CN106603750A - Method and system for configuring local static network address - Google Patents

Method and system for configuring local static network address Download PDF

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Publication number
CN106603750A
CN106603750A CN201710054649.5A CN201710054649A CN106603750A CN 106603750 A CN106603750 A CN 106603750A CN 201710054649 A CN201710054649 A CN 201710054649A CN 106603750 A CN106603750 A CN 106603750A
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China
Prior art keywords
address
mac address
equipment
mac
network
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CN201710054649.5A
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CN106603750B (en
Inventor
肖志均
陈锦宇
黎博闻
曾恺若
吉安辉
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CRRC Times Electric Co Ltd
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Priority to CN201710054649.5A priority Critical patent/CN106603750B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation
    • H04L61/5038Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation
    • H04L61/5092Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/622Layer-2 addresses, e.g. medium access control [MAC] addresses

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a method for configuring a local static network address, comprising the following steps: S1, acquiring a first IP address, a second IP address, and a first subnet mask address; S2, capturing an LLDP data packet connected by a device to a network, reading link layer data, and acquiring a third IP address, a first MAC address, a second MAC address, and a second subnet mask address; S3, calculating out a fourth IP address according to the third IP address, the first MAC address and the second MAC address; and S4, when a predetermined condition is met, configuring the IP address in the local configuration file of the device as the fourth IP address; or, configuring the IP address in the network card of the device as the first IP address. The method has the following advantages: the method can ensure that the network addresses in the whole network do not conflict or repeat; the method needs no human intervention, and the method is of high efficiency and low cost.

Description

A kind of method and system for configuring local static network address
Technical field
The present invention relates to a kind of Ethernet field, more particularly to a kind of local static network address of configuration method and be System.
Background technology
The network address intelligent configuration method of Ethernet access equipment has various, and presently most popular divides for DHCP dynamics Method of completing the square, using DHCP method configure be dynamic network address, i.e., have a Dynamic Host Configuration Protocol server in network system, specially For providing network address distribution service for terminal unit.Its basic process is that terminal access device is taken to the DHCP in network Business device sends distribution network address request, after DHCP receives request, the network address is sent in the way of replying frame The equipment, after the equipment receives the Frame for including the network address, extracts the network address, and by local network ground Location is set to the network address.It is exactly to be configured by manual type in addition, basic skills is corresponding by being manually entered The manual configuration of the network address is carried out in terminal access device.
But, using DHCP Configuration networks address, must be requested that can only have one in whole network and must have one Dynamic Host Configuration Protocol server, in other words the same network address can only be distributed by Dynamic Host Configuration Protocol server, and distribute is dynamic network Address;If Dynamic Host Configuration Protocol server is not present or failure, cannot just distribute the network address, terminal unit cannot use network;And And DHCP is possible to cause network address collision phenomenon to occur in distribution, it is impossible to accomplish accurate in complete meaning; Meanwhile, the network address can not be assigned to which the equipment of some position, that is to say, that cannot be direct by the network address Navigate to the terminal access device.Using manual type, network is carried out for long-range, hidden or large number of terminal unit Will exist during address configuration take time and effort, high cost, the low shortcoming of efficiency, and very likely because accidentally artificial Slip up and cause network address collision or other hidden danger.
The content of the invention
The technical problem to be solved in the present invention is that:For the technical problem that prior art is present, the present invention provides one Plant and can ensure that the network address in whole network does not conflict, do not repeat, it is not necessary to human intervention, efficiency high, the configuration of low cost The method and system of local static network address.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is:A kind of local static network address of configuration Method, comprises the steps:
S1. obtain the first IP address:LocalIPAddressFromEthFile, the second IP address: LocalIPAddressFromNetAdapter, the first subnet mask address:LocalSubnetMask;First IP address For the IP address in equipment local profile, second IP address is the IP address in the local network interface card of equipment, described first Subnet mask address is the subnet mask address in equipment local profile;
S2. the LLDP packets in equipment institute access network are captured, link layer data is read, the 3rd IP address is obtained: EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address:InterfaceMacAddress, second Subnet mask address:EACNSubnetMask;3rd IP address is the IP address of the switch being connected with the equipment, institute State the MAC Address that the first MAC Address is the switch, second MAC Address is to connect with the equipment in the switch The MAC Address of the interface for connecing, the second subnet mask address are the subnet mask address of the switch;
S3. the 4th IP address is calculated according to the 3rd IP address, the first MAC Address and the second MAC Address: LocalDesignIPAddress;
S4. when first IP address and the 3rd IP address are located at the same network segment, and the 3rd IP address meets default First condition, when the 4th IP address meets default second condition, by the network interface card of the equipment IP address configure For the 4th IP address, the IP address in the equipment local profile is configured to into the 4th IP address;Otherwise will be described IP address in the network interface card of equipment is configured to first IP address.
