CN104378456B - A kind of IP Address in LAN distributes optimization method - Google Patents
A kind of IP Address in LAN distributes optimization method Download PDFInfo
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- CN104378456B CN104378456B CN201410666700.4A CN201410666700A CN104378456B CN 104378456 B CN104378456 B CN 104378456B CN 201410666700 A CN201410666700 A CN 201410666700A CN 104378456 B CN104378456 B CN 104378456B
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- address
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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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of IP Address in LAN to distribute optimization method.This method first builds IP address of terminal allocation table and free IP addresses list,When there is terminal request to access route,First determine that the MAC Address of the terminal belongs in IP address of terminal allocation table whether the IP address IP address corresponding with the terminal MAC address stored in IP address of terminal allocation table that the MAC Address stored judges that this request of the terminal accesses route again matches,Upon a match,The current state for recording the IP address is 1,When mismatching,Further according to the terminal, this asks the affiliated situation of IP address that access is route to determine the distribution of IP address,So even if allocated IP address is under non-access state when the terminal of its distribution,IP address can also be utilized temporarily,Improve the utilization of resources of IP address,Simultaneously,The problem of also for IP address conflict is avoided the occurrence of.
Description
Technical field
The invention belongs to IP address to distribute field, more says it is a kind of IP Address in LAN distribution optimization method.
Background technology
Internet protocol address(English:Internet Protocol Address, are translated into internet protocol address again), contracting
It is written as IP address(IP Address).IP address is a kind of unified address format that IP agreement provides, and it is on internet
One logical address of each network and each host assignment, the difference of physical address is shielded with this.
Static allocation IP address is to show each computer all to distribute a fixed IP address, and advantage is easy for pipe
Reason.Static ip address is particularly in the LAN of network traffics is limited according to IP address, with fixed IP address or IP address
Flow caused by packet is according to managing, can exempt user when by user mode charging and surf the Net every time the body that must all carry out
The complicated processes of part certification, while it also avoid the embarrassment that user often forgets about password.The weakness of static allocation IP address is to close
The address of method user distribution may illegally be usurped, and not only the normal use of network is impacted, simultaneously because stolen
Address often has higher authority, thus is also easily caused damage and potential potential safety hazard to validated user.Solve this
The common method of problem is ip-mac address bindings, and usually the another kinds for gateway are to set static arp tables, local
In net between the computer of exchanging visit in need, not spoofed to ensure, if necessary, each must all set the computer to be exchanged visits
Static arp tables, but so MAC Address binding, the IP address is only capable of being used by the MAC Address, due to the IP of a network segment
Location is limited, and when IP address is under idle condition, remaining MAC Address can not also use temporarily, cause the wave of IP address
Take.
Such as application number " 200910205983.1 ", denomination of invention " recovery method and device of predistribution IP address " this hair
Bright embodiment discloses a kind of recovery method and device for pre-allocating IP address, is related to the communications field, realization will not used
Predistribution IP address discharge in time, avoid causing the waste of IP address resource.The present invention includes:Receive home agent or sheet
The user terminal access request message that ground mobile anchor point is sent, user terminal mark is included in the user terminal access request message
Know and determine to distribute to the IP address that the user terminal uses;The user terminal is inquired about according to the user terminal identification
IP address assignment record, chosen from the IP address pre-allocated for the user terminal and be not yet assigned to what the user terminal used
IP address;Reclaim the IP address for being not yet assigned to the user terminal and using of the selection.The embodiment of the present invention is mainly used in using
During family terminal request networks.The predistribution IP address that the above method solves the problems, such as to be not used is released in time
Put, avoid causing the waste of IP address resource, but when this method can not solve to the allocated IP address, when the IP address
When corresponding terminal is not used, the problem of the wasting of resources of IP address.
The content of the invention
The technical problems to be solved by the invention are:There is provided it is a kind of according to IP address current state come to the allocated
IP address utilizes to solve the IP Address in LAN of IP address wasting of resources distribution optimization method temporarily.
