CN108183978A - A kind of communication equipment IP address configuration method and communication equipment - Google Patents
A kind of communication equipment IP address configuration method and communication equipment Download PDFInfo
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- CN108183978A CN108183978A CN201810273298.1A CN201810273298A CN108183978A CN 108183978 A CN108183978 A CN 108183978A CN 201810273298 A CN201810273298 A CN 201810273298A CN 108183978 A CN108183978 A CN 108183978A
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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
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
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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
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
Abstract
The present invention relates to fields of communication technology, provide a kind of communication equipment IP address configuration method and communication equipment, this method include：Detect it is described it is communication device initiated after, the first IP address is read from the memory module of the communication equipment；The network connection between the communication equipment and host computer is established using first IP address；Receive the IP address reset indication that the host computer is sent；According to the IP address reset indication, in the second IP address storage to the memory module that the IP address reset indication is carried, first IP address stored originally in the memory module is covered；After detecting that the communication equipment is restarted, second IP address is read from the memory module；Second IP address is configured to the IP address of the communication equipment.This programme, which can be realized, is configured the IP address of communication equipment.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of communication equipment IP address configuration method and communication equipments.
Background technology
IP address (Internet Protocol Address, internet protocol address) is that one kind that IP agreement provides is same
Address format, it is one logical address of each network and each host assignment on internet, carrys out screen with this
Manage the difference of address so that each network and host can interconnect.For current network communicating system, in network communication
System design process specifies IP address for each communication equipment, and the IP address of communication equipment will after the completion of network communicating system design
It can not change.Due to same communication equipment may need from different host computer communications, if the IP address of communication equipment with it is upper
The IP address of position machine belongs to the different network segments, and the communication between communication equipment and host computer is likely to occur exception, but can not lead to
The IP address for crossing again configuration of communications device enables host computer and communication equipment normal communication, leads to the usage experience of user
It is poor.
Therefore, for above deficiency, it is desirable to provide a kind of technical side that the IP address of communication equipment can be configured
Case.
Invention content
The technical problem to be solved in the present invention is after the completion of network communicating system exploitation that the IP address of communication equipment can not
Change, for the defects in the prior art, provide it is a kind of can be to technical solution that communication equipment IP address is configured.
In order to solve the above technical problem, the present invention provides a kind of communication equipment IP address configuration method, including：
Detect it is described it is communication device initiated after, the first IP address is read from the memory module of the communication equipment；
The network connection between the communication equipment and host computer is established using first IP address；
Receive the IP address reset indication that the host computer is sent；
According to the IP address reset indication, the second IP address that the IP address reset indication is carried is stored to described
In memory module, first IP address stored originally in the memory module is covered；
After detecting that the communication equipment is restarted, second IP address is read from the memory module；
Second IP address is configured to the IP address of the communication equipment.
Optionally,
The network connection established using first IP address between the communication equipment and host computer, including：
Receive the Address Resolution Protocol ARP request that the host computer is sent；
Obtain the target ip address entrained by the ARP request；
Judge whether the target ip address and first IP address are identical；
If so, the first MAC Address of the communication equipment is sent to the host computer, so that the host computer creates
Mapping relations between first IP address and first MAC Address, and can be according to first MAC Address to described
Communication equipment sends information.
Optionally,
It is described judge whether the target ip address and first IP address identical after, further comprise：
If the target ip address is identical with first IP address, the host computer is obtained from the ARP request
Third IP address and the second MAC Address, and store the mapping relations of the third IP address and second MAC Address, with
Information is sent to the host computer according to the third IP address and the mapping relations of second MAC Address.
Optionally,
After in the second IP address storage to the memory module for carrying the IP address reset indication, into
One step includes：
The first subnet mask of first IP address is obtained, obtains the second subnet mask of second IP address；
First IP address, the first subnet mask, the second IP address and the second subnet mask are converted into correspondence respectively
Binary sequence；
By the corresponding binary sequence of first IP address binary sequence corresponding with first subnet mask into
Row binary system and operation obtain the first verification sequence；
By the corresponding binary sequence of second IP address binary sequence corresponding with second subnet mask into
Row binary system and operation obtain the second verification sequence；
Judge whether the first verification sequence and the described second verification sequence are identical；
First IP address is prompted to be located at the same network segment with second IP address if so, being sent to the host computer
Prompt message.