As a further improvement on the present invention, the concrete steps of step S3 include:
S3.1. IP address alternate field is calculated according to the 3rd IP address, the first MAC Address and the second MAC Address: LocalIPLastNo;
S3.2. the first character section that the 3rd IP address starts from low level is substituted with the IP address alternate field, obtains the Four IP address.
As a further improvement on the present invention, the concrete steps of step S3.1 include:Extract the 3rd IP address The value of the first preset byte, the value of second preset byte of the first MAC Address, the 3rd preset byte of the second MAC Address Value, by default numerical computational formulas, be calculated the IP address alternate field.
As a further improvement on the present invention, first preset byte is first that the 3rd IP address starts from low level Byte, second preset byte are the first character section that the first MAC Address starts from low level;3rd preset byte is the The first character section that two MAC Address start from low level.
As a further improvement on the present invention, the numerical computations refer to started from low level to the 3rd IP address The first character section that the first character section and the second MAC Address that byte, the first MAC Address start from low level starts from low level Carry out mathematics plus and minus calculation, and to take the least-significant byte of result of calculation absolute value be the IP address alternate field.
As a further improvement on the present invention, the default first condition the 3rd IP address is from the beginning of low level The span of the value of second byte is [1,253].
As a further improvement on the present invention, the default second condition the 4th IP address is from the beginning of low level The span of the value of first character section is [5,250].
As a further improvement on the present invention, in equipment institute access network can not be grabbed in step S2 During LLDP packets, the IP address in the network interface card of the equipment is configured to into first IP address.
As a further improvement on the present invention, also including local MAC Address of Network Card is configured the step of:SA. obtain the 3rd MAC Address:LocalMacAddressFromEthFile, the 4th MAC Address:LocalMacAddressFromNetAdapter; 3rd MAC Address is the MAC Address of the network interface card in the equipment local profile, and the 4th MAC Address is described MAC Address in equipment network interface card;
SB. the 5th MAC ground is generated according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP address Location:LocalDesignMacAddress;
SC. when first IP address and the 3rd IP address are located at the same network segment, and the 3rd IP address meets default First condition, when the 4th IP address meets default second condition, by the network interface card of the equipment MAC Address configure For the 5th MAC Address, the MAC Address of the network interface card in the equipment local profile is configured to into the 5th MAC Address;It is no The MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address then.
As a further improvement on the present invention, the concrete steps of step SB include:Extract first MAC Address The value of the 5th preset byte of the value of the 4th preset byte and second MAC Address carries out numerical computations, obtains MAC Address and replaces For field;Second word that 3rd MAC Address starts from low level is substituted with the 6th preset byte of the 3rd IP address Section, substitutes the first character section that the 3rd MAC Address starts from low level with the MAC Address alternate field, obtains the 5th MAC Address.
As a further improvement on the present invention, the 4th preset byte is first that the first MAC Address starts from low level Individual byte, the 5th preset byte is the first character section that second MAC Address starts from low level, the 6th predetermined word Save second byte started from low level for the 3rd IP address.
As a further improvement on the present invention, in equipment institute access network can not be grabbed in step S2 During LLDP packets, the MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address.
A kind of system of the local static network address of configuration, including local address acquisition module, network address acquisition module, Address calculation module and address configuration module;
The local address acquisition module is used for LocalIPAddressFromEthFile, the second IP address: LocalIPAddressFromNetAdapter, the first subnet mask address:LocalSubnetMask;First IP address For the IP address in equipment local profile, second IP address is the IP address in the local network interface card of equipment, described first Subnet mask address is the subnet mask address in equipment local profile;
The network address acquisition module is used to capture the LLDP packets in equipment institute access network, reads the link number of plies According to the 3rd IP address of acquisition:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address: InterfaceMacAddress, the second subnet mask address:EACNSubnetMask;3rd IP address is to set with described The IP address of the switch of standby connection, first MAC Address is the MAC Address of the switch, and second MAC Address is The MAC Address of the interface being connected with the equipment in the switch, the second subnet mask address are the switch Subnet mask address;
The address calculation module is used to capture the LLDP packets in equipment institute access network, reads link layer data, Obtain the 3rd IP address:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address: InterfaceMacAddress;3rd IP address is the IP address of the switch being connected with the equipment, described first MAC Address is the MAC Address of the switch, second MAC Address be in the switch with connecing that the equipment is connected The MAC Address of mouth;
The address configuration module is used for when first IP address and the 3rd IP address are located at the same network segment, and described the Three IP address meet default first condition, when the 4th IP address meets default second condition, by the net of the equipment IP address in card is configured to the 4th IP address, and the IP address in the equipment local profile is configured to the 4th IP Address;The IP address in the network interface card of the equipment is configured to into first IP address otherwise.
