WO2019091221A1

WO2019091221A1 - Ethernet broadcast frame processing method, apparatus and device

Info

Publication number: WO2019091221A1
Application number: PCT/CN2018/106027
Authority: WO
Inventors: 唐廷芳; 李岩; 杨娇
Original assignee: 华为技术有限公司
Priority date: 2017-11-09
Filing date: 2018-09-17
Publication date: 2019-05-16
Also published as: CN109768868A; CN109768868B

Abstract

The present application provides an Ethernet broadcast frame processing method, an apparatus and a device. Said method comprises: a user port function network element acquiring a user list and a forwarding rule from a session management function network element, the user list comprising an identifier of at least one terminal device which accesses a local area network or an identifier of at least one terminal device which accesses a first virtual local area network in the local area network; and the user port function network element receiving Ethernet broadcast frames, and sending, according to the forwarding rule, the Ethernet broadcast frames to the terminal device in the user list in a unicast manner. In the process above, the user port function network element can successfully forward the received Ethernet broadcast frames, avoiding the loss of the Ethernet broadcast frame, further improving the reliability of data transmission.

Description

Ethernet broadcast frame processing method, device and device

The present application claims priority to Chinese Patent Application No. JP-A No. No. No. No. No. No. No. No. No. No. No. No. No. No. In this application.

Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, an apparatus, and a device for processing an Ethernet broadcast frame.

Background technique

At present, multiple wireless-Fidelity (WIFI) devices are usually deployed in a local area network, and terminal devices (for example, mobile phones, computers, printers, etc.) can access the local area network through WIFI devices.

In order to reduce the investment of the WiFi device in the local area network, the macro base station near the local area network may be used instead of the WiFi device, so that the terminal device accesses the local area network through the macro base station. In the process of the terminal device accessing the local area network through the macro base station, the session management function (SMF) network element needs to establish an Ethernet type session for the terminal device, and the user interface function (UPF) network element is used. Implement forwarding of Ethernet type sessions. In the local area network, when the server broadcasts an Ethernet frame (hereinafter referred to as an Ethernet broadcast frame) to the terminal device, the UFP network element needs to forward the Ethernet broadcast frame to the terminal device. However, the existing UPF network element does not have the function of processing the Ethernet broadcast frame, so that the UPF network element cannot successfully forward the received Ethernet broadcast frame, so that the Ethernet broadcast frame is lost, thereby resulting in low reliability of data transmission.

Summary of the invention

The present invention provides a method, a device, and a device for processing an Ethernet broadcast frame. The user plane function network element can successfully forward the received Ethernet broadcast frame, thereby avoiding the loss of the Ethernet broadcast frame, thereby improving the reliability of the data transmission.

In a first aspect, the present application provides a method for processing an Ethernet broadcast frame, where a user plane function network element obtains a user list and a forwarding rule from a session management function network element, and the user plane function network element receives an Ethernet broadcast frame, according to a forwarding rule, The broadcast mode sends an Ethernet broadcast frame to the terminal device in the user list. The user list includes an identifier of the at least one terminal device that accesses the local area network or an identifier of the at least one terminal device that accesses the first virtual local area network in the local area network.

In the above process, the forwarding rule indicates a method for processing an Ethernet broadcast frame, and the user list includes an identifier of at least one terminal device that accesses the local area network or an identifier of at least one terminal device that accesses the first virtual local area network in the local area network, so that After receiving the Ethernet broadcast frame sent by the server in the local area network, the user plane function network element may send the Ethernet broadcast frame to the terminal device in the user list according to the forwarding rule sent by the session management function network element, so that the user plane function network element can Successfully forwarding the received Ethernet broadcast frame avoids the loss of the Ethernet broadcast frame, thereby improving the reliability of data transmission.

In one possible design, the user list may include access to at least one terminal device of the first virtual local area network, and the Ethernet broadcast frame includes an identification of the first virtual local area network. In this way, after the user plane function network element receives the Ethernet broadcast frame, the virtual local area network corresponding to the Ethernet broadcast frame may be determined according to the identifier of the virtual local area network included in the Ethernet broadcast frame.

In a possible design, the user plane function network element may send the Ethernet broadcast frame to the terminal device in the user list in a unicast manner by using at least the following two possible implementation manners:

A feasible implementation:

It is assumed that at least one terminal device (at least one terminal device in the user list) that is connected to the local area network or the first virtual local area network includes the first terminal device, and the user plane function network element can send the Ethernet to the first terminal device through the following feasible implementation manners. Broadcast frame: The user plane function network element sets the destination MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the forwarding rule, and sends the Ethernet broadcast frame to the first terminal device in a unicast manner.

It should be noted that the method for the user plane function network element to send the Ethernet broadcast frame to other terminal devices is the same as the method for sending the Ethernet broadcast frame to the first terminal device, and details are not described herein.

In a possible design, the user plane function network element copies the Ethernet broadcast frame according to the forwarding rule, and sets the MAC address of the copied Ethernet broadcast frame as the MAC address of the first terminal device to generate the first Ethernet unicast frame. And transmitting the first Ethernet unicast frame to the first terminal device.

In the feasible implementation manner, the first Ethernet unicast frame can be obtained by modifying the destination MAC address of the copied Ethernet broadcast frame, and the first Ethernet unicast frame is sent to the terminal device, so that the user plane function network element can be The Ethernet broadcast frame is sent in unicast form.

In a possible design, the forwarding rule may include a first forwarding rule and a second forwarding rule, where the first forwarding rule indicates that the Ethernet broadcast frame is sent in a unicast manner, and the second forwarding rule is used when the Ethernet unicast frame is sent. Forwarding rules. In this way, the user plane function network element can set the media access control MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the first forwarding rule, and send the unicast mode to the first terminal device according to the second forwarding rule. Send an Ethernet broadcast frame.

In a possible design, the forwarding rule may include the identifier of the virtual local area network, so that when different virtual local area networks can correspond to different forwarding rules, the forwarding of the virtual local area network may be determined according to the identifier of the virtual local area network included in the forwarding rule. rule. For example, the first forwarding rule and the second forwarding rule include an identifier of the first virtual local area network; or the first forwarding rule includes an identifier of the first virtual local area network.

Another possible implementation:

It is assumed that at least one terminal device (at least one terminal device in the user list) that is connected to the local area network or the first virtual local area network includes the second terminal device, and the user plane function network element can send the Ethernet to the first terminal device through the following feasible implementation manners. The broadcast frame: the user plane function network element determines the second Ethernet unicast frame according to the forwarding rule, and forwards the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame, where the destination address of the second Ethernet unicast frame is The MAC address of the second terminal device.

It should be noted that the method for the user plane function network element to send the Ethernet broadcast frame to other terminal devices is the same as the method for sending the Ethernet broadcast frame to the second terminal device, and details are not described herein.

In this possible implementation, the second Ethernet unicast frame may carry an Ethernet broadcast frame, and the Ethernet broadcast frame may be sent in a unicast manner by carrying the Ethernet broadcast frame in the second Ethernet unicast frame.

