CN113395718B

CN113395718B - Network performance optimization method and system under condition that main/standby convergence layer equipment transmits back network scene

Info

Publication number: CN113395718B
Application number: CN202010177964.9A
Authority: CN
Inventors: 田劲
Original assignee: Fiberhome Telecommunication Technologies Co Ltd
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2023-04-07
Anticipated expiration: 2040-03-13
Also published as: CN113395718A

Abstract

The invention discloses a network performance optimization method and a system under a network return scene of main and standby convergence layer equipment, relating to the technical field of access authentication. The risk that the DHCP response message is broadcast to all base stations by the conventional convergence layer equipment to influence other base stations and even other network performances is avoided.

Description

Network performance optimization method and system under condition that main/standby convergence layer equipment transmits back network scene

Technical Field

The invention relates to the technical field of access authentication, in particular to a network performance optimization method and system under a network return scene of main and standby convergence layer equipment.

Background

The wireless base station needs to cross network segments to automatically acquire IP addresses through DHCP in telecommunication service, so that the convergence layer equipment uses DHCP RELAY to realize cross-network-segment DHCP transfer for the wireless base station. In order to deal with a network application scenario where a large number of addresses are applied in a network protection scenario, the active/standby convergence layer device may use a load balancing method to direct a response packet of the server to the standby convergence layer device, and the standby convergence layer device may broadcast a downlink DHCP response packet to all base stations due to the fact that the standby convergence layer device does not know the output interface information of the user access device, thereby affecting other base stations and even affecting network performance.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a network performance optimization method and a system under a network return scene of a main/standby convergence layer device, so as to avoid the risk that the convergence layer device broadcasts a DHCP response message to all base stations to influence the performance of other base stations and other networks.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a network performance optimization method under a network return scene of main and standby convergence layer equipment comprises the following steps:

configuring local interfaces on the main and standby aggregation devices and configuring different addresses;

the main aggregation equipment receives a DHCP request packet sent by a base station, uses a local interface address of the standby aggregation equipment as a source address, forwards the DHCP request packet to a DHCP server, and brings outlet interface information to the standby aggregation layer equipment along with a path;

the DHCP server feeds back the response packet to the standby convergence equipment according to the source address in the DHCP request packet;

and when the standby convergence device receives the response packet, analyzing to obtain the output interface information, and unicasting the response packet to the corresponding base station according to the output interface information.

On the basis of the above scheme, the main aggregation device brings the outgoing interface information to the standby aggregation layer device along with the path, and specifically includes the following steps:

when the main aggregation equipment forwards the DHCP request packet to the DHCP server, the main aggregation equipment stores the outlet interface information into the DHCP request packet and sends the DHCP request packet to the DHCP server;

and the response packet fed back to the standby convergence device through the DHCP server transmits the output interface information to the standby convergence layer device.

On the basis of the above scheme, the main aggregation device stores the outgoing interface information in the proxy circuit ID of the DHCP request packet and sends the outgoing interface information to the DHCP server, which specifically includes the following steps:

the main aggregation equipment stores the output interface information into the agent circuit ID of the DHCP request packet;

and sending the DHCP request packet carrying the interface information to a DHCP server in a relay mode.

On the basis of the above scheme, the egress interface information includes a two-layer port number and a VLAN ID.

On the basis of the above scheme, the main aggregation device receives a DHCP request packet sent from a base station, and specifically includes the following steps:

starting a DHCP relay function on the main aggregation equipment;

the main aggregation equipment receives a DHCP request packet sent by the base station through the virtual Ethernet interface group.

The invention also provides a network performance optimization system under the scene that the main and standby convergence layer equipment returns the network, which comprises the main convergence equipment, the standby convergence equipment and the DHCP server:

the main aggregation device is used for: configuring a local interface and an address; receiving a DHCP request packet sent by a base station, using a local interface address of the standby convergence device as a source address, forwarding the DHCP request packet to a DHCP server, and bringing outgoing interface information to the standby convergence layer device along with a path;

the DHCP server is used for: feeding back the response packet to the standby convergence equipment according to the source address in the DHCP request packet;

the standby aggregation device is configured to: configuring a local interface and an address; and when the response packet is received, analyzing to obtain the interface information, and unicasting the response packet to the corresponding base station according to the interface information.