As a further improvement on the present invention, the address configuration module be additionally operable to when the network address acquisition module not When can grab the LLDP packets in equipment institute access network, the IP address in the network interface card of the equipment is configured to into institute State the first IP address.
As a further improvement on the present invention, the local address acquisition module is additionally operable to obtain the 3rd MAC Address: LocalMacAddressFromEthFile, the 4th MAC Address:LocalMacAddressFromNetAdapter;Described 3rd MAC Address is the MAC Address of the network interface card in the equipment local profile, and the 4th MAC Address is the equipment network interface card In MAC Address;
The address calculation module is additionally operable to according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP Address generates the 5th MAC Address:LocalDesignMacAddress;
The address configuration module is additionally operable to be located at the same network segment with the 3rd IP address when first IP address, and described 3rd IP address meets default first condition, when the 4th IP address meets default second condition, by the equipment MAC Address in network interface card is configured to the 5th MAC Address, by the MAC Address of the network interface card in the equipment local profile It is configured to the 5th MAC Address;The MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address otherwise.
As a further improvement on the present invention, the address configuration module be additionally operable to when the network address acquisition module not When can grab the LLDP packets in equipment institute access network, the MAC Address in the network interface card of the equipment is configured to 3rd MAC Address.
Compared with prior art, it is an advantage of the current invention that:
1st, the present invention does not need human intervention, it is not required that server or address arrange device, you can is automatically performed terminal access and sets The intelligent static configuration of the standby network address, efficiency high, low cost, accuracy rate are high, it is ensured that the network address in whole network is not Conflict, do not repeat.
Description of the drawings
Fig. 1 is the schematic flow sheet of specific embodiment of the invention IP address configuration.
Fig. 2 is the schematic flow sheet of specific embodiment of the invention MAC Address configuration.
Specific embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but not therefore and Limit the scope of the invention.
As shown in figure 1, a kind of method of the local static network address of configuration of the present embodiment, step is:On terminal unit After electrically activating, the first IP address is obtained:LocalIPAddressFromEthFile, the second IP address: LocalIPAddressFromNetAdapter, the first subnet mask address:LocalSubnetMask;First IP address is to set IP address in standby local profile, the second IP address are the IP address in the local network interface card of equipment, the first subnet mask address For the subnet mask address in equipment local profile;Second IP address is the IP address configured by terminal unit network interface card.
In the present embodiment, terminal unit electricity on local network interface card, can normally after use, in capture apparatus institute access network LLDP(Link Layer Discovery Protocol, Link Layer Discovery Protocol)Packet, reads link layer data, obtains Take the 3rd IP address:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address: InterfaceMacAddress, the second subnet mask address:EACNSubnetMask;3rd IP address is to be connected with equipment The IP address of switch, MAC Address of first MAC Address for switch, the second MAC Address are to be connected with equipment in switch The MAC Address of interface, subnet mask address of the second subnet mask address for switch.
In the present embodiment, step S3 is concretely comprised the following steps:S3.1. according to the 3rd IP address, the first MAC Address and Two MAC Address calculate IP address alternate field:LocalIPLastNo;S3.2. the 3rd IP ground is substituted with IP address alternate field The first character section that location starts from low level, obtains the 4th IP address.The concrete steps of step S3.1 include:Extract the 3rd IP address The value of the first preset byte, the value of first the second preset byte of MAC Address, the value of the 3rd preset byte of the second MAC Address, pass through Default numerical computational formulas, are calculated IP address alternate field.Certainly, the first preset byte, the second preset byte and Three preset bytes can also select the bytes different from the present embodiment.
