CN102118837A - Configuration acquiring method, zero configuration access point and neighbor access point - Google Patents
Configuration acquiring method, zero configuration access point and neighbor access point Download PDFInfo
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- CN102118837A CN102118837A CN2009102589024A CN200910258902A CN102118837A CN 102118837 A CN102118837 A CN 102118837A CN 2009102589024 A CN2009102589024 A CN 2009102589024A CN 200910258902 A CN200910258902 A CN 200910258902A CN 102118837 A CN102118837 A CN 102118837A
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Abstract
The invention discloses a configuration acquiring method, a zero configuration access point and a neighbor access point. The configuration acquiring method comprises the following steps of: A1, discovering neighbor APs (Access Points) through scanning by a first AP in a zero configuration state, sequentially selecting one neighbor AP from the neighbor APs, and reporting a first AP identifier to the selected neighbor AP so that the neighbor AP forwards the first AP identifier to an AC (Access Controller) related to the neighbor AP and the AC determines whether the first AP is permitted to be associated or not according to the first AP identifier; B1, when the first AP receives an association permitted indication which is forwarded from the neighbor AP and comes from the AC, establishing a CAPWAP (Control And Provisioning of Wireless Access Points) channel with the AC, and acquiring self configuration from the AC through the CAPWAP channel; and when the first AP receives an association refused indication sent from the neighbor AP, forwarding to the next neighbor AP; and returning to the step A1. The speed of the zero configuration AP for acquiring the configuration is increased by adopting the invention.
Description
Technical field
The present invention relates to the data configuration technical field, be specifically related to dispose acquisition methods and zero configuration access point, neighboring access point.
Background technology
Wireless access point control and supply (CAPWAP, Controlling and Provisioning ofWireless Access Point) be a kind of access point (AP, Access Point) with access controller (AC, Access Controller) communications protocol between, CAPWAP uses User Datagram Protoco (UDP) (UDP, User Datagram Protocol) as bearing protocol in the IP network; The CAPWAP agreement is the main tool that AC management AP and AP carry out data forwarding.
Netted (MESH) technology is at the international (IEEE of IEEE, The Instituteof Electrical and Electronic Engineer) a kind of medium access control (MAC that defines in the P802.11s draft, Media Access Control) layer technology, be replenishing to standardized 802.11 WLAN (wireless local area network) (WLAN, Wireless Local Area Network) MAC technology already.The wireless Mesh netword model is to utilize wireless connections to substitute wired connection a plurality of AP are coupled together, and it has, and deployment is quick, extensibility is strong, the advantage of high reliability.
Fig. 1 is a simple MESH network diagram, at first provides following two notions:
AP zero configuration state: when AP is initial, without any configuration, be in uncontrollable state, can't move the state of any business.
AP non-zero configuration status: AP and AC set up after the CAPWAP passage, from the AC download configuration, are subjected to the state of AC control and management.
As shown in Figure 1, AC links to each other by wired ethernet with AP1, and AP1 and AC set up the CAPWAP passage, downloads and the operation configuration from AC.Other AP as: AP2～5 utilize the MESH wireless technology, earlier set up two layers of link with AP1, set up the CAPWAP passage with AC again, from the AC download configuration, enter operating state.
Fig. 2 enters the flow chart of operating state for existing AP from the zero configuration state, and as shown in Figure 2, its concrete steps are as follows:
Step 201: the AP (being made as AP0) that is in the zero configuration state can set up the neighbor AP tabulation of two layers of link by scanning discovery.
Step 202:AP0 selects a neighbor AP successively from the neighbor AP tabulation, set up interim two layers of link with this neighbor AP.
Step 203:AP0 obtains an IP address, uses the two layer link of this IP address by setting up, and sounds out with AC and sets up the CAPWAP passage.
If AP0 self disposes the IP address, then AP0 uses this IP address and AC to set up the CAPWAP passage; If AP0 self is configuration of IP address not, then AP0 can ask Dynamic Host Configuration Protocol server to distribute an IP address, uses the IP address and the AC that are assigned to set up the CAPWAP passage.
