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CN109981462B - Message processing method and device - Google Patents

Message processing method and device Download PDF

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Publication number
CN109981462B
CN109981462B CN201910244113.9A CN201910244113A CN109981462B CN 109981462 B CN109981462 B CN 109981462B CN 201910244113 A CN201910244113 A CN 201910244113A CN 109981462 B CN109981462 B CN 109981462B
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gateway
information
wireless terminal
terminal
address information
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CN109981462A (en
Inventor
张司宇
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New H3C Information Technologies Co Ltd
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Hangzhou H3C Technologies Co Ltd
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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
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0272—Virtual private networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a message processing method and a device, which are applied to any AP in a Fat AP networking, wherein the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, each non-gateway AP is respectively in communication connection with the gateway AP, after a message to be forwarded is received, the source address information and the destination address information of the message to be forwarded are obtained from the message to be forwarded, on the basis of online information, the SSID corresponding to the source address information and the SSID corresponding to the destination address information are inquired, and the online information comprises the address information of a wireless terminal currently accessed into the Fat AP networking and the SSID of a BSS port accessed by the wireless terminal; judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information; if the two messages are the same, discarding the message to be forwarded. By applying the method, the message to be forwarded can not be forwarded between the wireless terminals in the same virtual local area network, thereby realizing the user isolation between the wireless terminals.

Description

Message processing method and device
Technical Field
The present invention relates to the field of network communication technologies, and in particular, to a method and an apparatus for processing a packet.
Background
In some scenarios, it is possible to partition the virtual local area networks based on SSID (Service Set Identifier), and partition the wireless terminals with the same SSID into the same virtual local area network, and in order to protect data security between different wireless terminals, the wireless terminals in the same virtual local area network cannot access each other, so that it is necessary to perform user isolation on the wireless terminals with the same SSID.
In the networking of AC (Access Controller ) + Fit APs (Fit Access points, thin wireless Access nodes), each Fit AP has only encryption and radio frequency functions, and the wireless terminals accessed on the Fit AP are uniformly controlled by the AC, so that each FitAP can send the received message to the AC after receiving the message, the AC analyzes the obtained message, judges whether the source address information of the message and the destination address information of the message are the address information of the wireless terminal in the Access networking, if so, the wireless terminals corresponding to the source address information and the destination address information are respectively called a source wireless terminal and a destination wireless terminal, then judges whether the SSID of a BSS (Basic Service Set) port accessed by the source wireless terminal of the message is the same as the SSID of a BSS port accessed by the destination wireless terminal, if so, the source wireless terminal and the destination wireless terminal of the message belong to the same virtual LAN, then no traffic is allowed to pass through, thereby achieving the SSID-based user isolation effect.
However, in some cases, the wireless terminals belong to Fat wireless Access Point (Fat wireless Access Point) networking, in the Fat AP networking, an AC is not configured, each Fat AP only knows the wireless terminal accessed by itself and the BSS of itself, and after obtaining a message, it cannot be determined whether the source address information of the message is the address information of the wireless terminal accessed by the networking, and further cannot obtain the SSID of the BSS port accessed by the source wireless terminal of the message, so that the user isolation effect based on the SSID cannot be achieved.
Therefore, a message processing method applied to Fat AP networking is needed.
Disclosure of Invention
The embodiment of the invention aims to provide a message processing method to realize user isolation aiming at Fat AP networking. The specific technical scheme is as follows:
the embodiment of the invention provides a message processing method, which is applied to any AP in a Fat AP (access point) networking, wherein the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, and each non-gateway AP is respectively in communication connection with the gateway AP, and the method comprises the following steps:
after receiving a message to be forwarded, acquiring source address information and destination address information of the message to be forwarded from the message to be forwarded;
inquiring a Service Set Identifier (SSID) corresponding to the source address information and an SSID corresponding to the destination address information based on online information, wherein the online information comprises address information of a wireless terminal which is currently accessed to the Fat AP networking and the SSID of a BSS port which is accessed by the wireless terminal;
judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
and if the two messages are the same, discarding the message to be forwarded.
Optionally, after receiving the message to be forwarded, obtaining the source address information and the destination address information of the message to be forwarded from the message to be forwarded, including:
after receiving a message to be forwarded, acquiring destination address information of the message to be forwarded from the message to be forwarded;
judging whether the destination address information is the address information of the wireless terminal accessed to the AP or not;
if yes, obtaining source address information of the message to be forwarded, and executing the step of inquiring the SSID corresponding to the source address information and the SSID corresponding to the destination address information based on the online information.
Optionally, the AP is a non-gateway AP; the method further comprises the following steps:
establishing connection with the gateway AP, and reporting terminal information of a wireless terminal currently accessed to the AP to the gateway AP so that the gateway AP generates and issues online information according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed to the gateway AP;
and receiving the online information issued by the gateway AP.