In a possible design, the forwarding rule may include a third forwarding rule and a fourth forwarding rule, where the third forwarding rule indicates that it is determined to be used to carry the Ethernet in the existing Ethernet unicast frame sent to the second terminal device. The second Ethernet unicast frame of the broadcast frame, and the fourth forwarding rule is a forwarding rule used when transmitting the Ethernet unicast frame. In this way, the user plane function network element may determine the second Ethernet unicast frame according to the third forwarding rule, and forward the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame according to the fourth forwarding rule.

In a possible design, the forwarding rule may include the identifier of the virtual local area network, so that when different virtual local area networks can correspond to different forwarding rules, the forwarding of the virtual local area network may be determined according to the identifier of the virtual local area network included in the forwarding rule. rule. For example, the third forwarding rule and the fourth forwarding rule include an identifier of the first virtual local area network; or the third forwarding rule includes an identifier of the first virtual local area network.

In a second aspect, the present application provides a method for processing an Ethernet broadcast frame. The session management function network element sends a user list and a forwarding rule to the user plane function network element, where the user list includes the identifier or access of at least one terminal device that accesses the local area network. An identifier of the at least one terminal device of the first virtual local area network in the local area network, where the forwarding rule is used to indicate that the user plane function network element sends the received Ethernet broadcast frame to the terminal device in the user list in a unicast manner.

In the above process, the session management function network element sends a user list and a forwarding rule to the user plane function network element, so that the user plane function network element can receive the Ethernet broadcast frame sent by the server in the local area network, and can be configured according to the session management function network. The forwarding rule sent by the element sends the Ethernet broadcast frame to the terminal device in the user list, so that the user plane function network element can successfully forward the received Ethernet broadcast frame, thereby avoiding the loss of the Ethernet broadcast frame, thereby improving the reliability of the data transmission. Sex.

In a possible design, the session management function network element sends an Sx message to the user plane function network element, and the Sx message includes a forwarding rule.

In a possible design, before the session management function network element sends the user list to the user plane function network element, it can be a user list.

In a possible design, the session management function network element generates a user list when the terminal device accessing the local area network or the first virtual local area network changes. In this way, not only the correctness of the identifier of the terminal device included in the user list can be ensured, but also the waste of resources caused by frequently generating the user list can be avoided.

In a third aspect, the application provides an apparatus for processing an Ethernet broadcast frame, including an acquiring module, a receiving module, and a sending module, where

The obtaining module is configured to obtain a user list and a forwarding rule from the session management function network element, where the user list includes an identifier of the at least one terminal device that accesses the local area network or an identifier of the at least one terminal device that accesses the first virtual local area network in the local area network;

The receiving module is configured to receive an Ethernet broadcast frame;

The sending module is configured to send an Ethernet broadcast frame to the terminal device in the user list in a unicast manner according to the forwarding rule.

In a possible implementation, the at least one terminal device that accesses the local area network or the first virtual local area network includes the first terminal device, and the sending module is specifically configured to:

Setting the destination media access control MAC address of the Ethernet broadcast frame as the MAC address of the first terminal device according to the forwarding rule;

The Ethernet broadcast frame is transmitted to the first terminal device in a unicast manner.

In another possible implementation manner, the forwarding rule includes a first forwarding rule and a second forwarding rule; and the sending module is specifically configured to:

Setting the destination MAC address of the Ethernet broadcast frame as the MAC address of the first terminal device according to the first forwarding rule;

According to the second forwarding rule, the Ethernet broadcast frame is sent to the first terminal device in a unicast manner.

In another possible implementation manner, the sending module is specifically configured to:

Copying an Ethernet broadcast frame according to a forwarding rule, setting a MAC address of the copied Ethernet broadcast frame to a MAC address of the first terminal device, to generate a first Ethernet unicast frame;

Sending a first Ethernet unicast frame to the first terminal device.

In another possible implementation, the at least one terminal device that accesses the local area network or the first virtual local area network includes the second terminal device, and the sending module is specifically configured to:

Determining, according to the forwarding rule, a second Ethernet unicast frame, where the destination address of the second Ethernet unicast frame is a MAC address of the second terminal device;

The Ethernet broadcast frame is forwarded to the second terminal device through the second Ethernet unicast frame.

In another possible implementation manner, the forwarding rule includes a third forwarding rule and a fourth forwarding rule; the sending module is specifically configured to:

Determining a second Ethernet unicast frame according to the third forwarding rule;

And according to the fourth forwarding rule, the Ethernet broadcast frame is forwarded to the second terminal device by using the second Ethernet unicast frame.

In another possible implementation manner, the user list includes at least one terminal device that accesses the first virtual local area network, and the Ethernet broadcast frame includes an identifier of the first virtual local area network.

In another possible implementation manner, the first forwarding rule and the second forwarding rule include an identifier of the first virtual local area network; or the first forwarding rule includes an identifier of the first virtual local area network.

In another possible implementation manner, the third forwarding rule and the fourth forwarding rule include an identifier of the first virtual local area network; or the third forwarding rule includes an identifier of the first virtual local area network.

In another possible implementation manner, the forwarding rule may further include a fifth forwarding rule and a sixth forwarding rule. For example, the fifth forwarding rule may be a multicast forwarding rule, and the fifth forwarding rule is used to indicate that the Ethernet broadcast frame is processed by the sixth forwarding rule. The sixth forwarding rule may be a user session forwarding rule, where the sixth forwarding rule is a forwarding rule used when sending an Ethernet broadcast frame. For example, the sixth forwarding rule may be to send an Ethernet broadcast frame to a terminal device in the user list.

In this case, after the user plane function network element receives the Ethernet broadcast frame, the sixth forwarding rule may be found according to the fifth forwarding rule, and the Ethernet broadcast frame is sent to the terminal device in the user list according to the sixth forwarding rule.

The processing device of the Ethernet broadcast frame provided by the present application may perform the method shown in any one of the foregoing first aspects, and the implementation principle and the beneficial effects are similar, and details are not described herein.

In a fourth aspect, the application provides an apparatus for processing an Ethernet broadcast frame, including a sending module, where

The sending module is configured to send a user list to the user plane function network element, where the user list includes an identifier of the at least one terminal device that accesses the local area network or an identifier of the at least one terminal device that accesses the first virtual local area network in the local area network;

The sending module is further configured to send a forwarding rule to the user plane function network element, where the forwarding rule is used to indicate that the user plane function network element sends the received Ethernet broadcast frame to the terminal device in the user list in a unicast manner.

Sending an Sx message to the user plane function network element, where the Sx message includes a forwarding rule.

In another possible implementation, the apparatus further includes a generating module, wherein the generating module is configured to generate a user list.

In another possible implementation manner, the generating module is specifically configured to generate a user list when the terminal device accessing the local area network or the first virtual local area network changes.

The processing device of the Ethernet broadcast frame provided by the present application may perform the method shown in any one of the foregoing second aspects, and the implementation principle and the beneficial effects are similar, and details are not described herein.

