CN111431774B - Communication method and communication system based on master router and slave router networking - Google Patents
Communication method and communication system based on master router and slave router networking Download PDFInfo
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- CN111431774B CN111431774B CN202010162907.3A CN202010162907A CN111431774B CN 111431774 B CN111431774 B CN 111431774B CN 202010162907 A CN202010162907 A CN 202010162907A CN 111431774 B CN111431774 B CN 111431774B
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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
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
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Abstract
The application relates to the field of computer network communication, and discloses a communication method and a communication system based on networking of a master router and a slave router. Therefore, after the communication link of the master router and the slave router is recovered, the network access device releases the first IP address, the slave router also closes the DHCP server, the network access device can acquire the second IP address from the master router without forcibly offline, the operation of acquiring the second IP address from the master router by the network access device is simplified, and the user experience is improved.
Description
Technical Field
The invention relates to the field of computer network communication, in particular to a communication method and a communication system based on main router and slave router networking.
Background
The router belongs to equipment of a network layer, and for a network area covered by the router, a user can be ensured to access the internet anytime and anywhere, but for a dead corner area, the user cannot access the internet.
When multiple routes are networked, the multiple routes comprise a master route and a slave route, after the master route and the slave route are normally networked, and master-slave links are normally connected, a Dynamic Host Configuration Protocol (DHCP) server of the master route is in an open state, a DHCP server of the slave route is in a closed state, and all network access devices accessing a network acquire IP addresses from the master route under the condition that communication links of the master router and the slave router are normal. When the main route is abnormally powered off or restarted to cause a fault of a link between the main router and the slave route, the DHCP server of the slave route is switched to an open state from a closed state, an IP address is allocated to the network access device to be supplied to the network access device, when the link between the main route and the slave route is recovered to a normal state from the fault, the DHC server of the slave route is closed again, the network access device hung below the slave route needs to acquire the IP address of the main route again from the DHCP server of the main route, at the moment, if the network access device acquires the IP address again from the main route, the network access device needs to be connected up and down again (for example, the Wireless Fidelity (WIFI) is disconnected and then the IP address is connected again), so that the IP address is acquired again from the main route, the operation is complicated, and the user experience is low.
Disclosure of Invention
The purpose of the application is to provide a communication method and a communication system based on networking of a master router and a slave router, after a communication link of the master router and the slave router is recovered, an I address can be obtained again from the master router without the need of a network access device to go online and offline again, the operation of obtaining the IP address is simplified, and the user experience is improved.
In a first aspect, an embodiment of the present application discloses a communication method based on networking by a master router and a slave router, where the communication method is used for providing a network for a network access device when the master router recovers from a DHCP service abnormal state to a DHCP service normal state, and the communication method includes:
when the communication link between the master router and the slave router changes from a normal state to an abnormal state (the master router is abnormally powered off or restarted), the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, a new IP address (a first IP address) is reallocated to the network access device by the DHCP server of the slave router, and the network access device accesses the network of the slave router by using the new IP address. The communication link between the master router and the slave router is disconnected due to abnormal power-off or restarting of the master router, at the moment, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state.
When the communication link of the master router and the slave router is restored to the normal state by the disconnected state (the master router is powered up again or the restart is completed), the DHCP server of the slave router (for example, the maintenance address is 192.168.2.1) sends a notification of releasing the first IP address (for example, 192.168.2.2) allocated to the network access device by the slave router to the network access device.
The network access equipment responds to the IP releasing notification, releases the first IP address acquired from the slave router and sends feedback confirmation information to the slave router.
And the slave router closes the DHCP server of the slave router based on the confirmation information from the network access equipment.
The network access equipment acquires the second IP address distributed by the DHC server of the main router from the DHCP server of the main router, and after acquiring the second IP address from the DHCP server of the main router, the network access equipment can be accessed to the main router to provide a network for the network access equipment by the main router, and can also be accessed to provide a network for the network access equipment from the router as a transit switching mode.
In some embodiments of the first aspect of the present application, the network access device may be connected to the main router through WIFI, or may be connected to the main router through a wired network, in the prior art, if the network access device is connected to the main router through WIFI, when the communication link between the main router and the slave router recovers to be normal, the WIFI of the network access device needs to be disconnected and reconnected, if the network access device is connected to the main router through wired, when the communication link between the main router and the slave router recovers to be normal, the ethernet port of the main router needs to be disconnected and reconnected, so that the network access device reconnects to the main router network is very complex in operation, and the user experience is reduced.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the network access equipment, so that the network access equipment releases a first IP address obtained from the slave router, the network access equipment does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the network access equipment requests the master router to distribute a second IP address, and the network access equipment can achieve the purpose of network access after obtaining the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the network access device releases the first IP address, the slave router also closes the DHCP server, the network access device can acquire the second IP address from the master router without forcibly offline, the operation of acquiring the second IP address from the master router by the network access device is simplified, and the user experience is improved.
In some embodiments of the first aspect of the present application, the communication link between the master router and the slave router may be disconnected due to abnormal power failure or restarting of the master router, at this time, the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data included in the release IP notification may be a network access device identifier of the network access device (e.g., a MAC address of the network access device) and a first IP address allocated from the router to the network access device. The network access equipment identification indicates that the object sent by the IP address releasing is accurately positioned to the mobile phone so that the mobile phone is accurately accessed to the network, and the IP releasing notification carries the first IP address and corresponds to the first IP address accessed by the mobile phone, so that the accuracy of releasing the first IP address by the mobile phone is improved.