Optionally, after establishing the connection with the gateway AP and reporting the terminal information of the wireless terminal currently accessing the AP to the gateway AP, the method further includes:
if a new wireless terminal is accessed, reporting the terminal information of the newly accessed wireless terminal to the gateway AP so that the gateway AP sends the terminal information of the newly accessed wireless terminal to a non-gateway AP except the AP;
and updating the online information according to the terminal information of the newly accessed wireless terminal.
Optionally, after establishing the connection with the gateway AP and reporting the terminal information of the wireless terminal currently accessing the AP to the gateway AP, the method further includes:
if the wireless terminal is disconnected with the AP, reporting the terminal information of the disconnected wireless terminal so that the gateway AP sends the terminal information of the disconnected wireless terminal to a non-gateway AP except the AP;
and updating the online information according to the terminal information of the disconnected wireless terminal.
Optionally, the AP is a gateway AP; the method further comprises the following steps:
establishing connection with the non-gateway APs, and receiving terminal information of the wireless terminal which is currently accessed to the non-gateway APs and reported by each non-gateway AP;
and generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the APs.
Optionally, after generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the AP itself, the method further includes:
receiving terminal information of a newly accessed wireless terminal reported by each non-gateway AP, and/or acquiring the terminal information of the newly accessed wireless terminal of the AP;
and issuing the terminal information of the newly accessed wireless terminal to the plurality of non-gateway APs so that the plurality of non-gateway APs update the online information according to the terminal information of the newly accessed wireless terminal.
Optionally, after generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the AP itself, the method further includes:
receiving terminal information of a disconnected wireless terminal reported by each non-gateway AP, and/or acquiring the terminal information of the wireless terminal disconnected with the AP;
and issuing the terminal information of the disconnected wireless terminal to the plurality of non-gateway APs so that the plurality of non-gateway APs update the online information according to the terminal information of the disconnected wireless terminal.
The embodiment of the present invention further provides a packet processing device, which is applied to any AP in a Fat AP networking, where the Fat AP networking includes a gateway AP and a plurality of non-gateway APs, and each non-gateway AP is in communication connection with the gateway AP, and the device includes:
the device comprises an acquisition module, a forwarding module and a forwarding module, wherein the acquisition module is used for acquiring source address information and destination address information of a message to be forwarded from the message to be forwarded after receiving the message to be forwarded;
the inquiry module is used for inquiring a Service Set Identifier (SSID) corresponding to the source address information and an SSID corresponding to the destination address information based on online information, wherein the online information comprises address information of a wireless terminal which is currently accessed to the Fat AP networking and the SSID of a BSS port which is accessed by the wireless terminal;
the judging module is used for judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
and the forwarding module is used for discarding the message to be forwarded under the condition that the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information.
Optionally, the obtaining module is specifically configured to:
after receiving a message to be forwarded, acquiring destination address information of the message to be forwarded from the message to be forwarded;
judging whether the destination address information is the address information of the wireless terminal accessed to the AP or not;
if yes, obtaining source address information of the message to be forwarded, and executing the step of inquiring the SSID corresponding to the source address information and the SSID corresponding to the destination address information based on the online information.
Optionally, the AP is a non-gateway AP; the device further comprises:
a reporting module, configured to establish a connection with the gateway AP, and report terminal information of a wireless terminal currently accessing the AP to the gateway AP, so that the gateway AP generates and issues online information according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the gateway AP;
and the online information processing module is used for receiving the online information issued by the gateway AP.
Optionally, the reporting module is further configured to report terminal information of a newly accessed wireless terminal if the new wireless terminal is accessed, so that the gateway AP issues the terminal information of the newly accessed wireless terminal to a non-gateway AP other than the AP;
and the online information processing module is also used for updating the online information according to the terminal information of the newly accessed wireless terminal.
Optionally, the reporting module is further configured to report terminal information of a disconnected wireless terminal if there is a wireless terminal disconnected from the AP, so that the gateway AP issues the terminal information of the disconnected wireless terminal to a non-gateway AP except the AP;
and the online information processing module is also used for updating the online information according to the terminal information of the disconnected wireless terminal.
Optionally, the AP is a gateway AP; the device further comprises:
the receiving module is used for establishing connection with the plurality of non-gateway APs and receiving the terminal information of the wireless terminal which is currently accessed to the non-gateway APs and reported by each non-gateway AP;
and the issuing module is used for generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the APs.
Optionally, the receiving module is further configured to receive terminal information of a newly-accessed wireless terminal reported by each non-gateway AP, and/or obtain terminal information of a wireless terminal newly-accessed to the AP;
the issuing module is further configured to issue terminal information of the newly accessed wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the newly accessed wireless terminal.
Optionally, the receiving module is further configured to receive terminal information of the disconnected wireless terminal reported by each non-gateway AP, and/or obtain terminal information of the wireless terminal disconnected from the AP;
the issuing module is further configured to issue terminal information of the disconnected wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the disconnected wireless terminal.