The embodiment of the present invention additionally provides a kind of communication equipment, including：On-site programmable gate array FPGA and memory module；
The memory module, for storing the first IP address；
The FPGA, for detect it is described it is communication device initiated after, the first IP is read from the memory module
Address, after establishing the network connection between host computer using first IP address, with receiving the IP that the host computer is sent
Location reset indication in the second IP address storage to the memory module for carrying the IP address reset indication, is deposited to described
Chu Mo first IP address in the block is covered and after the communication equipment restarting is detected, is deposited from described
Second IP address is read, and second IP address is configured to the IP address of the communication equipment in storage module.
Optionally,
The FPGA includes：ARP handshake modules；
The ARP handshake modules for receiving the ARP request that the host computer is sent, obtain what the ARP request carried
Target ip address, and judge whether the target ip address and first IP address are identical, if so, by the communication equipment
The first MAC Address be sent to the host computer so that the host computer creates first IP address with the first MAC
Mapping relations between location, and can information be sent to the communication equipment according to first MAC Address.
Optionally,
The ARP handshake modules, be further used for judge the target ip address it is identical with first IP address it
Afterwards, the third IP address and the second MAC Address of the host computer are obtained from the ARP request, and with storing the 3rd IP
Location and the mapping relations of second MAC Address, so that the FPGA is according to the third IP address and second MAC Address
Mapping relations to the host computer send information.
Optionally,
The communication equipment further comprises：Flash array；
The FPGA further comprises：Data reception module and data transmission blocks；
The flash array, for storing the data that external data source is sent to the FPGA；
The data reception module for receiving the data that the host computer is sent, and the data received is just stored
Into the flash array；
The data transmission blocks, for the data requesting instructions sent according to the host computer, from the flash array
It reads corresponding data and is sent to the host computer.
Optionally,
It is any one or more in the data reception module, the data transmission blocks and the ARP handshake modules,
It is developed by hardware description language.
Optionally,
The FPGA is further used for performing following operation：
The first subnet mask of first IP address is obtained, obtains the second subnet mask of second IP address；
First IP address, the first subnet mask, the second IP address and the second subnet mask are converted into correspondence respectively
Binary sequence；
By the corresponding binary sequence of first IP address binary sequence corresponding with first subnet mask into
Row binary system and operation obtain the first verification sequence；
By the corresponding binary sequence of second IP address binary sequence corresponding with second subnet mask into
Row binary system and operation obtain the second verification sequence；
Judge whether the first verification sequence and the described second verification sequence are identical；
First IP address is prompted to be located at the same network segment with second IP address if so, being sent to the host computer
Prompt message.
Implement communication equipment IP address configuration method provided in an embodiment of the present invention and communication equipment, at least have has as follows
Beneficial effect：
1st, the first IP address is stored in the memory module of communication equipment, memory module can be utilized when communication device initiated
First IP address of middle storage establishes the network connection between host computer, can be sent out after the completion of network connection foundation with host computer
The IP address reset indication sent, in the second IP address storage to memory module that IP address reset indication is carried to the first IP
Location is covered, in this way, when communication module restarts, can read the second IP address from memory module, and by second
IP address is configured to the IP address of communication equipment.It can be seen that communication equipment reads IP after restarting every time from memory module
Location is to establish the communication connection between host computer, so as to the IP address reset indication that is sent according to host computer to storing mould
The IP address stored in block is updated, and realizes and the IP address of communication equipment is configured, and promotes the usage experience of user.
2nd, it crosses and receives the ARP request that host computer is sent, it may be determined that whether the communication equipment to communicate needed for host computer is to work as
Preceding communication equipment, when the communication equipment for determining to communicate needed for host computer is current communication devices, by the MAC of current communication devices
Address is sent to host computer so that host computer can send information according to received MAC Address to current communication devices, protect
Card host computer can communicate with multiple communication equipments, promote the usage experience of user.
3rd, host computer can create the mapping relations between MAC Address and target ip address after MAC Address is received, this
When sample host computer needs to send information to same communication equipment again, MAC Address can be directly obtained according to mapping relations to phase
The communication equipment answered sends information, without sending ARP request again, contributes to the raising of traffic rate.
4th, by storing the mapping relations between the IP address of host computer and MAC Address, communication equipment is in addition to that can receive
The information that host computer is sent can also send information to host computer, realize the two-way communication between host computer and communication equipment, carry
The applicability of the communication equipment IP address configuration method is risen.