On the basis of the above scheme, the step of bringing the outgoing interface information to the standby convergence layer device along with the path by the main convergence device specifically includes the following steps:

the main aggregation equipment stores the outgoing interface information into the agent circuit ID of the DHCP request packet;

On the basis of the above scheme, the egress interface information includes a layer two port number and a VLAN ID.

On the basis of the above scheme, the receiving, by the active aggregation device, the DHCP request packet sent by the base station specifically includes the following steps:

starting a DHCP relay function on the main aggregation equipment;

Compared with the prior art, the invention has the advantages that:

the invention configures local interfaces on the main aggregation device and different addresses, when the main aggregation device forwards a message to a server, the main aggregation device uses the local interface address of the standby aggregation device as a source address and brings information such as an output interface to the standby aggregation layer device along with a route, the main aggregation device records corresponding output interface information and stores the output interface information into a DHCP packet, and then relays the DHCP packet to a remote DHCP server. The risk that the DHCP response message is broadcast to all base stations by the conventional convergence layer equipment to influence other base stations and other network performances is avoided.

Drawings

Fig. 1 is a network diagram of a network protection scene returned by a main/standby convergence layer device according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a DHCP circuit id system of the active/standby convergence layer device DHCP RELAY according to the embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The main/standby convergence layer device returns a network protection scenario to the network, which is shown in fig. 1:

the BTS (Base Transceiver Station) needs to use DHCP to automatically acquire an IP address, and the BTS accesses a user access a device supporting a VPWS function through an AC (access Circuit). And a main PW and a standby PW are established between the device A and the two devices B through an L2 interface, and VPWS protection is carried out between the main PW and the standby PW. The active and standby convergence layer B devices configure a VE Group (virtual ethernet interface Group) to bind the L2VE and L3VE interfaces, implement termination of the L2 service, and provide a cross-network RELAY function for the wireless base station to obtain a DHCP address.

In a scenario where a main/standby convergence layer device returns a network protection, an embodiment of the present invention provides a method for optimizing network performance in a scenario where the main/standby convergence layer device returns a network, where the method specifically includes the following steps:

configuring local interfaces on the main aggregation equipment and the standby aggregation equipment, and configuring different addresses;

when the standby convergence equipment receives the response packet, the standby convergence equipment analyzes the response packet to obtain the output interface information, and unicasts the response packet to the corresponding base station according to the output interface information.

As a preferred embodiment, the method for bringing the egress interface information to the standby aggregation layer device along with the path by the active aggregation device specifically includes the following steps:

and feeding back a response packet to the standby convergence device through the DHCP server, and transmitting the output interface information to the standby convergence layer device.

As a preferred embodiment, the main aggregation device stores the egress interface information in the proxy circuit ID of the DHCP request packet and sends the egress interface information to the DHCP server, which specifically includes the following steps:

As a preferred embodiment, the egress interface information includes a layer two port number and a VLAN ID.

As a preferred embodiment, the method for receiving a DHCP request packet sent by a base station by an active aggregation device specifically includes the following steps:

starting a DHCP relay function on the main aggregation equipment;

The embodiment of the invention also provides a network performance optimization system under the scene that the main and standby convergence layer devices pass back the network, which comprises the main convergence device, the standby convergence device and the DHCP server:

As a preferred embodiment, the bringing, by the master aggregation device, outgoing interface information to the standby aggregation layer device along with the route specifically includes the following steps:

As a preferred embodiment, the method for storing the egress interface information in the proxy circuit ID of the DHCP request packet and sending the egress interface information to the DHCP server by the active aggregation device specifically includes the following steps:

As a preferred embodiment, the receiving, by the active aggregation device, a DHCP request packet sent by a base station specifically includes the following steps:

starting a DHCP relay function on the main aggregation equipment;

Specifically, a schematic diagram of a DHCP circuit id system of the active/standby convergence layer device DHCP RELAY is shown in fig. 2 as follows:

when a base station acquires an IP (Internet protocol), a broadcast discover request IP is sent, through two-layer and three-layer bridging, if a DHCP relay function is started on an L3VE interface of main B equipment, local interfaces are configured on the main B equipment and the standby B equipment, different addresses are configured, the main B equipment can receive the packet, the main B equipment records corresponding two-layer PORT INDEX (PORT number) and VLAN ID information and stores the PORT number and the VLAN ID information into a DHCP circuit ID (proxy circuit ID) option of a DHCP packet, the local interface address of the standby B equipment is used as a source address, the discover packet is relayed to a remote DHCP Server (Server), the local interface address of the standby B equipment is used as the source address for carrying out drainage, after the DHCP Server processes the DHCP packet, corresponding offer packets (response packets) are sent to the standby B equipment, at the time, the DHCP packet also carries DHCP information of the two-layer PORT INDEX and VALN ID information, and the like, and the standby B equipment receives the offer unicast ID information of the two-layer PORT INDEX and the VALN information, so that the address and the answer packets can be unicast ID of the broadcast discover packet without responding to the base station.

Based on the same inventive concept, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements all or part of method steps of a network performance optimization method in a scenario where a main/standby convergence layer device returns a network.

The invention realizes all or part of the flow in the network performance optimization method under the scene that the main and standby convergence layer devices return to the network, and can also be completed by instructing related hardware through a computer program, wherein the computer program can be stored in a computer readable storage medium, and when the computer program is executed by a processor, the steps of each method embodiment can be realized. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer-readable medium may contain suitable additions or subtractions depending on the requirements of legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer-readable media may not include electrical carrier signals or telecommunication signals in accordance with legislation and patent practice.

Based on the same inventive concept, an embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program running on the processor, and the processor executes the computer program to implement all or part of method steps in a network performance optimization method in a scenario where a main convergence layer device passes back to a network.

The processor may be a Central Processing Unit (CP U), or may be other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the computer device and the various interfaces and lines connecting the various parts of the overall computer device.

The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the computer device by executing or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, video data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A network performance optimization method under a network scene of main and standby convergence layer equipment returning is characterized by comprising the following steps:

when the standby convergence equipment receives the response packet, analyzing to obtain outlet interface information, and unicasting the response packet to a corresponding base station according to the outlet interface information;

the egress interface information includes a layer two port number and a VLAN ID.

2. The method of claim 1, wherein the active aggregation device brings the egress interface information to the standby aggregation layer device along with the path, and specifically comprises the following steps:

3. The method of claim 2, wherein the active aggregation device saves the egress interface information in a proxy circuit ID of the DHCP request packet and sends the egress interface information to the DHCP server, and specifically includes the following steps:

4. The method of claim 1, wherein the active aggregation device receives a DHCP request packet sent from a base station, and specifically comprises the following steps:

starting a DHCP relay function on the main aggregation equipment;

5. A network performance optimization system under a network scene of main and standby convergence layer equipment returning is characterized by comprising main convergence equipment, standby convergence equipment and a DHCP server:

the standby aggregation device is configured to: configuring a local interface and an address; when receiving the response packet, analyzing to obtain interface information, and unicasting the response packet to a corresponding base station according to the interface information;

6. The system of claim 5, wherein the active aggregation device brings egress interface information to the standby aggregation layer device along with the path, and specifically comprises the following steps:

7. The system according to claim 6, wherein the active aggregation device stores the egress interface information in a proxy circuit ID of a DHCP request packet and sends the egress interface information to the DHCP server, specifically comprising the steps of:

8. The system according to claim 5, wherein said active aggregation device receives a DHCP request packet from a base station, specifically comprising the steps of:

starting a DHCP relay function on the main aggregation equipment;