CN108650336A - IP address dynamic allocation method, device and storage medium, wireless relay apparatus - Google Patents
IP address dynamic allocation method, device and storage medium, wireless relay apparatus Download PDFInfo
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- CN108650336A CN108650336A CN201810335789.4A CN201810335789A CN108650336A CN 108650336 A CN108650336 A CN 108650336A CN 201810335789 A CN201810335789 A CN 201810335789A CN 108650336 A CN108650336 A CN 108650336A
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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
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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Abstract
The invention discloses a kind of IP address dynamic allocation method, the method is executed respectively by each wireless relay apparatus in LAN, including：Detect whether this wireless relay apparatus connect with front end wireless aps；When not connected, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide IP address and dynamically distributes service；When attached, it detects and whether there is Dynamic Host Configuration Protocol server in LAN；If being not present, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide IP address and dynamically distributes service；If in the presence of the Dynamic Host Configuration Protocol server of this wireless relay apparatus is closed, and already present Dynamic Host Configuration Protocol server obtains corresponding IP address from LAN.Correspondingly, the invention also discloses a kind of IP address to dynamically distribute device, computer storage media and wireless relay apparatus.Technical solution using the present invention can improve the ease for use of wireless relay apparatus, and effectively reduce the Network Abnormal generated by user's misconfiguration.
Description
Technical field
The present invention relates to a kind of radio network technique field more particularly to IP address dynamic allocation method, device and calculating
Machine storage medium, wireless relay apparatus.
Background technology
Wireless relay apparatus (Repeater) is the wireless device extended for wireless signal, both can be wireless with receiving front-end
The signal of AP can also be used as wireless aps and provide wireless network to its upper rear end equipment of connection, realizes the function of wireless relay.
If front end wireless aps, wireless relay apparatus, rear end equipment are in the same LAN, this relates to the equipment in LAN
IP address dynamically distribute the problem of.In most cases, front end wireless aps can open the Dynamic Host Configuration Protocol server of itself (for moving
State distributes the server of IP address) IP address is distributed to its upper equipment of connection, wireless relay apparatus is wireless not with front end
The Dynamic Host Configuration Protocol server of itself can be also opened in the case of AP connections, IP address distribution clothes are provided to connect its upper rear end equipment
Business, still, in the same LAN, only permission provides IP address there are one Dynamic Host Configuration Protocol server and dynamically distributes service, otherwise very
Network Abnormal may occur.
To solve the above-mentioned problems, wireless relay apparatus can configure at it and provide a Dynamic Host Configuration Protocol server switch on page,
It can be turned on or off Dynamic Host Configuration Protocol server with manual configuration, when wireless relay apparatus needs to connect offer with front end wireless aps wirelessly
It when relay services, needs manually to close DHCP service, to prevent in LAN while occur multiple Dynamic Host Configuration Protocol server, to suitable
The demand for answering IP address to dynamically distribute.
However, being widely used with wireless relay apparatus, requirement of the user for wireless relay apparatus ease for use is more next
Higher, the manual configuration method that the prior art provides increases the difficulty that user uses wireless relay apparatus；In addition, above-mentioned needs
The method for carrying out Dynamic Host Configuration Protocol server configuration manually requires user to have certain rudimentary knowledge to network configuration, otherwise may be because matching
It sets mistake and leads to Network Abnormal, for example, opening wireless relay apparatus when having Dynamic Host Configuration Protocol server and user in LAN
When Dynamic Host Configuration Protocol server, the IP address of the miscellaneous equipment in network can be caused to obtain abnormal and influence communication；When not having in LAN
When Dynamic Host Configuration Protocol server and user close the Dynamic Host Configuration Protocol server of wireless relay apparatus, it can cause the other equipment in network that can not obtain
It can not be communicated to IP address.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provide a kind of IP address dynamic allocation method, device and
Computer storage media, wireless relay apparatus, can improve the ease for use of wireless relay apparatus, and effectively reduce because user mismatches
The Network Abnormal set and generated.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of IP address dynamic allocation method, the sides
Method is executed respectively by each wireless relay apparatus in LAN, including：
Detect whether this wireless relay apparatus connect with front end wireless aps；
When this wireless relay apparatus and front end wireless aps are not connected, open the Dynamic Host Configuration Protocol server of this wireless relay apparatus with
IP address is provided and dynamically distributes service；
When this wireless relay apparatus is connect with front end wireless aps, detects and whether there is DHCP service in the LAN
Device；
If Dynamic Host Configuration Protocol server is not present in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide
IP address dynamically distributes service；
If there are Dynamic Host Configuration Protocol server in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is closed, and from institute
It states already present Dynamic Host Configuration Protocol server in LAN and obtains corresponding IP address.