5th, after determining that the second IP address is located at the same network segment with the first IP address, prompt message is sent to host computer, is carried
Show that the second IP address of host computer is located at the same network segment with the first IP address.If the in this way, IP address weight that communication equipment receives
It is not transmitted by host computer or host computer is sent under by the state of forcing to do one's bidding to put instruction, and the user of host computer can send out in time
Now and using handling accordingly, the safety to communicate between host computer and communication equipment is helped to improve.
6th, ARP handshake modules, data reception module and the data transmission blocks that FPGA includes, can pass through Hardware description language
The form of speech is described, ARP handshake modules, data reception module and the data transmission blocks developed in this way independent of
The support of FPGA hardware function module can realize that the communication that the embodiment of the present invention is previously mentioned is set by the FPGA of various models
It is standby, the applicability of the communication equipment on the one hand can be improved, the FPGA that lower end on the other hand may be used realizes that the present invention is real
The communication equipment that example is provided is applied, ensure that communication equipment has relatively low cost.
Description of the drawings
Fig. 1 is the flow chart that the embodiment of the present invention one provides communication equipment IP address configuration method；
Fig. 2 is the schematic diagram that the embodiment of the present invention five provides communication equipment；
Fig. 3 is the schematic diagram that the embodiment of the present invention six provides communication equipment；
Fig. 4 is the schematic diagram that the embodiment of the present invention eight provides communication equipment；
Fig. 5 is the flow chart of 11 offer communication equipment IP address configuration methods of the embodiment of the present invention.
In figure：201：FPGA；202：Memory module；2011：ARP handshake modules；2012：Data reception module；2013：Number
According to sending module；403：Flash array.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, communication equipment IP address configuration method provided in an embodiment of the present invention, may comprise steps of：
Step 101：Detect it is communication device initiated after, the first IP address is read from the memory module of communication equipment；
Step 102：The network connection between communication equipment and host computer is established using the first IP address；
Step 103：Receive the IP address reset indication that host computer is sent；
Step 104：According to IP address reset indication, the second IP address storage to storage that IP address reset indication is carried
In module, the first IP address stored originally in memory module is covered；
Step 105：After detecting that communication equipment is restarted, the second IP address is read from memory module；
Step 106：Second IP address is configured to the IP address of communication equipment.
Communication equipment IP address configuration method provided in an embodiment of the present invention is stored in the memory module of communication equipment
One IP address can utilize the first IP address stored in memory module to establish the net between host computer when communication device initiated
Network connects, and the IP address reset indication that can be sent after the completion of network connection foundation with host computer takes IP address reset indication
The first IP address is covered in the second IP address storage to memory module of band, in this way, when communication module restarts,
The second IP address can be read from memory module, and the second IP address is configured to the IP address of communication equipment.It can be seen that
Communication equipment reads IP address to establish the communication connection between host computer from memory module after restarting every time, so as to
The IP address stored in memory module is updated according to the IP address reset indication that host computer is sent, is realized to communication equipment
IP address be configured, promote the usage experience of user.
Embodiment two
On the basis of embodiment one provides communication equipment IP address configuration method, step 102 utilizes the first IP address
When establishing the network connection between communication equipment and host computer, it can specifically realize in the following way：
A1：Receive ARP (Address Resolution Protocol, the address resolution protocol) requests that host computer is sent；
A2：Obtain the target ip address entrained by ARP request；
A3：Judge whether target ip address identical with the first IP address, if so, performing A4, otherwise terminate current
Flow；
A4：First MAC Address of communication equipment is sent to host computer, so that host computer creates the first IP address and first
Mapping relations between MAC Address, and host computer is allow to send information to communication equipment according to the first MAC Address.
After the first IP address is read in the memory module from communication equipment, real-time reception host computer passes through the forms of broadcasting
The ARP request of transmission carries the target ip address of the communication equipment to communicate needed for host computer in ARP request.It is receiving
To after ARP request, the target ip address that ARP request carries is obtained, and by the target ip address got and read the
One IP address is compared, and judges whether target ip address is identical with the first IP address.If target ip address and the first IP
Location is identical, illustrates the communication equipment to communicate needed for host computer for current communication devices, by the first MAC of current communication devices
Address is sent to host computer.If target ip address is different from the first IP address, illustrate the communication to communicate needed for host computer
Equipment is not current communication devices, will receive ARP request discarding.Host computer creates first after the first MAC Address is received
Mapping relations between MAC Address and target ip address (the first IP address), hereafter host computer can be obtained according to the mapping relations
The first MAC Address of target communication device is obtained, then can IP address weight be sent to target communication device according to the first MAC Address
Put the information such as instruction.