In the present embodiment, the first character section started from low level in the 3rd IP address is extracted, is designated as:IPLastNo.If 3rd IP address is:192.168.111.222, then IPLastNo is 222.Extract that the first MAC Address starts from low level first Individual byte, is designated as EACNMacLastNo.If the first MAC Address is 11-20-58-F4-72-A1, then EACNMacLastNo is A1.The first character section started from low level in extracting the second MAC Address, is designated as InterfaceMacLastNo.If the 2nd MAC ground Location is 23-E2-58-33-22-F5, then InterfaceMacLastNo is F5.
In the present embodiment, IP address alternate field is obtained by following mathematical calculation:LocalIPLastNo. LocalIPLastNo = IPLastNo + InterfaceMacLastNo – EACNMacLastNo.In the present embodiment, The value of LocalIPLastNo is(222+ F5- A1)Result of calculation absolute value takes the value of its least-significant byte.Due to 222 be decimal scale Value, A1 and F5 are the value of 16 systems, therefore, need to be converted into identical system in calculating process, then carry out plus-minus calculating, Obtain the result of correspondence system.245-161=306 of LocalIPLastNo=222+F5- A1=222+, its binary representation For 100110010, its least-significant byte is taken for 00110010, decimal value is 50.
In the present embodiment, the first character section that the 3rd IP address starts from low level is substituted with LocalIPLastNo, obtain 4th IP address:LocalDesignIPAddress.In the present embodiment, the 4th IP address LocalDesignIPAddress For:192.168.111.50.
In the present embodiment, when the first IP address and the 3rd IP address are located at the same network segment, and the 3rd IP address meets pre- If first condition, when the 4th IP address meets default second condition, the IP address in the network interface card of equipment is configured to into the 4th IP address in equipment local profile is configured to the 4th IP address by IP address;Otherwise by the IP ground in the network interface card of equipment Location is configured to the first IP address.In the present embodiment, by the first IP address, the 3rd IP address, and with the first IP address and 3rd IP address distinguishes corresponding first subnet mask address and the second subnet mask address, you can with determine the first IP address and Whether the 3rd IP address belongs to the same network segment, when the same network segment is belonged to, illustrates that the switch is credible, performs subsequent step, when When being not belonging to the same network segment, illustrate that the switch is insincere, the first IP address is directly configured to the IP address of equipment network interface card.
In the present embodiment, default first condition is taking for the value of second byte that the 3rd IP address starts from low level Value scope is [1,253].Default second condition is the value model of the value of the first character section that the 4th IP address starts from low level Enclose for [5,250].The span and the 4th IP ground of the value of second byte started from low level by the 3rd IP address of regulation The span of the value of the first character section that location starts from low level is judged, can prevent IP address from occurring abnormal, cause wide The problems such as broadcasting storm.
In the present embodiment, when terminal unit cannot capture LLDP packets by network, such as network card status exception, or Person's crawl LLDP packet time-out etc., i.e., cannot be calculated the 4th IP address by above-mentioned step.Directly judge an IP Whether address is equal to the second IP address, equal to configuration is then terminated, is not equal to, and the IP address in the network interface card of equipment is configured to the One IP address.
In the present embodiment, for the network interface card of some manufacturer productions, there may not be unique MAC Address.Therefore, make During with such network interface card, need for the network card configuration MAC Address.In the present embodiment, as shown in Fig. 2 terminal equipment configuration is local The step of MAC Address of Network Card is:SA. obtain the 3rd MAC Address:LocalMacAddressFromEthFile, the 4th MAC ground Location:LocalMacAddressFromNetAdapter;MAC ground of 3rd MAC Address for the network interface card in equipment local profile Location, the 4th MAC Address are the MAC Address in equipment network interface card;SB. according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP address, the 5th MAC Address of generation:LocalDesignMacAddress;SC. when the first IP address The same network segment is located at the 3rd IP address, and the 3rd IP address meets default first condition, the 4th IP address meets default During second condition, the MAC Address in the network interface card of equipment is configured to into the 5th MAC Address, by the net in equipment local profile The MAC Address of card is configured to the 5th MAC Address;The MAC Address in the network interface card of equipment is configured to into the 3rd MAC Address otherwise.