In order to solve the above technical problems, a kind of IP Address in LAN distribution optimization method of the present invention, comprises the following steps:
Step 1, route is arranged to IP address static allocation and non-mac address filter pattern;
Step 2, IP address of terminal allocation table and free IP addresses list are established, wherein, IP address of terminal allocation table is used for
Storage is already allocated to the IP address of each terminal and corresponding terminal MAC address, and free IP addresses list is used to store the net
Unappropriated IP address in section;
Step 3, when there is terminal request to access route, judge whether the MAC Address of the terminal belongs to IP address of terminal point
With the MAC Address stored in table, if so, then performing step 4;Otherwise, step 7 is performed;
Step 4, judge that this request of the terminal accesses the IP address routeing and is somebody's turn to do with what is stored in IP address of terminal allocation table
Whether IP address corresponding to terminal MAC address matches, if matching, the current state for recording the IP address represents for 1,1
Terminal corresponding to the IP address is in access state;If not matching that, step 5 is performed;
Step 5, judge that this request of the terminal accesses the affiliated situation of IP address of route:
A, when belonging to IP address corresponding to other-end MAC Address in IP address of terminal allocation table, the IP address is judged
Current state whether be 1, if so, then prompting the IP address of terminal to take, if it is not, being then allocated temporarily to the IP address
The terminal, remember that the current state of the IP address represents that terminal corresponding to the IP address is in non-access state for 0,0;
B, when belonging in free IP addresses list the IP address that stores, then by terminal MAC in IP address of terminal allocation table
It is 1 that corresponding IP address refreshing, which is the IP address of this request access route and records the current state of the IP address, renewal sky
Not busy IP address list;
C, when being both not belonging in IP address of terminal allocation table IP address corresponding to other-end MAC Address or be not belonging to the free time
During the IP address stored in IP address list, then step 6 is performed;
Step 6, judge that this request of the terminal accesses the IP address that the IP address routeing is not belonging to the same network segment of the route;
Step 7, judge whether IP address that this request of the terminal accesses route belongs in free IP addresses list and store
IP address, if so, then correspondingly store the MAC Address of the terminal and IP address into IP address of terminal allocation table, and remember should
The current state of IP address is 1, updates free IP addresses list.
Preferably, in IP Address in LAN distribution optimization method of the present invention, in addition to IP address is allocated temporarily to terminal
In the case of, when terminal MAC address request accesses corresponding to the IP address in IP address of terminal allocation table, preferably allow for terminal
The access request of terminal MAC address corresponding to the IP address in IP address allocation table, forbid the terminal of interim distribution IP address
Access.
Preferably, in IP Address in LAN distribution optimization method of the present invention, B updates free IP addresses list in step 5,
Specially by terminal MAC in IP address of terminal allocation table, originally corresponding IP address is added in free IP addresses list, and
This request accesses the IP address of route from free IP addresses list.
Preferably, in IP Address in LAN distribution optimization method of the present invention, free IP addresses list is updated in step 7,
IP address will be specially stored into IP address of terminal allocation table to delete from free IP addresses list.
Preferably, in IP Address in LAN distribution optimization method of the present invention, routing address uses C classes address.
Compared with prior art, the present invention has the advantages that:Current state of the invention by recording IP address
To determine whether terminal corresponding to the IP address is in access state so as to determine whether IP address can be taken temporarily, so make
Even if obtaining allocated IP address when terminal of its distribution is under non-access state, IP address can also be utilized temporarily, be improved
The utilization of resources of IP address, meanwhile, the problem of also for IP address conflict is avoided the occurrence of, as terminal MAC corresponding to IP address
When Address requests access, the access request of terminal MAC address corresponding to the IP address in IP address of terminal allocation table is preferably allowed for,
Forbid the access of the terminal of interim distribution IP address.