Further, whether described this wireless relay apparatus of detection connect with front end wireless aps, specifically includes：
The interface provided from wireless driving by network testing mechanism obtains connection state information；
Judge whether this wireless relay apparatus connect with front end wireless aps according to the connection state information of acquisition.
Further, the method further includes：
When the Dynamic Host Configuration Protocol server for opening this wireless relay apparatus dynamically distributes service to provide IP address, by restarting this
The wireline equipment and wireless device that wireline interface and the wireless interface notice of wireless relay apparatus are connect with this wireless device are again
Obtain IP address.
Further, the Dynamic Host Configuration Protocol server of this wireless relay apparatus provides IP address by following steps and dynamically distributes clothes
Business：
When receiving the probe messages that any wireline equipment being connect with this wireless relay apparatus or wireless device are sent,
Corresponding detection, which is generated, according to IP address currently available in the Dynamic Host Configuration Protocol server of this wireless relay apparatus replys message；
By the detection reply message be sent to the wireline equipment or the wireless device so that the wireline equipment or
The wireless device replys the IP address described in message according to the detection received and returns to corresponding request message；
Generate corresponding request confirmation message according to the request message that receives, and be sent to the wireline equipment or
The wireless device.
Further, by following steps, the already present Dynamic Host Configuration Protocol server from the LAN obtains this wireless relay apparatus
Take corresponding IP address：
Probe messages are sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server is receiving
When to the probe messages, detected back accordingly according to IP address return currently available in the already present Dynamic Host Configuration Protocol server
Multiple message；
The IP address described in message, which is replied, according to the detection received generates corresponding request message；
The request message is sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server
Corresponding request confirmation message is returned according to the request message received；
Confirm that the IP address obtains successfully according to the request confirmation message received.
Further, the method further includes：
When Dynamic Host Configuration Protocol server is not present in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide IP
When address dynamically distributes service, continuation, which periodically detects, whether there is Dynamic Host Configuration Protocol server in the LAN.
In order to solve the above-mentioned technical problem, the embodiment of the present invention additionally provides a kind of IP address dynamic allocation device, described
In each wireless relay apparatus of device setting in a local network, including：
Network detection module, detects whether this wireless relay apparatus connect with front end wireless aps；
First execution module, for when this wireless relay apparatus is not connected with front end wireless aps, opening this wireless relay
The Dynamic Host Configuration Protocol server of equipment dynamically distributes service to provide IP address；
Dynamic Host Configuration Protocol server detecting module, for when this wireless relay apparatus is connect with front end wireless aps, detecting the office
It whether there is Dynamic Host Configuration Protocol server in the net of domain；
Second execution module opens this wireless relay apparatus if for Dynamic Host Configuration Protocol server to be not present in the LAN
Dynamic Host Configuration Protocol server with provide IP address dynamically distribute service；And
Third execution module closes this wireless relay apparatus if for there are Dynamic Host Configuration Protocol server in the LAN
Dynamic Host Configuration Protocol server, and already present Dynamic Host Configuration Protocol server obtains corresponding IP address from the LAN.
In order to solve the above-mentioned technical problem, the embodiment of the present invention additionally provides a kind of computer storage media, the calculating
Machine storage medium includes the computer program of storage；Wherein, the computer program controls the computer storage at runtime
Equipment where medium executes IP address dynamic allocation method described in any one of the above embodiments.
In order to solve the above-mentioned technical problem, the embodiment of the present invention additionally provides a kind of wireless relay apparatus, including processor,
Memory and it is stored in the memory and is configured as the computer program executed by the processor, the processor
IP address dynamic allocation method described in any one of the above embodiments is realized when executing the computer program.