It is to be noted, because AP0 does not also know that AC supports IPv4 or IPv6 address, therefore, if AP0 use initial IP address as: IPv4 or IPv6 address and AC set up the CAPWAP passage and fail, then can change another kind of IP address as IPv6 or IPv4 address, reattempt with AC and set up the CAPWAP passage,, then think and to set up the CAPWAP passage with this AC if do not set up successfully yet.
Step 204:AP0 judges whether the CAPWAP passage sets up success, if, execution in step 205; Otherwise, execution in step 206.
Step 205:AP0 goes up download configuration by the CAPWAP passage of setting up from this AC, enters operating state, and this flow process finishes.
Step 206:AP0 discharges current interim two layers of link, returns step 202.
From flow process shown in Figure 2 as can be seen, the AP0 that is in the zero configuration state is in order to obtain the configuration of self, need set up interim two layers of link one by one with the neighbor AP in the neighbor list, sound out the operation of setting up three layers of passage of CAPWAP with AC again after setting up two layers of link, AP0 is possibly through setting up temporary link with a plurality of neighbor AP like this, and sound out set up the CAPWAP passage after, just can find can download configuration AC, can relate to and obtain the IP address and sound out the process set up the CAPWAP passage, the IP address of souning out the AC support is IPv4 or IPv6 address or the like operation, thereby it is longer to cause AP0 to enter time of operating state, sometimes above 10 minutes.
For example: Fig. 3 enters the exemplary plot of operating state from the zero configuration state for existing AP, as shown in Figure 3, AP4 is in the zero configuration state, AP1 is related with AC1, AP2 is related with AC2, Fat AP3 is not related with any AC, AP4 is by scanning discovery neighbor AP: AP1, AP2, AP3, AP4 sets up temporary link and sets up the CAPWAP passage by this temporary link exploration with each neighbor AP successively according to the channel order at each neighbor AP place, if AP4 is configured on the AC2, and AP4 sets up the order of temporary link be: AP1, AP3, AP2, like this, AP0 will set up three temporary links and carry out three times and sound out, and could successfully set up CAPWAP passage and download configuration, enters operating state.
Summary of the invention
The invention provides configuration acquisition methods and zero configuration AP, neighbor AP, obtain the speed of configuration to improve zero configuration AP.
Technical scheme of the present invention is achieved in that
A kind of configuration acquisition methods, this method comprises:
A1, be in the zero configuration state the first access point AP by the scanning discovery neighbor AP, in neighbor AP, select a neighbor AP successively, report AP sign to the neighbor AP of selecting, so that this neighbor AP is transmitted AP sign and made this AC determine whether to allow an AP related according to AP sign to the access controller AC related with this neighbor AP;
B1, when an AP receive described neighbor AP transmit come from the related indication of permission of AC the time, set up wireless access point control and supply CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC; When an AP receives the related indication of refusal that described neighbor AP sends, go to next neighbor AP, return steps A 1.
Steps A 1 a described AP selects after the neighbor AP in neighbor AP successively, further comprised before the neighbor AP of selecting reports AP sign:
The one AP and this neighbor AP are set up temporary link;
The described AP of step B1 receives after the related indication of refusal that described neighbor AP sends, further comprise before going to next neighbor AP:
Temporary link between the one AP release and described neighbor AP.
A described AP is designated: an AP sequence number.
Steps A 1 a described AP reports AP sign to comprise to the neighbor AP of selecting:
The one AP is carried at the neighbor AP that sends to selection in two layers of request message with AP sign, and the type field value in two layers of request message is preset value, serves as that can request informs the message related with AC to represent this message.
