CN109088959A - A kind of address distribution method, apparatus and system - Google Patents
A kind of address distribution method, apparatus and system Download PDFInfo
- Publication number
- CN109088959A CN109088959A CN201811305233.7A CN201811305233A CN109088959A CN 109088959 A CN109088959 A CN 109088959A CN 201811305233 A CN201811305233 A CN 201811305233A CN 109088959 A CN109088959 A CN 109088959A
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- Prior art keywords
- address
- terminal
- distribution
- roaming
- sent
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
Abstract
A kind of address distribution method provided by the invention, apparatus and system, when the AP is after wireless controller AC success is online, receive the AC and send be the AP distribution IP address section and DHCP parameter；It is Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself；It obtains the association request that online terminal is sent and reports to the AC；Allow to access message according to what the AC was sent, for the terminal distribution IP address or notify the terminal using its roam before IP address to solve when more there are AP quantity or when great amount of terminals concurrently accesses causes AC performance bottleneck occur, terminal may distribute less than IP address the problem of to can not normally access network, by AP as Dynamic Host Configuration Protocol server and terminal carry out DHCP protocol message interaction reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, it significantly reduces the operation burden of AP and AC while not needing newly added equipment and carry out Measuring error or redeploy network, save the cost.
Description
Technical field
The invention belongs to data communication technology field more particularly to a kind of address distribution methods, apparatus and system
Background technique
In Wireless LAN (Wireless Local Area Networks, abbreviation WLAN), needed when terminal accesses
It to be obtained automatically by dynamic host configuration protocol (Dynamic Host Configuration Protocol, abbreviation DHCP)
It just can be carried out network access after IP address.It is wireless controller (Wireless Access Point that prior wireless network, which is applied,
Controller, abbreviation AC)+wireless access point (Access Point, abbreviation AP) networking model, AC is for collecting AP
Middle control, AP are used to provide wireless data transmission business for access terminal, are as shown in Figure 1 existing wireless network applied topology
Figure, in the wireless network, IP address pond is typically configured on AC, and the IP address distribution concentrated is done by AC, and each terminal passes through
AP is linked into wireless network, and AC itself carries out DHCP protocol message interaction by AP and terminal as Dynamic Host Configuration Protocol server to be
It distributes IP address.But when in wireless network there are AP quantity is more or when having great amount of terminals concurrently to access, each AP points
The DHCP protocol message and then report to AC that a large amount of different terminals are sent are not received, focus on by AC and then be led to respectively
It crosses each AP and the IP address of distribution is issued to different terminals, when due to IP address distribution, the interaction of DHCP protocol message needs
It could repeatedly complete, so, not only increase the operation burden of AP while will also result in AC overwork causes AC to go out
Existing performance bottleneck, part terminal may distribute less than IP address thus terminal can not normally access network, need staff new
It adds standby progress Measuring error or redeploys network, cause service disconnection.
Summary of the invention
The present invention provides a kind of address distribution methods, apparatus and system to work as nothing to solve in prior wireless network
More or when having great amount of terminals concurrently to access there are AP quantity in gauze network, existing IP address allocation plan leads to AC appearance property
The problem of energy bottleneck, part terminal, which may be distributed, can not normally access network less than IP address, cause service disconnection.
In a first aspect, being applied to wireless access point AP, the AP the embodiment of the invention provides a kind of address distribution method
It is online in wireless controller AC success, which comprises
Receive the IP address section and DHCP parameter that the AC transmission is the AP distribution；
It is Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself；
It obtains the association request that online terminal is sent and reports to the AC；
Allow to access message according to what the AC was sent, for the terminal distribution IP address or the terminal is notified to use
IP address before it is roamed.
Further, described to allow to access message according to what the AC was sent, for the terminal distribution IP address or lead to
Know that the terminal roams preceding IP address using it, includes:
The AP allows to access message and determines headed by the association request after secondary association request according to described, is the terminal
IP address is distributed in the IP address section.
Further, described to allow to access the MAC Address that message includes the terminal, allow to connect according to described in the AP
Enter message to determine headed by the association request after secondary association request, for the terminal distributed in the IP address section IP address it
Afterwards, further includes: record the IP address of distribution and the MAC Address of the terminal and be reported to the AC.
Further, the IP address before allowing to access the MAC Address and the terminal roaming that message includes the terminal,
It is described to allow to access message according to what the AC was sent, for the terminal distribution IP address or notify that the terminal is unrestrained using it
Preceding IP address is swum, includes:
The AP allows access message to determine that the association request is creation roaming terminal after reassociation requests according to described
Address assignment record table notifies the terminal to roam preceding IP address using it.