Compared with prior art, an embodiment of the present invention provides a kind of IP address dynamic allocation method, device and computers
Storage medium, wireless relay apparatus open wireless relay apparatus when wireless relay apparatus and not connected front end wireless aps
Dynamic Host Configuration Protocol server dynamically distributes service to provide IP address；When wireless relay apparatus is connect with front end wireless aps, local is detected
Whether Dynamic Host Configuration Protocol server is had existed in net, if being not present, opens the Dynamic Host Configuration Protocol server of wireless relay apparatus with providing IP
Location dynamically distributes service, and if it exists, then IP address is obtained from already existing Dynamic Host Configuration Protocol server, so as to improve wireless relay
The ease for use of equipment, and effectively reduce the Network Abnormal generated by user's misconfiguration.
Description of the drawings
Fig. 1 is a kind of flow chart of a preferred embodiment of IP address dynamic allocation method provided by the invention；
Fig. 2 is that the Dynamic Host Configuration Protocol server of wireless relay apparatus provided by the invention provides one that IP address dynamically distributes service
The particular flow sheet of preferred embodiment；
Fig. 3 is that wireless relay apparatus provided by the invention already present Dynamic Host Configuration Protocol server from LAN obtains corresponding IP
The particular flow sheet of one preferred embodiment of address；
Fig. 4 is a kind of usage scenario figure of IP address dynamic allocation method provided by the invention；
Fig. 5 is the structure diagram for the preferred embodiment that a kind of IP address provided by the invention dynamically distributes device；
Fig. 6 is a kind of structure diagram of a preferred embodiment of wireless relay apparatus provided by the invention.
Specific implementation mode
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 describes, 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, those of ordinary skill in the art are obtained all without creative efforts
Other embodiment shall fall within the protection scope of the present invention.
It is shown in Figure 1, it is a kind of stream of a preferred embodiment of IP address dynamic allocation method provided by the invention
Cheng Tu, the method are executed respectively by each wireless relay apparatus in LAN, including step S11 to step S15：
Step S11, detect whether this wireless relay apparatus connect with front end wireless aps；
Step S12, when this wireless relay apparatus and not connected front end wireless aps, the DHCP of this wireless relay apparatus is opened
Server dynamically distributes service to provide IP address；
Step S13, it when this wireless relay apparatus is connect with front end wireless aps, detects and whether there is in the LAN
Dynamic Host Configuration Protocol server；
If Dynamic Host Configuration Protocol server is not present in step S14, the described LAN, the DHCP service of this wireless relay apparatus is opened
Device dynamically distributes service to provide IP address；
If there are Dynamic Host Configuration Protocol server in step S15, the described LAN, the DHCP service of this wireless relay apparatus is closed
Device, and already present Dynamic Host Configuration Protocol server obtains corresponding IP address from the LAN.
When the network connection state of this wireless relay apparatus changes, for example, there is new rear end equipment to be connected to this
In wireless relay apparatus, this wireless relay apparatus and front end wireless aps from connect become being not connected to or this wireless relay apparatus with
Front end wireless aps are then connected in this wireless relay apparatus, and IP address acquisition modes are configured from being not connected to become connecting
To obtain IP address automatically, rather than the equipment of static ip address needs to reacquire IP address, i.e., the DHCP clothes in LAN
Business device needs to provide IP address dynamic allocation service.
Specifically, the connection status between this wireless relay apparatus and front end wireless aps is detected, in detecting that this is wireless
When not connecting (or this wireless relay apparatus and front end wireless aps from connect become being not connected to) after equipment and front end wireless aps,
The equipment that this wireless relay apparatus opens the Dynamic Host Configuration Protocol server of itself to be connect with this wireless relay apparatus provides IP address dynamic
Distribution service；When detecting that this wireless relay apparatus is connect with front end wireless aps, needs to detect and whether deposited in LAN
In Dynamic Host Configuration Protocol server, if Dynamic Host Configuration Protocol server is not present in LAN, this wireless relay apparatus opens the DHCP service of itself
Device provides IP address dynamic allocation service for the equipment being connect with this wireless relay apparatus；If having existed DHCP in LAN
Server, then this wireless relay apparatus closes the Dynamic Host Configuration Protocol server of itself, and is reacquired from already existing Dynamic Host Configuration Protocol server
The IP address of itself provides IP address by already existing Dynamic Host Configuration Protocol server and dynamically distributes service, set with this wireless relay
The equipment of standby connection similarly reacquires corresponding IP address from already existing Dynamic Host Configuration Protocol server.
It should be noted that the IP address acquisition modes of this wireless relay apparatus are configured as obtaining IP address automatically, because
This is also required to reacquire IP address.