The embodiment of the invention also provides electronic equipment which comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
the memory is used for storing a computer program;
the processor is configured to implement any of the above-described message processing methods when executing the program stored in the memory.
The embodiment of the present invention further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements any of the above-mentioned message processing methods.
An embodiment of the present invention further provides a computer program product including instructions, which, when running on a computer, causes the computer to execute any of the above-mentioned message processing methods.
The message processing method and device provided by the embodiment of the invention are applied to APs in a Fat AP networking, wherein the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, each non-gateway AP is respectively in communication connection with the gateway AP, after a message to be forwarded is received, source address information and destination address information of the message to be forwarded are obtained from the message to be forwarded, then, on the basis of online information, an SSID corresponding to the source address information and an SSID corresponding to the destination address information are inquired, wherein the online information comprises the address information of a wireless terminal currently accessed into the Fat AP networking and the SSID of a BSS port accessed by the wireless terminal, and further, whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information is judged, and if the SSID is the same, the message to be forwarded is discarded.
Thus, the online information includes the address information of the wireless terminal currently accessed to the Fat AP network and the SSID of the BSS port accessed by the wireless terminal, based on which, if the AP can inquire the source address information and the destination address information of the message to be forwarded in the online information, which indicates that the source address information and the destination address information of the message to be forwarded are both the address information of the wireless terminal accessed to the Fat AP network, further, the online information can inquire the SSID corresponding to the source address information and the destination address information, and if the SSID corresponding to the source address information and the SSID corresponding to the destination address information of the message to be forwarded are the same, it indicates that the wireless terminal corresponding to the source address information and the wireless terminal corresponding to the destination address information of the message to be forwarded are in the same virtual local area network, then the message to be forwarded is discarded, and the message to be forwarded cannot be forwarded between the wireless terminals in the same virtual local area network, therefore, user isolation among wireless terminals is realized, and communication safety under Fat AP networking is improved. Of course, it is not necessary for any one product or method of practicing the invention to achieve all of the above advantages.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a message processing method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a Fat AP networking system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a message processing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem that in a Fat AP networking, an AC is not configured, each Fat AP only knows the wireless terminal accessed by the Fat AP and the BSS condition of the Fat AP, whether the source address information of a received message is the address information of the wireless terminal accessed by the networking cannot be distinguished, and further, the SSID of the BSS port accessed by the source wireless terminal of the message cannot be obtained, so that the user isolation effect based on the SSID cannot be achieved, the embodiment of the invention provides a message processing method, which is applied to any AP in the Fat AP networking, wherein the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, and each non-gateway AP is in communication connection with the gateway AP.
The following generally describes a message processing method provided in the embodiment of the present invention.
After receiving a message to be forwarded, acquiring source address information and destination address information of the message to be forwarded from the message to be forwarded;
inquiring SSID corresponding to source address information and SSID corresponding to destination address information based on online information, wherein the online information comprises address information of a wireless terminal currently accessed to the Fat AP networking and SSID of a BSS port accessed by the wireless terminal;
judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
if the two messages are the same, discarding the message to be forwarded.
As can be seen from the above, the message processing method provided in the embodiment of the present invention includes, in the online information, address information of a wireless terminal currently accessing the Fat AP networking and an SSID of a BSS port to which the wireless terminal is accessed, based on which, if the AP can query the source address information and the destination address information of the message to be forwarded in the online information, it indicates that the source address information and the destination address information of the message to be forwarded are both address information of the wireless terminal accessing the Fat AP networking, and further, can query the SSID corresponding to the source address information and the destination address information in the online information, and in a case that the SSID corresponding to the source address information and the SSID corresponding to the destination address information of the message to be forwarded are the same, it indicates that the wireless terminal corresponding to the source address information and the wireless terminal corresponding to the destination address information of the message to be forwarded are in the same virtual local area network with the same SSID, the message to, the message to be forwarded can not be forwarded between the wireless terminals in the same virtual local area network, so that user isolation among the wireless terminals is realized, and the communication safety under Fat AP networking is improved.
The following describes in detail a message processing method provided in the embodiment of the present invention by using a specific embodiment.
As shown in fig. 1, a schematic flow chart of a message processing method provided in the embodiment of the present invention includes the following steps:
s101: after receiving the message to be forwarded, obtaining the source address information and the destination address information of the message to be forwarded from the message to be forwarded.
The embodiment of the present invention is applied to any AP in a Fat AP networking, where the AP may be a non-gateway AP or a gateway AP, as shown in fig. 2, which is a system schematic diagram of the Fat AP networking in the embodiment of the present invention, where the Fat AP networking includes one gateway AP and a plurality of non-gateway APs, the gateway AP is used as a network outlet and is in a gateway mode and provides a DHCP (Dynamic Host Configuration Protocol) service, and the non-gateway APs are in a normal AP mode. That is, each non-gateway AP establishes a connection with a gateway AP.