In some embodiments of the present application, the acknowledgement information may include information indicating a status of the network access device successfully releasing the first IP address. Therefore, after the network access equipment successfully releases the first IP address, the network access equipment sends the confirmation information to the slave router, the situation that the slave router abnormally closes the DHCP server when the network access equipment does not successfully release the first IP address is avoided, and the network access equipment is prevented from being disconnected.
In some embodiments of the first aspect of the present application, after receiving, from the router, that the network access device has received the first IP address successfully allocated from the router, the DHCP server is turned off. The network access equipment requests the DHCP server of the main router to allocate a second IP address, and the DHCP server of the main router responds to the request of the network access equipment to allocate the second IP address for the network access equipment.
In a second aspect, an embodiment of the present application discloses another communication method based on networking by a master router and a slave router, where the communication method is used for providing a network for a network access device when the master router recovers from a DHCP service abnormal state to a DHCP service normal state, and the communication method includes:
and the slave router recovers the abnormal state of the DHCP service into a normal state of the DHCP service according to the main router, and sends a release IP notification to the network access equipment.
And receiving confirmation information fed back by the network access equipment in response to the IP release notification from the router.
And the slave router closes the first DHCP server based on the confirmation information from the network access equipment.
The slave router provides a network to the network access device of the second IP address acquired from the second DHCP server of the master router. The access slave router is used as a transit slave router to provide a network for the network access equipment.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the network access equipment, so that the network access equipment releases a first IP address obtained from the slave router, the network access equipment does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the network access equipment requests the master router to distribute a second IP address, and the network access equipment can achieve the purpose of network access after obtaining the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the network access device releases the first IP address, the slave router also closes the DHCP server, the network access device can acquire the second IP address from the master router without forcibly offline, the operation of acquiring the second IP address from the master router by the network access device is simplified, and the user experience is improved.
In some embodiments of the second aspect of the present application, when the communication link route disconnection state of the master router and the slave router is restored to the normal state, the slave router (for example, the maintenance address is 192.168.2.1) sends a notification of releasing the first IP address (for example, 192.168.2.2) allocated to the network access device by the slave router to the network access device, where the communication link between the master router and the slave router may be disconnected due to an abnormal power failure or a restart of the master router, at this time, the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data included in the release IP notification may be a network access device identifier of the network access device (e.g., a MAC address of the network access device) and a first IP address allocated from the router to the network access device.
In some embodiments of the second aspect of the present application, the acknowledgement information may include information indicating a status of successful release of the first IP address by the network access device. Therefore, after the network access equipment successfully releases the first IP address, the network access equipment sends the confirmation information to the slave router, the situation that the slave router abnormally closes the DHCP server when the network access equipment does not successfully release the first IP address is avoided, and the network access equipment is prevented from being disconnected.
In some embodiments of the second aspect of the present application, the DHCP server is turned off after the network access device has received the first IP address successfully allocated from the router. The network access equipment requests the DHCP server of the main router to allocate a second IP address, and the DHCP server of the main router responds to the request of the network access equipment to allocate the second IP address for the network access equipment.
In a third aspect, an embodiment of the present application discloses another communication method based on networking by a master router and a slave router, where the communication method is used for providing a network for a network access device when the master router recovers from a DHCP service abnormal state to a DHCP service normal state, and the communication method includes:
and the main router receives an allocation request of a second IP address sent by the network access equipment, wherein the allocation request of the second IP address is sent after the network access equipment releases the first IP address allocated from the router.
And the main router responds to the allocation request of the network access equipment to allocate a second IP address for the network access equipment and provide a network for the network access equipment. And after the main router allocates the second IP address to the network access equipment, the network access equipment accesses the network of the main router according to the second IP address.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the network access equipment, so that the network access equipment releases a first IP address obtained from the slave router, the network access equipment does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the network access equipment requests the master router to distribute a second IP address, and the network access equipment can achieve the purpose of network access after obtaining the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the network access device releases the first IP address, the slave router also closes the DHCP server, the network access device can acquire the second IP address from the master router without forcibly offline, the operation of acquiring the second IP address from the master router by the network access device is simplified, and the user experience is improved.
In some embodiments of the third aspect of the present application, when the communication link route disconnection state of the master router and the slave router is restored to the normal state, the slave router (for example, the maintenance address is 192.168.2.1) sends a notification of releasing the first IP address (for example, 192.168.2.2) allocated to the network access device by the slave router to the network access device, where the communication link between the master router and the slave router may be disconnected due to an abnormal power failure or a restart of the master router, at this time, the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data included in the release IP notification may be a network access device identifier of the network access device (e.g., a MAC address of the network access device) and a first IP address allocated from the router to the network access device. The network access equipment identification indicates that the object sent by the IP address releasing is accurately positioned to the mobile phone so that the mobile phone is accurately accessed to the network, and the IP releasing notification carries the first IP address and corresponds to the first IP address accessed by the mobile phone, so that the accuracy of releasing the first IP address by the mobile phone is improved.
In some embodiments of the third aspect of the present application, when the communication link between the master router and the slave router changes from a normal state to an abnormal state (disconnected state), the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, a new IP address (first IP address) is reassigned to the network access device by the DHCP server of the slave router, and the network access device accesses the network of the slave router using the new IP address. The communication link between the master router and the slave router is disconnected due to abnormal power-off or restarting of the master router, at the moment, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state.