In a fifth aspect, the application provides a user plane function network element, including: a processor, a memory, and a communication bus, wherein the communication bus is used to implement connection between components, the memory is used to store program instructions, and the processor is configured to read The program instructions in the memory and the method of any of the above first aspects are performed in accordance with program instructions in the memory.

In a sixth aspect, the application provides a session management function network element, including: a processor, a memory, and a communication bus, wherein the communication bus is used to implement a connection between components, the memory is used to store program instructions, and the processor is configured to read The program instructions in the memory, and the method of any of the above second aspects is performed in accordance with program instructions in the memory.

In a seventh aspect, the present application provides a computer readable storage medium comprising instructions, when executed on a computer, causing a computer to perform the method of any of the first aspect or the second aspect.

In an eighth aspect, the application provides a computer program product comprising computer executed instructions stored in a computer readable storage medium. The at least one processor can read the computer-executable instructions from a computer-readable storage medium, and perform the method of any one of the first aspect or the second aspect.

In a ninth aspect, the present application provides a chip system, comprising a processor, for performing the method of any one of the first aspect or the second aspect. For example, data and/or information involved in the above methods are generated or processed. In one possible design, the chip system further includes a memory for storing necessary program instructions and data. The chip system can be composed of chips, and can also include chips and other discrete devices.

The method, device and device for processing an Ethernet broadcast frame provided by the present application, the session management function network element may send a forwarding rule and a user list to the user plane function network element, and the forwarding rule indicates a processing method for the Ethernet broadcast frame, and the user list includes The identifier of the at least one terminal device in the local area network or the identifier of the at least one terminal device in the first virtual local area network in the local area network, so that after the user plane function network element receives the Ethernet broadcast frame sent by the server in the local area network, the session may be based on the session. The forwarding rule sent by the management function network element sends the Ethernet broadcast frame to the terminal device in the user list, so that the user plane function network element can successfully forward the received Ethernet broadcast frame, thereby avoiding the loss of the Ethernet broadcast frame, thereby improving the data. The reliability of the transmission.

DRAWINGS

1 is a block diagram of a communication system provided by the present application;

2 is a schematic flowchart 1 of a method for processing an Ethernet broadcast frame provided by the present application;

3 is a schematic flowchart 2 of a method for processing an Ethernet broadcast frame provided by the present application;

4 is a schematic flowchart 3 of a method for processing an Ethernet broadcast frame provided by the present application;

FIG. 5 is a schematic structural diagram of an apparatus for processing an Ethernet broadcast frame according to the present application;

6 is a schematic structural diagram 1 of another apparatus for processing an Ethernet broadcast frame provided by the present application;

FIG. 7 is a schematic structural diagram 2 of another apparatus for processing an Ethernet broadcast frame provided by the present application; FIG.

FIG. 8 is a schematic structural diagram of a user plane function network element provided by the present application;

FIG. 9 is a schematic structural diagram of a session management function network element provided by the present application.

Detailed ways

FIG. 1 is a structural diagram of a communication system provided by the present application. Referring to FIG. 1, the communication system may include a User Equipment (UE) 101, an Access Network (AN) node 102, a UPF network element 103, a switch 104, a server 105, and access and mobility management. The access and Mobility Management Function (AMF) network element 106 and the Session Management Function (SMF) network element 107. Optionally, the communication system may further include other network elements, for example, a Policy Control Function (PCF) network element 108.

Alternatively, the UE 101 may be a mobile phone (or "cellular" phone) or a computer with a mobile terminal, for example, a portable, pocket, handheld, computer built-in or in-vehicle mobile device or the like. In addition, the UE may also be referred to as a mobile station (MS), a terminal, and a terminal equipment. The present application is not limited thereto.

The AN node 102 may be a device that provides wireless access to the terminal device, including but not limited to an evolved Node B (eNB), a wireless fidelity access point (WLAN AP), A global interoperability for Microwave Access Base Station (WiMAX BS), a base station (eg, gNodeB, gNB) in a 5G network, and the like.

The UPF network element 103 is configured to process the packet, such as forwarding, statistics, and the like. The UFP network element 103 also completes the execution of the session related policy according to the indication of the SMF.

The switch 104 is configured to forward the packet. For example, the switch 104 can forward the packet received from the UPF network element 103 to the corresponding server 105, and forward the packet received from the server 105 to the corresponding UPF network element. 103.

Server 105 is used to provide data services to UE 101. For example, server 105 can be an Authentication-Authorization-Accounting (AAA) server.

The switch 104 and the server 105 are network elements in the local area network.

The AMF network element 106 is used to forward messages between the SMF and the UE, and is also responsible for mobility management in the mobile network, such as user location update, user registration network, user handover, and the like.

The SMF network element 107 is mainly responsible for session management in the mobile network, such as session establishment, session modification, and session release.

The PCF network element 108 is used to formulate policies of the terminal device, such as a quality of service (QoS) policy, a slice selection policy, and the like.

The above network elements can be either network components implemented on dedicated hardware, software instances running on dedicated hardware, or instances of virtualization functions on appropriate platforms. For example, the virtualization platform can be a cloud platform. .

In the present application, the session management function network element may send a forwarding rule to the user plane function network element, and the forwarding rule indicates a processing method for the Ethernet broadcast frame, so that the user plane function network element receives the server sent by the local area network. After the Ethernet broadcast frame, the Ethernet broadcast frame can be processed according to the forwarding rule sent by the session management function network element, so that the user plane function network element can successfully forward the received Ethernet broadcast frame, thereby avoiding the loss of the Ethernet broadcast frame. Improve the reliability of data transmission.

Hereinafter, the technical solutions shown in the present application will be described in detail through specific embodiments. It should be noted that the following specific embodiments may be combined with each other, and the same or similar content will not be repeatedly described in different embodiments.

FIG. 2 is a schematic flowchart 1 of a method for processing an Ethernet broadcast frame provided by the present application. Referring to FIG. 2, the method may include:

S201. The session management function network element sends a user list to the user plane function network element.

The user list includes at least one terminal device that accesses the local area network or an identifier of at least one terminal device that accesses the first virtual local area network in the local area network.

Optionally, the session management function network element may be the SMF network element 107 shown in FIG. 1.

Optionally, when the local area network is not divided into a virtual local area network, the local area network generally corresponds to a user list, where the user list includes an identifier of at least one terminal device that accesses the local area network.

Optionally, when the local area network divides the virtual local area network, each virtual local area network corresponds to a user list, and the user list corresponding to each virtual local area network includes an identifier of at least one terminal device that accesses the virtual local area network. In order to facilitate distinguishing between user lists corresponding to different virtual local area networks, the user list may further include an identifier of the virtual local area network.

It should be noted that the first virtual local area network is any one of the virtual local area networks in the local area network. The following embodiment uses the virtual local area network as the first virtual local area network as an example for description.

Optionally, the user list may be generated by the session management function network element.

Optionally, the session management function network element may generate a corresponding user list when the terminal device that accesses the local area network or the first virtual local area network changes, or the session management function network element may periodically generate a user list. The time and trigger condition for generating the user list by the session management function network element are not specifically limited.