A kind of IP address dynamic allocation method that the embodiment of the present invention is provided, when the network connection of this wireless relay apparatus
When state changes, by judging in connection status and LAN between this wireless relay apparatus and front end wireless aps
The existence of Dynamic Host Configuration Protocol server decides whether to open the Dynamic Host Configuration Protocol server of this wireless relay apparatus, without carrying out manual configuration behaviour
Make, and ensure that the uniqueness of Dynamic Host Configuration Protocol server in LAN, realize Dynamic Host Configuration Protocol server dynamic detection and configuration and
The flexible allocation of IP address to improve the ease for use of wireless relay apparatus, while effectively reducing due to user's misconfiguration
The Network Abnormal of generation.
In a further advantageous embodiment, whether described this wireless relay apparatus of detection connect with front end wireless aps, specifically
Including：
The interface provided from wireless driving by network testing mechanism obtains connection state information；
Judge whether this wireless relay apparatus connect with front end wireless aps according to the connection state information of acquisition.
The connection procedure of this wireless relay apparatus and front end wireless aps is by wirelessly driving completion, this wireless relay apparatus is with before
After holding wireless aps successful connection, wireless driving can record corresponding connection state information, and upper procedure can be by wirelessly driving
The interface of offer obtains the connection state information, i.e., the interface that can be provided from wireless driving by network testing mechanism obtains should
Connection state information, to judge the connection status of this wireless relay apparatus and front end wireless aps according to the connection state information.
In another preferred embodiment, the method further includes：
When the Dynamic Host Configuration Protocol server for opening this wireless relay apparatus dynamically distributes service to provide IP address, by restarting this
The wireline equipment and wireless device that wireline interface and the wireless interface notice of wireless relay apparatus are connect with this wireless device are again
Obtain IP address.
It should be noted that the equipment being connected in wireless relay apparatus generally has two kinds of wireline equipment and wireless device,
Wireline equipment refers to the equipment being connected to by cable on wireless relay apparatus wireline interface, such as PC machine, what wireless device referred to
It is the equipment being connected to by wifi agreements in wireless relay apparatus, therefore, when this wireless relay apparatus opens Dynamic Host Configuration Protocol server
It, can be leading to by way of the wireline interface and wireless interface of restarting this wireless relay apparatus when IP address dynamic allocation service is provided
Know that the wireline equipment being connect with this wireless device and wireless device reacquire IP address.
In addition, working as this wireless relay apparatus already existing Dynamic Host Configuration Protocol server from LAN with reacquiring the IP of itself
It, also can be notifying to connect with this wireless device by way of the wireline interface and wireless interface of restarting this wireless relay apparatus when location
Wireline equipment and wireless device reacquire corresponding IP address from already existing Dynamic Host Configuration Protocol server.
It is shown in Figure 2, it is that the Dynamic Host Configuration Protocol server of wireless relay apparatus provided by the invention provides IP address dynamic allocation
The particular flow sheet of one preferred embodiment of service, the Dynamic Host Configuration Protocol server of this wireless relay apparatus pass through step S101 to step
S103 provides IP address and dynamically distributes service：
Step S101, when the spy for receiving any wireline equipment being connect with this wireless relay apparatus or wireless device transmission
When observing and predicting text, corresponding detection is generated according to IP address currently available in the Dynamic Host Configuration Protocol server of this wireless relay apparatus and replys report
Text；
Step S102, detection reply message is sent to the wireline equipment or the wireless device so that described
Wireline equipment or the wireless device are replied the IP address described in message according to the detection received and are returned accordingly
Request message；
Step S103, corresponding request confirmation message is generated according to the request message received, and be sent to described
Wireline equipment or the wireless device.
Specifically, the DHCP standard agreements of the Dynamic Host Configuration Protocol server operation standard of this wireless relay apparatus, are monitored in LAN
Other equipment send DHCP Discover probe messages, have when receiving some being connect with this wireless relay apparatus
When the DHCP Discover probe messages that line equipment or wireless device are sent, corresponding DHCP Offer detections can be replied and replied
Message, DHCP Offer detections reply in the Dynamic Host Configuration Protocol server for having recorded this wireless relay apparatus in message it is currently available not
An assigned IP address, above-mentioned wireline equipment or wireless device reply message according to the DHCP Offer detections received,
The above-mentioned IP address of DHCP Request request message acquisition requests, this nothing can be sent to the Dynamic Host Configuration Protocol server of this wireless relay apparatus
The Dynamic Host Configuration Protocol server of line trunking can reply corresponding DHCP Ack requests after receiving the DHCP Request request messages
Confirmation message illustrates above-mentioned IP if above-mentioned wireline equipment or wireless device receive the DHCP Ack request confirmation messages
Address is successfully allocated to above-mentioned wireline equipment or wireless device.