In some embodiments of the third aspect of the present application, the network access device receives, from the router, acknowledgement information that is fed back in response to the release IP notification. Therefore, after the network access equipment successfully releases the first IP address, the network access equipment sends the confirmation information to the slave router, the situation that the slave router abnormally closes the DHCP server when the network access equipment does not successfully release the first IP address is avoided, and the network access equipment is prevented from being disconnected.
In some embodiments of the third aspect of the present application, after receiving, from the router, that the network access device has received the first IP address successfully allocated from the router, the DHCP server is turned off.
In a fourth aspect, an embodiment of the present application discloses a communication system, including: the system comprises a master router, a slave router and a network access device; the master router is connected with the slave router, and the network access equipment is accessed to the master router or the slave router; when the communication link of the master router and the slave router recovers the networking again, the network is provided for the network access equipment; wherein, providing a network for the network access device comprises: the slave router recovers the DHCP service abnormal state into a DHCP service normal state according to the main router, sends a release IP notification to the network access equipment, the network access equipment responds to the release IP notification to release the first IP address acquired from the slave router and feed back confirmation information to the slave router, and the slave router closes a DHCP server of the slave router based on the confirmation information from the network access equipment; the network access equipment acquires a second IP address distributed by the DHCP server of the main router from the DHCP server of the main router; the network access device accesses the master router or the slave router based on the second IP address.
According to the communication method and the communication system based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the network access equipment, so that the network access equipment releases a first IP address obtained from the router. Therefore, after the communication link of the master router and the slave router is recovered, the network access device releases the first IP address, the slave router also closes the DHCP server, the network access device can acquire the second IP address from the master router without forcibly offline, the operation of acquiring the second IP address from the master router by the network access device is simplified, and the user experience is improved.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1(a) and fig. 1(b) are scene diagrams of an application scenario provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mobile phone disclosed in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a router disclosed in an embodiment of the present application;
fig. 4 to fig. 6 are schematic flow diagrams of a communication method based on networking of a master router and a slave router, disclosed in an embodiment of the present application.
Detailed Description
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
It is to be appreciated that as used herein, the term module may refer to or include an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group) and/or memory that executes one or more software or firmware programs, a combinational logic circuit, and/or other suitable hardware components that provide the described functionality, or may be part of such hardware components.
It is to be appreciated that in various embodiments of the present application, the processor may be a microprocessor, a digital signal processor, a microcontroller, or the like, and/or any combination thereof. According to another aspect, the processor may be a single-core processor, a multi-core processor, the like, and/or any combination thereof.
Firstly, some embodiments of the present application provide an application scenario of a communication method based on networking of a master router and a slave router, and the application scenario provided by the embodiments of the present application is described below with reference to fig. 1(a) and fig. 1 (b).
Fig. 1(a) is a scene schematic diagram of an application scenario provided in an embodiment of the present invention, as shown in fig. 1(a), the scene schematic diagram includes a network access device 10, a master router 11, and a slave router 12. The network access device may be a device with a networking function, for example, the network access device may be a terminal device which is convenient for a user to use, such as a handheld remote controller, a mobile phone, a tablet computer, a notebook computer, a large screen (smart television), and the like.
In some embodiments of the present application, the communication between the network access device 10 and the routers (the master router 11 and the slave router 12) can be performed through a DHCP network protocol, which mainly has two roles, one is to automatically assign an IP address to an internal network or a network service provider, and the other is to provide a user or an internal network administrator as a means for centrally managing all computers. The UDP67 port and the UDP68 port in the DHCP are normal DHCP service ports, which are respectively used as service ports of a DHCP Server (DHCP Server) and a DHCP Client (DHCP Client), and the DHCP Client is the network access device in this embodiment.
As shown in fig. 1(b), when the communication link between the master router 11 and the slave router 12 is normally connected (the master router 11 is normally powered on), the communication process between the DHCP client (network access device) and the master router 11 is specifically:
s10: the DHCP client sends an IP address allocation request to the DHCP server (first DHCP server) of the main router 11, requesting the DHCP server of the main router 11 to allocate an IP address.
S11: the DHCP server of the master router 11 responds to the IP address allocation request to allocate an IP address to the DHCP client, after receiving the IP address allocated by the DHCP server of the master router 11, sends a feedback instruction to the DHCP server of the master router 11 (the feedback instruction describes that the DHCP client successfully receives the IP address allocated by the DHCP server of the master router 11), and after receiving the feedback instruction, the DHCP server of the master router 11 sends an acknowledgement instruction to the DHCP client (the acknowledgement instruction describes that the DHCP client formally accesses the network of the master router 11), so that the DHCP client completes the process of accessing the network of the master router 11, the master router provides the network for the DHC client, and the DHCP client can also access the slave router 12 to provide the network for the DHCP client, and it should be noted that, when the communication link between the master router 11 and the slave router 12 is normal, the slave router acts only as a switch, providing a network for the DHCP client as a transit.