The ARP request sent by receiving host computer, it may be determined that whether the communication equipment to communicate needed for host computer is to work as
Preceding communication equipment, when the communication equipment for determining to communicate needed for host computer is current communication devices, by the MAC of current communication devices
Address is sent to host computer so that host computer can send information according to received MAC Address to current communication devices, protect
Card host computer can communicate with multiple communication equipments, promote the usage experience of user.In addition, host computer is receiving MAC
Behind address, the mapping relations between MAC Address and target ip address can be created, such host computer needs to set to same communication again
Preparation deliver letters breath when, can be directly obtained according to mapping relations MAC Address to corresponding communication equipment send information, without again
ARP request is sent, contributes to the raising of traffic rate.
Embodiment three
On the basis of embodiment two provides communication equipment IP address configuration method, judge target ip address whether with
After first IP address is identical, if it is determined that target ip address is identical with the first IP address, can also be asked from received ARP
It asks middle and obtains the third IP address and the second MAC Address of host computer, and store reflecting between third IP address and the second MAC Address
Penetrate relationship.
After determining that the target ip address entrained by ARP request is identical with the first IP address, ARP request institute is further obtained
The IP address and MAC Address of the host computer of carrying establish the mapping relations between the IP address of host computer and MAC Address and progress
It, can be according to the mapping of host computer IP address and MAC Address if communication equipment needs to send information to host computer after storage
Relationship obtains the MAC Address of host computer, and then sends information to host computer according to the MAC Address of host computer.In this way, pass through storage
Mapping relations between the IP address and MAC Address of host computer, information of the communication equipment in addition to host computer transmission can be received, also
Information can be sent to host computer, realize the two-way communication between host computer and communication equipment, with improving communication equipment IP
The applicability of location configuration method.
Example IV
On the basis of any embodiment provides communication equipment IP address configuration method in embodiment one to embodiment three,
The storage of the second IP address to after in memory module, can be detected further the second IP address and the first IP address whether position
In the same network segment, detailed process can be accomplished by the following way：
B1：The first subnet mask of the first IP address is obtained, and obtains the second subnet mask of the second IP address；
B2：The first IP address, the first subnet mask, the second IP address and the second subnet mask are converted to respectively corresponding
Binary sequence；
B3：By corresponding with the first subnet mask binary sequence of the corresponding binary sequence of the first IP address carry out two into
System and operation obtain the first verification sequence；
B4：By corresponding with the second subnet mask two-stage system sequence of the corresponding binary sequence of the second IP address carry out two into
System and operation obtain the second verification sequence；
B5：Judge whether the first verification sequence and the second verification sequence are identical, if so, performing B6, otherwise terminate current
Flow；
B6：The first IP address of prompting is sent to host computer and the second IP address is located at the prompt message of the same network segment.
For example, it is in the first IP address that communication equipment booting is read from memory module after the power is turned on
211.95.165.24, the second IP address got in secondary IP address reset indication be 211.95.164.78, the first IP address
The first subnet mask for 255.255.254.0, the second subnet mask of the second IP address is 255.255.254.0.By first
After IP address, the second IP address, the first subnet mask and the second subnet mask are respectively converted into two-stage system sequence, with two-stage system sequence
The correspondence of row is as follows：
First IP address：11010011 01011111 10100101 00011000；
First subnet mask：11111111 11111111 111111110 00000000；
Second IP address：11010011 01011111 10100100 01001110；
Second subnet mask：11111111 11111111 111111110 00000000.
First IP address binary sequence corresponding with the first subnet mask is subjected to binary system and operation, first is obtained and tests
Demonstrate,prove sequence 11,010,011 01,011,111 10,100,100 00000000.By the second IP address corresponding with the second subnet mask two
System sequence carries out binary system and operation, obtains the second verification sequence 11,010,011 01,011,111 10,100,100 00000000.
Since the first verification sequence is identical with the second verification sequence, information simultaneously is sent to host computer, with prompting the first IP
Location belongs to the same network segment with the second IP address.