The source Address information of the message to be forwarded refers to Address information of a source sending device of the message to be forwarded, and may be, for example, a Media Access Control (MAC) Address or an Internet Protocol (IP) Address of the sending device of the message to be forwarded, and the destination Address information refers to Address information of a destination receiving device of the message to be forwarded, and may be, for example, a MAC Address or an IP Address of the destination device of the message to be forwarded. The source sending device and the destination receiving device of the packet to be forwarded may be wireless terminals accessed to the Fat AP networking, or may also be other APs and other devices in the Fat AP networking, and are not limited specifically.
In one implementation, after the destination address information of the message to be forwarded is obtained, it may be determined whether the destination address information of the message to be forwarded is address information of a wireless terminal accessing the AP (execution subject), and if so, the wireless terminal is called a destination wireless terminal, and then source address information of the message to be forwarded is obtained. That is, only when the destination address information of the message to be forwarded is the address information of the wireless terminal accessing the AP, the source address information of the message to be forwarded is obtained, and further determination is performed.
For example, the wireless terminal 1 is accessed to the AP1, the wireless terminal 2 is accessed to the AP2, the source wireless terminal of the message to be forwarded is the wireless terminal 1, and the destination wireless terminal is the wireless terminal 2, that is, the transmission path of the message to be forwarded is from the wireless terminal 1 to the AP1, from the AP1 to the AP2, and then from the AP2 to the wireless terminal 2, then, when the AP1 receives the message to be forwarded, since the destination address information of the message to be forwarded is the address information of the wireless terminal 2, and the wireless terminal 2 is not the wireless terminal accessed to the AP1, the AP1 will not obtain the source address information of the message to be forwarded, and further determination is performed, only when the AP2 receives the message to be forwarded, since the destination address information of the message to be forwarded is the address information of the wireless terminal 2, and the wireless terminal 2 is the wireless terminal accessed to the AP2, therefore, the AP2 will obtain the source address information of, further judgment is made.
Therefore, the workload of the AP accessed by the source sending equipment corresponding to the source address information of the message to be forwarded can be reduced, and the transmission process of the message to be forwarded is faster.
S102: and inquiring the SSID corresponding to the source address information and the SSID corresponding to the destination address information based on online information, wherein the online information comprises the address information of the wireless terminal which is currently accessed into the Fat AP networking and the SSID of the BSS port which is accessed by the wireless terminal.
The online information comprises address information of a wireless terminal currently accessed to the Fat AP networking and SSID of a BSS port accessed by the wireless terminal, wherein each wireless terminal has unique address information and is only accessed to one BSS port, namely, each address information corresponds to one SSID, so that the SSID corresponding to the source address information of the message to be forwarded can be inquired from the online information according to the source address information of the message to be forwarded, and meanwhile, the SSID corresponding to the destination address information of the message to be forwarded can be inquired from the online information according to the destination address information of the message to be forwarded.
When the SSID corresponding to the source address information is inquired from the online information, if the address information of the wireless terminal which is currently accessed to the Fat AP networking and is the same as the source address information does not exist in the online information, it is indicated that the equipment corresponding to the source address information of the message to be forwarded is not the wireless terminal accessed to the Fat AP networking, in this case, the message to be forwarded can be directly forwarded, if the address information of the wireless terminal which is currently accessed to the Fat AP networking and is the same as the source address information exists in the online information, it is indicated that the equipment corresponding to the source address information of the message to be forwarded is the wireless terminal accessed to the Fat AP networking, in this case, the wireless terminal can be called as a source wireless terminal, and the SSID corresponding to the source address information and the SSID corresponding to the destination address information are further inquired from the online information. Therefore, the subsequent calculation amount can be reduced, and the message transmission rate can be improved.
In one implementation, the AP may be a non-gateway AP in a Fat AP networking, and in this case, the AP may obtain online information from the gateway AP.
For example, first, an AP may establish a connection with a gateway AP, and then report terminal information of a wireless terminal currently accessing the AP to the gateway AP, that is, each non-gateway AP reports terminal information of a wireless terminal currently accessing the non-gateway AP to the gateway AP, so that the gateway AP may generate online information including terminal information of a wireless terminal currently accessing a Fat AP networking according to the terminal information reported by the non-gateway AP and the terminal information of the wireless terminal accessed by the gateway AP, and further, the gateway AP may issue the online information to the non-gateway AP, so that the AP may obtain the online information issued by the gateway AP.
The AP may report terminal information of the wireless terminal currently accessing the AP to the gateway AP and then receive online information issued by the gateway AP after establishing connection with the gateway AP, or may receive online information issued by the gateway AP and then report terminal information of the wireless terminal currently accessing the AP to the gateway AP after establishing connection with the gateway AP, which is not limited specifically.
When the wireless terminal currently accessed to the AP changes, the AP may immediately report the terminal information of the changed wireless terminal to the gateway AP, or may periodically report the terminal information of the changed wireless terminal to the gateway AP according to a preset time interval, and the gateway AP may issue the terminal information of the changed wireless terminal to other non-gateway APs after receiving the terminal information of the changed wireless terminal. Similarly, when the wireless terminal currently accessed to other non-gateway APs or gateway APs changes, the AP will also receive the changed terminal information of the wireless terminal sent by the gateway AP.