A kind of configuration acquisition methods, this method comprises:
A2, the neighbor AP that is in an AP of zero configuration state receive the AP sign that an AP sends, and AP sign is transmitted to the AC related with this neighbor AP, so that this AC determines whether to allow an AP association according to AP sign;
B2, neighbor AP receive related indication of permission or the related indication of refusal that AC returns, should allow the related indication of related indication or refusal to be transmitted to an AP, so that an AP is according to allowing related indication to set up the CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC, perhaps, related indication goes to next neighbor AP according to refusal.
Steps A 2 described neighbor AP receive after the AP sign that an AP sends, further comprise before AP sign is transmitted to the AC related with this neighbor AP:
This neighbor AP judges whether self is related with an AC, if carry out the described action that AP sign is transmitted to the AC related with this neighbor AP; Otherwise, directly return the related indication of refusal to an AP.
Steps A 2 described neighbor AP are transmitted to the AC related with this neighbor AP with AP sign and comprise:
Neighbor AP is carried at AP sign in the CAPWAP message and sends to AC, and the type field value in the CAPWAP message is preset value, serves as that can request informs the message related with AC to represent this message.
A kind of zero configuration access point AP, this AP comprises:
First module, by the scanning discovery neighbor AP, in neighbor AP, select a neighbor AP successively, report AP sign to the neighbor AP of selecting, so that this neighbor AP is transmitted AP sign and made this AC determine whether to allow an AP related according to AP sign to the access controller AC related with this neighbor AP;
Second module when receiving that described neighbor AP is transmitted next related indication of the permission from AC, is set up the CAPWAP passage with described AC, obtains self configuration by this CAPWAP passage from described AC; When receiving the related indication of refusal that described neighbor AP is sent, go to next neighbor AP.
Described first module is further used for, and after selecting a neighbor AP successively, sets up temporary link with this neighbor AP;
And after receiving the related indication of refusal that described neighbor AP is sent, the temporary link between release and described neighbor AP.
A kind of neighbor AP, this neighbor AP comprises:
First module receives the AP sign that the AP be in the zero configuration state sends, and AP sign is transmitted to the AC related with this AP, so that this AC determines whether to allow an AP association according to AP sign;
Second module, receive related indication of permission or the related indication of refusal that AC returns, should allow the related indication of related indication or refusal to be transmitted to an AP, so that an AP is according to allowing related indication to set up the CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC, perhaps related indication goes to next neighbor AP according to refusal.
Described first module is further used for, and receives after the AP sign that an AP sends, and judges whether this AP is related with an AC, if AP sign is transmitted to the AC related with this AP; Otherwise, directly return the related indication of refusal to an AP.
Compared with prior art, among the present invention, when on current AC, not having the configuration of zero configuration AP, zero configuration AP need not sound out the operation of setting up the CAPWAP passage with current AC, when only the configuration of zero configuration AP being arranged on current AC, zero configuration AP just can carry out setting up with current AC the operation of CAPWAP passage, like this, avoided meaningless CAPWAP passage to set up operation, accelerated zero configuration AP and obtained the speed of configuration.
Description of drawings
Fig. 1 is existing MESH network diagram;
Fig. 2 enters the flow chart of operating state for existing AP from the zero configuration state;
Fig. 3 enters the exemplary plot of operating state from the zero configuration state for existing AP;
The zero configuration AP that Fig. 4 provides for the embodiment of the invention obtains the flow chart of configuration;
The configuration acquisition methods flow chart that Fig. 5 provides for the embodiment of the invention from the angle of zero configuration AP;
The configuration acquisition methods flow chart that Fig. 6 provides for the embodiment of the invention from the angle of the neighbor AP of zero configuration AP;
The zero configuration AP that Fig. 7 provides for the embodiment of the invention obtains the system diagram of configuration.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
The zero configuration AP that Fig. 4 provides for the embodiment of the invention obtains the flow chart of configuration, and as shown in Figure 4, its concrete steps are as follows:
Step 401: the AP (being made as AP0) that is in the zero configuration state sets up the neighbor AP tabulation by the scanning discovery neighbor AP.