When the communication link between the master router 11 and the slave router 12 is abnormally disconnected, the communication process between the DHCP client and the slave router 12 is as follows:
s12: the communication link between the master router and the slave router is changed from a normal state to an abnormal state (the master router 11 is abnormally powered off or restarted), the DHCP server (second DHCP server) of the slave router 12 is turned on, the DHCP server of the master router 11 is turned off, the DHCP server of the slave router 12 is turned on, a new IP address (first IP address) is newly assigned to the mobile phone by the DHCP server of the slave router 12, and the mobile phone accesses the network of the slave router 12 by using the new IP address. Here, when the master router 11 and the slave router 12 are abnormally powered off or the master router 11 is restarted, the communication link between the master router 11 and the slave router 12 is disconnected, at this time, the DHCP server of the master router 11 is turned off, the DHCP server of the slave router 12 is turned on, and the DHCP service normal state of the master router 11 is converted into the DHCP service abnormal state.
S13: when the communication link between the master router 11 and the slave router 12 is restored to the normal state from the disconnected state, the DHCP server of the slave router 12 (for example, the maintenance address is 192.168.2.1) sends a notification to the mobile phone to release the IP address (for example, 192.168.2.2) allocated to the mobile phone from the router 12, wherein the communication link between the master router 11 and the slave router 12 is disconnected due to an abnormal power failure or when the master router 11 is restarted, at this time, the DHCP server of the master router 11 is turned off, the DHCP server of the slave router 12 is turned on, and the DHCP service normal state of the master router 11 is converted into the DHCP service abnormal state. Among other things, the data contained in the release IP notification may identify DHCP client 10 of DHCP client 10 (e.g., the MAC address of DHCP client 10) and the first IP address allocated from router 12 to DHCP client 10.
S14: the DHCP client 10 responds to the release IP notification, releases the IP address acquired from the slave router 12, and sends feedback confirmation information to the slave router 12. The acknowledgement information may contain information indicating the status of successful release of the I address by the DHCP client 10.
The slave router 12 shuts down the DHCP server of the slave router 12 based on the acknowledgement information from the DHCP client 10. Wherein, after receiving from the router 12 that the DHCP client 10 has received the IP address successfully allocated from the router 12, the DHCP server is turned off.
S15: the DHCP client 10 requests the DHCP server of the master router 11 to reallocate an IP address, and the DHCP server of the master router 11 reallocates an IP address to the DHCP client 10 in response to the request of the DHCP client 10.
S16: the DHCP client 10 obtains the IP address reallocated by the DHC server of the master router 11 from the DHCP server of the master router 11, and after obtaining the IP address reallocated by the DHCP client 10 from the DHCP server of the master router 11, the DHCP client may access the master router 11 to provide a network for the DHCP client 10 by the master router 11, or may access the slave router 12 to provide a network for the DHCP client 10 by using the slave router 12 as a relay.
Further, in some embodiments of the present application, the DHCP client 10 may be connected to the router wirelessly or through a wire.
As shown in fig. 2, in the application scenario, taking a network access device as a mobile phone as an example, fig. 2 is a schematic structural diagram of a mobile phone disclosed in the embodiment of the present application, where the mobile phone 20 may include, but is not limited to, a processor 210, a power supply 220, a memory 230, a mobile communication module 240, a wireless communication module 250, an audio module 260, a display screen 270, and the like.
It is to be understood that the illustrated structure of the embodiment of the present invention does not specifically limit the handset 20. In other embodiments of the present application, handset 20 may include more or fewer components than shown, or some components may be combined, some components may be separated, or a different arrangement of components may be used. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
The processor 210 may include one or more Processing units, for example, Processing modules or Processing circuits that may include a central Processing Unit (cpu), (central Processing Unit), an image Processing Unit (gpu), (graphics Processing Unit), a Digital Signal Processor (DSP), a microprocessor MCU (Micro-programmed Control Unit), an AI (Artificial Intelligence) processor, or a Programmable logic device (fpga), (field Programmable Gate array), etc. The different processing units may be separate devices or may be integrated into one or more processors. A memory unit may be provided in the processor 210 for storing instructions and data. In some embodiments, the storage unit in processor 210 is a cache memory.
The power module 220 may include a power supply, power management components, and the like. The power management component is used for managing the charging of the power supply and the power supply of the power supply to other modules.
The mobile communication module 240 may include, but is not limited to, an antenna, a power amplifier, a filter, an LNA (Low noise amplifier), and the like. The mobile communication module 240 may provide a solution including wireless communication of 2G/3G/4G/5G, etc. applied to the handset 20. The mobile communication module 240 may receive electromagnetic waves from the antenna, filter, amplify, etc. the received electromagnetic waves, and transmit the electromagnetic waves to the modem processor for demodulation. The mobile communication module 240 may also amplify the signal modulated by the modem processor, and convert the signal into electromagnetic wave through the antenna to radiate the electromagnetic wave. In some embodiments, at least some of the functional modules of the mobile communication module 240 may be disposed in the processor 210. In some embodiments, at least some of the functional modules of the mobile communication module 240 may be disposed in the same device as at least some of the modules of the processor 210. The Wireless Communication technology may include Global System for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), time division code division multiple access (time-division multiple access, TD-SCDMA), long term evolution (long term evolution, LTE), BT (Bluetooth), GNSS (Global Navigation Satellite System), WLAN (Wireless Local Area network), NFC (Near Field Communication), FM (radio, Frequency Modulation), and/or IR (Infrared, Global Positioning Satellite (GPS) and/or the like), beidou satellite navigation system (BDS), quasi-zenith satellite system (QZSS) and/or Satellite Based Augmentation System (SBAS).
