CN113873503B - Gateway bridging networking method, device and router - Google Patents
Gateway bridging networking method, device and router Download PDFInfo
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- CN113873503B CN113873503B CN202111315886.5A CN202111315886A CN113873503B CN 113873503 B CN113873503 B CN 113873503B CN 202111315886 A CN202111315886 A CN 202111315886A CN 113873503 B CN113873503 B CN 113873503B
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- 230000006855 networking Effects 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000010295 mobile communication Methods 0.000 claims abstract description 56
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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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
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The embodiment of the application discloses a gateway bridging networking method, a gateway bridging networking device and a router, which are applied to an LTE router, wherein the gateway bridging networking method comprises the following steps: sending a dialing request to a mobile communication network; if a first address allocated by the mobile communication network is queried, storing the first address as an allocation address; distributing the gateway address to a local area network bridge interface; restarting the LAN bridge interface to trigger equipment connected with the LAN bridge interface to acquire the allocation address. The LTE router stores the first address allocated by the mobile communication network as an allocation address, and triggers the equipment to acquire the allocation address, so that the equipment bridged with the LTE router can still access the mobile communication network.
Description
Technical Field
The present application relates to the field of gateways, and in particular, to a gateway bridging networking method, device and router.
Background
LTE (Long Term Evolution ) is a new standard of wireless data communication technology, and an LTE router introduces key technologies such as orthogonal frequency division multiplexing and multiple input multiple output, so as to improve spectrum efficiency and data transmission rate, so as to provide wireless long-distance data transmission capability through a mobile communication network.
Routers employing WAN (Wide Area Network ) interfaces support both routed networking and bridged networking. However, the LTE interface of the LTE router does not belong to a standard network interface, and cannot adapt to bridged devices. Thus, LTE routers typically support only routing networking and do not support bridging networking.
Disclosure of Invention
In view of the drawbacks of the prior art, an embodiment of the present application is to provide a method, an apparatus and a router for bridging and networking a gateway, so as to solve the problem that an LTE router cannot realize bridging and networking.
In a first aspect, an embodiment of the present application provides a gateway bridging networking method, applied to an LTE router, including:
sending a dialing request to a mobile communication network;
if a first address allocated by the mobile communication network is queried, storing the first address as an allocation address, wherein the first address comprises an IP address, a gateway address and a DNS address;
distributing the gateway address to a local area network bridge interface;
restarting the LAN bridge interface to trigger equipment connected with the LAN bridge interface to acquire the allocation address.
With reference to the first aspect, in a first possible implementation manner, after restarting the lan bridge interface, the method further includes:
polling a second address allocated by the mobile communication network;
and if the allocated address is not matched with the second address, updating the allocated address into the second address.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the method further includes:
and if the second address allocated by the mobile communication network is not polled, the step of sending a dialing request to the mobile communication network is re-executed.
With reference to the first aspect, in a third possible implementation manner, the method further includes:
and if the first address allocated by the mobile communication network is not queried, re-executing the step of sending a dialing request to the mobile communication network.
With reference to the first aspect, in a fourth possible implementation manner, after the querying the first address allocated to the mobile communication network and storing the first address as an allocated address, the method includes:
and storing the distributed address to a DHCP server so as to send the distributed address to equipment connected with the local area network bridge interface through the DHCP server.
With reference to the first aspect, in a fifth possible implementation manner, after the sending a dialing request to the mobile communications network, the method further includes:
the interface of the LTE module is configured as a default route.
In a second aspect, an embodiment of the present application is a gateway bridging networking device, applied to an LTE router, including:
a dialing request module for sending a dialing request to the mobile communication network;
the address inquiry module is used for storing the first address as an allocated address if the first address allocated by the mobile communication network is inquired, wherein the first address comprises an IP address, a gateway address and a DNS address;
the address allocation module is used for allocating the gateway address to a local area network bridge interface;
and the interface restarting module is used for restarting the local area network bridge interface so as to trigger equipment connected with the local area network bridge interface to acquire the allocation address.
With reference to the second aspect, in a first possible implementation manner, the gateway bridging networking device further includes:
an address polling module, configured to poll a second address allocated by the mobile communication network;
and the address updating module is used for updating the distribution address into the second address if the distribution address is not matched with the second address.