Optionally, the session management function network element can determine whether the terminal device accessing the local area network changes by detecting a session established to the local area network. For example, when the session management function network element detects that a new session is established in the local area network or releases the old session, it may be determined that the terminal device accessing the local area network changes.

Optionally, the session management function network element may determine whether the terminal device accessing the first virtual local area network changes by detecting a session established to the first virtual local area network. For example, when the session management function network element detects that a new session is established in the first virtual local area network or releases the old session, it may be determined that the terminal device accessing the first virtual local area network changes.

S202. The session management function network element sends a forwarding rule to the user plane function network element.

The forwarding rule is configured to instruct the user plane function network element to send the received Ethernet broadcast frame to the terminal device in the user list in a unicast manner.

Optionally, the session management function network element sends the forwarding rule to the user plane function network element when the user plane function network element is deployed, or the session management function network element can periodically send the forwarding rule to the user plane function network element. Or, the session management function network element may send a forwarding rule to the user plane function network element when the forwarding rule changes, or the session management function network element may also send the request message to the user after receiving the user plane function network element request message. The surface function network element sends forwarding rules. Of course, in the actual application process, the session management function network element can send a forwarding rule to the user plane function network element according to actual needs. The time and trigger condition for the session management function network element to send the forwarding rule to the user plane function network element are not performed. Specifically limited.

Optionally, the session management function network element may send a forwarding rule to the user plane function network element in the Sx session. For example, the session management function network element may send an Sx message to the user plane function network element, and carry the forwarding rule in the Sx message. .

Optionally, the Forwarding Action Rule (FAR) in the Packet Detection Rule (PDR) of the Sx message may be set to: send the received Ethernet to the terminal device in the user list in a unicast manner. Broadcast frame. Correspondingly, when the session management function network element sends an Sx message to the user plane function network element, the forwarding rule can be sent to the user plane function network element by using the Sx message.

Optionally, when the local area network divides the virtual local area network, the forwarding rules corresponding to different virtual local area networks may be the same or different. To facilitate distinguishing the forwarding rules of different virtual local area networks, the forwarding rules can carry the identifiers of the virtual local area networks. For example, the forwarding rule corresponding to the first virtual local area network may carry the identifier of the first virtual local area network.

S203. The user plane function network element receives an Ethernet broadcast frame.

Optionally, the Ethernet broadcast frame received by the user plane function network element may be sent by a local area network or a server in the first virtual local area network.

Optionally, when the local area network divides the virtual local area network, the identifier of the first virtual local area network may be included in the Ethernet broadcast frame to indicate that the Ethernet frame is sent by the server in the first virtual local area network.

Optionally, the destination media access control (MAC) address of the Ethernet broadcast frame is FFFF-FFFF-FFFF.

S204. The user plane function network element sends an Ethernet broadcast frame to the terminal device in the user list in a unicast manner according to the forwarding rule.

When the local area network is not divided into the virtual local area network, the user plane function network element sends the received Ethernet broadcast frame to the terminal device in the user list corresponding to the local area network according to the forwarding rule.

When the local area network is divided into the virtual local area network, the identifier of the first virtual local area network may be included in the Ethernet broadcast frame, so that the user plane sends the Ethernet broadcast frame to the terminal device in the user list corresponding to the first virtual local area network according to the forwarding rule. Wherein, when the identifier of the first virtual local area network is included in the Ethernet broadcast frame, it is indicated that the Ethernet broadcast frame is sent by the server in the first virtual local area network. That is, step S204 includes: the user plane function network element determines a user list corresponding to the first virtual local area network according to the identifier of the first virtual local area network in the Ethernet broadcast frame, and sends the received Ethernet broadcast to the terminal device in the user list. frame.

Optionally, the user plane function network element may send the Ethernet broadcast frame to the terminal device in the user list in a unicast manner by using at least two possible implementation manners:

A feasible implementation:

It is assumed that at least one terminal device (at least one terminal device in the user list) that is connected to the local area network or the first virtual local area network includes the first terminal device, and the following is an example of sending an Ethernet broadcast frame to the first terminal device, in the opposite user list. The process by which the terminal device sends an Ethernet broadcast frame is described:

The user plane function network element sets the destination MAC address of the Ethernet broadcast frame as the MAC address of the first terminal device according to the forwarding rule, and sends the Ethernet broadcast frame to the first terminal device in a unicast manner.

Optionally, the user plane function network element copies the Ethernet broadcast frame according to the forwarding rule, and sets the destination MAC address of the copied Ethernet broadcast frame to the MAC address of the first terminal device to generate the first Ethernet unicast frame, and A terminal device transmits a first Ethernet unicast frame.

Optionally, the forwarding rule may include a first forwarding rule and a second forwarding rule. For example, the first forwarding rule may be a multicast forwarding rule, and the first forwarding rule indicates that the Ethernet broadcast frame is sent in unicast mode. The second forwarding rule may be a user session forwarding rule, and the second forwarding rule is a forwarding rule used when sending an Ethernet unicast frame.

Optionally, the identifier of the first virtual local area network may be included in the first forwarding rule and the second forwarding rule; or the identifier of the first virtual local area network may be included in the first forwarding rule.

Optionally, the user plane function network element may set the destination MAC address of the Ethernet broadcast frame as the MAC address of the first terminal device according to the first forwarding rule; the user plane function network element may be in a unicast manner according to the second forwarding rule. An Ethernet broadcast frame is transmitted to the first terminal device.

Another possible implementation:

It is assumed that at least one terminal device (at least one terminal device in the user list) that is connected to the local area network or the first virtual local area network includes the second terminal device, and the following is an example of sending the Ethernet broadcast frame to the second terminal device as an example, in the opposite user list. The process by which the terminal device sends an Ethernet broadcast frame is described:

The user plane function network element determines the second Ethernet unicast frame according to the forwarding rule, and forwards the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame, where the destination address of the second Ethernet unicast frame is the second terminal. MAC address of the device;

Optionally, the second Ethernet unicast frame is an existing Ethernet unicast frame that needs to be sent to the second terminal device.

Optionally, the user plane function network element may first determine an Ethernet session corresponding to the second terminal device, where the Ethernet session is an Ethernet session between the second terminal device and the local area network, or the second terminal device and the first virtual local area network Between the Ethernet sessions. The user plane function network element determines the second unicast frame in the unicast frame transmitted in the Ethernet session. For example, the destination MAC address transmitted through the Ethernet session may be the unicast of the MAC address of the second terminal device. The frame is determined to be a second Ethernet unicast frame.

Optionally, the user plane function network element may add data in the Ethernet broadcast frame in the second Ethernet unicast frame, and send the second Ethernet unicast frame to the second terminal device, to implement the second Ethernet unicast frame. The Ethernet broadcast frame is forwarded to the second terminal device.

Optionally, the forwarding rule may include a third forwarding rule and a fourth forwarding rule. For example, the third forwarding rule may be a multicast forwarding rule, and the third forwarding rule indicates that the second Ethernet unicast frame for carrying the Ethernet broadcast frame is determined in the existing Ethernet unicast frame sent to the second terminal device. . The fourth forwarding rule may be a user session forwarding rule, and the fourth forwarding rule is a forwarding rule used when sending an Ethernet unicast frame.