Step 402:AP0 selects a neighbor AP successively from the neighbor AP tabulation, set up interim two layers of link with this neighbor AP.
Step 403:AP0 sends two layers of request message to current neighbor AP, and the type in this message (Type) field value is a preset value, carries AP0 sequence number (Serial ID) in this message simultaneously.
The type field value in these two layers of request messages is a preset value to show this message serves as whether request can the message related with AC if informing.
Step 404: current neighbor AP is received request message, according to the type field in this message be worth knowing whether this message informs for request can the message related with AC, then from message, read the AP0 sequence number, the AP0 sequence number is encapsulated in the CAPWAP message, be preset value with the type field value value in the CAPWAP message simultaneously, the CAPWAP message is sent to the AC related with self.
The type field value in this CAPWAP message is that whether can with AC related message for request if informing in order to show this message equally.
Because current neighbor AP might be not related with any AC interfering AP, in this step, current neighbor AP be worth knowing according to the type field in the request message this message whether inform for request can the message related with AC after, can judge earlier whether self is related with an AC, if, then carry out the follow-up AP0 sequence number that from message, reads, the AP0 sequence number is encapsulated in step in the CAPWAP message; Otherwise, directly return two layers of response message that carry the related indication of refusal to AP0.
Step 405:AC receives the CAPWAP message, reads the type field value of this message earlier, reads the AP0 sequence number then from message.
Step 406:AC judges according to the AP0 sequence number whether self has the configuration of AP0, if, execution in step 407; Otherwise, execution in step 410.
Step 407:AC will allow related indication to be carried at and send to current neighbor AP in the CAPWAP message.
Step 408: neighbor AP receives the CAPWAP message, reads to allow related indication from message, will allow related indication to be carried in two layers of response message and return to AP0.
Step 409:AP0 receives two layers of response message, reads to allow related indication from message, sets up the CAPWAP passage with AC, and uses this CAPWAP passage from the AC download configuration, enters operating state, and this flow process finishes.
Step 410:AC will refuse related indication and be carried at and send to current neighbor AP in the CAPWAP message.
Step 411: neighbor AP receives the CAPWAP message, reads the related indication of refusal from message, will refuse related indicate to be carried in two layers of response message return to AP0.
Step 412:AP0 receives two layers of response message, reads the related indication of refusal from message, discharges current interim two layers of link, returns step 402.
From flow process shown in Figure 4 as can be seen, in the embodiment of the invention, what make improvements mainly is zero configuration AP and its neighbor AP, below from the angle of zero configuration AP and its neighbor AP the embodiment of the invention is described in detail respectively again:
The configuration acquisition methods flow chart that Fig. 5 provides for the embodiment of the invention from the angle of zero configuration AP, as shown in Figure 5, its concrete steps are as follows:
Step 501: the AP (being made as AP0) that is in the zero configuration state sets up the neighbor AP tabulation by the scanning discovery neighbor AP.
Step 502:AP0 selects a neighbor AP successively from the neighbor AP tabulation, set up interim two layers of link with this neighbor AP.
Step 503:AP0 sends two layers of request message to current neighbor AP, type in this message (Type) field value is a preset value, carry AP0 sequence number (Serial ID) in this message simultaneously, so that neighbor AP reports the AC related with it with this AP0 sequence number, and make AC determine whether to allow the AP0 association according to this AP0 sequence number.
Step 504:AP0 receives two layers of response message that neighbor AP is sent, judges to have carried in the message to allow the still related indication of refusal of related indication, if the former, execution in step 505; If the latter, execution in step 506.
Step 505:AP0 and AC set up the CAPWAP passage, and use this CAPWAP passage from the AC download configuration, enter operating state, and this flow process finishes.
Step 506:AP0 discharges current interim two layers of link, returns step 502.