Address distribution method provided in an embodiment of the present invention, be applied to AP in, by AP as Dynamic Host Configuration Protocol server with it is associated
Terminal carry out DHCP protocol message interaction, reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, greatly
Alleviate the operation burden of AP and AC greatly while not needing newly added equipment and carry out Measuring error or redeploy network, saving at
This.
Second aspect, the embodiment of the invention provides another address distribution methods, are applied to wireless controller AC, described
Method includes:
It is the idle IP address of AP distribution according to the IP address pond of configuration after wireless access point AP success is online
Section；
The IP address section and DHCP parameter distributed for the AP are sent to the AP；The DHCP parameter is used to indicate institute
It states AP and configures Dynamic Host Configuration Protocol server for itself；
It receives after the association request that the AP online terminal is sent, allows to access message to AP transmission；
Wherein, described to allow to access message for referring to when secondary association is requested headed by the association request that the terminal is sent
Show that the AP is the terminal distribution IP address；When the association request that the terminal is sent is reassociation requests, the permission
Access message is used to indicate the AP and the terminal is notified to roam preceding IP address using it.
Further, when the association request that the terminal is sent is reassociation requests, permit in described sent to the AP
Perhaps it accesses after message, the method also includes:
Associated AP sends roaming notification packet before to the terminal roaming, so that associated AP will be described before the roaming
IP address is marked and locks before roaming, and the roaming notification packet includes IP address and the terminal before the roaming
MAC Address.
Address distribution method provided in an embodiment of the present invention is applied in AC, is successfully online AP allocation space by AC
IP address section and DHCP parameter, so that each AP be made to carry out DHCP protocol report as distributed DHCP server and associated terminal
Text interaction, reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, significantly reduce the fortune of AP and AC
Row, which bears while not needing newly added equipment, to carry out Measuring error or redeploys network, save the cost.
The third aspect, the embodiment of the invention provides a kind of wireless access point AP, the AP is in wireless controller AC success
It is online, comprising:
Receiving module, for receiving the IP address section and DHCP parameter that the AC transmission is the AP distribution；
Configuration module, for being Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself；
Module is obtained, for obtaining the association request of online terminal transmission and reporting to the AC；
Processing module allows to access message, for the terminal distribution IP address or lead to for what is sent according to the AC
Know that the terminal roams preceding IP address using it.
Further, the processing module is specifically used for: allowing access message to determine that the association request is according to described
For the first time after association request, IP address is distributed in the IP address section for the terminal.
Further, described to allow to access the MAC Address that message includes the terminal, the processing module is also used to: note
It records the IP address of distribution and the MAC Address of the terminal and is reported to the AC.
Further, the IP before allowing to access the MAC Address and the terminal roaming that message includes the terminal
Location, the processing module are specifically used for: allowing access message to determine that the association request is wound after reassociation requests according to described
Roaming terminal address assignment record table is built, the terminal is notified to roam preceding IP address using it.
AP provided in an embodiment of the present invention carries out DHCP protocol message interaction as Dynamic Host Configuration Protocol server and associated terminal, subtracts
Lacked AC by AP receive come a large amount of DHCP protocol message of self terminal, significantly reduce the operation burden of AP and AC simultaneously
Newly added equipment is not needed to carry out Measuring error or redeploy network, save the cost.
Fourth aspect, the embodiment of the invention also provides a kind of wireless control AC, comprising:
Distribution module, for being AP distribution according to the IP address pond of configuration after wireless access point AP success is online
Idle IP address section；
Sending module, for the IP address section for being the AP distribution and DHCP parameter to be sent to the AP；The DHCP
Parameter is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself；
The sending module is also used to receive after the association request that the AP online terminal is sent, to the AP
Transmission allows to access message；Wherein, described to allow to access report when secondary association is requested headed by the association request that the terminal is sent
It is the terminal distribution IP address that text, which is used to indicate the AP,；When the association request that the terminal is sent is reassociation requests,
It is described that access message is allowed to be used to indicate IP address before the AP notifies the terminal that it is used to roam.
Further, the sending module is also used to when the association request that the terminal is sent is reassociation requests,
It is described allow to access message to AP transmission after, to the terminal roaming before associated AP send roaming notification packet, with
IP address before the roaming is marked and is locked by associated AP before toilet states roaming, and the roaming notification packet includes described
The MAC Address of IP address and the terminal before roaming.
AC provided in an embodiment of the present invention, for the IP address section and DHCP parameter of the online AP allocation space of success, thus
So that each AP is carried out DHCP protocol message interaction as distributed DHCP server and associated terminal, reduces AC and received by AP
To carry out a large amount of DHCP protocol message of self terminal, significantly reduce AP and AC operation burden and meanwhile do not need newly added equipment into
Row Measuring error redeploys network, save the cost.
