CN110995469A - Local area network terminal rapid positioning method based on DHCP service - Google Patents
Local area network terminal rapid positioning method based on DHCP service Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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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
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2517—Translation of Internet protocol [IP] addresses using port numbers
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Abstract
The invention discloses a local area network terminal rapid positioning method based on DHCP service, comprising the following steps: setting the authority that a DHCP server can normally acquire the protocol information of a switch snMP1929149 of a global network through computer program statements; the DHCP server automatically and regularly captures the running state information of the switch of the global network into a database of the DHCP server through a protocol of a global network switch snMP 1929149; the DHCP server detects and positions the IP address of the terminal appointed by the user, automatically matches with the running state information of the switch recorded in the database of the DHCP server, and searches the specific port position of the switch of the global network corresponding to the IP of the terminal, thereby integrating the DHCP and network switch technology, realizing the rapid positioning function of the local area network terminal based on the DHCP service, reducing the operation steps to the maximum extent, shortening the positioning time of the terminal and further solving the positioning problem of the off-line terminal compared with the whole manual command line operation of the traditional method.
Description
Technical Field
The invention relates to the technical field of local area networks, in particular to a local area network terminal rapid positioning method based on DHCP service.
Background
The dynamic host configuration protocol is a network protocol for a local area network. The method is characterized in that a server controls a range of IP addresses, and a client can automatically obtain the IP address and the subnet mask allocated by the server when logging in the server.
At present, a DHCP server is deployed in each unit local area network, and functions such as terminal domain name service, IP address allocation, IP address lookup and the like can be provided, so that the terminal name and the IP address information can be rapidly found. This technique has the drawback of not being able to locate the network switch where the terminal is located and the location of the network port where the terminal is located.
The switch and the network port where the terminal IP address is located can be found out by manually inputting the command line through the network switch operating system interface, the traditional terminal positioning technology firstly needs to determine the terminal IP address to be found out, find out the department corresponding to the terminal, then find out the core switch corresponding to the department, then log in the core switch to carry out the command line operation, then log in the access switch to carry out the command line operation, the whole process is the manual command line positioning operation, the time for positioning each terminal is at least 15 minutes, and the technology has the defects that:
1. the whole process needs manual operation and manual analysis, and is complicated, long in positioning time and low in efficiency;
2. the requirement on professional technology is high, and the operation can be only performed by professional network management personnel;
3. only the on-line terminal can be positioned, and the off-line terminal cannot be positioned.
Disclosure of Invention
The invention provides a local area network terminal rapid positioning method based on DHCP service, which aims to solve the defects of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a local area network terminal rapid positioning method based on DHCP service includes steps:
s100, setting the authority of a DHCP server to normally acquire the protocol information of a switch snMP1929149 of a global network through computer program statements;
s200, the DHCP server automatically and regularly captures the running state information of the switch of the global network into a database of the DHCP server through a snMP1929149 protocol of the switch of the global network;
s300, the DHCP server detects and positions the IP address of the terminal appointed by the user, automatically matches with the running state information of the switch recorded in the database of the DHCP server, and searches for the specific port position of the switch of the global network corresponding to the IP of the terminal.
As a preferred embodiment of the present invention, in S300, the operation state information of the switch includes a switch name, port information, an arp table, a mac table, and vlan information, and these information are collectively packaged into a packet for being captured by the DHCP server.
As a preferred embodiment of the present invention, in S200, the DHCP server associates information in the captured packet of the switch with the IP of the online terminal in the global network.
As a preferred scheme of the present invention, the DHCP server performs information association between information in the captured information packet of the switch and an IP of an online terminal in the global network, where the specific information association form is:
and the IP of the online terminal is associated with the arp table of the switch, and the mac address of the IP of the online terminal is found to be corresponding to the mac table in the information packet of the switch, so that the corresponding port number of the online terminal is found.