It is shown in Figure 3, it is that wireless relay apparatus provided by the invention already present Dynamic Host Configuration Protocol server from LAN obtains
The particular flow sheet of a preferred embodiment of corresponding IP address, this wireless relay apparatus is taken to pass through step S201 to step
S204 already present Dynamic Host Configuration Protocol server from the LAN obtains corresponding IP address：
Step S201, probe messages are sent to the already present Dynamic Host Configuration Protocol server so that the already present DHCP clothes
Device be engaged in when receiving the probe messages, phase is returned to according to IP address currently available in the already present Dynamic Host Configuration Protocol server
Message is replied in the detection answered；
Step S202, the IP address described in message is replied according to the detection received and generates corresponding request
Message；
Step S203, the request message is sent to the already present Dynamic Host Configuration Protocol server so that described already present
Dynamic Host Configuration Protocol server returns to corresponding request confirmation message according to the request message received；
Step S204, confirm that the IP address obtains successfully according to the request confirmation message received.
Specifically, the DHCP standard agreements of this wireless relay apparatus operation standard, periodically send DHCP Discover detections
Message can reply corresponding DHCP when already existing Dynamic Host Configuration Protocol server receives the DHCP Discover probe messages
Message is replied in Offer detections, which replys has recorded in already existing Dynamic Host Configuration Protocol server currently in message
An available unassigned IP address, this wireless relay apparatus reply message according to the DHCP Offer detections received,
The above-mentioned IP address of DHCP Request request message acquisition requests can be sent to already existing Dynamic Host Configuration Protocol server, it is already existing
Dynamic Host Configuration Protocol server can reply corresponding DHCP Ack request confirmation messages after receiving the DHCP Request request messages, if
This wireless relay apparatus receives the DHCP Ack request confirmation messages, illustrates this wireless relay apparatus with successfully obtaining above-mentioned IP
Location.
In another preferred embodiment, the method further includes：
When Dynamic Host Configuration Protocol server is not present in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide IP
When address dynamically distributes service, continuation, which periodically detects, whether there is Dynamic Host Configuration Protocol server in the LAN.
The present embodiment open this wireless relay apparatus Dynamic Host Configuration Protocol server provide IP address dynamically distribute service while,
It whether there is Dynamic Host Configuration Protocol server in the detection LAN of hold period, the Dynamic Host Configuration Protocol server for occurring new in LAN can be prevented
And output conflict.
It is shown in Figure 4, it is a kind of usage scenario figure of IP address dynamic allocation method provided by the invention, front end in figure
Wireless aps and cascade 1~wireless relay apparatus of wireless relay apparatus N are in the same LAN, front end wireless aps with
Internet connections, illustrate by taking wireless relay apparatus 1 as an example here, other situations are similarly.
When wireless relay apparatus 1 is not connect with front end wireless aps, wireless relay apparatus 1 opens the DHCP service of itself
Device provides IP address and dynamically distributes service.
When wireless relay apparatus 1 is connect with front end wireless aps, wireless relay apparatus 1 periodically sends DHCP Discover
Probe messages are to detect in LAN whether have existed Dynamic Host Configuration Protocol server, if (the root in pre-set timeout period
It is configured according to actual needs) corresponding DHCP Offer detections reply message is not received, illustrate to be not present in LAN
Dynamic Host Configuration Protocol server, then the Dynamic Host Configuration Protocol server offer IP address of the unlatching of wireless relay apparatus 1 itself, which dynamically distributes, services；If pre-
Corresponding DHCP Offer detections are received in the timeout period being first arranged and reply message, illustrate to have existed in LAN
Dynamic Host Configuration Protocol server is simultaneously in open state, such as the Dynamic Host Configuration Protocol server of front end wireless aps is opened, then wireless relay apparatus 1 is closed certainly
The Dynamic Host Configuration Protocol server of body obtains IP address from the Dynamic Host Configuration Protocol server of front end wireless aps.