Optionally, the identifier of the first virtual local area network may be included in the third forwarding rule and the fourth forwarding rule; or the identifier of the first virtual local area network may be included in the third forwarding rule.

Optionally, the user plane function network element may determine the second Ethernet unicast frame according to the third forwarding rule; the user plane function network element may forward the ether to the second terminal device by using the second Ethernet unicast frame according to the fourth forwarding rule. Broadcast frame.

The method for processing an Ethernet broadcast frame provided by the present application, the session management function network element may send a forwarding rule and a user list to the user plane function network element, and the forwarding rule indicates a processing method for the Ethernet broadcast frame, where the user list includes at least the access LAN. The identifier of a terminal device or the identifier of at least one terminal device of the first virtual local area network in the local area network, so that after the user plane function network element receives the Ethernet broadcast frame sent by the server in the local area network, the network element can be configured according to the session management function. The sending forwarding rule sends the Ethernet broadcast frame to the terminal device in the user list, so that the user plane function network element can successfully forward the received Ethernet broadcast frame, thereby avoiding the loss of the Ethernet broadcast frame, thereby improving the reliability of the data transmission. .

On the basis of any of the foregoing embodiments, when the forwarding rules are different, the user plane function network element processes the Ethernet broadcast frame differently. The process of the user plane function network element to the Ethernet broadcast frame under the two different forwarding rules will be described below through the embodiments shown in FIG. 3 to FIG. 4. It should be noted that, in the embodiment shown in FIG. 3 to FIG. 4, a process in which a virtual local area network is divided in a local area network and the user plane function network element processes an Ethernet broadcast frame in the first virtual local area network is taken as an example for description. .

FIG. 3 is a schematic flowchart 2 of a method for processing an Ethernet broadcast frame provided by the present application. In the embodiment shown in FIG. 3, the forwarding rule includes a first forwarding rule and a second forwarding rule. The session management function network element is an SMF network element, and the user plane function network element is a UPF network element. Referring to FIG. 3, the method may include:

S301: The SMF network element detects, when the terminal device accessing the first virtual local area network changes, the user list corresponding to the first virtual local area network.

Optionally, the user list corresponding to the first virtual local area network includes an identifier of the terminal device that accesses the first virtual local area network. In addition, the user list corresponding to the first virtual local area network may further include an identifier of the first virtual local area network.

It should be noted that the S301 is only used as an example to indicate the condition that the SMF network element generates the user list corresponding to the first virtual local area network. Of course, the SMF network element can also generate the user list corresponding to the first virtual local area network under other conditions. This is not specifically limited.

Optionally, when the SMF network element stores the user list corresponding to the first virtual local area network before the current time, the SMF may detect the stored first virtual device when the terminal device that accesses the first virtual local area network changes. The user list corresponding to the local area network is updated.

S302. The SMF network element sends the user list corresponding to the first virtual local area network to the UPF network element.

Optionally, after the UPF network element receives the user list corresponding to the first virtual local area network, if the user list corresponding to the first virtual local area network is not stored in the UPF network element, the UPF network element may store the received user list; The user list corresponding to the first virtual local area network is stored in the network element, and the UPF network element can update the stored user list corresponding to the first virtual local area network according to the received user list.

S303. The SMF network element sends the first forwarding rule and the second forwarding rule corresponding to the first virtual local area network to the UPF network element.

Optionally, when the forwarding rules of the different virtual local area networks are different, the first forwarding rule and the second forwarding rule may include the identifier of the first virtual local area network, or the first forwarding rule may include the identifier of the first virtual local area network. .

It should be noted that the forwarding rule corresponding to the first virtual local area network may be another forwarding rule. The embodiment shown in FIG. 3 only takes the forwarding rule corresponding to the first virtual local area network as the first forwarding rule and the second forwarding rule as an example. It is not a limitation of the forwarding rule corresponding to the first virtual local area network.

It should be noted that the implementation process of S303 can be referred to as S202, and details are not described herein again.

It should be noted that there is no sequential execution sequence between S301-S302 and S303, and S301-S302 and S303 may be executed sequentially or simultaneously.

S304. The server in the first virtual local area network sends an Ethernet broadcast frame to the UPF network element.

Optionally, the identifier of the first virtual local area network is included in the Ethernet broadcast frame.

It should be noted that the implementation process of S304 can be referred to S203, and details are not described herein again.

S305. The UPF network element copies the Ethernet broadcast frame according to the first forwarding rule, and sets the destination MAC address of the copied Ethernet broadcast frame to the MAC address of the terminal device in the user list to generate multiple first Ethernet unicast frames.

Optionally, the UPF network element may copy the Ethernet broadcast frame according to the number of the terminal devices in the user list, obtain multiple duplicate Ethernet broadcast frames, and set the destination MAC address of the copied Ethernet broadcast frame to the user list respectively. The MAC address of the terminal device.

Optionally, the MAC address of the terminal device may also be included in the user list, so that the UPF network element can obtain the MAC address of the terminal device in the user list.

For example, if the user list includes 100 terminal devices, the UPF network element can copy 100 Ethernet broadcast frames to obtain 100 replicated Ethernet broadcast frames, and set the destination MAC addresses of the 100 replicated Ethernet broadcast frames respectively. For the MAC address of the 100 terminal devices, 100 Ethernet unicast frames are obtained.

S306. The UPF network element sends a corresponding first Ethernet unicast frame to the terminal device in the user list according to the second forwarding rule.

Optionally, the UPF network element may send the corresponding first Ethernet unicast frame to the terminal device in an Ethernet session corresponding to each terminal device in the user list.

For example, if the first Ethernet unicast frame corresponding to the terminal device 1 in the user list is the Ethernet unicast frame 1, the UPF network element sends the Ethernet unicast frame 1 to the terminal device 1. Assuming that the first Ethernet unicast frame corresponding to the terminal device 2 in the user list is the Ethernet unicast frame 2, the UPF network element sends the Ethernet unicast frame 2 to the terminal device 2.

In the embodiment shown in FIG. 3, the SMF network element may send the first forwarding rule, the second forwarding rule, and the user list corresponding to the first virtual local area network to the UPF network element, so that the first virtual local area network is received by the UPF network element. After the Ethernet broadcast frame is sent by the server, the Ethernet broadcast frame may be processed according to the first forwarding rule to obtain a plurality of first Ethernet unicast frames, and the UPF network element may also be used according to the second forwarding rule to the terminal in the user list. The device sends the obtained first Ethernet unicast frame, so that the UPF network element can successfully forward the received Ethernet broadcast frame.

FIG. 4 is a schematic flowchart 3 of a method for processing an Ethernet broadcast frame provided by the present application. In the embodiment shown in FIG. 4, the forwarding rule includes a third forwarding rule and a fourth forwarding rule. The session management function network element is an SMF network element, and the user plane function network element is a UPF network element. Referring to FIG. 4, the method may include:

S401: The SMF network element detects a user list corresponding to the first virtual local area network when the terminal device accessing the first virtual local area network changes.