In the present embodiment, the value and second MAC Address of the 4th preset byte of first MAC Address are extracted The value of the 5th preset byte carries out numerical computations, obtains MAC Address alternate field;With the 6th predetermined word of the 3rd IP address Section substitutes second byte that the 3rd MAC Address starts from low level, substitutes the described 3rd with the MAC Address alternate field The first character section that MAC Address starts from low level, obtains the 5th MAC Address.4th preset byte be the first MAC Address from The first character section that low level starts, the 5th preset byte are the first character section that second MAC Address starts from low level, 6th preset byte is second byte that the 3rd IP address starts from low level.
In the present embodiment, if the first MAC Address is 11-20-58-F4-72-A1, the second MAC Address is 23-E2-58- 33-22-F5, then it is F5-A1=54 that MAC Address replaces field, and F5, A1 and 54 are hexadecimal value, MAC Address replacement word The value of section is result of calculation and takes absolute value.In the present embodiment, if the 3rd MAC Address is 2A-FA-23-87-5C-B8, the 3rd IP address is:192.168.111.222, the value of second byte that the 3rd IP address starts from low level is 111, is converted to 16 Enter to be made as 6F.5C in 3rd MAC Address is substituted with 6F, the B8 in the 3rd MAC Address of replacement of field 54 is replaced with MAC Address, Then the 5th MAC Address is 2A-FA-23-87-6F-54.When the 3rd MAC Address is equal to four MAC Address, by terminal unit MAC Address in network interface card is configured to the 5th MAC Address, and the MAC Address of the network interface card in terminal unit local profile is configured For the 5th MAC Address.The MAC Address in the network interface card of terminal unit is configured to into the 3rd MAC Address otherwise.
In the present embodiment, when terminal unit cannot capture LLDP packets by network, such as network card status exception, or Person's crawl LLDP packet time-out etc., i.e., cannot be calculated the 4th IP address by above-mentioned step.Directly judge the 3rd MAC Whether address is equal to the 4th MAC Address, equal to configuration is then terminated, does not wait and then configures the MAC Address in the network interface card of terminal unit For the 3rd MAC Address.
The system of the local static network address of configuration of the present embodiment, including local address acquisition module, the network address obtain Delivery block, address calculation module and address configuration module;Local address acquisition module is used for LocalIPAddressFromEthFile, the second IP address:LocalIPAddressFromNetAdapter, the first subnet are covered Code address:LocalSubnetMask;First IP address is the IP address in equipment local profile, and the second IP address is to set IP address in standby local network interface card, the first subnet mask address are the subnet mask address in equipment local profile;Network The LLDP packets that address acquisition module is used in capture apparatus institute access network, read link layer data, obtain the 3rd IP ground Location:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address:InterfaceMacAddress, Second subnet mask address:EACNSubnetMask;3rd IP address is the IP address of the switch being connected with equipment, first MAC Address of the MAC Address for switch, the MAC Address of interface of second MAC Address to be connected with equipment in switch, second Subnet mask address of the subnet mask address for switch;The LLDP that address calculation module is used in capture apparatus institute access network Packet, reads link layer data, obtains the 3rd IP address:EACNIPAddress, the first MAC Address: EACNMacAddress, the second MAC Address:InterfaceMacAddress;3rd IP address is the switch being connected with equipment IP address, MAC Address of first MAC Address for switch, the second MAC Address are the interface being connected with equipment in switch MAC Address;Address configuration module is used to be located at the same network segment when the first IP address and the 3rd IP address, and the 3rd IP address meets IP address in the network interface card of equipment, when the 4th IP address meets default second condition, is configured to by default first condition IP address in equipment local profile is configured to the 4th IP address by four IP address;Otherwise by the IP in the network interface card of equipment Address configuration is the first IP address.
In the present embodiment, address configuration module is additionally operable to be accessed when network address acquisition module can not grab equipment During LLDP packets in network, the IP address in the network interface card of equipment is configured to into the first IP address.
In the present embodiment, local address acquisition module is additionally operable to obtain the 3rd MAC Address: LocalMacAddressFromEthFile, the 4th MAC Address:LocalMacAddressFromNetAdapter;3rd MAC MAC Address of the address for the network interface card in equipment local profile, the 4th MAC Address are the MAC Address in equipment network interface card;Address Computing module is additionally operable to generate the 5th according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP address MAC Address:LocalDesignMacAddress;Address configuration module is additionally operable to when the first IP address is located at the 3rd IP address The same network segment, and the 3rd IP address meets default first condition, when the 4th IP address meets default second condition, by equipment Network interface card in MAC Address be configured to the 5th MAC Address, the MAC Address of the network interface card in equipment local profile is configured to 5th MAC Address;The MAC Address in the network interface card of equipment is configured to into the 3rd MAC Address otherwise.