It should be noted that when wireless relay apparatus 1 is connect with front end wireless aps, if the DHCP clothes of front end wireless aps
Business device is opened, then closes the Dynamic Host Configuration Protocol server of 1~wireless relay apparatus of wireless relay apparatus N in LAN, and wireless relay
1~wireless relay apparatus of equipment N obtains corresponding IP address from the Dynamic Host Configuration Protocol server of front end wireless aps；If front end wireless aps
Dynamic Host Configuration Protocol server close, since 1~wireless relay apparatus of wireless relay apparatus N can periodically detect DHCP in LAN
The existence of server, if wireless relay apparatus 2 does not receive in pre-set timeout period accordingly first
Message is replied in detection, then wireless relay apparatus 2 opens the Dynamic Host Configuration Protocol server of itself and provides IP address dynamic allocation service, and replys
Other wireless relay apparatus send probe messages, at this time other wireless relay apparatus according to receive detection reply message just
Know and have existed Dynamic Host Configuration Protocol server in LAN and be in open state, so other wireless relay apparatus close itself
Dynamic Host Configuration Protocol server.
It is shown in Figure 5, it is the knot for the preferred embodiment that a kind of IP address provided by the invention dynamically distributes device
Structure block diagram, described device are arranged in each wireless relay apparatus in a local network, including：
Network detection module 11, detects whether this wireless relay apparatus connect with front end wireless aps；
First execution module 12 is used for when this wireless relay apparatus and not connected front end wireless aps, in opening this wirelessly
After the Dynamic Host Configuration Protocol server of equipment service is dynamically distributed to provide IP address；
Dynamic Host Configuration Protocol server detecting module 13 is used for when this wireless relay apparatus is connect with front end wireless aps, described in detection
It whether there is Dynamic Host Configuration Protocol server in LAN；
Second execution module 14 is opened this wireless relay and is set if for Dynamic Host Configuration Protocol server to be not present in the LAN
Standby Dynamic Host Configuration Protocol server dynamically distributes service to provide IP address；And
Third execution module 15 closes this wireless relay apparatus if for there are Dynamic Host Configuration Protocol server in the LAN
Dynamic Host Configuration Protocol server, and already present Dynamic Host Configuration Protocol server obtains corresponding IP address from the LAN.
Preferably, the network detection module 11 specifically includes：
Connection status acquiring unit, the interface for being provided from wireless driving by network testing mechanism obtain connection status
Information；
Connection status judging unit, for according to the connection state information of acquisition judge this wireless relay apparatus and front end without
Whether line AP connects.
Preferably, described device further includes：
Interface restarts module, for when the Dynamic Host Configuration Protocol server for opening this wireless relay apparatus is to provide IP address dynamic allocation
When service, wired set by what the wireline interface and wireless interface notice of restarting this wireless relay apparatus were connect with this wireless device
Standby and wireless device reacquires IP address.
Preferably, the Dynamic Host Configuration Protocol server of this wireless relay apparatus provides IP address by following steps and dynamically distributes service：
When receiving the probe messages that any wireline equipment being connect with this wireless relay apparatus or wireless device are sent,
Corresponding detection, which is generated, according to IP address currently available in the Dynamic Host Configuration Protocol server of this wireless relay apparatus replys message；
By the detection reply message be sent to the wireline equipment or the wireless device so that the wireline equipment or
The wireless device replys the IP address described in message according to the detection received and returns to corresponding request message；
Generate corresponding request confirmation message according to the request message that receives, and be sent to the wireline equipment or
The wireless device.
Preferably, by following steps, the already present Dynamic Host Configuration Protocol server from the LAN obtains this wireless relay apparatus
Corresponding IP address：
Probe messages are sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server is receiving
When to the probe messages, detected back accordingly according to IP address return currently available in the already present Dynamic Host Configuration Protocol server
Multiple message；
The IP address described in message, which is replied, according to the detection received generates corresponding request message；
The request message is sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server
Corresponding request confirmation message is returned according to the request message received；
Confirm that the IP address obtains successfully according to the request confirmation message received.
Preferably, described device further includes：
4th execution module, for when Dynamic Host Configuration Protocol server is not present in the LAN, opening this wireless relay apparatus
When Dynamic Host Configuration Protocol server dynamically distributes service to provide IP address, continuation, which periodically detects, whether there is DHCP in the LAN
Server.