S402. The SMF network element sends the user list corresponding to the first virtual local area network to the UPF network element.

It should be noted that the execution process of S401-S402 can be referred to S301-S302, and details are not described herein.

S403. The SMF network element sends a third forwarding rule and a fourth forwarding rule corresponding to the first virtual local area network to the UPF network element.

Optionally, when the forwarding rules of the different virtual local area networks are different, the third forwarding rule and the fourth forwarding rule may include the identifier of the first virtual local area network, or the third forwarding rule may include the identifier of the first virtual local area network. .

It should be noted that the forwarding rule corresponding to the first virtual local area network may be another forwarding rule. The embodiment shown in FIG. 4 only takes the forwarding rule corresponding to the first virtual local area network as the third forwarding rule and the fourth forwarding rule as an example. It is not a limitation of the forwarding rule corresponding to the first virtual local area network.

It should be noted that the implementation process of S403 can be referred to as S202, and details are not described herein again.

It should be noted that there is no sequential execution sequence between S401-S402 and S403, and S401-S402 and S403 may be executed sequentially or simultaneously.

S404. The server in the first virtual local area network sends an Ethernet broadcast frame to the UPF network element.

It should be noted that the execution process of S404 can be referred to in S304, and details are not described herein again.

S405. The UPF network element determines, according to the third forwarding rule, a second Ethernet unicast frame corresponding to each terminal device in the user list.

Optionally, the UPF network element can determine a second Ethernet unicast frame corresponding to each terminal device in the user list, so that each terminal device corresponds to a second Ethernet unicast frame.

For example, if the user list includes 100 terminal devices, the UPF network element can respectively determine the second Ethernet unicast frame corresponding to the 100 terminal devices, to obtain 100 second Ethernet unicast frames, each of the terminal devices and one The second Ethernet unicast frame corresponds.

It should be noted that the second Ethernet unicast frame corresponding to each terminal device may be determined by referring to the execution process of S204, and details are not described herein.

S406. The UPF network element forwards the Ethernet broadcast frame to the corresponding terminal device by using the second Ethernet unicast frame according to the fourth forwarding rule.

For example, assuming that the second Ethernet unicast frame corresponding to the terminal device 1 in the user list is the Ethernet unicast frame 1, the UPF network element forwards the Ethernet broadcast frame to the terminal device 1 through the Ethernet unicast frame 1. Assuming that the second Ethernet unicast frame corresponding to the terminal device 2 in the user list is the Ethernet unicast frame 2, the UPF network element forwards the Ethernet broadcast frame to the terminal device 2 through the Ethernet unicast frame 2.

It should be noted that, referring to the execution process of S204, the Ethernet broadcast frame is forwarded to the corresponding terminal device by using the second Ethernet unicast frame.

In the embodiment shown in FIG. 4, the SMF network element may send a third forwarding rule, a fourth forwarding rule, and a user list corresponding to the first virtual local area network to the UPF network element, so that the first virtual local area network is received by the UPF network element. After the Ethernet broadcast frame sent by the server, the second Ethernet unicast frame corresponding to each terminal device in the user list may be determined according to the third forwarding rule, and the UPF network element may also be in the user list according to the second forwarding rule. The terminal device sends the obtained second Ethernet unicast frame, so that the UPF network element can successfully forward the received Ethernet broadcast frame.

It should be noted that the forwarding rule may further include a fifth forwarding rule and a sixth forwarding rule. For example, the fifth forwarding rule may be a multicast forwarding rule, and the fifth forwarding rule is used to indicate that the Ethernet broadcast frame is processed by the sixth forwarding rule. The sixth forwarding rule may be a user session forwarding rule, where the sixth forwarding rule is a forwarding rule used when sending an Ethernet broadcast frame. For example, the sixth forwarding rule may be to send an Ethernet broadcast frame to a terminal device in the user list.

FIG. 5 is a schematic structural diagram of an apparatus for processing an Ethernet broadcast frame provided by the present application. Referring to FIG. 5, the apparatus may include an obtaining module 11, a receiving module 12, and a sending module 13, wherein

The obtaining module 11 is configured to obtain a user list and a forwarding rule from a session management function network element, where the user list includes an identifier of at least one terminal device that accesses a local area network or accesses a first virtual local area network in the local area network. At least one identification of the terminal device;

The receiving module 12 is configured to receive an Ethernet broadcast frame.

The sending module 13 is configured to send the Ethernet broadcast frame to a terminal device in the user list in a unicast manner according to the forwarding rule.

The processing device of the Ethernet broadcast frame provided by the present application may perform the technical solution shown in the foregoing method embodiment, and the implementation principle and the beneficial effects are similar, and details are not described herein.

In a possible implementation, the at least one terminal device that accesses the local area network or the first virtual local area network includes a first terminal device, and the sending module 13 is specifically configured to:

Determining, according to the forwarding rule, a destination MAC address of the Ethernet broadcast frame as a MAC address of the first terminal device;

Transmitting the Ethernet broadcast frame to the first terminal device in a unicast manner.

In another possible implementation, the forwarding rule includes a first forwarding rule and a second forwarding rule. The sending module 13 is specifically configured to:

Determining, according to the first forwarding rule, a destination MAC address of the Ethernet broadcast frame as a MAC address of the first terminal device;

And transmitting, according to the second forwarding rule, the Ethernet broadcast frame to the first terminal device in a unicast manner.

In another possible implementation manner, the sending module 13 is specifically configured to:

Copying the Ethernet broadcast frame according to the forwarding rule, and setting a destination MAC address of the copied Ethernet broadcast frame as a MAC address of the first terminal device to generate a first Ethernet unicast frame;

Sending the first Ethernet unicast frame to the first terminal device.

In another possible implementation, the accessing the local area network or the at least one terminal device of the first virtual local area network includes a second terminal device, where the sending module 13 is specifically configured to:

Determining, according to the forwarding rule, a second Ethernet unicast frame, where a destination address of the second Ethernet unicast frame is a MAC address of the second terminal device;

And forwarding, by the second Ethernet unicast frame, the Ethernet broadcast frame to the second terminal device.

In another possible implementation, the forwarding rule includes a third forwarding rule and a fourth forwarding rule. The sending module 13 is specifically configured to:

Determining, according to the third forwarding rule, the second Ethernet unicast frame;

And transmitting, by the second Ethernet unicast frame, the Ethernet broadcast frame to the second terminal device according to the fourth forwarding rule.

In another possible implementation manner, the first forwarding rule and the second forwarding rule include an identifier of the first virtual local area network; or the first forwarding rule includes an identifier of the first virtual local area network. .

In another possible implementation manner, the third forwarding rule and the fourth forwarding rule include an identifier of the first virtual local area network; or the third forwarding rule includes an identifier of the first virtual local area network. .

In the embodiment shown in FIG. 5, optionally, the obtaining module 11 can execute S201-S202 in the foregoing embodiment of FIG. 2, S302-S303 in the embodiment shown in FIG. 3, and the embodiment shown in FIG. S402-S403, the specific implementation process and the corresponding beneficial effects can be referred to in the description of the method embodiment, and details are not described herein.