Under normal circumstances, it is the IP address due to host computer and communication equipment that resetting is carried out to the IP address of communication equipment
Not in the same network segment, if the second IP address got in secondary IP address reset indication and the first IP stored in memory module
Address is in the same network segment, can't change the network segment residing for communication equipment using the first IP address of the second IP address replacement, this
When IP address reset indication may be illegal instruction, it is intended that be engaged in and illegal read the behaviors such as communication equipment stored information.True
After fixed second IP address is located at the same network segment with the first IP address, prompt message is sent to host computer, prompts host computer the 2nd IP
Address is located at the same network segment with the first IP address.In this way, if the IP address reset indication that communication equipment receives is not upper
Transmitted by machine or host computer is sent under by the state of forcing to do one's bidding, and the user of host computer can have found and in time using corresponding
It handles, helps to improve the safety to communicate between host computer and communication equipment.
It should be noted that the first IP address and the first subnet mask and the second IP address and the second subnet mask
When carrying out binary system and operation, for mutually to its two binary numbers, if two binary numbers are 1, with operation
As a result it is 0 with operation result if it is 0 to have one in two binary numbers for 1.
Embodiment five
As shown in Fig. 2, communication equipment provided in an embodiment of the present invention, including：FPGA (Field-Programmable
Gate Array, field programmable gate array) 201 and memory module 202；
Memory module 202 is for the first IP address of storage；
FPGA201 be used for detect it is communication device initiated after, the first IP address is read from memory module 202, utilize
After first IP address establishes the network connection with upper machine support, the IP address reset indication that host computer is sent is received, by IP
In the second IP address storage to memory module 202 that location reset indication carries, the first IP address in memory module 202 is carried out
Covering, and the second IP address is read from memory module 202 after communication equipment restarting is detected, the second IP address is matched
It is set to the IP address of communication equipment.
Communication equipment provided in an embodiment of the present invention is stored with the first IP address in memory module, is established by cable on communication equipment
FPGA can read the first IP address from memory module during machine, and build on the network between host computer using the first IP address
Connection.After the second IP address is obtained in the IP address reset indication that FPGA is sent out from host computer, FPGA stores the second IP address
The first IP address is covered into memory module.When communication equipment is restarted, FPGA can read from memory module
Second IP address is configured to the IP address of communication equipment by two IP address, you can be carried out using the second IP address and host computer
Communication.It can be seen that FPGA can be according to the IP address reset indication that host computer is sent to the IP address that is stored in memory module
It is updated, and all the IP address stored in memory module can be set as communication equipment during each communication equipment restarting
IP address, so as to which the IP address of communication equipment is configured according to demand, improve the usage experience of user.
In embodiments of the present invention, memory module can be EEPROM (Electrically Erasable
Programmable read only memory, Electrically Erasable Programmable Read-Only Memory), EEPROM can still be protected after a loss of power
The stored data of card are not lost, and can ensure that host computer can be with to new data are written after data erasing that it is stored
The IP address of communication equipment is repeatedly reset, and ensures that communication equipment can use what is reset always after resetting every time
IP address.
Embodiment six
On the basis of embodiment five provides communication equipment, as shown in figure 3, FPGA201 can include ARP handshake modules
2011；
ARP handshake modules 2011 are used to receive the ARP request of host computer transmission, with obtaining the Target IP that ARP request carries
Location, and judge whether target ip address is identical with the first IP address, if so, the first MAC Address of communication equipment is sent to
Host computer, so that host computer creates the mapping relations between the first IP address and the first MAC Address, and can be according to the first MAC
Address sends information to communication equipment.
Embodiment seven
On the basis of embodiment six provides communication equipment, as shown in figure 3, ARP handshake modules 2011 are further used for
After judging that target ip address is identical with the first IP address, the third IP address and second of host computer is obtained from ARP request
MAC Address, and the mapping relations of third IP address and the second MAC Address are stored, so that FPGA201 can be according to third IP address
With the mapping relations of the second MAC Address information is sent to host computer.
Embodiment eight
On the basis of embodiment six provides communication equipment, as shown in figure 4, the communication equipment can also include flash memory battle array
Row 403；
FPGA201 further comprises：Data reception module 2012 and data transmission blocks 2013；
Flash array 403, for storing the data that external data source is sent to FPGA201；
Data reception module 2012 for receiving the data of host computer transmission, and the data received is just stored to sudden strain of a muscle
It deposits in array 403；
For the data requesting instructions sent according to host computer, phase is read from flash array 403 for data transmission blocks 2013
The data answered are sent to host computer.