The wireless communication module 250 may include an antenna and implement transceiving of an audio signal via the antenna. The wireless communication module 250 may provide a solution for wireless communication applied to the mobile phone 20, including Wireless Local Area Networks (WLANs) (such as wireless fidelity (Wi-Fi) networks), Bluetooth (BT), Global Navigation Satellite System (GNSS), Frequency Modulation (FM), Near Field Communication (NFC), and the like. Handsets 20 may access the network of master router 11 and slave router 12 through Wi-Fi.
In some embodiments, mobile communication module 240 and wireless communication module 250 of handset 20 may also be located in the same module.
The display screen 270 is used to display a human-computer interaction interface, images, videos, and the like. The display screen 270 includes a display panel. The display panel may be a Liquid Crystal Display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode (active-matrix organic light-emitting diode, AMOLED), a flexible light-emitting diode (FLED), a miniature, a Micro-oeld, a quantum dot light-emitting diode (QLED), or the like.
The audio module 260 is configured to convert a digital audio signal into an analog audio signal and output the analog audio signal through a speaker of the mobile phone, or convert an analog audio signal input collected by a microphone into a digital audio signal. The audio module 260 may also be used to encode and decode audio signals. In some embodiments, the audio module 260 may be disposed in the processor 210, or some functional modules of the audio module 260 may be disposed in the processor 210.
The audio module 260 may include, but is not limited to, a speaker 261, an earpiece 262, and a microphone 263. The speaker 261 converts an audio signal into a sound signal and outputs the sound signal. The cellular phone 20 can listen to music through the speaker 261 or listen to a handsfree call. The receiver 262, also called "receiver", is used to convert the audio electrical signal into an acoustic signal and output the acoustic signal. When the cellular phone 20 answers a call, performs a network voice call, or outputs voice information, it is possible to answer a voice near the ear of a person through the handset 262. The microphone 263 is used to convert the collected sound signal into an electrical signal. In some embodiments, microphone 263 may include a primary microphone disposed at the bottom of handset 20 and a secondary microphone disposed at the top of handset 20.
As shown in fig. 3, fig. 3 is a schematic structural diagram of a router disclosed in the embodiment of the present application, where the router 30 includes: memory 301, processor 302, interface 303, console port 304, auxiliary port 305, and power module 306.
It is to be understood that the illustrated structure of the embodiment of the present application does not constitute a specific limitation to the router 30. In other embodiments of the present application, router 30 may include more or fewer components than shown, or some components may be combined, some components may be split, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
In some embodiments of the present application, the memory 301 may be a non-volatile memory, a random access memory, a flash memory, and a read only memory, where the random access memory discards information when the router is started or during a power supply interval, the read only memory stores startup software of the router, the startup software is first software run by the router and is responsible for the router entering a normal operating state, the router stores a complete operating system as a backup in the random access memory so as to be used as a backup when the operating system is not used, and the read only memory is usually disposed on one or more chips and soldered on a motherboard of the router. The main purpose of the flash memory is to store the operating system of the router 30, maintain the normal operation of the router, and if the router is installed with the flash memory, mainly boot the default location of the operating system of the router, so long as the capacity of the flash memory is sufficient, multiple operating system images can be saved to provide multiple boot options. The main purpose of the non-volatile memory is to store configuration data (boot configuration) that is read in when the operating system boots. The random access memory is mainly used as an operating system table and a buffer storage area, and the operating system can meet all conventional storage requirements through the random access memory so that the router can quickly access the information, wherein the storage speed of the random access memory is superior to the three types mentioned above.
The processor 302 may include one or more Processing units, for example, Processing modules or Processing circuits that may include a central Processing Unit (cpu), (central Processing Unit), an image Processing Unit (gpu), (graphics Processing Unit), a Digital Signal Processor (DSP), a microprocessor MCU (Micro-programmed Control Unit), an AI (Artificial Intelligence) processor, or a Programmable logic device (fpga), (field Programmable Gate array), etc. The different processing units may be separate devices or may be integrated into one or more processors. A memory unit may be provided in the processor 302 for storing instructions and data. In some embodiments, the memory location in processor 302 is a cache memory.
The interfaces 303 of the router 30 all have their own names and numbers, the full name of an interface is composed of the type mark and the number of the interface, the number is from 0, for the router with fixed interface or the router with modular interface, only one number is used in the full name of the interface, and the numbering is performed according to the physical sequence of the interface in the router, for example, Ethernet0 represents the 1 st Ethernet interface, Serial1 represents the 2 nd Serial port. For a router supporting 'online plugging and deleting' or having a function of changing physical interface configuration, the whole name of an interface at least comprises two numbers, and the middle part is divided by a slash '/', wherein the 1 st number represents a slot number, and the 2 nd number represents a port number in an interface card. For a router supporting "universal interface processor", its interface number is in the form of "slot/port adapter/port number", e.g. Ethernet4/0/1 is the 2 nd Ethernet interface of the 1 st port adapter on slot number 4.
The console port 304 is a port that allows a user or administrator to communicate with the router 30 using a network access device to complete the configuration of the router, and provides an EIA/TIA-232 asynchronous serial interface for configuration at the router 30.
Auxiliary port 305, similar to console port 304, also provides an EIA/TIA-232 asynchronous serial interface, except that it is often used to interface with modems to enable remote management of routers.