In a third aspect, an embodiment of the present application provides a router, including an LTE module, a processor, and a memory, where the memory stores a program or instructions, and the program or instructions are executed by the processor, so that the router performs the steps of the gateway bridging networking method described above.
In a fourth aspect, an embodiment of the present application provides a computer readable storage medium having stored thereon a program or instructions which when executed by a processor implement the steps of the gateway bridging networking method described above.
The application provides a gateway bridging networking method, which is applied to an LTE router, and comprises the following steps: sending a dialing request to a mobile communication network; if a first address allocated by the mobile communication network is queried, storing the first address as an allocation address; distributing the gateway address to a local area network bridge interface; restarting the LAN bridge interface to trigger equipment connected with the LAN bridge interface to acquire the allocation address. The LTE router stores the first address allocated by the mobile communication network as an allocation address, and triggers the equipment to acquire the allocation address, so that the equipment bridged with the LTE router can still access the mobile communication network.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are required for the embodiments will be briefly described, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope of the present application. Like elements are numbered alike in the various figures.
Fig. 1 shows a flowchart of a gateway bridging networking method provided in embodiment 1 of the present application;
fig. 2 is a schematic diagram of a scenario in which an LTE router provided in embodiment 1 of the present application bridges with a terminal device;
fig. 3 is a schematic structural diagram of a gateway bridging networking device according to embodiment 2 of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
The terms "comprises," "comprising," "including," or any other variation thereof, are intended to cover a specific feature, number, step, operation, element, component, or combination of the foregoing, which may be used in various embodiments of the present application, and are not intended to first exclude the presence of or increase the likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the application belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the application.
Example 1
Referring to fig. 1, fig. 1 shows a flowchart of a gateway bridge networking method provided in embodiment 1 of the present application, where the gateway bridge networking method in fig. 1 is applied to an LTE router, and the gateway bridge networking method includes the following steps:
step 101, a dialing request is sent to a mobile communication network.
The mobile communication network may be an LTE network, a 4G network, a 5G network, or the like, and may also be a future communication network, such as a 6G network, or the like, which is not limited herein. In this embodiment, the mobile communication network is an LTE network provided by an operator. The LTE router sends a dial-up request to the LTE network to access the Internet.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating a scenario in which an LTE router and a terminal device provided in embodiment 1 of the present application are bridged. The LTE router 220 includes a LAN (Local Area Network ) bridge 221 and an LTE module 222, the terminal device 210 is connected to the LAN bridge 221, and the LTE router 220 is connected to the communication base station 230 to access the mobile communication network. It should be understood that the LTE router 220 may be connected to the communication base station 230 through an optical fiber or a cable, or may interact through a wireless communication signal, which is not limited herein.
The LTE module 222 sends a dial request to the communication base station 230, and if receiving response information returned by the communication base station 230, confirms that the LTE router 220 accesses the LTE network. If the response information does not include the first address allocated by the LTE network, the LTE module 222 sends an address request message to the LTE network operator, and obtains the first address allocated by the LTE network according to the returned response message, so as to obtain a uniform address format.
It is understood that the first address includes an IP (Internet Protocol ) address gateway address and a DNS (Domain name resolution ) address.
As an example, after the dialing request is sent to the mobile communication network, the method further includes:
the interface of the LTE module 222 is configured as a default route.
The default route is the route selected by the router when no other route exists for the destination address in the IP packet. All packets whose destination is not in the routing table of LTE router 220 will use the default route to avoid discarding packets whose destination address does not match an entry in the routing table when end device 210 is bridged with LTE router 220.
And 102, if the first address allocated by the mobile communication network is queried, storing the first address as an allocation address.
The LTE module 222 does not have a function of storing a first address, and the LTE router obtains the first address allocated by the LTE network through an AT (Attention) instruction and stores the first address as an allocation address, where the AT instruction is applied to an instruction for connection and communication between devices, and will not be described herein.
As an example, the method further comprises:
and if the first address allocated by the mobile communication network is not queried, re-executing the step of sending a dialing request to the mobile communication network.
If the first address allocated by the LTE network is not queried, the internet cannot be accessed through the LTE network after the dialing request is confirmed to be sent to the mobile communication network. Step 101 is re-executed to enable the LTE router 220 to access the LTE network.