For example, if a new wireless terminal accesses the AP, the AP may report terminal information of the newly accessed wireless terminal to the gateway AP after detecting that the new wireless terminal is accessed, so that the gateway AP may send the terminal information of the newly accessed wireless terminal to other non-gateway APs after receiving the terminal information of the newly accessed wireless terminal, and the other non-gateway APs may receive the terminal information of the newly accessed wireless terminal and update the online information according to the terminal information of the newly accessed wireless terminal. Or, if there is a wireless terminal disconnected from the AP, the AP may report the terminal information of the disconnected wireless terminal to the gateway AP, so that the gateway AP may send the terminal information of the disconnected wireless terminal to other non-gateway APs after receiving the terminal information of the disconnected wireless terminal, and the other non-gateway APs may receive the terminal information of the disconnected wireless terminal and update the online information according to the terminal information of the disconnected wireless terminal.
In another implementation, the AP may be a gateway AP in a Fat AP networking, and in this case, the AP may generate online information according to terminal information uploaded by a non-gateway AP.
For example, the AP may establish a connection with each non-gateway AP, receive terminal information of a wireless terminal currently accessing the non-gateway AP, which is reported by each non-gateway AP, generate online information according to the terminal information reported by the non-gateway AP and the terminal information of the wireless terminal accessed by the AP, and send the online information to the non-gateway AP.
When the wireless terminal currently accessed to the Fat AP networking changes, the AP can acquire the terminal information of the changed wireless terminal by receiving the terminal information of the disconnected wireless terminal reported by each non-gateway AP or directly acquiring the terminal information of the wireless terminal disconnected from the AP, and further can issue the terminal information of the changed wireless terminal to other non-gateway APs.
For example, if a new wireless terminal accesses the AP, the AP may receive the terminal information of the newly accessed wireless terminal reported by each non-gateway AP, and meanwhile, may also obtain the terminal information of the wireless terminal newly accessed to the AP, and then issue the terminal information of the newly accessed wireless terminal to the non-gateway AP, so that the non-gateway AP may update the online information according to the terminal information of the newly accessed wireless terminal. Or, if there is a wireless terminal disconnected from the AP, the AP may receive the terminal information of the disconnected wireless terminal reported by each non-gateway AP, and meanwhile, may also obtain the terminal information of the wireless terminal disconnected from the AP, and then issue the terminal information of the disconnected wireless terminal to the non-gateway AP, so that the non-gateway AP may update the online information according to the terminal information of the disconnected wireless terminal.
In the embodiment of the present invention, information transmission between the non-gateway AP And the gateway AP may be implemented by a CAPWAP (Control And Provisioning of Wireless Access Points) protocol.
For example, when the non-gateway AP reports the terminal information of the Wireless terminal currently accessing the non-gateway AP, or reports the terminal information of the Wireless terminal newly accessed, and the terminal information of the Wireless terminal disconnected, the terminal information of the Wireless terminal currently accessing the AP may be reported through WTP (Wireless Termination Points) event request information based on the CAPWAP protocol, where the terminal information may be Vendor TLV (TLV format) information. The gateway AP may issue the terminal information through a Configuration Update Request (Configuration Update Request message) based on the CAPWAP protocol, for example, the Configuration Update Request message may carry a Vendor TLV.
The terminal information may include information such as a MAC address, an SSID, a BSSID (Basic Service Set Identifier), an IP address, and access time of the corresponding wireless terminal.
S103: and judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information.
The SSID corresponding to the source address information is the SSID of the BSS port accessed by the source wireless terminal corresponding to the source address information of the message to be forwarded, and the SSID corresponding to the destination address information is the SSID of the BSS port accessed by the destination wireless terminal corresponding to the destination address information of the message to be forwarded.
For example, the SSID may be a name of a virtual local area network to which a certain BSS port belongs, and in this case, when the name of the virtual local area network to which the source wireless terminal of the packet to be forwarded accesses is the same as the name of the virtual local area network to which the destination wireless terminal accesses, it may be determined that the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information.
S104: if the two messages are the same, discarding the message to be forwarded.
Under the condition that the SSID corresponding to the source address information of the message to be forwarded is judged to be the same as the SSID corresponding to the destination address information, the source wireless terminal and the destination wireless terminal of the message to be forwarded are indicated to be in the same virtual local area network, and under the condition, the message to be forwarded can be discarded, so that user isolation is realized.
If the SSID corresponding to the source address information of the message to be forwarded is judged to be different from the SSID corresponding to the destination address information, the source wireless terminal and the destination wireless terminal of the message to be forwarded are not in the same virtual local area network, and under the condition, the message to be forwarded can be forwarded to the destination wireless terminal.