It should be noted that the effect that above-mentioned IP address dynamically distributes device can be detected by the network on equipment platform
Mechanism, open source software module udhcpd modules and open source software module udhcpc modules are realized, specifically, can pass through net
Network testing mechanism detects the connection status of wireless relay apparatus and front end wireless aps, the DHCP marks of udhcpd module operation standards
Quasi- agreement, the Dynamic Host Configuration Protocol server as wireless relay apparatus can be used for providing IP address when opening and dynamically distribute service,
The DHCP standard agreements of udhcpc module operation standards, the dhcp client as wireless relay apparatus can be used for when opening
The existence of Dynamic Host Configuration Protocol server periodically in detection LAN, and when detecting successfully from already existing DHCP service
Device dynamic access IP address.
A kind of IP address that the embodiment of the present invention is provided dynamically distributes device, can realize in any of the above-described embodiment
All flows of IP address dynamic allocation method, the technique effect point of effect and the realization of modules and unit in device
It is corresponding not identical as the technique effect of effect and the realization of the IP address dynamic allocation method in above-described embodiment, here no longer
It repeats.
The embodiment of the present invention additionally provides a kind of computer storage media, and the computer storage media includes the meter of storage
Calculation machine program；Wherein, the equipment where the computer program controls the computer storage media at runtime executes above-mentioned
IP address dynamic allocation method described in any embodiment.
The embodiment of the present invention additionally provides a kind of wireless relay apparatus, shown in Figure 6, is a kind of nothing provided by the invention
The structure diagram of one preferred embodiment of line trunking, including processor 10, memory 20 and it is stored in the storage
In device 20 and it is configured as the computer program executed by the processor 10, the processor 10 is executing the computer journey
The IP address dynamic allocation method described in any of the above-described embodiment is realized when sequence.
Preferably, the computer program can be divided into one or more module/units (such as computer program 1, meter
Calculation machine program 2), one or more of module/units are stored in the memory 20, and by
The processor 10 executes, to complete the present invention.One or more of module/units can complete specific function
Series of computation machine program instruction section, the instruction segment is for describing the computer program holding in the wireless relay apparatus
Row process.
The processor 10 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc., general processor can be microprocessor or the processor 10 can also be any conventional place
Device is managed, the processor 10 is the control centre of the wireless relay apparatus, using wireless described in various interfaces and connection
The various pieces of trunking.
The memory 20 includes mainly program storage area and data storage area, wherein program storage area can store operation
Application program etc. needed for system, at least one function, data storage area can store related data etc..In addition, the memory
20 can be high-speed random access memory, can also be nonvolatile memory, such as plug-in type hard disk, intelligent memory card
(Smart Media Card, SMC), secure digital (Secure Digital, SD) card and flash card (Flash Card) etc., or
The memory 20 can also be other volatile solid-state parts.
It should be noted that above-mentioned wireless relay apparatus may include, but it is not limited only to, processor, memory, this field skill
Art personnel are appreciated that Fig. 6 structure diagrams are only the example of wireless relay apparatus, do not constitute the limit to wireless relay apparatus
It is fixed, may include either combining certain components or different components than illustrating more or fewer components.
A kind of IP address dynamic allocation method, device and computer storage media that sum up, the embodiment of the present invention is provided,
Wireless relay apparatus, when the network connection state of this wireless relay apparatus changes, by judging this wireless relay apparatus
The existence of Dynamic Host Configuration Protocol server decides whether to open originally wireless in connection status and LAN between the wireless aps of front end
The Dynamic Host Configuration Protocol server of trunking without carrying out manual configuration operation, and ensure that the unique of Dynamic Host Configuration Protocol server in LAN
Property, the dynamic detection and the flexible allocation of configuration and IP address of Dynamic Host Configuration Protocol server are realized, is set to improve wireless relay
Standby ease for use, while effectively reducing the Network Abnormal generated by user's misconfiguration.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of IP address dynamic allocation method, which is characterized in that the method is by each wireless relay apparatus in LAN
It executes respectively, including：
Detect whether this wireless relay apparatus connect with front end wireless aps；
When this wireless relay apparatus and not connected front end wireless aps, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide
IP address dynamically distributes service；
When this wireless relay apparatus is connect with front end wireless aps, detects and whether there is Dynamic Host Configuration Protocol server in the LAN；
If Dynamic Host Configuration Protocol server is not present in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened with providing IP
Location dynamically distributes service；
If there are Dynamic Host Configuration Protocol server in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is closed, and from the office
Already present Dynamic Host Configuration Protocol server obtains corresponding IP address in the net of domain.