Optionally, the receiving module 12 can perform S203 in the foregoing embodiment of FIG. 2, S304 in the embodiment shown in FIG. 3, and S404 in the embodiment shown in FIG. 4, and the specific execution process and corresponding beneficial effects can be referred to the method. The description in the embodiments is not described herein again.

Optionally, the sending module 13 can perform S204 in the foregoing embodiment of FIG. 2, S305-S306 in the embodiment shown in FIG. 3, and S405-S406 in the embodiment shown in FIG. 4, and the specific execution process and corresponding benefits are beneficial. For the effect, refer to the description in the method embodiment, and details are not described herein.

FIG. 6 is a schematic structural diagram 1 of another apparatus for processing an Ethernet broadcast frame provided by the present application. Referring to FIG. 6, the device may include a sending module 21, where

The sending module 21 is configured to send a user list to the user plane function network element, where the user list includes an identifier of at least one terminal device that accesses the local area network or accesses at least one terminal device of the first virtual local area network in the local area network. Identification

The sending module 21 is further configured to send a forwarding rule to the user plane function network element, where the forwarding rule is used to indicate that the user plane function network element sends and receives to the terminal device in the user list in a unicast manner. To the Ethernet broadcast frame.

In a possible implementation, the sending module 21 is specifically configured to:

Sending an Sx message to the user plane function network element, where the Sx message includes the forwarding rule.

FIG. 7 is a schematic structural diagram 2 of another apparatus for processing an Ethernet broadcast frame provided by the present application. On the basis of the embodiment shown in FIG. 6, referring to FIG. 7, the device further includes a generating module 22, wherein

The generating module 22 is configured to generate the user list.

In another possible implementation manner, the generating module 22 is specifically configured to:

The user list is generated when a terminal device accessing the local area network or the first virtual local area network changes.

In the embodiment shown in FIG. 6 to FIG. 7 , optionally, the sending module 21 can perform S201-S202 in the foregoing embodiment of FIG. 2, S302-S303 in the embodiment shown in FIG. 3, and FIG. For the specific implementation process and the corresponding beneficial effects of the S402-S403 in the embodiment, refer to the description in the method embodiment, and details are not described herein.

Optionally, the generating module 22 can perform the foregoing S301 in the embodiment shown in FIG. 3 and the S401 in the embodiment shown in FIG. 4, and the specific implementation process and corresponding beneficial effects can be referred to in the description of the method embodiment, where No more details are given.

FIG. 8 is a schematic structural diagram of a user plane function network element provided by the present application. Referring to FIG. 8, a processor 31, a memory 32 for implementing a connection between components, a memory 32 for storing program instructions, and a communication bus 33 for the processor 31 for The program instructions in the memory 32 are read and the methods illustrated in the embodiment of Figures 2-4 are performed in accordance with the program instructions in the memory 32. Optionally, the processor 31 may perform other processing in addition to information transceiving of the user plane function network element in the embodiments of FIG. 2 to FIG. 4. The implementation principle and beneficial effects are similar, and will not be described here.

FIG. 9 is a schematic structural diagram of a session management function network element provided by the present application. Referring to FIG. 9, a processor 41, a memory 42 for implementing a connection between components, and a communication bus 43 for storing program instructions, the processor 41 is configured to The program instructions in the memory 42 are read, and the method shown in the embodiment of Figures 2 - 4 is performed in accordance with the program instructions in the memory 42. Optionally, the processor 41 may perform other processing than the information transmission and reception of the session management function network element in the embodiments of FIG. 2 to FIG. 4. The implementation principle and beneficial effects are similar, and will not be described here.

The present application provides a computer readable storage medium comprising instructions, when executed on a computer, causing a computer to perform a method of processing an Ethernet broadcast frame as shown in any of the above method embodiments.

The application provides a computer program product comprising computer executed instructions stored in a computer readable storage medium. At least one processor can read the computer execution instructions from a computer readable storage medium, and execute the computer execution instructions to perform the method of processing the Ethernet broadcast frames shown in any of the above method embodiments.

The present application provides a chip system including a processor for supporting functions implemented in any of the above-described embodiments, such as, for example, generating or processing data and/or information involved in the above methods. In one possible design, the chip system further includes a memory for storing necessary program instructions and data. The chip system can be composed of chips, and can also include chips and other discrete devices.

It will be appreciated that Figures 8 and 9 only show a simplified design of the above described apparatus. In practical applications, each of the above devices may include any number of transmitters, receivers, processors, controllers, memories, communication units, etc., and all devices that can implement the present application are within the scope of the present application.

The processor used in the above-mentioned session management function network element or user plane function network element of the present application may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and a field. Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure. The processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.

The steps of a method or algorithm described in connection with the present disclosure may be implemented in a hardware or may be implemented by a processor executing software instructions. The software instructions may be comprised of corresponding software modules that may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable hard disk, CD-ROM, or any other form of storage well known in the art. In the medium. An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium. Of course, the storage medium can also be an integral part of the processor. The processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in a session management function network element. Of course, the processor and the storage medium may also exist as discrete components in the session management function network element or the user plane function network element.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented in software, it 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. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.). The computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media. The usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).

The specific embodiments of the present invention have been described in detail with reference to the specific embodiments of the present application. It is to be understood that the foregoing description is only The scope of protection, any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the present application are included in the scope of protection of the present application.

Claims

A method for processing an Ethernet broadcast frame, comprising:

The user plane function network element obtains a user list and a forwarding rule from the session management function network element, where the user list includes an identifier of at least one terminal device that accesses the local area network or accesses at least one terminal of the first virtual local area network in the local area network. Identification of the equipment;

The user plane function network element receives the Ethernet broadcast frame, and sends the Ethernet broadcast frame to the terminal device in the user list in a unicast manner according to the forwarding rule.
The method according to claim 1, wherein the accessing the local area network or the at least one terminal device of the first virtual local area network comprises a first terminal device,

The user plane function network element sends the Ethernet broadcast frame to the terminal device in the user list in a unicast manner according to the forwarding rule, including:

The user plane function network element sets the destination media access control MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the forwarding rule.

The user plane function network element sends the Ethernet broadcast frame to the first terminal device in a unicast manner.
The method according to claim 2, wherein the forwarding rule comprises a first forwarding rule and a second forwarding rule;

The user plane function network element sets the destination MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the forwarding rule, and includes:

The user plane function network element sets the destination MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the first forwarding rule.