Communication equipment can include flash array, and correspondingly FPGA includes data transmission blocks and data reception module, number
The data of host computer transmission can be received according to receiving module, and received data are stored into big flash array, data are sent
Module can receive the data requesting instructions of host computer transmission, and read corresponding number from flash array according to data requesting instructions
According to being sent to host computer.In addition, FPGA can also be connected with external data source, and when data source has data input, FPGA
The data of data source input are stored into flash array, wherein, data source can be that the information collections such as camera, microphone are set
It is standby.
When communication equipment includes flash array, communication equipment can be used as storage device, and number is obtained from data source
The additions and deletions of paired data is instructed to change look into, and can be according to the instruction of host computer according to being stored, and according to what host computer was sent
IP address is reset, is communicated with realizing with multiple host computers positioned at different segment.
Embodiment nine
On the basis of embodiment eight provides communication equipment, as shown in figure 4, ARP handshake modules 2011, data reception
In block 2012 and data transmission blocks 2013 it is any one or more can by hardware description language develop obtain.
ARP handshake modules, data reception module and the data transmission blocks that FPGA includes, can pass through hardware description language
Form be described, ARP handshake modules, data reception module and the data transmission blocks developed in this way independent of
The support of FPGA hardware function module can realize that the communication that the embodiment of the present invention is previously mentioned is set by the FPGA of various models
It is standby, the applicability of the communication equipment on the one hand can be improved, the FPGA that lower end on the other hand may be used realizes that the present invention is real
The communication equipment that example is provided is applied, ensure that communication equipment has relatively low cost.
Embodiment ten
On the basis of embodiment five provides any communication equipment to embodiment nine, FPGA201 can be also used for performing
Following operation：
The first subnet mask of the first IP address is obtained, obtains the second subnet mask of the second IP address；
The first IP address, the first subnet mask, the second IP address and the second subnet mask are converted to corresponding two respectively
System sequence；
The corresponding binary sequence of first IP address binary sequence corresponding with the first subnet mask is subjected to binary system
With operation, the first verification sequence is obtained；
The corresponding binary sequence of second IP address binary sequence corresponding with the second subnet mask is subjected to binary system
With operation, the second verification sequence is obtained；
Judge whether the first verification sequence and the second verification sequence are identical；
If so, the prompt message that the first IP address is prompted to be located at the same network segment with the second IP address is sent to host computer.
It should be noted that above-mentioned each embodiment provides information exchange between each module in communication equipment, holds
The contents such as row process, due to being based on same design with the method for the present invention embodiment, particular content can be found in the method for the present invention implementation
Narration in example, details are not described herein again.
Embodiment 11
With reference to communication equipment shown in Fig. 4, to communication equipment IP address configuration method provided in an embodiment of the present invention
It is described in further detail, as shown in figure 5, this method may comprise steps of：
Step 501：The first IP address is read from the memory module of communication equipment.
In embodiments of the present invention, when communication equipment after the power is turned on, FPGA reads the first IP address for storing in memory module.
Specifically, FPGA includes IP configuration modules, and after communication equipment electrifying startup, IP configuration modules read from memory module
One IP address.Wherein, IP configuration modules can be developed by hardware description language.
For example, after electrically activating on a communications device, the first IP address is read from the memory module of communication equipment
211.95.165.24。
Step 502：The ARP request of host computer transmission is received by ARP handshake modules, and target is obtained from ARP request
IP address.
In embodiments of the present invention, after communication device initiated, the ARP handshake module real-time receptions host computer that FPGA includes is sent out
The ARP request sent, after the ARP request that a host computer is sent is received, ARP handshake modules are by solving ARP request
Analysis obtains the target ip address that ARP request carries.
Step 503：Judge whether target ip address is identical with the first IP address using ARP handshake modules, if so, performing
Step 504, step 502 is otherwise performed.
In embodiments of the present invention, after the target ip address for getting ARP request carrying, ARP's ARP handshake modules shakes hands
Module further judge acquired in target ip address all and the first IP address that IP configuration modules are read it is whether identical.If
It is to illustrate that the communication equipment that host computer communicates is current communication devices, correspondingly performs step 504.If not, it says
The communication equipment that bright host computer communicates is not current communication devices, correspondingly performs step 502, continues with ARP
Handshake module receives the ARP request that host computer is sent.