As an example, if the first address allocated to the mobile communication network is queried, storing the first address as an allocated address includes:
and storing the distributed address to a DHCP server so as to send the distributed address to equipment connected with the local area network bridge interface through the DHCP server.
DHCP (Dynamic Host Configuration Protocol ) is a network protocol of a local area network, and is used for managing and allocating IP addresses, so that the terminal device 210 in the local area network dynamically obtains information such as IP addresses, DNS addresses, etc., and improves the utilization rate of the addresses. When a plurality of terminal devices 210 are bridged with the LTE router 220, a failure caused by allocation of duplicate addresses to the plurality of terminal devices 210 is avoided by the DHCP service.
It should be understood that the DHCP server may be installed separately, or the LTE router 220 may be used as a DHCP server, which is not limited herein.
And step 103, distributing the gateway address to a local area network bridge interface.
The home address refers to a relatively fixed IP address of the mobile node, and is characterized as not changing with the location of the mobile node. The gateway address is allocated to the lan bridge interface, so that the gateway address obtained by the LTE module 222 is set as the local address of the LTE router 220. The terminal device 210 obtains the address the same as the local address of the LTE router 220 through DHCP, and the terminal device 210 and the LTE router 220 can directly access each other.
It should be understood that the LAN bridge interface 221 is an interface connected to the terminal device 210 in the present application. For example, assuming that the LAN bridge 221 includes a LAN interface br0 and a LAN interface br1, if the LAN interface br0 is connected to the terminal device 210, a gateway address is assigned to the LAN interface br0.
And 104, restarting the local area network bridge interface to trigger equipment connected with the local area network bridge interface to acquire the allocation address.
When the terminal device 210 is connected to the LTE router 220, the address allocated to the terminal device 210 is a private network address, the first address allocated to the LTE module is a public network address, and the first address is stored as an allocation address. When it is detected that the allocated address of the LTE router 220 is stored in the DHCP server, the lan bridge interface is restarted to trigger the terminal device 210 connected to the lan bridge interface to re-request the address through DHCP. The public network address is allocated to the terminal device 210, so that the terminal device 210 can directly access the internet, and the problem that the LTE router cannot realize bridging networking is solved.
As an example, after restarting the lan bridge interface, the method further includes:
polling a second address allocated by the mobile communication network;
and if the allocated address is not matched with the second address, updating the allocated address into the second address.
The LTE router 220 polls the LTE module 222 for the second address and verifies whether the second address matches the assigned address. If the allocated address does not match the second address, it is confirmed that the public network address is dynamically changed, and the terminal device 210 bridging the LTE router 220 cannot access the internet. The assigned address is updated to the second address and the lan bridge interface is restarted to trigger the terminal device 210 to reacquire the public network address.
In an alternative example, the method further comprises:
and if the second address allocated by the mobile communication network is not polled, the step of sending a dialing request to the mobile communication network is re-executed.
If the LTE module 222 does not exist and receives the second address, it is confirmed that the LTE router 220 is disconnected from the LTE network, and step 101 is performed again to access the LTE network to access the internet.
The application provides a gateway bridging networking method, which is applied to an LTE router, and comprises the following steps: sending a dialing request to a mobile communication network; if a first address allocated by the mobile communication network is queried, storing the first address as an allocation address; distributing the gateway address to a local area network bridge interface; restarting the LAN bridge interface to trigger equipment connected with the LAN bridge interface to acquire the allocation address. The LTE router stores the first address allocated by the mobile communication network as an allocation address, and triggers the equipment to acquire the allocation address, so that the equipment bridged with the LTE router can still access the mobile communication network.
Example 2
Referring to fig. 3, fig. 3 is a schematic structural diagram of a gateway bridge networking device according to embodiment 2 of the present application, which is applied to an LTE router, and the gateway bridge networking device 300 in fig. 3 includes:
a dialing request module 310 for sending a dialing request to the mobile communication network;
an address query module 320, configured to store a first address allocated to the mobile communication network as an allocated address if the first address is queried, where the first address includes an IP address, a gateway address, and a DNS address;
an address allocation module 330, configured to allocate the gateway address to a lan bridge interface;
an interface restarting module 340, configured to restart the lan bridge interface, so as to trigger a device connected to the lan bridge interface to acquire the allocation address.