The power module 306 may include a power supply, power management components, and the like. The power management component is used for managing the charging of the power supply and the power supply of the power supply to other modules.
Referring to fig. 4, fig. 4 is a schematic flow chart of a communication method based on networking of a master router and a slave router, which is disclosed in the embodiment of the present invention, and is used for providing a network for a mobile phone when a DHCP service abnormal state of the master router is recovered to a DHCP normal state (a communication link between the master router and the slave router is recovered to a normal connection state by a route interruption state), and taking the mobile phone as an example, the communication method based on networking of the master router and the slave router includes:
step S40: when the communication link between the master router and the slave router is normal (normal connection state), that is, the master router is in a normal power-on state, the DHCP server of the master router (for example, the maintenance address is 192.168.1.1) allocates an IP address (for example, 192.168.1.2) to the mobile phone requesting to access the network, and the mobile phone accesses the network provided by the master router through the IP address. The mobile phone can communicate with the router through the WIFI network and can also be connected with the router through the wired network. Further, the mobile phone may also access the slave router, and the slave router provides a network for the mobile phone, and it should be noted that when the communication link between the master router and the slave router is normal, the slave router only serves as a relay to provide the network for the mobile phone.
Step S41: when the communication link between the master router and the slave router is changed from a normal state to an abnormal state (disconnected state), the DHCP server of the master router is closed, the DHCP server of the slave router is opened, a new IP address is reallocated to the mobile phone by the DHCP server of the slave router, and the mobile phone accesses the network of the slave router by using the new IP address. The communication link between the master router and the slave router is disconnected due to abnormal power-off or restarting of the master router, at the moment, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state.
Step S42: when the communication link of the master router and the slave router is restored to the normal state by the disconnected state, the slave router (for example, the maintenance address is 192.168.2.1) sends a notice of releasing the first IP address (for example, 192.168.2.2) allocated to the mobile phone by the slave router to the mobile phone, wherein, the communication link between the master router and the slave router is disconnected due to abnormal power failure or restarting of the master router, at this time, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data contained in the release IP notification may be a mobile phone identifier (such as a MAC address of the mobile phone) of the mobile phone and an IP address allocated to the mobile phone from the router, where the mobile phone identifier indicates an object sent by the release IP address to accurately locate the mobile phone.
Step S43: the handset responds to the IP releasing notice, releases the IP address distributed by the slave router acquired from the slave router, and sends feedback confirmation information to the slave router. Wherein the acknowledgement information may contain information indicating a status that the handset successfully releases the IP address assigned from the router.
Step S44: and the slave router closes the DHCP server of the slave router based on the confirmation information from the mobile phone. And after the mobile phone receives the IP address successfully distributed from the router, the slave router shuts down the DHCP server. The mobile phone requests the DHCP server of the main router to reallocate the IP address, and the DHCP server of the main router responds to the request of the mobile phone to reallocate the IP address for the mobile phone.
Step S45: the mobile phone acquires the IP address redistributed by the DHCP server of the main router from the DHCP server of the main router, and after acquiring the redistributed IP address from the DHCP server of the main router, the mobile phone can be accessed to the main router to provide a network for the mobile phone by the main router, and can also be accessed to the slave router to provide the network for the mobile phone by the slave router as a transit. Wherein, the cell-phone can pass through WIFI with the main router and connect, also can connect with the main router through wired network, among the prior art, if cell-phone and main router pass through WIFI to be connected, when the communication link between main router and the slave router resumes normal, need to disconnect the WIFI of cell-phone and reconnect, if cell-phone and main router wired connection, when the communication link between main router and the slave router resumes normal, then need to drop the ethernet mouth of main router off the production line again, so, the operation that the cell-phone reinserts main router network is very complicated, user experience sense has been reduced.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the mobile phone, so that the mobile phone releases the IP address allocated from the slave router, the mobile phone does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the mobile phone requests the master router to reallocate the IP address, and the purpose of network access can be achieved after the mobile phone acquires the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the mobile phone releases the IP address distributed by the slave router, the slave router also closes the DHCP server, the mobile phone can obtain the IP address again from the master router without forcibly disconnecting the mobile phone, the operation that the mobile phone obtains the IP address again from the master router is simplified, and the user experience is improved.
Referring to fig. 5, fig. 5 is a communication method based on a master router and a slave router for networking, which is disclosed in the embodiment of the present application, and is used for providing a network for a mobile phone when a DHCP service abnormal state of the master router is recovered to a DHCP normal state (a communication link between the master router and the slave router is recovered to a normal connection state by a route interruption state), and taking the mobile phone as an example, the communication method based on the master router and the slave router for networking includes:
step S50: and the slave router recovers the DHCP service abnormal state into a DHCP service normal state according to the master router, and sends an IP release notification to the mobile phone. When the communication link of the master router and the slave router is restored to the normal state by the disconnected state, the DHCP server of the slave router (for example, the maintenance address is 192.168.2.1) sends a notification to the mobile phone to release the IP address (for example, 192.168.2.2) allocated to the mobile phone by the slave router, wherein the communication link between the master router and the slave router is disconnected due to abnormal power failure or restart of the master router, at this time, the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data contained in the release IP notification may be a handset identifier (such as a MAC address of the handset) of the handset and an IP address allocated to the handset from the router.