5th aspect, the embodiment of the invention also provides a kind of address allocation systems, including the nothing as described in fourth aspect
Lane controller AC and at least one wireless access point AP as described in the third aspect.
Address allocation system provided in an embodiment of the present invention, when the AP wireless controller AC success it is online after, receive
The AC transmission is the IP address section and DHCP parameter of the AP distribution；Matched according to the IP address section and the DHCP parameter
Itself is set as Dynamic Host Configuration Protocol server；It obtains the association request that online terminal is sent and reports to the AC；It is sent according to the AC
Allow access message, for the terminal distribution IP address or notify the terminal using its roam before IP address to solve
When more there are AP quantity or when great amount of terminals concurrently accesses causes AC performance bottleneck occur, terminal may be distributed less than IP
The problem of location is to can not normally access network carries out the reduction of DHCP protocol message interaction as Dynamic Host Configuration Protocol server and terminal by AP
AC by AP receive come self terminal a large amount of DHCP protocol message, significantly reduce the operation burden of AP and AC while not
It needs newly added equipment to carry out Measuring error or redeploys network, save the cost.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the application
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is DHCP wireless network applied topology figure in the prior art；
Fig. 2 is a kind of flow chart of address distribution method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another address distribution method provided in an embodiment of the present invention；
Fig. 4 is a kind of wireless access point AP configuration diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of wireless controller AC configuration diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that in embodiments of the present invention, can have one, two or more AP, they are led to AC
Letter, each AP function having the same and role can be interchanged during interaction, AC is a kind of network equipment, for concentrating
Change management control AP, be the core of a wireless network, all AP being responsible in management wireless network operate packet to the management of AP
It includes: issuing configuration, modification relevant configured parameter, radio-frequency intelligent management, access security control etc., be not particularly limited here.
In addition, terminal in embodiments of the present invention is that user wants to access internet or other network services using it
Equipment and can be computer, laptop computer, personal digital assistant (PDA), dual-mode intelligent phone, iPod,
IPad, tablet computer, mobile phone have input, output, display and storage and can be with internet and/or other users
Any other processing equipment of communication or interaction may include print capacity or can not include print capacity.Here it does not do
It is specific to limit.
As shown in Fig. 2, being applied to wireless access point AP the embodiment of the invention provides a kind of address distribution method flow chart
And the AP is online in wireless controller AC success, this method comprises:
Step 201 receives IP address section and DHCP parameter that the AC transmission is the AP distribution.
Wherein, the DHCP parameter includes: domain name system DNS (English name: Domain Name System), lease duration
With the configuration parameters such as gateway.
This step is illustrated in conjunction with Fig. 1, as shown in Fig. 2, in the wireless local area network, AP is online in AC success,
In, AP receives the IP address section and DHCP parameter that AC is sent, which is that AC is the free time that AP is distributed in address pool
IP address section, the IP address section do not surpass it includes several several purpose IP address as long as specific number is not especially limited here
The IP address pond range of AC out.It and is that AC records the IP address section and the AP after the AP distributes IP address section in AC
MAC Address, IP address section will not occur to guarantee AC when distributing IP address section for other online AP and be overlapped, avoid
The problems such as causing IP address conflict.
In addition, at this moment AC will recycle the IP address for being already allocated to the AP if the AP is offline for a long time or automatic offline
Section gives other online AP, AC itself that can also retain the IP address of certain surplus not so as to the subsequent IP address section is reallocated
It must be fully allocated to online all AP.
Step 202 according to the IP address section and the DHCP parameter configuration itself is Dynamic Host Configuration Protocol server.
In conjunction with step 201, AP configures itself to according to the IP address section and DHCP parameter that receive in this step
Dynamic Host Configuration Protocol server.DHCP parameter includes the configuration parameters such as DNS, lease duration and gateway.
Step 203, the association request for obtaining terminal transmission simultaneously report to the AC.
In this step, AP gets the association request of terminal transmission, requests to allow to access network for its distribution IP address.
Wherein, which it is first in the network to can be association request for the first time i.e. terminal that terminal is sent to the AP
The access request of secondary online transmission is also possible to exist again to reassociation requests i.e. terminal that the AP is sent again after terminal roaming
The access request of online transmission in the network, the AP are reported to AC after receiving the association request that terminal is sent.