For example, the target ip address that ARP handshake modules are obtained from ARP request is 211.95.165.24, due to Target IP
Address is identical with the first IP address, therefore performs step 504.
Step 504：The MAC Address of communication equipment is sent to host computer by ARP handshake modules, establish communication equipment with it is upper
Network connection between machine.
In embodiments of the present invention, ARP handshake modules will communicate after determining that target ip address is identical with the first IP address
The MAC Address of equipment is sent to host computer.Host computer is after the MAC Address transmitted by communication equipment is received, with creating the MAC
Mapping relations between location and target ip address, later host computer need to corresponding to target ip address communication equipment send letter
During breath, the MAC Address of communication equipment can be determined according to the mapping relations, and then send and believe to communication equipment according to MAC Address
Breath.
Step 505：ARP handshake modules obtain host computer IP address and MAC Address, and store host computer IP address with
Mapping relations between MAC Address.
In embodiments of the present invention, ARP handshake modules, can also be from institute after the first IP address is sent to host computer
The IP address and MAC Address of host computer are obtained in the ARP request received, creates the mapping of host computer IP address and MAC Address
After relationship, by mapping relations storage to the local of communication equipment.Later, the data transmission blocks included by communication equipment, can
To determine the MAC Address of host computer according to the mapping relations, and then according to MAC Address to host computer transmission data.
Step 506：The IP address reset indication that host computer is sent is received, and the 2nd IP is obtained in secondary IP address reset indication
Address.
In embodiments of the present invention, it after the network connection of host computer and communication equipment is established using the first IP address, connects
The IP address reset indication that host computer is sent is received, is determining that received IP address reset indication is for current communication devices
Afterwards, IP configuration modules parse IP address reset indication, obtain the second IP address that IP address reset indication carries.
For example, the second IP address got in secondary IP address reset indication is 211.95.164.78.
Step 507：Second IP address is stored into memory module, to the first IP address stored originally in memory module
It is covered.
In embodiments of the present invention, IP configuration modules are after the second IP address is got, by the storage of the second IP address to depositing
It stores up in module, and the first IP address stored originally in memory module is covered.In addition, IP configuration modules can detect
Whether two IP address and the first IP address are located at the same network segment, if located in the same network segment, then to host computer with prompting the first IP
Location is located at the prompt message of the same network segment with the second IP address.
Step 508：After communication apparatus communication, the second IP address is read from memory module.
In embodiments of the present invention, after communication equipment is resetted or restarted, IP configuration modules are read from memory module
Second IP address.
For example, after communication equipment is restarted, the second IP address is read from the memory module of communication equipment
211.95.164.78。
Step 509：Second IP address is set as to the IP address of communication equipment, is established between communication equipment and host computer
Network connection.
In embodiments of the present invention, IP configuration modules utilize second after the second IP address is read from memory module
IP address establishes the network connection between communication equipment and host computer, and detailed process using the first IP address with establishing communication equipment
The process of network connection is similar between host computer, the step of may refer to step 502 to step 504, or else repeats herein.
In conclusion communication equipment IP address configuration method provided in an embodiment of the present invention and communication equipment, communication equipment
Memory module in be stored with the first IP address, the first IP address for storing in memory module can be utilized when communication device initiated
The network connection between host computer is established, the IP address resetting that can be sent after the completion of network connection foundation with host computer refers to
It enables, the second IP address that IP address reset indication carries is stored into memory module, the first IP address is covered, in this way,
When communication module restarts, the second IP address can be read from memory module, and the second IP address is configured to communicate
The IP address of equipment.It can be seen that communication equipment reads IP address to establish and host computer after restarting every time from memory module
Between communication connection, so as to the IP address reset indication that is sent according to host computer to the IP address that is stored in memory module
It is updated, realizes and the IP address of communication equipment is configured, promote the usage experience of user.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of communication equipment IP address configuration method, which is characterized in that including：
Detect it is described it is communication device initiated after, the first IP address is read from the memory module of the communication equipment；
The network connection between the communication equipment and host computer is established using first IP address；
Receive the IP address reset indication that the host computer is sent；
According to the IP address reset indication, the second IP address storage that the IP address reset indication is carried to the storage
In module, first IP address stored originally in the memory module is covered；
After detecting that the communication equipment is restarted, second IP address is read from the memory module；
Second IP address is configured to the IP address of the communication equipment.