The configuration acquisition methods flow chart that Fig. 6 provides for the embodiment of the invention from the angle of the neighbor AP of zero configuration AP, as shown in Figure 6, its concrete steps are as follows:
Step 601: the neighbor AP that is in the AP (being made as AP0) of zero configuration state receives two layers of request message that AP0 sends, and the type in this message (Type) field value is a preset value, carries AP0 sequence number (Serial ID) in this message simultaneously.
The type field value in these two layers of request messages is a preset value to show this message serves as whether request can the message related with AC if informing.
Step 602: neighbor AP according to the type field in this message be worth knowing whether this message informs for request can the message related with AC, judge whether self related with an AC, if, execution in step 604; Otherwise, execution in step 603.
Step 603: neighbor AP is directly returned two layers of response message that carry the related indication of refusal to AP0, and related indication discharges current interim two layers of link so that AP0 is according to this refusal, continues to send two layers of request message to next neighbor AP, and this flow process finishes.
Step 604: neighbor AP reads the AP0 sequence number from message, the AP0 sequence number is encapsulated in the CAPWAP message, and be preset value with the type field value value in the CAPWAP message simultaneously, the CAPWAP message is sent to the AC related with self.
The type field value in this CAPWAP message is that whether can with AC related message for request if informing in order to show this message equally.
Step 605: neighbor AP receives the CAPWAP message that AC returns, from message, read and allow related indication or the related indication of refusal, the related indication of the permission of reading or the related indication of refusal be carried in two layers of response message return to AP0, so that AP0 is according to allowing related indication to set up the CAPWAP passage with AC, and use this CAPWAP passage from the AC download configuration, enter operating state, perhaps, related indication discharges current interim two layers of link according to refusal, continues to send two layers of request message to next neighbor AP.
Below provide one of the present invention and use example:
Be example with Fig. 3 equally, AP4 is in the zero configuration state, and AP4 is by scanning discovery neighbor AP: AP1, AP2, AP3, and AP4 is configured on the AC2, and the order that AP4 sets up temporary link is: AP1, AP3, AP2, and then to obtain the process of configuration as follows for AP4:
01:AP4 sets up temporary link with AP1 earlier, send two layers of request message that carry the AP4 sequence number to AP1 by this temporary link again, AP1 receives this request message, send the CAPWAP message that carries the AP4 sequence number to AC1, AC1 receives this CAPWAP message, find self not have the configuration of AP4, then return the CAPWAP message that carries the related indication of refusal to AP1, AP1 receives this CAPWAP message, send two layers of response message that carry the related indication of refusal to AP4, AP4 receives this message, and the temporary link between release and AP1 goes to step 02.
02:AP4 sets up temporary link with Fat AP3 again, send two layers of request message that carry the AP4 sequence number to AP3 by this temporary link again, AP3 receives this request message, find that self is not related with any AC, then return two layers of response message that carry the related indication of refusal to AP4, AP4 receives this message, and the temporary link between release and AP3 goes to step 03.
03:AP4 and AP2 set up temporary link, send two layers of request message that carry the AP4 sequence number to AP2 by this temporary link again, AP2 receives this request message, send the CAPWAP message that carries the AP4 sequence number to AC2, AC2 receives this CAPWAP message, find self to have the configuration of AP4, then return to AP2 and carry the CAPWAP message that allows related indication, AP2 receives this CAPWAP message, sends to AP4 and carries two layers of response message that allow related indication, AP4 receives this message, obtain an IP address, use this IP address and AC2 to set up the CAPWAP passage, after the CAPWAP passage is set up successfully, go up download configuration from AC2, enter operating state.
As can be seen, the method that adopts the embodiment of the invention to provide, when on current AC, not having the configuration of zero configuration AP, zero configuration AP need not sound out the operation of setting up the CAPWAP passage with current AC, when only the configuration of zero configuration AP being arranged on current AC, zero configuration AP just can carry out setting up with current AC the operation of CAPWAP passage, like this, avoided meaningless CAPWAP passage to set up operation, accelerated zero configuration AP and obtained the speed of configuration.