Wherein, the mode of the roaming associated AP that includes the terminal before roaming, which is roamed through, carrys out or carried out with the AP head
Secondary association and to roam back to the AP again i.e. online in the AP again by associated AP after roaming, terminal is closed before carrying roaming at this time
The IP address that the AP of connection is distributed roams preceding IP address, wherein each AP function having the same online in AC, it is each
Associated AP its role can be interchanged here after AP both can be used as associated AP before roaming in interaction and can also be used as roaming
It is not specifically limited.
Step 204 allows to access message according to what the AC was sent, is described in the terminal distribution IP address or notice
Terminal roams preceding IP address using it.
In conjunction with step 203, in this step, if the association request that AC is received is the association request for the first time of terminal,
Wireless controller is sent after by the identity information of the terminal (such as MAC Address) matching legal terminal record list item to the AP
Allow the terminal access for the first time network allow access message, wherein this allow access message include the terminal MAC Address,
The AP, which receives this, to be allowed to access after message as Dynamic Host Configuration Protocol server and terminal progress DHCP protocol message interaction, thus at this
It is the terminal distribution IP address in the IP address section that AP has been assigned to, further, after the AP is the terminal distribution IP address
The MAC Address of the IP address He the terminal can also be recorded, illustratively, which, which receives this, allows to access after message and be somebody's turn to do
The process of terminal progress DHCP protocol message interaction are as follows: the terminal is by association request for the first time to the AP as Dynamic Host Configuration Protocol server
Send DHCP find (DHCP Discovery) message, the AP receive the DHCP discovery message after in assigned IP address
An available IP address is searched in section is configured to a DHCP plus configuration parameters such as corresponding DNS, lease duration and gateways
Response (DHCP Offer) message is sent to the terminal, which responds after receiving dhcp response (DHCP Offer) message
For one DHCP request (DHCP Request) message to obtain the IP address, which receives the DHCP request (DHCP
Request) sent after message DHCP confirmation (DHCP ACK) message so as to the terminal carry out confirmation using the IP address from
And network access is carried out, meanwhile, which can also record allocated IP address and the MAC Address guarantee of the terminal is subsequent not
The IP address can be distributed into other terminals for accessing the AP again, and will be on the MAC Address of allocated IP address and the terminal
Offer AC.
Further, if the association request that receives of AC is the reassociation requests of terminal, show the terminal may be from
Associated AP, which is roamed through, before roaming comes or be associated with for the first time with the AP and associated AP is roamed back to again after roaming
The AP be it is online in the AP again, then to the AP send allow the terminal access again network allow access message, wherein should
Allow to access the MAC Address and IP address before the terminal roaming that message includes the terminal, illustratively, if the terminal is from unrestrained
It is online to roam into the AP by associated AP before swimming, at this point, the AP, which will create roaming terminal address assignment record table, records the terminal
It is unrestrained to notify that the terminal can continue to use for the MAC Address of IP address and the terminal before roaming roaming entrained by preceding associated AP
IP address before swimming, wherein IP address includes in the IP address section that AC is the preceding associated AP distribution of roaming before the roaming；If should
Reassociation requests are that the terminal carried out associated AP after being associated with and roam for the first time with the AP and roams into the AP again i.e. again
Online in the AP, then IP address is IP address that the AP is the terminal distribution before the terminal roaming, at this point, the AP is according to having distributed
Label and the locking and with restoring the IP to the IP address that the AP is the terminal distribution are released to the record of the IP address of terminal
The lease duration of location makes the terminal still can continue network access before the deadline, further, be associated with after the roaming
AP can delete the roaming terminal address assignment record table created when associated AP after the terminal roaming to the roaming.
A kind of address distribution method provided in an embodiment of the present invention is applied to wireless access point AP, when the AP is wireless
After controller AC success is online, the IP address section and DHCP parameter that the AC transmission is the AP distribution are received；According to described
IP address section and the DHCP parameter configuration itself are Dynamic Host Configuration Protocol server；It obtains the association request that online terminal is sent and reports
To the AC；Allow to access message according to what the AC was sent, for the terminal distribution IP address or the terminal is notified to make
IP address is to solve when more there are AP quantity or when great amount of terminals concurrently accesses causes AC performance occur before being roamed with it
The problem of bottleneck, terminal may be distributed less than IP address to can not normally access network, by AP as Dynamic Host Configuration Protocol server and end
End carry out DHCP protocol message interaction reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, subtract significantly
The operation burden of light AP and AC does not need newly added equipment progress Measuring error simultaneously or redeploys network, save the cost.
Shown in Fig. 3, the embodiment of the invention provides another address distribution method flow charts, are applied to wireless controller
AC, this method comprises:
Step 301, after wireless access point AP success is online, be that AP distribution is idle according to the IP address pond of configuration
IP address section.