As can be seen from the above, the message processing method provided in the embodiment of the present invention includes, in the online information, address information of a wireless terminal currently accessing the Fat AP networking and an SSID of a BSS port to which the wireless terminal is accessed, based on which, if the AP can query the source address information and the destination address information of the message to be forwarded in the online information, it indicates that the source address information and the destination address information of the message to be forwarded are both address information of the wireless terminal accessing the Fat AP networking, and further, can query the SSID corresponding to the source address information and the destination address information in the online information, and in a case that the SSID corresponding to the source address information and the SSID corresponding to the destination address information of the message to be forwarded are the same, it indicates that the wireless terminal corresponding to the source address information and the wireless terminal corresponding to the destination address information of the message to be forwarded are in the same virtual local area network with the same SSID, the message to, the message to be forwarded can not be forwarded between the wireless terminals in the same virtual local area network, so that user isolation among the wireless terminals is realized, and the communication safety under Fat AP networking is improved.
As shown in fig. 3, a schematic structural diagram of a message processing apparatus provided in an embodiment of the present invention is a structure diagram of an AP, where the apparatus is applied to any AP in a Fat AP networking, where the Fat AP networking includes a gateway AP and a plurality of non-gateway APs, and each non-gateway AP is in communication connection with the gateway AP, and the apparatus includes:
an obtaining module 301, configured to obtain, after receiving a message to be forwarded, source address information and destination address information of the message to be forwarded from the message to be forwarded;
the query module 302 is configured to query, based on online information, an SSID corresponding to source address information and an SSID corresponding to destination address information, where the online information includes address information of a wireless terminal currently accessing the Fat AP networking and an SSID of a BSS port to which the wireless terminal is accessed;
a judging module 303, configured to judge whether an SSID corresponding to the source address information is the same as an SSID corresponding to the destination address information;
the forwarding module 304 is configured to discard the packet to be forwarded when the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information.
Optionally, the obtaining module 301 is specifically configured to:
after receiving the message to be forwarded, acquiring destination address information of the message to be forwarded from the message to be forwarded;
judging whether the destination address information is the address information of the wireless terminal accessed to the AP or not;
if yes, the steps of obtaining source address information of the message to be forwarded, inquiring SSID corresponding to the source address information and SSID corresponding to the destination address information based on the online information are executed.
Optionally, the AP is a non-gateway AP; the device still includes:
a reporting module (not shown in the figure) for establishing connection with the gateway AP and reporting the terminal information of the wireless terminal currently accessed to the AP to the gateway AP, so that the gateway AP generates and issues online information according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed to the gateway AP;
and the online information processing module (not shown in the figure) is used for receiving online information sent by the gateway AP.
Optionally, the reporting module (not shown in the figure) is further configured to report the terminal information of the newly-accessed wireless terminal if a new wireless terminal is accessed, so that the gateway AP issues the terminal information of the newly-accessed wireless terminal to a non-gateway AP other than the AP;
and the presence information processing module (not shown in the figure) is further configured to update the presence information according to the terminal information of the newly accessed wireless terminal.
Optionally, the reporting module (not shown in the figure) is further configured to report terminal information of the disconnected wireless terminal if there is a wireless terminal disconnected from the AP, so that the gateway AP issues the terminal information of the disconnected wireless terminal to a non-gateway AP other than the AP;
and the presence information processing module (not shown in the figure) is further used for updating the presence information according to the terminal information of the disconnected wireless terminal.
Optionally, the AP is a gateway AP; the device also includes:
a receiving module (not shown in the figure), configured to establish a connection with multiple non-gateway APs, and receive terminal information of a wireless terminal currently accessing the non-gateway AP, which is reported by each non-gateway AP;
and an issuing module (not shown in the figure) configured to generate and issue the online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the AP itself.
Optionally, the receiving module (not shown in the figure) is further configured to receive terminal information of the newly-accessed wireless terminal reported by each non-gateway AP, and/or obtain terminal information of the newly-accessed wireless terminal of the AP;
the issuing module (not shown in the figure) is further configured to issue the terminal information of the newly accessed wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the newly accessed wireless terminal.
Optionally, the receiving module (not shown in the figure) is further configured to receive terminal information of the disconnected wireless terminal reported by each non-gateway AP, and/or obtain terminal information of the wireless terminal disconnected from the AP;
the issuing module (not shown in the figure) is further configured to issue the terminal information of the disconnected wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the disconnected wireless terminal.
As can be seen from the above, the message processing apparatus provided in the embodiment of the present invention includes, in the online information, address information of a wireless terminal currently accessing a Fat AP networking and an SSID of a BSS port to which the wireless terminal is accessed, based on which, if the AP can query source address information and destination address information of a message to be forwarded in the online information, it indicates that the source address information and the destination address information of the message to be forwarded are both address information of the wireless terminal accessing the Fat AP networking, and further, can query an SSID corresponding to the source address information and the destination address information in the online information, and in a case that the SSID corresponding to the source address information and the SSID corresponding to the destination address information of the message to be forwarded are the same, it indicates that the wireless terminal corresponding to the source address information and the wireless terminal corresponding to the destination address information of the message to be forwarded are in the same virtual local area network with the same SSID, the message to be forwarded, the message to be forwarded can not be forwarded between the wireless terminals in the same virtual local area network, so that user isolation among the wireless terminals is realized, and the communication safety under Fat AP networking is improved.