Further, in some embodiments of the present application, when the communication link between the master router and the slave router changes from a normal state to an abnormal state (disconnected state), the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, a new IP address is reassigned to the mobile phone by the DHCP server of the slave router, and the mobile phone accesses the network of the slave router by using the new IP address. The communication link between the master router and the slave router is disconnected due to abnormal power-off or restarting of the master router, at the moment, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state.
Step S51: and receiving confirmation information fed back by the mobile phone in response to the IP release notification from the router. The confirmation message may include information indicating a state in which the mobile phone successfully releases the IP address allocated to the mobile phone from the router.
Step S52: and the slave router closes the first DHCP server based on the confirmation information from the mobile phone. And after the mobile phone receives the IP address successfully distributed from the router, the slave router shuts down the DHCP server. The mobile phone requests the DHCP server of the main router to reallocate the IP address, and the DHCP server of the main router responds to the request of the mobile phone to reallocate the IP address for the mobile phone.
Step S53: the slave router provides a network to the handset of the IP address obtained from the second DHCP server of the master router. The access slave router provides a network for the mobile phone as a transit.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the mobile phone, so that the mobile phone releases the IP address allocated from the slave router, the mobile phone does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the mobile phone requests the master router to reallocate the IP address, and the purpose of network access can be achieved after the mobile phone acquires the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the mobile phone releases the IP address distributed by the slave router, the slave router also closes the DHCP server, the mobile phone can obtain the IP address again from the master router without forcibly disconnecting the mobile phone, the operation that the mobile phone obtains the IP address again from the master router is simplified, and the user experience is improved.
Referring to fig. 6, fig. 6 is a communication method based on a master router and a slave router for networking, which is disclosed in the embodiment of the present application, and is used for providing a network for a mobile phone when a DHCP service abnormal state of the master router is recovered to a DHCP normal state (a communication link between the master router and the slave router is recovered to a normal connection state by a route interruption state), where the communication method based on the master router and the slave router for networking includes:
step S60: the main router receives an allocation request of the IP address sent by the network access equipment, wherein the allocation request of the IP address is sent after the network access equipment releases the IP address allocated from the router.
When the communication link of the master router and the slave router is restored to the normal state by the disconnected state, the DHCP server of the slave router (for example, the maintenance address is 192.168.2.1) sends a notification to the mobile phone to release the IP address (for example, 192.168.2.2) allocated to the mobile phone by the slave router, wherein the communication link between the master router and the slave router is disconnected due to abnormal power failure or restart of the master router, at this time, the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state. The data contained in the release IP notification may be a mobile phone identifier (such as a MAC address of the mobile phone) of the mobile phone and an IP address allocated to the mobile phone from the router, where the mobile phone identifier indicates an object sent by the release IP address to accurately locate the mobile phone.
Further, in some embodiments of the present application, when the communication link between the master router and the slave router changes from a normal state to an abnormal state (disconnected state), the DHCP server of the master router is turned off, the DHCP server of the slave router is turned on, a new IP address is reassigned to the mobile phone by the DHCP server of the slave router, and the mobile phone accesses the network of the slave router by using the new IP address. The communication link between the master router and the slave router is disconnected due to abnormal power-off or restarting of the master router, at the moment, the DHCP server of the master router is closed, the DHCP server of the slave router is opened, and the DHCP service normal state of the master router is converted into the DHCP service abnormal state.
Further, receiving confirmation information from the router, wherein the confirmation information is fed back by the mobile phone in response to the IP release notification.
Further, after receiving that the handset has successfully received the IP address assigned from the router, the slave router turns off the DHCP server and then proceeds to step S61.
Step S61: the main router responds to the allocation request of the mobile phone to reallocate the IP address for the mobile phone and provides a network for the mobile phone. After the master router (for example, the maintenance address is 192.168.1.1) reallocates the IP address (for example, 192.168.1.2) to the mobile phone, the mobile phone accesses the network of the master router according to the IP address reallocated by the master router.
According to the communication method based on the networking of the master router and the slave router, after a communication link of the master router and the slave router is recovered, the slave router sends an IP release notification to the mobile phone, so that the mobile phone releases the IP address allocated from the slave router, the mobile phone does not occupy the IP address, the slave router closes a DHCP server of the slave router at the moment, the mobile phone requests the master router to reallocate the IP address, and the purpose of network access can be achieved after the mobile phone acquires the IP address. Therefore, after the communication link of the master router and the slave router is recovered, the mobile phone releases the IP address distributed by the slave router, the slave router also closes the DHCP server, the mobile phone can obtain the IP address again from the master router without forcibly disconnecting the mobile phone, the operation that the mobile phone obtains the IP address again from the master router is simplified, and the user experience is improved.
Claims (16)
1. A communication method based on master router and slave router networking is characterized in that the communication method is used for providing a network for a network access device when the master router recovers from a DHCP service abnormal state to a DHCP service normal state, and the communication method comprises the following steps:
the slave router recovers from the abnormal DHCP service state to the normal DHCP service state according to the main router, and sends a release IP notification to the network access equipment,
the network access equipment responds to the IP releasing notification, releases the first IP address acquired from the slave router and feeds back confirmation information to the slave router,
the slave router closes a DHCP server of the slave router based on the confirmation information from the network access equipment; and
and the network access equipment acquires the second IP address distributed by the DHCP server of the main router from the DHCP server of the main router.