Wherein, the DHCP parameter includes: domain name system DNS (English name: Domain Name System), lease duration
With the configuration parameters such as gateway.
This step is illustrated in conjunction with Fig. 1, as shown in figure 3, each AP has identical in Wireless LAN WLAN
Function, its role can be interchanged during interactively with each other, and AP is online in AC success, wherein the AC is according to the IP of configuration
Address pool is that AP distributes IP address section and DHCP parameter, the IP address section include several several specific numbers of purpose IP address here
As long as be not especially limited the IP address pond range without departing from the AC can and the AC be AP distribute IP address section after the AC
The MAC Address of the IP address section and the AP are recorded to guarantee that AC will not be sent out when distributing IP address section for other online AP
Raw IP address section is overlapped, and avoids the problems such as causing IP address conflict.
In addition, if the AP is offline for a long time or automatic offline, at this moment the AC be with will recycling the IP for being already allocated to the AP
Location section gives other online AP so as to the subsequent IP address section is reallocated, and the AC itself can also retain the IP address of certain surplus
It need not be fully allocated to online all AP.
The IP address section and DHCP parameter distributed for the AP are sent to the AP by step 302.
Wherein, the DHCP parameter is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself.
In conjunction with step 301, the IP address section distributed for the AP and DHCP parameter are sent to the AP by the AC in this step
So that the AP is Dynamic Host Configuration Protocol server according to the IP address section and DHCP parameter configuration itself.
Step 303 receives after the association request that the AP online terminal is sent, and allows to access to AP transmission
Message.
Wherein, when secondary association is requested headed by the association request that the terminal is sent, by the identity information of the terminal
After (such as MAC Address) matches legal terminal record list item, allow to access message to AP transmission, it is described that access message is allowed to use
In indicating that the AP is the terminal distribution IP address；It is described when the association request that the terminal is sent is reassociation requests
Allow to access message and is used to indicate IP address before the AP notifies the terminal that it is used to roam.
In conjunction with step 302, in this step if the association request that the AC is received is the association request for the first time of terminal,
To the AP send allow the terminal access for the first time network allow access message, the AP receive this allow access message after conduct
Dynamic Host Configuration Protocol server and the terminal carry out DHCP protocol message interaction to be the terminal in the IP address section that the AP has been assigned to
Distribute IP address；If the association request that AC is received is the reassociation requests of terminal, show that the terminal may be before roaming
Associated AP, which is roamed through, to come or be associated with for the first time with the AP and associated AP roams back to the AP i.e. again after roaming
Online in the AP again, then the message that allows to access that sending to the AP allows the terminal to access network again indicates that AP notice should
Terminal roams preceding IP address using it, and implementation step is referred in Fig. 2 step described in step 201 to step 204, has
Body step does not remake here to be repeated.
Further, when the association request that the terminal is sent is reassociation requests, AC is sent out to associated AP after roaming
Sending allows to access after message, and roaming notification packet, roaming notice report can also be sent to associated AP before the terminal roaming
Text includes the MAC Address of IP address and the terminal before the roaming so that associated AP carries out IP address before the roaming before the roaming
Subsequent IP address before the roaming will not be reallocated of associated AP accesses the roaming to other before marking and locking the guarantee roaming
The terminal of preceding associated AP, and it is also ensured that the terminal can continue to use IP before roaming in the AP being linked into after roaming
Address avoids the terminal from being assigned to different IP address in turning again to the network, and IP address is caused to obscure and the wave of resource
Take.
Another kind address distribution method provided in an embodiment of the present invention, is applied to wireless controller AC, in wireless access point
After AP success is online, the IP address pond according to configuration is that the AP distributes idle IP address section by the IP distributed for the AP
Location section and DHCP parameter are sent to the AP；The DHCP parameter is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself；
It receives after the association request that the AP online terminal is sent, allowing to access described in message to AP transmission allows to access
Message be used to indicate the AP be the terminal distribution IP address or notify the terminal using its roam before IP address to
Solve when there are AP quantity is more or when great amount of terminals concurrently accesses causes AC performance bottleneck occur, terminal may distribute less than
The problem of IP address is to can not normally access network carries out DHCP protocol message interaction as Dynamic Host Configuration Protocol server and terminal by AP
Reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, the operation burden for significantly reducing AP and AC is same
When do not need newly added equipment and carry out Measuring error or redeploy network, save the cost.
As shown in figure 4, being somebody's turn to do (AP) the embodiment of the invention also provides a kind of configuration diagram of wireless access point (AP) 40
40 is online in wireless controller AC success, comprising:
Receiving module, 41, for receiving the IP address section and DHCP parameter that the AC transmission is the AP distribution.