An embodiment of the present invention further provides an electronic device, as shown in fig. 4, including a processor 401, a communication interface 402, a memory 403, and a communication bus 404, where the processor 401, the communication interface 402, and the memory 403 complete mutual communication through the communication bus 404,
a memory 403 for storing a computer program;
the processor 401, when executing the program stored in the memory 403, implements the following steps:
after receiving a message to be forwarded, acquiring source address information and destination address information of the message to be forwarded from the message to be forwarded;
inquiring SSID corresponding to source address information and SSID corresponding to destination address information based on online information, wherein the online information comprises address information of a wireless terminal currently accessed to the Fat AP networking and SSID of a BSS port accessed by the wireless terminal;
judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
if the two messages are the same, discarding the message to be forwarded.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
As can be seen from the above, the message processing method provided in the embodiment of the present invention includes, in the online information, address information of a wireless terminal currently accessing the Fat AP networking and an SSID of a BSS port to which the wireless terminal is accessed, based on which, if the AP can query the source address information and the destination address information of the message to be forwarded in the online information, it indicates that the source address information and the destination address information of the message to be forwarded are both address information of the wireless terminal accessing the Fat AP networking, and further, can query the SSID corresponding to the source address information and the destination address information in the online information, and in a case that the SSID corresponding to the source address information and the SSID corresponding to the destination address information of the message to be forwarded are the same, it indicates that the wireless terminal corresponding to the source address information and the wireless terminal corresponding to the destination address information of the message to be forwarded are in the same virtual local area network with the same SSID, the message to, the message to be forwarded can not be forwarded between the wireless terminals in the same virtual local area network, so that user isolation among the wireless terminals is realized, and the communication safety under Fat AP networking is improved.
In another embodiment of the present invention, a computer-readable storage medium is further provided, in which instructions are stored, and when the instructions are executed on a computer, the computer is enabled to execute the message processing method in any one of the above embodiments.
In another embodiment, the present invention further provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the message processing method of any of the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions according to the embodiments of the present application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, apparatus embodiments, electronic device embodiments, storage medium embodiments, and computer program product embodiments are substantially similar to method embodiments and therefore are described with relative ease, as appropriate, with reference to the partial description of the method embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (18)

1. A message processing method is characterized in that the method is applied to any wireless access node AP in Fat wireless access node Fat AP networking, the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, each non-gateway AP is respectively in communication connection with the gateway AP, and the method comprises the following steps:
after receiving a message to be forwarded, acquiring source address information and destination address information of the message to be forwarded from the message to be forwarded;
inquiring a Service Set Identifier (SSID) corresponding to the source address information and an SSID corresponding to the destination address information based on online information, wherein the online information comprises address information of a wireless terminal which is currently accessed to the Fat AP networking and the SSID of a Basic Service Set (BSS) port accessed by the wireless terminal;
judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
and if the two messages are the same, discarding the message to be forwarded.
2. The method according to claim 1, wherein the obtaining, after receiving the message to be forwarded, source address information and destination address information of the message to be forwarded from the message to be forwarded comprises:
after receiving a message to be forwarded, acquiring destination address information of the message to be forwarded from the message to be forwarded;
judging whether the destination address information is the address information of the wireless terminal accessed to the AP or not;
if yes, obtaining source address information of the message to be forwarded, and executing the step of inquiring the SSID corresponding to the source address information and the SSID corresponding to the destination address information based on the online information.
3. The method of claim 1, wherein the AP is a non-gateway AP; the method further comprises the following steps:
establishing connection with the gateway AP, and reporting terminal information of a wireless terminal currently accessed to the AP to the gateway AP so that the gateway AP generates and issues online information according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed to the gateway AP;
and receiving the online information issued by the gateway AP.
4. The method according to claim 3, wherein after said establishing connection with said gateway AP and reporting terminal information of the wireless terminal currently accessing said AP to said gateway AP, the method further comprises:
if a new wireless terminal is accessed, reporting the terminal information of the newly accessed wireless terminal to the gateway AP so that the gateway AP sends the terminal information of the newly accessed wireless terminal to a non-gateway AP except the AP;
and updating the online information according to the terminal information of the newly accessed wireless terminal.
5. The method according to claim 3, wherein after said establishing connection with said gateway AP and reporting terminal information of a wireless terminal currently accessing said AP to said gateway AP, said method further comprises:
if the wireless terminal is disconnected with the AP, reporting the terminal information of the disconnected wireless terminal so that the gateway AP sends the terminal information of the disconnected wireless terminal to a non-gateway AP except the AP;
and updating the online information according to the terminal information of the disconnected wireless terminal.