Embodiment
A kind of IP Address in LAN distribution optimization method of the present invention, comprises the following steps:
Step 1, route is arranged to IP address static allocation and non-mac address filter pattern;
Step 2, IP address of terminal allocation table and free IP addresses list are established, wherein, IP address of terminal allocation table is used for
Storage is already allocated to the IP address of each terminal and corresponding terminal MAC address, and free IP addresses list is used to store the net
Unappropriated IP address in section;
Step 3, when there is terminal request to access route, judge whether the MAC Address of the terminal belongs to IP address of terminal point
With the MAC Address stored in table, if so, then performing step 4;Otherwise, step 7 is performed;
Step 4, judge that this request of the terminal accesses the IP address routeing and is somebody's turn to do with what is stored in IP address of terminal allocation table
Whether IP address corresponding to terminal MAC address matches, if matching, the current state for recording the IP address represents for 1,1
Terminal corresponding to the IP address is in access state;If not matching that, step 5 is performed;
Step 5, judge that this request of the terminal accesses the affiliated situation of IP address of route:
A, when belonging to IP address corresponding to other-end MAC Address in IP address of terminal allocation table, the IP address is judged
Current state whether be 1, if so, then prompting the IP address of terminal to take, if it is not, being then allocated temporarily to the IP address
The terminal, remember that the current state of the IP address represents that terminal corresponding to the IP address is in non-access state for 0,0, now, when
When terminal MAC address request accesses corresponding to the IP address in IP address of terminal allocation table, IP address of terminal is preferably allowed for distribute
The access request of terminal MAC address corresponding to the IP address in table, forbid the access of the terminal of interim distribution IP address;
B, when belonging in free IP addresses list the IP address that stores, then by terminal MAC in IP address of terminal allocation table
It is 1 that corresponding IP address refreshing, which is the IP address of this request access route and records the current state of the IP address, renewal sky
Not busy IP address list, specially by terminal MAC in IP address of terminal allocation table, originally corresponding IP address is added to idle IP
In address list, and this request accesses the IP address of route from free IP addresses list;
C, when being both not belonging in IP address of terminal allocation table IP address corresponding to other-end MAC Address or be not belonging to the free time
During the IP address stored in IP address list, then step 6 is performed;
Step 6, judge that this request of the terminal accesses the IP address that the IP address routeing is not belonging to the same network segment of the route;
Step 7, judge whether IP address that this request of the terminal accesses route belongs in free IP addresses list and store
IP address, if so, then correspondingly store the MAC Address of the terminal and IP address into IP address of terminal allocation table, and remember should
The current state of IP address is 1, updates free IP addresses list, will specially store the IP address into IP address of terminal allocation table
Deleted from free IP addresses list.
The present invention first builds IP address of terminal allocation table and free IP addresses list, when there is terminal request to access route,
First determine that the MAC Address of the terminal belongs in IP address of terminal allocation table the MAC Address stored and judges this request of the terminal again
Access route IP address IP address corresponding with the terminal MAC address stored in IP address of terminal allocation table whether phase
Match somebody with somebody, upon a match, the current state for recording the IP address is 1, and when mismatching, further according to the terminal, this request accesses route
IP address affiliated situation determine the distribution of IP address, so that even if allocated IP address works as the end of its distribution
Under non-access state, IP address can also be utilized temporarily, improve the utilization of resources of IP address, meanwhile, also for avoiding out
The problem of existing IP address conflict.
Embodiment
C classes address, C class address realms are used in the present embodiment:192.0.0.1 223.255.255.255 is arrived;C classes address
Default subnet mask is 255.255.255.0, and the IP address of the same network segment used in the present embodiment is 192.168.1.2-
192.168.1.254;
It is as follows to build IP address of terminal allocation table A and free IP addresses list B.:
Table A:
Terminal MAC address | The IP address of corresponding distribution |
60-EC-79-C1-67-D5 | 192.168.1.77 |
51-FE-56-D7-89-C2 | 192.168.1.34 |
56-DF-34-F2-49-F1 | 192.168.1.12 |
59-D5-23-D7-22-D2 | 192.168.1.68 |
51-AD-53-E7-59-D2 | 192.168.1.243 |
Wherein, the IP address in free IP addresses list B being the same network segment is 192.168.1.2-192.168.1.254
In other IP address in addition to five stored IP address of Table A;
Work as terminal MAC address:56-DF-34-F2-49-F1, IP address:192.168.1.12 when request accesses route, by
In the terminal MAC address belong to the terminal MAC address stored in Table A and IP address also with the terminal MAC address is corresponding in Table A deposits
The IP address of storage matches, then the current state for now remembering 192.168.1.12 is 1.
Work as terminal MAC address:59-D5-23-D7-22-D2, IP address:192.168.1.55 when request accesses route, by
In the terminal MAC address belong to the terminal MAC address stored in Table A but the IP address with the terminal MAC address is corresponding in Table A deposits
The IP address of storage does not match that the IP address belongs in free IP addresses list B the IP address stored, now updates Table A and sky
Not busy IP address list B, the current state for remembering 192.168.1.55 are 1
Table A after renewal:
Terminal MAC address | The IP address of corresponding distribution |
60-EC-79-C1-67-D5 | 192.168.1.77 |
51-FE-56-D7-89-C2 | 192.168.1.34 |
56-DF-34-F2-49-F1 | 192.168.1.12 |
59-D5-23-D7-22-D2 | 192.168.1.55 |
51-AD-53-E7-59-D2 | 192.168.1.243 |
Update free IP addresses list B:It will be deleted in 192.168.1.55 in idle IP address list B, will
192.168.1.68 added in free IP addresses list B.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to this
The restriction of the embodiment of invention.For those of ordinary skill in the field, on the basis of the above description can be with
Make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these belong to
Protection scope of the present invention is still fallen within the obvious changes or variations that the connotation of the present invention is extended out.