Wherein, the DHCP parameter includes: the configuration parameters such as DNS, lease duration and gateway.
Receiving module 41 receives the IP address section and DHCP parameter that AC is sent, which is the IP that AC is AP distribution
It includes several several purpose IP address for address field, as long as specific number is not especially limited the IP address pond without departing from AC here
Range can and be that AC records the MAC Address of the IP address section and the AP to guarantee after the AP distributes IP address section in AC
The problems such as IP address section that online each AP is assigned to does not coincide, IP address conflict will not occur.
In addition, if the offline for a long time or automatic offline AC of the AP will recycle be already allocated to the IP address section of the AP so as to
It is subsequent the IP address section to be reallocated to other new online AP and its AC itself retain the IP address of certain surplus not
It must be fully allocated to online all AP.
Configuration module 42, for being Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself.
The IP address section and DHCP parameter that configuration module 42 is used to be received according to receiving module 41 configure the AP itself
For Dynamic Host Configuration Protocol server.
Module 43 is obtained, for obtaining the association request of terminal transmission and reporting to the AC.
Wherein, which can be association request for the first time i.e. terminal that terminal is sent to AP in the network for the first time
The access request of online transmission, the reassociation requests i.e. terminal for being also possible to send to AP again after terminal roaming is again in the net
The access request of online transmission in network, AP are reported to AC after receiving the association request.
Wherein, the mode of the roaming associated AP that includes the terminal before roaming, which is roamed through, carrys out or carried out with the AP head
Secondary association and to roam back to the AP again i.e. online in the AP again by associated AP after roaming, terminal is closed before carrying roaming at this time
The AP of connection is that the IP address of its distribution is IP address before roaming, wherein associated AP and AP tool associated after roaming before roaming
There is identical function, associated AP can be used as associated AP its role before roaming and can be interchanged after roaming does not do specific limit here
It is fixed.
Processing module 44, for according to the AC send allow access message, be the terminal distribution IP address or
The terminal is notified to roam preceding IP address using it.
What processing module 44 was used to be sent according to AC allows to access the determining association request for obtaining module 43 and getting of message
Headed by secondary association request after, for the terminal AC be the AP distribution IP address section in distribute IP address, wherein this allows to access
MAC Address including the terminal, further, the processing module 44 are also used to record the MAC Address of the IP address He the terminal.
In addition, the message that allows to access that the processing module 44 is also used to be sent according to AC determines what acquisition module 43 was got
Association request be reassociation requests after, if the terminal from roam before associated AP roam into the AP if create roaming terminal address
The MAC Address of IP address and the terminal notifies the terminal to continue to use before assignment record table records the roaming that terminal carries at this time
IP address before it is roamed；If the terminal is be associated with for the first time with the AP and associated AP roams back to this again after roaming
AP, then IP address is IP address that the AP has distributed to the terminal before the terminal roaming, at this point, the AP is according to having distributed to this
The record of IP address of terminal release to the AP distributed to the terminal IP address label and locking and restore the IP address
Lease duration allow the terminal to continue network access before the deadline, further, after roaming associated AP is also
Created roaming terminal address assignment record table can be deleted.
A kind of wireless access point AP provided in an embodiment of the present invention, when the AP wireless controller AC success it is online after,
Receiving module 41 receives the IP address section and DHCP parameter that the AC transmission is the AP distribution；Configuration module 42 is according to described
IP address section and the DHCP parameter configuration itself are Dynamic Host Configuration Protocol server；It obtains module 43 and obtains the association that online terminal is sent
It requests and reports to the AC；Processing module 44 allows to access message according to what the AC was sent, for the terminal distribution IP
Location notifies the terminal to roam preceding IP address to solve when more there are AP quantity or great amount of terminals is concurrent using it
AC is caused the problem of performance bottleneck, terminal may be distributed less than IP address to can not normally access network occur when access, by
AP as Dynamic Host Configuration Protocol server and terminal carry out DHCP protocol message interaction reduce AC received by AP it is a large amount of come self terminal
DHCP protocol message, significantly reduce the operation burden of AP and AC while not needing newly added equipment progress Measuring error or again
New on-premise network, save the cost.
As shown in figure 5, the embodiment of the invention also provides a kind of configuration diagrams of wireless controller (AC) 50, comprising:
Distribution module 51, for being the AP points according to the IP address pond of configuration after wireless access point AP success is online
With idle IP address section.