The zero configuration AP that Fig. 7 provides for the embodiment of the invention obtains the system diagram of configuration, and as shown in Figure 7, it mainly comprises: zero configuration AP 71, neighbor AP 72 and AC 73, wherein:
Zero configuration AP 71: in the neighbor AP that scans, select a neighbor AP 72 successively, send two layers of request message that carry self identification to neighbor AP 72; If receive two layers of response message that carry the related indication of permission that neighbor AP 72 is returned, then set up the CAPWAP passage with AC 73 by neighbor AP 72, obtain self configuration by this CAPWAP passage from AC 73; If receive two layers of response message that carry the related indication of refusal that neighbor AP 72 is returned, then continue to select next neighbor AP.
Neighbor AP 72: receive two layers of request message that zero configuration AP 71 sends, from message, read zero configuration AP sign, this zero configuration AP sign is carried at sends to the AC related 73 in the CAPWAP message with self; Receive the CAPWAP message that allows related indication or the related indication of refusal that carries that AC sends, should allow related indication or refusal association to indicate to be carried in two layers of response message and send to zero configuration AP71.
AC 73: receive the CAPWAP message that neighbor AP 72 is sent, read zero configuration AP sign from message, judge whether self has the configuration of this zero configuration AP, if return the CAPWAP message that carries the related indication of permission to neighbor AP; Otherwise, return the CAPWAP message that carries the related indication of refusal to neighbor AP.
In actual applications, neighbor AP 72 also can comprise: be used for judging whether self is related with an AC after receiving two layers of request message that zero configuration AP 71 sends, if determine to transmit zero configuration AP sign in these messages to this AC 73; Otherwise, directly return the module of carrying the related two layers of response message of indicating of refusal to zero configuration AP 71.
Below provide the composition of the zero configuration AP that the embodiment of the invention provides, this zero configuration AP can comprise:
First module: by the scanning discovery neighbor AP, in neighbor AP, select a neighbor AP successively, report AP sign to the neighbor AP of selecting, so that this neighbor AP is transmitted AP sign and made this AC determine whether to allow an AP related according to AP sign to the access controller AC related with this neighbor AP.
Second module: when receiving that described neighbor AP is transmitted next related indication of the permission from AC, set up the CAPWAP passage, obtain self configuration from described AC by this CAPWAP passage with described AC; When receiving the related indication of refusal that described neighbor AP is sent, go to next neighbor AP.
Wherein, first module also can be used for, and after selecting a neighbor AP successively, sets up temporary link with this neighbor AP; And after receiving the related indication of refusal that described neighbor AP is sent, the temporary link between release and described neighbor AP.
Below provide the composition diagram of the neighbor AP of the zero configuration AP that the embodiment of the invention provides, this neighbor AP can comprise:
First module: receive the AP sign that the AP be in the zero configuration state sends, AP sign is transmitted to the AC related with this AP, so that this AC determines whether to allow an AP association according to AP sign.
Second module: receive related indication of permission or the related indication of refusal that AC returns, should allow the related indication of related indication or refusal to be transmitted to an AP, so that an AP is according to allowing related indication to set up the CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC, perhaps related indication goes to next neighbor AP according to refusal.
Wherein, first module also can be used for, and receives after the AP sign that an AP sends, and judges whether this AP is related with an AC, if AP sign is transmitted to the AC related with this AP; Otherwise, directly return the related indication of refusal to an AP.
The above only is process of the present invention and method embodiment, in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. one kind is disposed acquisition methods, it is characterized in that this method comprises:
A1, be in the zero configuration state the first access point AP by the scanning discovery neighbor AP, in neighbor AP, select a neighbor AP successively, report AP sign to the neighbor AP of selecting, so that this neighbor AP is transmitted AP sign and made this AC determine whether to allow an AP related according to AP sign to the access controller AC related with this neighbor AP;
B1, when an AP receive described neighbor AP transmit come from the related indication of permission of AC the time, set up wireless access point control and supply CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC; When an AP receives the related indication of refusal that described neighbor AP sends, go to next neighbor AP, return steps A 1.