As a preferred scheme of the invention, after finding the port number of the online terminal, the DHCP server sends the information association to the network management system of the DHCP server, finds the interface number of the switch after scanning by looking up the IP address of the online terminal in the network management system, and finds the port number of the access switch corresponding to the online terminal, thereby realizing the IP rapid positioning of the online terminal.
As a preferred scheme of the present invention, in S200, the DHCP server probes, through the snMP1929149 protocol, the v1 version and the v2c version of the snMP1929149 protocol that opens the global network switch, and reads the mib of the switch by using the snMP1929149 protocols of the v1 version and the v2c version, so as to extract the operating state information of the switch.
As a preferred embodiment of the present invention, the network management system of the DHCP server is a visual switch graph operating system.
As a preferred embodiment of the present invention, the information packet indicates that the operation state information of the switch of the global network is online information and offline information.
As a preferred scheme of the present invention, the network architecture based on which the local area network terminal fast positioning method is based includes: the system comprises a metropolitan area network core switch unit, a local area network core switch unit, a floor switch, a terminal, an IDC firewall, an IDC core switch unit and a DHCP server, wherein the metropolitan area network core switch unit and the local area network core switch unit are interconnected, the floor switch is connected into the local area network core switch unit, the terminal is connected with the floor switch, the IDC firewall, the IDC core switch unit and the DHCP server are connected, the DHCP server is connected with the IDC core switch unit.
The embodiment of the invention has the following advantages:
1. the automation degree is high, manual operation is reduced to the maximum extent, and a graphical operation interface is adopted, so that the technical threshold is reduced;
2. the existing DHCP server technology is fully utilized for integration, and the manufacturing cost of the system is low;
3. realize a key location function, shorten positioning time, improve work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a flowchart of a local area network terminal fast positioning method based on DHCP service in an embodiment of the present invention;
fig. 2 is a block diagram of a network architecture based on which the fast positioning method for the local area network terminal is implemented in the embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1 and fig. 2, the present invention provides a method for quickly positioning a local area network terminal based on DHCP service, which includes the steps of:
s100, setting the authority of a DHCP server to normally acquire the protocol information of a switch snMP1929149 of a global network through computer program statements;
s200, the DHCP server automatically and regularly captures the running state information of the switch of the global network into a database of the DHCP server through a snMP1929149 protocol of the switch of the global network;
s300, the DHCP server detects and positions the IP address of the terminal appointed by the user, automatically matches with the running state information of the switch recorded in the database of the DHCP server, and searches for the specific port position of the switch of the global network corresponding to the IP of the terminal.
In S300, the operation state information of the switch includes the switch name, the port information, the arp table, the mac table, and the vlan information, and these information are collectively packaged into a packet for the DHCP server to capture.
And the DHCP server associates the information in the captured information packet of the switch with the IP of the online terminal in the global network.
The specific information association form is as follows: and the IP of the online terminal is associated with the arp table of the switch, and the mac address of the IP of the online terminal is found to be corresponding to the mac table in the information packet of the switch, so that the corresponding port number of the online terminal is found.
After finding the port number of the online terminal, the DHCP server sends the information association to a network management system of the DHCP server, finds the interface number of the scanned switch by looking up the IP address of the online terminal in the network management system, and finds the port number of an access switch corresponding to the online terminal, thereby realizing the IP rapid positioning of the online terminal.
In S200, the DHCP server probes, through the snMP1929149 protocol, the v1 version and the v2c version of the snMP1929149 protocol that opens the global network switch, and reads the mib of the switch by using the snMP1929149 protocols of the v1 version and the v2c version, and extracts the operating state information of the switch.
The network management system of the DHCP server is a visual switchboard graphic operating system.
The information packet indicates that the running state information of the switch of the global network is online information and offline information.