Distribution module 51 is the idle IP address section of AP distribution according to the IP address pond of configuration after AP success is online, should
It includes several several purpose IP address for IP address section, as long as specific number with being not especially limited the IP without departing from the AC here
Location pond range can and record the MAC Address of the IP address section and the AP after distributing IP address section for the AP to guarantee
The problems such as IP address section that online each AP is assigned to does not coincide, IP address conflict will not occur.
In addition, if the AP is offline for a long time or offline distribution module 51 can recycle the IP address section for being already allocated to AP automatically
So as to it is subsequent by the IP address section reallocate to other online AP and its own can also retain the IP address of certain surplus not
It must be fully allocated to online all AP.
Sending module 52, for the IP address section for being the AP distribution and DHCP parameter to be sent to the AP.
Wherein, the DHCP parameter is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself.
The IP address section distributed for the AP and DHCP parameter are sent to the AP so that the AP receives this by sending module 52
Dynamic Host Configuration Protocol server is configured by itself after IP address section and DHCP parameter.
Further, the sending module 52 is also used to receive after the association request that the AP online terminal is sent, to
AP transmission allows to access message；Wherein, when secondary association is requested headed by the association request that the terminal is sent, this, which allows to access, is reported
It is the terminal distribution IP address that text, which is used to indicate the AP,；When the association request that the terminal is sent is reassociation requests, the permission
Access message is used to indicate the AP and the terminal is notified to roam preceding IP address using it.
Further, the sending module 52, be also used to the terminal send association request be reassociation requests when, to
AP transmission allows to access after message, to the terminal roaming before associated AP send roaming notification packet, to roam preceding pass
IP address is marked and locks before the AP of connection will be roamed, wherein the roaming notification packet includes IP address and the end before roaming
The MAC Address at end.
A kind of wireless control AC that the embodiment of the present invention also provides, after wireless access point AP success is online, distribution module
51 according to the IP address section and DHCP that the IP address pond of configuration is that the idle IP address section of the AP distribution will be distributed for the AP
Parameter is sent to the AP；The DHCP parameter is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself；It receives in institute
After stating the association request that the online terminal of AP is sent, sending module 52 allows to access described in message and allows to access to AP transmission
Message be used to indicate the AP be the terminal distribution IP address or notify the terminal using its roam before IP address to
Solve when there are AP quantity is more or when great amount of terminals concurrently accesses causes AC performance bottleneck occur, terminal may distribute less than
The problem of IP address is to can not normally access network carries out DHCP protocol message interaction as Dynamic Host Configuration Protocol server and terminal by AP
Reduce AC by AP receive come a large amount of DHCP protocol message of self terminal, the operation burden for significantly reducing AP and AC is same
When do not need newly added equipment and carry out Measuring error or redeploy network, save the cost.
The embodiment of the invention also provides a kind of address allocation systems, including wireless controller AC as described in Figure 5 and extremely
A few wireless access point AP as described in Figure 4.
In addition, such as the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, from
And to include the process, method, article or equipments of a series of elements not only to include those elements, but also including not bright
The other element really listed, or further include for elements inherent to such a process, method, article, or device, it is disclosed
System, device and method may be implemented in other ways.For example, apparatus embodiments described above are only to show
Meaning property, for example, the division of the module, only a kind of logical function partition can have other division in actual implementation
Mode, such as multiple module or components can be combined or can be integrated into another system, or some features can be ignored, or
It does not execute.
In addition, wireless access point AP provided in the embodiment of the present invention and wireless controller AC, realization principle and
The technical effect of generation corresponded to respectively with preceding method embodiment it is identical, for briefly describe, product embodiments part does not refer to it
Place, can refer to corresponding contents in preceding method embodiment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (13)
1. a kind of address distribution method is applied to wireless access point AP, which is characterized in that the AP is in wireless controller AC success
It is online, which comprises
Receive the IP address section and DHCP parameter that the AC transmission is the AP distribution；
It is Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself；
It obtains the association request that online terminal is sent and reports to the AC；
Allow to access message according to what the AC was sent, for the terminal distribution IP address or notifies that the terminal is unrestrained using it
IP address before swimming.
2. address distribution method as described in claim 1, which is characterized in that described to allow to access report according to what the AC was sent
Text for the terminal distribution IP address or notifies the terminal to roam preceding IP address using it, comprising:
The AP allows to access message and determines headed by the association request after secondary association request according to described, is the terminal in institute
It states and distributes IP address in IP address section.
3. address distribution method in WLAN as claimed in claim 2, which is characterized in that described to allow to access message packet
The MAC Address for including the terminal, the AP according to it is described allow access message determine the association request headed by secondary association ask
After asking, distributed after IP address in the IP address section for the terminal, further includes: record distribution IP address and the end
The MAC Address at end is simultaneously reported to the AC.