The user plane function network element sends the Ethernet broadcast frame to the first terminal device in a unicast manner, including:

The user plane function network element sends the Ethernet broadcast frame to the first terminal device in a unicast manner according to the second forwarding rule.
The method according to claim 2 or 3, wherein the user plane function network element sets the destination MAC address of the Ethernet broadcast frame to the MAC address of the first terminal device according to the forwarding rule. include:

The user plane function network element copies the Ethernet broadcast frame according to the forwarding rule, and sets the destination MAC address of the copied Ethernet broadcast frame to the MAC address of the first terminal device to generate a first Ethernet list. Broadcast frame

The user plane function network element sends the Ethernet broadcast frame to the first terminal device in a unicast manner, including:

The user plane function network element sends the first Ethernet unicast frame to the first terminal device.
The method according to claim 1, wherein the accessing the local area network or the at least one terminal device of the first virtual local area network comprises a second terminal device,

The user plane function network element sends the Ethernet broadcast frame to the terminal device in the user list in a unicast manner according to the forwarding rule, including:

Determining, by the user plane function network element, a second Ethernet unicast frame according to the forwarding rule, where a destination address of the second Ethernet unicast frame is a MAC address of the second terminal device;

The user plane function network element forwards the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame.
The method according to claim 5, wherein the forwarding rule comprises a third forwarding rule and a fourth forwarding rule;

Determining, by the user plane function network element, the second Ethernet unicast frame according to the forwarding rule, including:

Determining, by the user plane function network element, the second Ethernet unicast frame according to the third forwarding rule;

And the user plane function network element forwards the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame according to the forwarding rule, including:

And the user plane function network element forwards the Ethernet broadcast frame to the second terminal device by using the second Ethernet unicast frame according to the fourth forwarding rule.
The method according to any one of claims 1-6, wherein the user list comprises at least one terminal device accessing the first virtual local area network, and the Ethernet broadcast frame comprises the first virtual local area network. Logo.
The method of claim 4 wherein:

The first forwarding rule and the second forwarding rule include an identifier of the first virtual local area network; or

The first forwarding rule includes an identifier of the first virtual local area network.
The method of claim 6 wherein:

The third forwarding rule and the fourth forwarding rule include an identifier of the first virtual local area network; or

The third forwarding rule includes an identifier of the first virtual local area network.
A method for processing an Ethernet broadcast frame, comprising:

The session management function network element sends a user list to the user plane function network element, where the user list includes an identifier of at least one terminal device that accesses the local area network or an identifier of at least one terminal device that accesses the first virtual local area network in the local area network;

The session management function network element sends a forwarding rule to the user plane function network element, where the forwarding rule is used to indicate that the user plane function network element sends the received network element to the terminal device in the user list in a unicast manner. Ethernet broadcast frame.
The method according to claim 10, wherein the session management function network element sends a forwarding rule to the user plane function network element, including:

The session management function network element sends an Sx message to the user plane function network element, where the Sx message includes the forwarding rule.
The method of claim 10, wherein the method further comprises:

The session management function network element generates the user list.
The method according to claim 12, wherein the session management function network element generates the user list, including:

The session management function network element generates the user list when a terminal device accessing the local area network or the first virtual local area network changes.
An apparatus for processing an Ethernet broadcast frame, comprising: an obtaining module, a receiving module, and a sending module, where

The obtaining module is configured to obtain a user list and a forwarding rule from a session management function network element, where the user list includes an identifier of at least one terminal device that accesses a local area network or accesses at least one of the first virtual local area network in the local area network. The identity of a terminal device;

The receiving module is configured to receive an Ethernet broadcast frame;

The sending module is configured to send the Ethernet broadcast frame to a terminal device in the user list in a unicast manner according to the forwarding rule.
The device according to claim 14, wherein the at least one terminal device that accesses the local area network or the first virtual local area network comprises a first terminal device, and the sending module is specifically configured to:

Determining, according to the forwarding rule, a destination media access control MAC address of the Ethernet broadcast frame as a MAC address of the first terminal device;

Transmitting the Ethernet broadcast frame to the first terminal device in a unicast manner.
The device according to claim 15, wherein the forwarding rule comprises a first forwarding rule and a second forwarding rule; the sending module is specifically configured to:

Determining, according to the first forwarding rule, a destination MAC address of the Ethernet broadcast frame as a MAC address of the first terminal device;

And transmitting, according to the second forwarding rule, the Ethernet broadcast frame to the first terminal device in a unicast manner.
The device according to claim 15 or 16, wherein the sending module is specifically configured to:

Copying the Ethernet broadcast frame according to the forwarding rule, and setting a destination MAC address of the copied Ethernet broadcast frame as a MAC address of the first terminal device to generate a first Ethernet unicast frame;

Sending the first Ethernet unicast frame to the first terminal device.
The device according to claim 14, wherein the at least one terminal device that accesses the local area network or the first virtual local area network comprises a second terminal device, and the sending module is specifically configured to:

Determining, according to the forwarding rule, a second Ethernet unicast frame, where a destination address of the second Ethernet unicast frame is a MAC address of the second terminal device;

And forwarding, by the second Ethernet unicast frame, the Ethernet broadcast frame to the second terminal device.
The device according to claim 18, wherein the forwarding rule comprises a third forwarding rule and a fourth forwarding rule; the sending module is specifically configured to:

Determining, according to the third forwarding rule, the second Ethernet unicast frame;

And transmitting, by the second Ethernet unicast frame, the Ethernet broadcast frame to the second terminal device according to the fourth forwarding rule.
The device according to any one of claims 14 to 19, wherein the user list comprises at least one terminal device accessing the first virtual local area network, and the Ethernet broadcast frame comprises the first virtual local area network Logo.
The device of claim 17 wherein:

The first forwarding rule and the second forwarding rule include an identifier of the first virtual local area network; or

The first forwarding rule includes an identifier of the first virtual local area network.
The device according to claim 19, characterized in that

The third forwarding rule and the fourth forwarding rule include an identifier of the first virtual local area network; or

The third forwarding rule includes an identifier of the first virtual local area network.
An apparatus for processing an Ethernet broadcast frame, comprising: a sending module, wherein

The sending module is configured to send a user list to the user plane function network element, where the user list includes an identifier of at least one terminal device that accesses the local area network or an identifier of at least one terminal device that accesses the first virtual local area network in the local area network. ;

The sending module is further configured to send a forwarding rule to the user plane function network element, where the forwarding rule is used to indicate that the user plane function network element is sent and received in a unicast manner to a terminal device in the user list. Ethernet broadcast frame.
The device according to claim 23, wherein the sending module is specifically configured to:

Sending an Sx message to the user plane function network element, where the Sx message includes the forwarding rule.
The device according to claim 23, wherein said device further comprises a generating module, wherein

The generating module is configured to generate the user list.
The device according to claim 25, wherein the generating module is specifically configured to:

The user list is generated when a terminal device accessing the local area network or the first virtual local area network changes.
A user plane function network element, comprising: a processor, a memory, and a communication bus, wherein the communication bus is used to implement a connection between components, the memory is used to store program instructions, and the processor is used by the processor The program instructions in the memory are read and the method of any one of claims 1-9 is performed in accordance with program instructions in the memory.
A session management function network element, comprising: a processor, a memory, and a communication bus, wherein the communication bus is used to implement a connection between components, and the memory is used to store program instructions, and the processor uses The program instructions in the memory are read and the method of any one of claims 10-13 is performed in accordance with program instructions in the memory.
A computer readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 1-13.