As shown in fig. 2, the network architecture based on which the local area network terminal fast positioning method is described includes: the system comprises a metropolitan area network core switch unit, a local area network core switch unit, a floor switch, a terminal, an IDC firewall, an IDC core switch unit and a DHCP server, wherein the metropolitan area network core switch unit and the local area network core switch unit are interconnected, the floor switch is connected into the local area network core switch unit, the terminal is connected with the floor switch, the IDC firewall, the IDC core switch unit and the DHCP server are connected, the DHCP server is connected with the IDC core switch unit.
The method integrates the DHCP server system and the global network switch technology, realizes the function of quickly positioning the local area network terminal based on the DHCP service, reduces the operation steps to the maximum extent, shortens the positioning time of the terminal and solves the positioning problem of the off-line terminal compared with the whole manual command line operation of the traditional method.
The above embodiments are merely to illustrate the technical solutions of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A local area network terminal fast positioning method based on DHCP service is characterized by comprising the following steps:
s100, setting the authority of a DHCP server to normally acquire the protocol information of a switch snMP1929149 of a global network through computer program statements;
s200, the DHCP server automatically and regularly captures the running state information of the switch of the global network into a database of the DHCP server through a snMP1929149 protocol of the switch of the global network;
s300, the DHCP server detects and positions the IP address of the terminal appointed by the user, automatically matches with the running state information of the switch recorded in the database of the DHCP server, and searches for the specific port position of the switch of the global network corresponding to the IP of the terminal.
2. The method according to claim 1, wherein in S300, the operation state information of the switch includes a DHCP service-based local area network terminal fast positioning method, port information, an arp table, a mac table, and vlan information of the switch, and the information is collectively packaged into a packet for the DHCP server to capture.
3. The method as claimed in claim 2, wherein in S200, the DHCP server associates the information in the captured packet of the switch with the IP of the on-line terminal in the global network.
4. The method for rapidly positioning the local area network terminal based on the DHCP service according to claim 3, wherein the DHCP server performs information association between the information in the captured information packet of the switch and the IP of the online terminal in the global network, and the specific information association form is as follows:
and the IP of the online terminal is associated with the arp table of the switch, and the mac address of the IP of the online terminal is found to be corresponding to the mac table in the information packet of the switch, so that the corresponding port number of the online terminal is found.
5. The method as claimed in claim 4, wherein the DHCP server finds the port number of the online terminal, sends the information association to the network management system of the DHCP server, finds the interface number of the scanned switch by looking up the IP address of the online terminal in the network management system, and finds the port number of the access switch corresponding to the online terminal, thereby implementing the IP fast positioning of the online terminal.
6. The method as claimed in claim 1, wherein in S200, the DHCP server probes v1 version and v2c version of snMP1929149 protocol of the open global network switch through snMP1929149 protocol, and reads mib library of the switch by using snMP1929149 protocol of v1 version and v2c version to extract the operating status information of the switch.
7. The method as claimed in claim 5, wherein the network management system of the DHCP server is a visual switch graphic operating system.
8. The method as claimed in claim 2, wherein the packet indicates that the operation status information of the switch of the global network is online or offline information.
9. The method according to claim 1, wherein the network architecture based on which the method for quickly positioning the terminal of the local area network based on the DHCP service is based comprises: the system comprises a metropolitan area network core switch unit, a local area network core switch unit, a floor switch, a terminal, an IDC firewall, an IDC core switch unit and a DHCP server, wherein the metropolitan area network core switch unit and the local area network core switch unit are interconnected, the floor switch is connected into the local area network core switch unit, the terminal is connected with the floor switch, the IDC firewall, the IDC core switch unit and the DHCP server are connected, the DHCP server is connected with the IDC core switch unit.
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| CN201911107866.1A CN110995469B (en) | 2019-11-13 | 2019-11-13 | Local area network terminal rapid positioning method based on DHCP service |
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| CN201911107866.1A CN110995469B (en) | 2019-11-13 | 2019-11-13 | Local area network terminal rapid positioning method based on DHCP service |
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