated with a up-link of radio reception device AP7；
11st, when radio reception device AP8 receives loop detection message P2, judge set S={ AP6, AP7 } whether comprising wireless
The mark of access device AP8, does not exist, then inserted in the Payload fields of this loop detection message P2 the mark of oneself with
Set S={ AP6, AP7, AP8 } is formed, next radio reception device AP9 is then relayed to；
12nd, when radio reception device AP9 receives loop detection message P2, judge whether set S={ AP6, AP7, AP8 } includes
The mark of radio reception device AP9, does not exist, then insert the mark of oneself in the Payload fields of this loop detection message P2
Know to form set S={ AP6, AP7, AP8, AP9 }, then relay to next radio reception device AP10；
13rd, whether when radio reception device AP10 receives loop detection message P2, set S={ AP6, AP7, AP8, AP9 } is judged
Mark comprising radio reception device AP10, does not exist, then insert oneself in the Payload fields of this loop detection message P2
Mark to form set S={ AP6, AP7, AP8, AP9, AP10 }, then relay to next radio reception device AP11；
14th, when radio reception device AP11 receives loop detection message P2, judgement set S=AP6, AP7, AP8, AP9,
AP10 } whether comprising radio reception device AP11 marks, do not exist, then in the Payload fields of this loop detection message P2
Insert the mark of oneself to form set S={ AP6, AP7, AP8, AP9, AP10, AP11 }, then relay to next wireless
Access device AP12；
15th, when radio reception device AP12 receives loop detection message P2, judgement set S=AP6, AP7, AP8, AP9,
AP10, AP11 } whether comprising radio reception device AP12 mark, do not exist, then in the Payload of this loop detection message P2
The mark of oneself is inserted in field to form set S={ AP6, AP7, AP8, AP9, AP10, AP11, AP12 }, is then forwarded again
To next radio reception device AP8；
16th, when radio reception device AP8 receives loop detection message P2, judgement set S=AP6, AP7, AP8, AP9,
AP10, AP11, AP12 } whether comprising radio reception device AP8 mark, now find exist, then radio reception device AP8 stand
Loop is sent to cloud AC to alert, and report the mark sequence of set S to give cloud AC, simultaneously close off radio reception device AP12 and arrive
The WDS links of AP8, now radio reception device AP8 no longer forwarding loop detection messages P2.
To sum up, the present invention is scanned for from any radio reception device in network, i.e., set from a wireless access
Preparation send loop detection message to another radio reception device of uplink association, each radio reception device to receive loop
During detection messages, the mark ID of oneself is inserted in messages, be further forwarded to associated another of up-link and wirelessly connect
Enter equipment, when cannot forward or find to there is identical to identify ID in loop detection message, just stop forwarding.By this
Way of search, can have soon found that wireless network with the presence or absence of loop and there are how many loop.
Although the foregoing describing specific embodiment of the invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle of the invention and essence, various changes or modifications can be made to these implementation methods, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (13)
1. a kind of loop detecting method, it is characterised in that including：
The loop detection message that adjacent radio reception device sends is received, the loop detection message includes receiving the ring
The information of the radio reception device of road detection messages and corresponding mark, wherein, each radio reception device correspondence unique
Individual mark；
Judge in the loop detection message whether the existing mark of radio reception device；
If in the presence of the radio reception device information in the loop detection message determines loop information.
2. loop detecting method as claimed in claim 1, it is characterised in that described whether to judge in the loop detection message
In the presence of this radio reception device mark the step of after include：
If the mark of this radio reception device is added in the absence of the mark of this radio reception device in the loop detection message
The loop detection message, and judge that the up-link of this radio reception device sets with the presence or absence of associated another wireless access
It is standby, if the up-link of this radio reception device has associated another radio reception device, by the loop detection message
It is sent to the associated another radio reception device of up-link.
3. loop detecting method as claimed in claim 2, it is characterised in that the uplink of described this radio reception device of judgement
Further included after the step of road is with the presence or absence of associated another radio reception device：
When the up-link of this radio reception device is in the absence of associated another radio reception device, then by the loop detection report
The information of the radio reception device in text is sent to a controller.
4. loop detecting method as claimed in claim 3, it is characterised in that described wireless in the loop detection message
Include after the step of access device information determines loop information：The loop information is sent to the controller.
5. loop detecting method as claimed in claim 2, it is characterised in that described uniquely to identify this radio reception device
The step of adding the loop detection message includes：During the mark to add the Payload fields of the loop detection message.
6. a kind of loop detecting method, it is characterised in that be applied to the network of multiple radio reception devices compositions, it is each wirelessly to connect
Enter equipment and be respectively provided with unique mark, the loop detecting method is comprised the following steps：
An optional radio reception device from the network, constructs a loop detection message, and inserted in the loop detection message
The mark of the radio reception device, the loop detection message is sent to up-link with the radio reception device to be associated
On another radio reception device；Another radio reception device inserts its mark in the loop detection message, by loop inspection
Text is observed and predicted to send to the another radio reception device being associated with the up-link of another radio reception device；
The another radio reception device judge in the loop detection message whether the existing mark of radio reception device；
If in the presence of the radio reception device information in the loop detection message determines loop information.
7. a kind of loop detection means, it is characterised in that including：
One receiver module, for receiving the loop detection message that adjacent radio reception device sends, the loop detection message
Include receiving the information of the radio reception device of the loop detection message and corresponding mark, wherein, each wireless access
The unique mark of equipment correspondence；
One first judge module, for judge in the loop detection message whether the existing mark of radio reception device；
One determining module, in the presence of judging, the radio reception device information in the loop detection message to determine
Loop information.
8. loop detection means as claimed in claim 7, it is characterised in that the loop detection means also include an add module
With one second judge module；
When the add module is used for the mark in the absence of this radio reception device in the loop detection message, by this wireless access
The mark of equipment adds the loop detection message, and calls second judge module to judge the up-link of this radio reception device
With the presence or absence of associated another radio reception device, there is associated another nothing in the up-link of this radio reception device
During line access device, the loop detection message is sent to the associated another radio reception device of up-link.
9. loop detection means as claimed in claim 8, it is characterised in that the loop detection means also include that one first sends
Module, first sending module is used to be set in the absence of associated another wireless access when the up-link of this radio reception device
It is standby, then the information of the radio reception device in the loop detection message is sent to a controller.
10. loop detection means as claimed in claim 9, it is characterised in that the loop detection means also include one second hair
Module is sent, second sending module is used to send the loop information to the controller.
11. loop detection means as claimed in claim 8, it is characterised in that the add module is used to judge do not exist
When the mark adds the Payload fields of the loop detection message.
12. a kind of loop detection systems, it is characterised in that be applied to the net of multiple radio reception devices and a controller composition
Network, each radio reception device is respectively provided with unique mark, and each radio reception device is including any one in such as claim
Loop detection means described in.
13. loop detection systems as claimed in claim 12, it is characterised in that the plurality of radio reception device by WDS or
Wireless bridging networking.
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| CN201611229430.6A CN106792857A (en) | 2016-12-27 | 2016-12-27 | Loop detecting method, loop detection means and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478843A (en) * | 2020-04-16 | 2020-07-31 | 中电科航空电子有限公司 | Airborne network ring network detection method and system |
| CN112235878A (en) * | 2020-09-28 | 2021-01-15 | 北京和峰科技有限公司 | Hybrid ad hoc network management method and device, readable storage medium and electronic equipment |
| CN113014441A (en) * | 2019-12-19 | 2021-06-22 | 西安诺瓦星云科技股份有限公司 | Network port loop detection method and system |
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