2. according to the method described in claim 1, it is characterized in that, it is described using first IP address establish it is described communication set
The standby network connection between host computer, including：
Receive the Address Resolution Protocol ARP request that the host computer is sent；
Obtain the target ip address entrained by the ARP request；
Judge whether the target ip address and first IP address are identical；
If so, the first MAC Address of the communication equipment is sent to the host computer, so that described in host computer establishment
Mapping relations between first IP address and first MAC Address, and can be according to first MAC Address to the communication
Equipment sends information.
3. according to the method described in claim 2, it is characterized in that, judge the target ip address and the first IP described
After whether address is identical, further comprise：
If the target ip address is identical with first IP address, the of the host computer is obtained from the ARP request
Three IP address and the second MAC Address, and the mapping relations of the third IP address and second MAC Address are stored, with basis
The third IP address and the mapping relations of second MAC Address send information to the host computer.
4. according to the method any in claims 1 to 3, which is characterized in that described by the IP address reset indication
After in the second IP address storage to the memory module carried, further comprise：
The first subnet mask of first IP address is obtained, obtains the second subnet mask of second IP address；
First IP address, the first subnet mask, the second IP address and the second subnet mask are converted to corresponding two respectively
System sequence；
The corresponding binary sequence of first IP address binary sequence corresponding with first subnet mask is carried out two
System and operation obtain the first verification sequence；
The corresponding binary sequence of second IP address binary sequence corresponding with second subnet mask is carried out two
System and operation obtain the second verification sequence；
Judge whether the first verification sequence and the described second verification sequence are identical；
First IP address is prompted to be located at carrying for the same network segment with second IP address if so, being sent to the host computer
Show information.
5. a kind of communication equipment, which is characterized in that including：On-site programmable gate array FPGA and memory module；
The memory module, for storing the first IP address；
The FPGA, for detect it is described it is communication device initiated after, first IP address is read from the memory module,
After establishing the network connection between host computer using first IP address, the IP address resetting that the host computer is sent is received
Instruction, in the second IP address storage to the memory module that the IP address reset indication is carried, to the memory module
In first IP address covered and after communication equipment restarting is detected, from the memory module
It is middle to read second IP address, and second IP address is configured to the IP address of the communication equipment.
6. communication equipment according to claim 5, which is characterized in that the FPGA includes：ARP handshake modules；
The ARP handshake modules for receiving the ARP request that the host computer is sent, obtain the target that the ARP request carries
IP address, and judge whether the target ip address and first IP address are identical, if so, by the communication equipment
One MAC Address is sent to the host computer so that the host computer create first IP address and first MAC Address it
Between mapping relations, and can according to first MAC Address to the communication equipment send information.
7. communication equipment according to claim 6, which is characterized in that
The ARP handshake modules are further used for after judging that the target ip address is identical with first IP address, from
The third IP address and the second MAC Address of the host computer are obtained in the ARP request, and stores the third IP address and institute
The mapping relations of the second MAC Address are stated, so that mappings of the FPGA according to the third IP address and second MAC Address
Relationship sends information to the host computer.
8. communication equipment according to claim 6, which is characterized in that further comprise：Flash array；
The FPGA further comprises：Data reception module and data transmission blocks；
The flash array, for storing the data that external data source is sent to the FPGA；
The data reception module for receiving the data that the host computer is sent, and the data received is just stored to institute
It states in flash array；
The data transmission blocks for the data requesting instructions sent according to the host computer, are read from the flash array
Corresponding data are sent to the host computer.
9. communication equipment according to claim 8, which is characterized in that
It is any one or more in the data reception module, the data transmission blocks and the ARP handshake modules, pass through
Hardware description language is developed.
10. according to the communication equipment any in claim 5 to 9, which is characterized in that the FPGA is further used for holding
The following operation of row：
The first subnet mask of first IP address is obtained, obtains the second subnet mask of second IP address；
First IP address, the first subnet mask, the second IP address and the second subnet mask are converted to corresponding two respectively
System sequence；
The corresponding binary sequence of first IP address binary sequence corresponding with first subnet mask is carried out two
System and operation obtain the first verification sequence；
The corresponding binary sequence of second IP address binary sequence corresponding with second subnet mask is carried out two
System and operation obtain the second verification sequence；
Judge whether the first verification sequence and the described second verification sequence are identical；
First IP address is prompted to be located at carrying for the same network segment with second IP address if so, being sent to the host computer
Show information.
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