2. the method for claim 1 is characterized in that, steps A 1 a described AP selects after the neighbor AP in neighbor AP successively, further comprised before the neighbor AP of selecting reports AP sign:
The one AP and this neighbor AP are set up temporary link;
The described AP of step B1 receives after the related indication of refusal that described neighbor AP sends, further comprise before going to next neighbor AP:
Temporary link between the one AP release and described neighbor AP.
3. method as claimed in claim 1 or 2 is characterized in that, a described AP is designated: an AP sequence number.
4. method as claimed in claim 1 or 2 is characterized in that, steps A 1 a described AP reports AP sign to comprise to the neighbor AP of selecting:
The one AP is carried at the neighbor AP that sends to selection in two layers of request message with AP sign, and the type field value in two layers of request message is preset value, serves as that can request informs the message related with AC to represent this message.
5. one kind is disposed acquisition methods, it is characterized in that this method comprises:
A2, the neighbor AP that is in an AP of zero configuration state receive the AP sign that an AP sends, and AP sign is transmitted to the AC related with this neighbor AP, so that this AC determines whether to allow an AP association according to AP sign;
B2, neighbor AP receive related indication of permission or the related indication of refusal that AC returns, should allow the related indication of related indication or refusal to be transmitted to an AP, so that an AP is according to allowing related indication to set up the CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC, perhaps, related indication goes to next neighbor AP according to refusal.
6. method as claimed in claim 5 is characterized in that, steps A 2 described neighbor AP receive after the AP sign that an AP sends, further comprise before AP sign is transmitted to the AC related with this neighbor AP:
This neighbor AP judges whether self is related with an AC, if carry out the described action that AP sign is transmitted to the AC related with this neighbor AP; Otherwise, directly return the related indication of refusal to an AP.
7. as claim 5 or 6 described methods, it is characterized in that steps A 2 described neighbor AP are transmitted to the AC related with this neighbor AP with AP sign and comprise:
Neighbor AP is carried at AP sign in the CAPWAP message and sends to AC, and the type field value in the CAPWAP message is preset value, serves as that can request informs the message related with AC to represent this message.
8. zero configuration access point AP is characterized in that this AP comprises:
First module, by the scanning discovery neighbor AP, in neighbor AP, select a neighbor AP successively, report AP sign to the neighbor AP of selecting, so that this neighbor AP is transmitted AP sign and made this AC determine whether to allow an AP related according to AP sign to the access controller AC related with this neighbor AP;
Second module when receiving that described neighbor AP is transmitted next related indication of the permission from AC, is set up the CAPWAP passage with described AC, obtains self configuration by this CAPWAP passage from described AC; When receiving the related indication of refusal that described neighbor AP is sent, go to next neighbor AP.
9. zero configuration AP as claimed in claim 8 is characterized in that, described first module is further used for, and after selecting a neighbor AP successively, sets up temporary link with this neighbor AP;
And after receiving the related indication of refusal that described neighbor AP is sent, the temporary link between release and described neighbor AP.
10. a neighbor AP is characterized in that, this neighbor AP comprises:
First module receives the AP sign that the AP be in the zero configuration state sends, and AP sign is transmitted to the AC related with this AP, so that this AC determines whether to allow an AP association according to AP sign;
Second module, receive related indication of permission or the related indication of refusal that AC returns, should allow the related indication of related indication or refusal to be transmitted to an AP, so that an AP is according to allowing related indication to set up the CAPWAP passage with described AC, obtain self configuration by this CAPWAP passage from described AC, perhaps related indication goes to next neighbor AP according to refusal.
11. neighbor AP as claimed in claim 10 is characterized in that, described first module is further used for, and receives after the AP sign that an AP sends, and judges whether this AP is related with an AC, if AP sign is transmitted to the AC related with this AP; Otherwise, directly return the related indication of refusal to an AP.
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