Claims (5)
1. a kind of IP Address in LAN distributes optimization method, it is characterised in that comprises the following steps:
Step 1, route is arranged to IP address static allocation and non-mac address filter pattern;
Step 2, IP address of terminal allocation table and free IP addresses list are established, wherein, IP address of terminal allocation table is used to store
The IP address of each terminal and corresponding terminal MAC address are already allocated to, free IP addresses list is used to store in the network segment
Unappropriated IP address;
Step 3, when have terminal request access route when, judge whether the MAC Address of the terminal belongs to IP address of terminal allocation table
The MAC Address of middle storage, if so, then performing step 4;Otherwise, step 7 is performed;
Step 4, judge that this request of the terminal accesses the IP address of route and the terminal stored in IP address of terminal allocation table
Whether IP address corresponding to MAC Address matches, if matching, the current state for recording the IP address represents the IP for 1,1
Terminal corresponding to address is in access state;If not matching that, step 5 is performed;
Step 5, judge that this request of the terminal accesses the affiliated situation of IP address of route:
A, when belonging to IP address corresponding to other-end MAC Address in IP address of terminal allocation table, working as the IP address is judged
Whether preceding state is 1, if so, then prompting the IP address of terminal to take, if it is not, the IP address then is allocated temporarily into the end
End, remember that the current state of the IP address represents that terminal corresponding to the IP address is in non-access state for 0,0;
B, it is when belonging in free IP addresses list the IP address that stores, then terminal MAC in IP address of terminal allocation table is corresponding
IP address to refresh be that this request accesses the IP address routeing and record the current state of the IP address be 1, update idle IP
Address list;
C, when being both not belonging in IP address of terminal allocation table IP address corresponding to other-end MAC Address or with being not belonging to idle IP
During the IP address stored in the list of location, then step 5 is performed;
Step 6, judge that this request of the terminal accesses the IP address that the IP address routeing is not belonging to the same network segment of the route;
Step 7, judge whether the IP address that this request of the terminal accesses route belongs in free IP addresses list the IP stored
Address, if so, then correspondingly store the MAC Address of the terminal and IP address into IP address of terminal allocation table, and with remembering the IP
The current state of location is 1, updates free IP addresses list.
2. IP Address in LAN distribution optimization method according to claim 1, it is characterised in that also interim including IP address
It is excellent when terminal MAC address request accesses corresponding to the IP address in IP address of terminal allocation table in the case of distributing to terminal
Choosing allows the access request of terminal MAC address corresponding to the IP address in IP address of terminal allocation table, forbids temporarily with distributing IP
The access of the terminal of location.
3. IP Address in LAN distribution optimization method according to claim 1, it is characterised in that situation B updates in step 5
Free IP addresses list, specially by terminal MAC in IP address of terminal allocation table, originally corresponding IP address is added to the free time
In IP address list, and the IP address that this request accesses route is deleted from free IP addresses list.
4. IP Address in LAN distribution optimization method according to claim 1, it is characterised in that updated in step 7 idle
IP address list, it will specially store into IP address of terminal allocation table IP address and be deleted from free IP addresses list.
5. IP Address in LAN distribution optimization method according to claim 1, it is characterised in that the routing address uses
C classes address.
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CN105872130A (en) * | 2016-06-14 | 2016-08-17 | 浪潮电子信息产业股份有限公司 | Method for distributing IP (Internet Protocol) addresses and cloud management platform |
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CN109769030B (en) * | 2019-02-02 | 2022-01-11 | 京东科技控股股份有限公司 | Method and apparatus for controlling access of applications |
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CN113438330A (en) * | 2021-05-07 | 2021-09-24 | 安徽亮亮电子科技有限公司 | Adaptive local area network address allocation method for LED lamp |
CN115604228A (en) * | 2021-07-12 | 2023-01-13 | 中移(成都)信息通信科技有限公司(Cn) | Communication method, device and storage medium |
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