4. address distribution method as described in claim 1, which is characterized in that described that access message is allowed to include the terminal
IP address before MAC Address and the terminal roaming, it is described to allow to access message according to what the AC was sent, it is the terminal distribution
IP address notifies the terminal to roam preceding IP address using it, includes:
The AP allows access message to determine that the association request is creation roaming terminal address after reassociation requests according to described
Assignment record table notifies the terminal to roam preceding IP address using it.
5. a kind of address distribution method is applied to wireless controller AC, which is characterized in that the described method includes:
It is the idle IP address section of AP distribution according to the IP address pond of configuration after wireless access point AP success is online；
The IP address section and DHCP parameter distributed for the AP are sent to the AP；The DHCP parameter is used to indicate the AP
Dynamic Host Configuration Protocol server is configured by itself；
It receives after the association request that the AP online terminal is sent, allows to access message to AP transmission；
Wherein, described that access message is allowed to be used to indicate institute when secondary association is requested headed by the association request that the terminal is sent
Stating AP is the terminal distribution IP address；It is described to allow to access when the association request that the terminal is sent is reassociation requests
Message is used to indicate the AP and the terminal is notified to roam preceding IP address using it.
6. AC as claimed in claim 5, which is characterized in that when the association request that the terminal is sent is reassociation requests,
It is described to the AP transmission allow access message after, the method also includes:
Associated AP sends roaming notification packet before to the terminal roaming, so as to before the roaming associated AP by the roaming
Preceding IP address is marked and locks, and the roaming notification packet includes the MAC of IP address and the terminal before the roaming
Location.
7. a kind of wireless access point AP, which is characterized in that the AP is online in wireless controller AC success, comprising:
Receiving module, for receiving the IP address section and DHCP parameter that the AC transmission is the AP distribution；
Configuration module, for being Dynamic Host Configuration Protocol server according to the IP address section and the DHCP parameter configuration itself；
Module is obtained, for obtaining the association request of online terminal transmission and reporting to the AC；
Processing module allows to access message for what is sent according to the AC, for the terminal distribution IP address or notice institute
It states terminal and roams preceding IP address using it.
8. AP as claimed in claim 7, which is characterized in that the processing module is specifically used for:
Allow to access message according to described and determine headed by the association request after secondary association request, be the terminal in the IP
IP address is distributed in the section of location.
9. AP as claimed in claim 8, which is characterized in that described to allow to access the MAC Address that message includes the terminal, institute
It states processing module to be also used to: recording the IP address of distribution and the MAC Address of the terminal and be reported to the AC.
10. AP as claimed in claim 7, which is characterized in that it is described allow access message include the terminal MAC Address and
IP address before the terminal roaming, the processing module are specifically used for:
Access message is allowed to determine that the association request is distribution note in creation roaming terminal address after reassociation requests according to described
Table is recorded, the terminal is notified to roam preceding IP address using it.
11. a kind of wireless control AC, which is characterized in that the AC includes:
Distribution module, for being that AP distribution is idle according to the IP address pond of configuration after wireless access point AP success is online
IP address section；
Sending module, for the IP address section for being the AP distribution and DHCP parameter to be sent to the AP；The DHCP parameter
It is used to indicate the AP and configures Dynamic Host Configuration Protocol server for itself；
The sending module is also used to receive after the association request that the AP online terminal is sent, sends to the AP
Allow to access message；Wherein, described to allow to access message use when secondary association is requested headed by the association request that the terminal is sent
In indicating that the AP is the terminal distribution IP address；It is described when the association request that the terminal is sent is reassociation requests
Allow to access message and is used to indicate IP address before the AP notifies the terminal that it is used to roam.
12. AC as claimed in claim 11, which is characterized in that the sending module is also used in the pass that the terminal is sent
Connection request be reassociation requests when, it is described to the AP transmission allow access message after, to the terminal roaming before be associated with
AP send roaming notification packet, so that IP address before the roaming is marked and is locked by associated AP before the roaming,
The roaming notification packet includes the MAC Address of IP address and the terminal before the roaming.
13. a kind of address allocation system, which is characterized in that including the wireless controller AC as described in claim 11 or 12 and extremely
Few one such as the described in any item wireless access point APs of claim 6-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811305233.7A CN109088959A (en) | 2018-11-07 | 2018-11-07 | A kind of address distribution method, apparatus and system |
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| CN201811305233.7A CN109088959A (en) | 2018-11-07 | 2018-11-07 | A kind of address distribution method, apparatus and system |
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Application publication date: 20181225 |