In the present embodiment, address configuration module is additionally operable to be accessed when network address acquisition module can not grab equipment During LLDP packets in network, the MAC Address in the network interface card of equipment is configured to into the 3rd MAC Address.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although of the invention It is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, it is every without departing from technical solution of the present invention Content, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall In the range of technical solution of the present invention protection.

Claims (16)

1. the method for the local static network address of a kind of configuration, it is characterised in that comprise the steps:
S1. obtain the first IP address:LocalIPAddressFromEthFile, the second IP address: LocalIPAddressFromNetAdapter, the first subnet mask address:LocalSubnetMask;First IP address For the IP address in equipment local profile, second IP address is the IP address in the local network interface card of equipment, described first Subnet mask address is the subnet mask address in equipment local profile;
S2. the LLDP packets in equipment institute access network are captured, link layer data is read, the 3rd IP address is obtained: EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address:InterfaceMacAddress, second Subnet mask address:EACNSubnetMask;3rd IP address is the IP address of the switch being connected with the equipment, institute State the MAC Address that the first MAC Address is the switch, second MAC Address is to connect with the equipment in the switch The MAC Address of the interface for connecing, the second subnet mask address are the subnet mask address of the switch;
S3. the 4th IP address is calculated according to the 3rd IP address, the first MAC Address and the second MAC Address: LocalDesignIPAddress;
S4. when first IP address and the 3rd IP address are located at the same network segment, and the 3rd IP address meets default First condition, when the 4th IP address meets default second condition, by the network interface card of the equipment IP address configure For the 4th IP address, the IP address in the equipment local profile is configured to into the 4th IP address;Otherwise will be described IP address in the network interface card of equipment is configured to first IP address.
2. the method for the local static network address of configuration according to claim 1, it is characterised in that the tool of step S3 Body step includes:
S3.1. IP address alternate field is calculated according to the 3rd IP address, the first MAC Address and the second MAC Address: LocalIPLastNo;
S3.2. the first character section that the 3rd IP address starts from low level is substituted with the IP address alternate field, obtains the Four IP address.
3. the method for the local static network address of configuration according to claim 2, it is characterised in that step S3.1 Concrete steps include:Extract the value of the first preset byte of the 3rd IP address, second preset byte of the first MAC Address Value, the value of the 3rd preset byte of the second MAC Address, by default numerical computational formulas, are calculated the IP address Alternate field.
4. the method for the local static network address of configuration according to claim 3, it is characterised in that:First predetermined word The first character section started from low level for the 3rd IP address is saved, second preset byte is the first MAC Address from the beginning of low level First character section;3rd preset byte is the first character section that the second MAC Address starts from low level.
5. the method for the local static network address of configuration according to claim 4, it is characterised in that:The numerical computations are First character section that the first character section that starts from low level to the 3rd IP address of finger, the first MAC Address start from low level and Second MAC Address carries out mathematics plus and minus calculation from the first character section that low level starts, and takes the least-significant byte of result of calculation absolute value and be The IP address alternate field.
6. the method for the local static network address of configuration according to claim 5, it is characterised in that:Described default first It is [1,253] that condition is the span of the value of second byte that the 3rd IP address starts from low level.
7. the method for the local static network address of configuration according to claim 6, it is characterised in that:Described default second It is [5,250] that condition is the span of the value of the first character section that the 4th IP address starts from low level.
8. the method for the local static network address of configuration according to any one of claim 1 to 7, it is characterised in that:Work as institute When the LLDP packets in equipment institute access network can not be grabbed in stating step S2, by the IP in the network interface card of the equipment Address configuration is first IP address.
9. the method for the local static network address of configuration according to any one of claim 2 to 7, it is characterised in that also wrap The step of including configuration local MAC Address of Network Card:
SA. obtain the 3rd MAC Address:LocalMacAddressFromEthFile, the 4th MAC Address: LocalMacAddressFromNetAdapter;3rd MAC Address is the network interface card in the equipment local profile MAC Address, the 4th MAC Address are the MAC Address in the equipment network interface card;
SB. the 5th MAC ground is generated according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP address Location:LocalDesignMacAddress;
SC. when first IP address and the 3rd IP address are located at the same network segment, and the 3rd IP address meets described Default first condition, when the 4th IP address meets the default second condition, by the MAC in the network interface card of the equipment Address configuration is the 5th MAC Address, and the MAC Address of the network interface card in the equipment local profile is configured to the 5th MAC Address;The MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address otherwise.