6. The method of claim 1, wherein the AP is a gateway AP; the method further comprises the following steps:
establishing connection with the non-gateway APs, and receiving terminal information of the wireless terminal which is currently accessed to the non-gateway APs and reported by each non-gateway AP;
and generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the APs.
7. The method according to claim 6, wherein after generating and sending the online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the AP, the method further comprises:
receiving terminal information of a newly accessed wireless terminal reported by each non-gateway AP, and/or acquiring the terminal information of the newly accessed wireless terminal of the AP;
and issuing the terminal information of the newly accessed wireless terminal to the plurality of non-gateway APs so that the plurality of non-gateway APs update the online information according to the terminal information of the newly accessed wireless terminal.
8. The method according to claim 6, wherein after generating and sending the online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the AP, the method further comprises:
receiving terminal information of a disconnected wireless terminal reported by each non-gateway AP, and/or acquiring the terminal information of the wireless terminal disconnected with the AP;
and issuing the terminal information of the disconnected wireless terminal to the plurality of non-gateway APs so that the plurality of non-gateway APs update the online information according to the terminal information of the disconnected wireless terminal.
9. A message processing device is characterized in that the device is applied to any wireless access node AP in Fat wireless access node Fat AP networking, the Fat AP networking comprises a gateway AP and a plurality of non-gateway APs, each non-gateway AP is respectively in communication connection with the gateway AP, and the device comprises:
the device comprises an acquisition module, a forwarding module and a forwarding module, wherein the acquisition module is used for acquiring source address information and destination address information of a message to be forwarded from the message to be forwarded after receiving the message to be forwarded;
the inquiry module is used for inquiring a Service Set Identifier (SSID) corresponding to the source address information and an SSID corresponding to the destination address information based on online information, wherein the online information comprises address information of a wireless terminal which is currently accessed to the Fat AP networking and the SSID of a Basic Service Set (BSS) port accessed by the wireless terminal;
the judging module is used for judging whether the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information;
and the forwarding module is used for discarding the message to be forwarded under the condition that the SSID corresponding to the source address information is the same as the SSID corresponding to the destination address information.
10. The apparatus of claim 9, wherein the obtaining module is specifically configured to:
after receiving a message to be forwarded, acquiring destination address information of the message to be forwarded from the message to be forwarded;
judging whether the destination address information is the address information of the wireless terminal accessed to the AP or not;
if yes, obtaining source address information of the message to be forwarded, and executing the step of inquiring the SSID corresponding to the source address information and the SSID corresponding to the destination address information based on the online information.
11. The apparatus of claim 9, wherein the AP is a non-gateway AP; the device further comprises:
a reporting module, configured to establish a connection with the gateway AP, and report terminal information of a wireless terminal currently accessing the AP to the gateway AP, so that the gateway AP generates and issues online information according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the gateway AP;
and the online information processing module is used for receiving the online information issued by the gateway AP.
12. The apparatus of claim 11,
the reporting module is further configured to report terminal information of a newly accessed wireless terminal if the new wireless terminal is accessed, so that the gateway AP issues the terminal information of the newly accessed wireless terminal to a non-gateway AP other than the AP;
and the online information processing module is also used for updating the online information according to the terminal information of the newly accessed wireless terminal.
13. The apparatus of claim 11,
the reporting module is further configured to report terminal information of the disconnected wireless terminal if there is a wireless terminal disconnected from the AP, so that the gateway AP issues the terminal information of the disconnected wireless terminal to a non-gateway AP other than the AP;
and the online information processing module is also used for updating the online information according to the terminal information of the disconnected wireless terminal.
14. The apparatus of claim 9, wherein the AP is a gateway AP; the device further comprises:
the receiving module is used for establishing connection with the plurality of non-gateway APs and receiving the terminal information of the wireless terminal which is currently accessed to the non-gateway APs and reported by each non-gateway AP;
and the issuing module is used for generating and issuing online information to the non-gateway APs according to the terminal information reported by the non-gateway APs and the terminal information of the wireless terminal accessed by the APs.
15. The apparatus of claim 14,
the receiving module is further configured to receive terminal information of a newly accessed wireless terminal reported by each non-gateway AP, and/or obtain terminal information of a wireless terminal newly accessed to the AP;
the issuing module is further configured to issue terminal information of the newly accessed wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the newly accessed wireless terminal.
16. The apparatus of claim 14,
the receiving module is further configured to receive terminal information of the disconnected wireless terminal reported by each non-gateway AP, and/or acquire terminal information of the wireless terminal disconnected from the AP;
the issuing module is further configured to issue terminal information of the disconnected wireless terminal to the plurality of non-gateway APs, so that the plurality of non-gateway APs update the online information according to the terminal information of the disconnected wireless terminal.
17. An electronic device, comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus;
the memory is used for storing a computer program;
the processor, when executing the program stored in the memory, implementing the method steps of any of claims 1-8.
18. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of the claims 1-8.
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