As one example, the gateway bridging networking device 300 further comprises:
an address polling module, configured to poll a second address allocated by the mobile communication network;
and the address updating module is used for updating the distribution address into the second address if the distribution address is not matched with the second address.
In an alternative example, the gateway bridging networking device 300 further comprises:
and the first execution module is used for re-executing the step of sending the dialing request to the mobile communication network if the second address allocated by the mobile communication network is not polled.
As one example, the gateway bridging networking device 300 further comprises:
and the second execution module is used for re-executing the step of sending the dialing request to the mobile communication network if the first address allocated by the mobile communication network is not queried.
As one example, the gateway bridging networking device 300 further comprises:
and the distribution address storage module is used for storing the distribution address to a DHCP server so as to send the distribution address to equipment connected with the local area network bridge interface through the DHCP server.
As one example, the gateway bridging networking device 300 further comprises:
and the route configuration module is used for configuring the interface of the LTE module as a default route.
Gateway bridge networking device 300 is configured to perform the corresponding steps in the gateway bridge networking method described above, and the implementation of each function is not described here. Furthermore, the alternative example of embodiment 1 is equally applicable to the gateway bridge networking device 300 of embodiment 2.
The embodiment of the application also provides a router, which comprises an LTE module, a processor and a memory, wherein the memory stores programs or instructions, and the programs or instructions are executed by the processor so that the router executes the steps of the gateway bridging networking method.
The embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores a program or instructions, and the program or instructions realize the steps of the gateway bridging networking method when being executed by a processor.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flow diagrams and block diagrams in the figures, which illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules or units in various embodiments of the application may be integrated together to form a single part, or the modules may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a smart phone, a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application.
Claims (9)
1. A method for bridging a gateway, applied to an LTE router, the method comprising:
sending a dialing request to a mobile communication network;
if a first address allocated by the mobile communication network is queried, storing the first address as an allocation address, wherein the first address comprises an IP address, a gateway address and a DNS address;
storing the allocation address to a DHCP server so as to send the allocation address to equipment connected with a local area network bridge interface through the DHCP server;
distributing the gateway address to a local area network bridge interface;
and restarting the local area network bridge interface when the fact that the distributed address is stored in the DHCP server is detected, so as to trigger equipment connected with the local area network bridge interface to acquire the distributed address.
2. The gateway bridging networking method of claim 1, further comprising, after restarting the local area network bridge interface:
polling a second address allocated by the mobile communication network;
and if the allocated address is not matched with the second address, updating the allocated address into the second address.
3. The gateway bridging networking method of claim 2, further comprising:
and if the second address allocated by the mobile communication network is not polled, the step of sending a dialing request to the mobile communication network is re-executed.
4. The gateway bridging networking method of claim 1, further comprising:
and if the first address allocated by the mobile communication network is not queried, re-executing the step of sending a dialing request to the mobile communication network.
5. The gateway bridging networking method of claim 1, wherein after the sending the dial-up request to the mobile communication network, further comprises:
the interface of the LTE module is configured as a default route.
6. A gateway bridging networking device, for use with an LTE router, the device comprising:
a dialing request module for sending a dialing request to the mobile communication network;
the address inquiry module is used for storing the first address as an allocated address if the first address allocated by the mobile communication network is inquired, wherein the first address comprises an IP address, a gateway address and a DNS address;
the address inquiry module is further configured to store the allocated address to a DHCP server, so that the allocated address is sent to a device connected to a lan bridge through the DHCP server;
the address allocation module is used for allocating the gateway address to a local area network bridge interface;
and the interface restarting module is used for restarting the local area network bridge interface when detecting that the distribution address is stored in the DHCP server so as to trigger equipment connected with the local area network bridge interface to acquire the distribution address.
7. The gateway bridge networking device of claim 6, wherein the gateway bridge networking device further comprises:
an address polling module, configured to poll a second address allocated by the mobile communication network;
and the address updating module is used for updating the distribution address into the second address if the distribution address is not matched with the second address.
8. A router comprising an LTE module, a processor and a memory, the memory having stored thereon a program or instructions which, when executed by the processor, implement the steps of the gateway bridging networking method of any of claims 1 to 5.
9. A computer readable storage medium, characterized in that it has stored thereon a program or instructions which, when executed by a processor, implement the steps of the gateway bridging networking method of any of claims 1 to 5.
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