10. the method for the local static network address of configuration according to claim 9, it is characterised in that step SB Concrete steps include:Extract the 4th preset byte of first MAC Address value and second MAC Address the 5th preset The value of byte carries out numerical computations, obtains MAC Address alternate field;Institute is substituted with the 6th preset byte of the 3rd IP address Second byte that the 3rd MAC Address starts from low level is stated, the 3rd MAC Address is substituted with the MAC Address alternate field From the first character section that low level starts, the 5th MAC Address is obtained.
11. methods for configuring local static network address according to claim 10, it is characterised in that the described 4th presets Byte is the first character section that the first MAC Address starts from low level, and the 5th preset byte is second MAC Address from low The first character section that position starts, the 6th preset byte is second byte that the 3rd IP address starts from low level.
12. methods for configuring local static network address according to claim 11, it is characterised in that:When step S2 In when can not grab the LLDP packets in equipment institute access network, the MAC Address in the network interface card of the equipment is matched somebody with somebody It is set to the 3rd MAC Address.
A kind of 13. systems for configuring local static network address, it is characterised in that:Including local address acquisition module, network ground Location acquisition module, address calculation module and address configuration module;
The local address acquisition module is used for LocalIPAddressFromEthFile, the second IP address: LocalIPAddressFromNetAdapter, the first subnet mask address:LocalSubnetMask;First IP address For the IP address in equipment local profile, second IP address is the IP address in the local network interface card of equipment, described first Subnet mask address is the subnet mask address in equipment local profile;
The network address acquisition module is used to capture the LLDP packets in equipment institute access network, reads the link number of plies According to the 3rd IP address of acquisition:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address: InterfaceMacAddress, the second subnet mask address:EACNSubnetMask;3rd IP address is to set with described The IP address of the switch of standby connection, first MAC Address is the MAC Address of the switch, and second MAC Address is The MAC Address of the interface being connected with the equipment in the switch, the second subnet mask address are the switch Subnet mask address;
The address calculation module is used to capture the LLDP packets in equipment institute access network, reads link layer data, Obtain the 3rd IP address:EACNIPAddress, the first MAC Address:EACNMacAddress, the second MAC Address: InterfaceMacAddress;3rd IP address is the IP address of the switch being connected with the equipment, described first MAC Address is the MAC Address of the switch, second MAC Address be in the switch with connecing that the equipment is connected The MAC Address of mouth;
The address configuration module is used for when first IP address and the 3rd IP address are located at the same network segment, and described the Three IP address meet default first condition, when the 4th IP address meets default second condition, by the net of the equipment IP address in card is configured to the 4th IP address, and the IP address in the equipment local profile is configured to the 4th IP Address;The IP address in the network interface card of the equipment is configured to into first IP address otherwise.
14. systems for configuring local static network address according to claim 13, it is characterised in that:The address configuration Module is additionally operable to when the network address acquisition module can not grab the LLDP packets in equipment institute access network, IP address in the network interface card of the equipment is configured to into first IP address.
15. systems for configuring local static network address according to claim 14, it is characterised in that:
The local address acquisition module is additionally operable to obtain the 3rd MAC Address:LocalMacAddressFromEthFile, the 4th MAC Address:LocalMacAddressFromNetAdapter;During 3rd MAC Address is the equipment local profile Network interface card MAC Address, the 4th MAC Address is the MAC Address in the equipment network interface card;
The address calculation module is additionally operable to according to first MAC Address, the second MAC Address, the 3rd MAC Address, the 3rd IP Address generates the 5th MAC Address:LocalDesignMacAddress;
The address configuration module is additionally operable to be located at the same network segment with the 3rd IP address when first IP address, and described 3rd IP address meets default first condition, when the 4th IP address meets default second condition, by the equipment MAC Address in network interface card is configured to the 5th MAC Address, by the MAC Address of the network interface card in the equipment local profile It is configured to the 5th MAC Address;The MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address otherwise.
16. systems for configuring local static network address according to claim 15, it is characterised in that:The address configuration Module is additionally operable to when the network address acquisition module can not grab the LLDP packets in equipment institute access network, MAC Address in the network interface card of the equipment is configured to into the 3rd MAC Address.
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