2. The master router and slave router networking based communication method according to claim 1, wherein the releasing the IP notification comprises: the device identification of the network access device and the first IP address distributed to the network access device by the slave router.
3. The communication method according to claim 2, wherein when the DHCP service of the master router is normal, the network access device accesses the master router, the master router provides the DHCP service and provides the network for the network access device, and when the DHCP service of the master router is abnormal, the network access device accesses the slave router, the slave router provides the DHCP service and provides the network for the network access device.
4. The master router and slave router networking based communication method according to any one of claims 1 to 3, wherein the acknowledgement information includes information indicating a state in which the network-accessing device successfully releases the first IP address.
5. The communication method based on master router and slave router networking according to any one of claims 1-3, characterized in that, the network access device is a mobile phone, and the mobile phone is wirelessly connected with the master router and the slave router.
6. The master router and slave router networking based communication method according to any one of claims 1-3, wherein when the master router is restored from the DHCP service abnormal state to the DHCP service normal state, the communication link of the master router and the slave router is restored.
7. The master router and slave router networking based communication method according to any one of claims 1-3, wherein the network entry device obtaining the second IP address allocated by the DHCP server of the master router from the DHCP server of the master router comprises:
the network access equipment requests a DHCP server of the main router to allocate a second IP address, and the DHCP server of the main router responds to the request of the network access equipment to allocate the second IP address to the network access equipment.
8. A master router and slave router networking based communication method according to any of claims 1-3, wherein the DHCP service exception of the master router is caused by a master router restart or a master router abnormal power down.
9. A communication method based on master router and slave router networking is characterized in that the communication method is applied to the slave router, and when the master router is recovered from a DHCP service abnormal state to a DHCP service normal state, a network is provided for a network access device, and the communication method comprises the following steps:
according to the main router, recovering from the abnormal DHCP service state to the normal DHCP service state, and sending an IP release notification to the network access equipment;
receiving confirmation information which is obtained by the network access equipment responding to the IP releasing notification to release the first IP address acquired from the slave router and fed back;
closing a first DHCP server of the slave router based on the confirmation information from the network access equipment;
providing a network to the network access device of the second IP address acquired from the second DHCP server of the main router.
10. The master router and slave router networking based communication method according to claim 9, wherein the releasing the IP notification comprises: the device identification of the network access device and the first IP address distributed to the network access device by the slave router.
11. The master router and slave router networking based communication method according to claim 9 or 10, wherein when the master router is restored from a DHCP service abnormal state to a DHCP service normal state, the communication link of the master router and the slave router is restored.
12. The master router and slave router networking based communication method according to claim 9 or 10, wherein the second IP address obtained by the network entry device from the second DHCP server of the master router includes:
the network access equipment requests a second DHCP server of the main router to allocate a second IP address, and the second DHCP server of the main router responds to the request of the network access equipment to allocate the second IP address for the network access equipment.
13. The master router and slave router networking based communication method according to claim 9 or 10, wherein the DHCP service exception of the master router is caused by a master router restart or a master router abnormal power down.
14. A communication method based on master router and slave router networking is characterized in that the communication method is applied to the master router, and when the master router is recovered from a DHCP service abnormal state to a DHCP service normal state, a network is provided for a network access device, and the communication method comprises the following steps:
receiving an allocation request of a second IP address sent by the network access equipment, wherein the allocation request of the second IP address is sent after the network access equipment releases the first IP address allocated by the slave router based on a release IP notification from the slave router and feeds back confirmation information to the slave router, the release IP notification is sent by the slave router according to the recovery of the abnormal state of the DHCP service of the master router into the normal state of the DHCP service, and the confirmation information indicates the slave router to close the DHCP server;
and responding to the allocation request of the network access equipment to allocate the second IP address for the network access equipment and provide a network for the network access equipment.
15. The master router and slave router networking based communication method according to claim 14, wherein the releasing the IP notification comprises: the device identification of the network access device and the first IP address distributed to the network access device by the slave router.
16. A communication system, comprising: the system comprises a master router, a slave router and a network access device;
the master router and the slave router are connected, and the network access device accesses the master router or the slave router;
providing a network for the network access equipment when the communication link of the master router and the slave router recovers networking again;
wherein providing a network for the network access device comprises:
the slave router recovers from the abnormal DHCP service state to the normal DHCP service state according to the main router, and sends a release IP notification to the network access equipment,
the network access equipment responds to the IP releasing notification, releases the first IP address acquired from the slave router and feeds back confirmation information to the slave router,
the slave router closes a DHCP server of the slave router based on the confirmation information from the network access equipment; and
the network access equipment acquires a second IP address distributed by a DHCP server of the main router from the DHCP server of the main router;
the network access equipment accesses the main router based on the second IP address, and the main router provides a network for the network access equipment;
or accessing the slave router, and using the slave router as the relay to provide the network for the network access device.
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| CN112333013B (en) * | 2020-10-26 | 2023-07-11 | 北京自如信息科技有限公司 | Self-adaptive networking method, device, router and storage medium |
| CN112738834A (en) * | 2021-01-04 | 2021-04-30 | 烽火通信科技股份有限公司 | MESH networking network emergency management method and electronic equipment |
| CN113950010B (en) * | 2021-12-20 | 2022-04-01 | 博为科技有限公司 | Mesh-based automatic networking opening method and related equipment |
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