2. IP address dynamic allocation method as described in claim 1, which is characterized in that described this wireless relay apparatus of detection with
Whether front end wireless aps connect, and specifically include：
The interface provided from wireless driving by network testing mechanism obtains connection state information；
Judge whether this wireless relay apparatus connect with front end wireless aps according to the connection state information of acquisition.
3. IP address dynamic allocation method as described in claim 1, which is characterized in that the method further includes：
It is wireless by restarting this when the Dynamic Host Configuration Protocol server for opening this wireless relay apparatus dynamically distributes service to provide IP address
The wireline equipment and wireless device that wireline interface and the wireless interface notice of trunking are connect with this wireless device reacquire
IP address.
4. IP address dynamic allocation method as described in claim 1, which is characterized in that the DHCP service of this wireless relay apparatus
Device provides IP address by following steps and dynamically distributes service：
When receiving the probe messages that any wireline equipment being connect with this wireless relay apparatus or wireless device are sent, according to
Currently available IP address generates corresponding detection and replys message in the Dynamic Host Configuration Protocol server of this wireless relay apparatus；
Detection reply message is sent to the wireline equipment or the wireless device so that the wireline equipment is described
Wireless device replys the IP address described in message according to the detection received and returns to corresponding request message；
Corresponding request confirmation message is generated according to the request message received, and is sent to the wireline equipment or described
Wireless device.
5. IP address dynamic allocation method as described in claim 1, which is characterized in that this wireless relay apparatus passes through following step
Suddenly already present Dynamic Host Configuration Protocol server obtains corresponding IP address from the LAN：
Probe messages are sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server is receiving
When stating probe messages, corresponding detection is returned to according to IP address currently available in the already present Dynamic Host Configuration Protocol server and replys report
Text；
The IP address described in message, which is replied, according to the detection received generates corresponding request message；
The request message is sent to the already present Dynamic Host Configuration Protocol server so that the already present Dynamic Host Configuration Protocol server according to
The request message received returns to corresponding request confirmation message；
Confirm that the IP address obtains successfully according to the request confirmation message received.
6. IP address dynamic allocation method as described in claim 1, which is characterized in that the method further includes：
When Dynamic Host Configuration Protocol server is not present in the LAN, the Dynamic Host Configuration Protocol server of this wireless relay apparatus is opened to provide IP address
When dynamically distributing service, continuation, which periodically detects, whether there is Dynamic Host Configuration Protocol server in the LAN.
7. a kind of IP address dynamically distributes device, which is characterized in that each wireless relay of described device setting in a local network
In equipment, including：
Network detection module, detects whether this wireless relay apparatus connect with front end wireless aps；
First execution module, for when this wireless relay apparatus is not connected with front end wireless aps, opening this wireless relay apparatus
Dynamic Host Configuration Protocol server with provide IP address dynamically distribute service；
Dynamic Host Configuration Protocol server detecting module, for when this wireless relay apparatus is connect with front end wireless aps, detecting the LAN
In whether there is Dynamic Host Configuration Protocol server；
Second execution module opens this wireless relay apparatus if for Dynamic Host Configuration Protocol server to be not present in the LAN
Dynamic Host Configuration Protocol server dynamically distributes service to provide IP address；And
Third execution module closes the DHCP of this wireless relay apparatus if for there are Dynamic Host Configuration Protocol server in the LAN
Server, and already present Dynamic Host Configuration Protocol server obtains corresponding IP address from the LAN.
8. a kind of computer storage media, which is characterized in that the computer storage media includes the computer program of storage；Its
In, the equipment where the computer program controls the computer storage media at runtime is executed as in claim 1 to 6
Any one of them IP address dynamic allocation method.
9. a kind of wireless relay apparatus, which is characterized in that including processor, memory and be stored in the memory and by
It is configured to the computer program executed by the processor, the processor realizes such as right when executing the computer program
It is required that the IP address dynamic allocation method described in any one of 1 to 6.
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