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Method and device for VPWS message to traverse three-layer IP network

An IP network and message technology, applied in the direction of network interconnection, data exchange network, data exchange through path configuration, etc., can solve problems such as poor network protocol forwarding capability and port inability to wire speed.

Inactive Publication Date: 2019-04-05
ANHUI WANTONG POSTS & TELECOMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] A method and equipment for VPWS message passing through the three-layer IP network proposed by the present invention can solve the technical problem that the forwarding ability of the existing network protocol is too poor and the port cannot be at a wire speed

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  • Method and device for VPWS message to traverse three-layer IP network
  • Method and device for VPWS message to traverse three-layer IP network
  • Method and device for VPWS message to traverse three-layer IP network

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0037] Such as figure 1 As shown, the method for the VPWS message in this embodiment to traverse the three-layer IP network includes:

[0038] When the user data packet enters the UNI entry of the VPWS network PE:

[0039] Step S100, the switch chip of the main control board performs the first processing, sequentially encapsulates the PW label, special VLAN, special source MAC and special purpose MAC on the outside of the packet, and sends the packet to the FPGA processing module of the interface board;

[0040] Step S200, the interface board FPGA...

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Abstract

The invention discloses a method and a device for a VPWS message to traverse a three-layer IP network. A control plane and a forwarding plane are included. A main control board multi-core CPU is takenas the core of the control plane, the multiple control plane protocols of a routing protocol, a LDP protocol, a GRE protocol and an ARP protocol are operated, and various table items including a routing table, an MPLS label table, a GRE session table, and an ARP table, which are required when the forwarding plane processes data, are generated. The forwarding plane is implemented by a main controlboard switching chip and an interface board FPGA. The main control board switch chip and the interface board FPGA are cooperated with each other to process a VPWS data packet. When an UNI interface receives the packet, the main control board switching chip is responsible for receiving the data packet, after corresponding processing, the data packet is sent to the interface board FPGA, and the FPGA packages and processes the data packet and then sends the data packet. When the NNI interface receives the packet, the interface board FPGA is responsible for receiving the data packet to carry outunpacking processing, and then the data packet is sent to the main control board switching chip, and the main control board switching chip processes the data packet and then sends the data packet out.The Wire-speed forwarding of VPWS over GRE can be realized and the forwarding performance of a device port is ensured.

Description

technical field [0001] The invention relates to the field of computer network data communication, in particular to a method and equipment for VPWS messages to traverse a three-layer IP network. Background technique [0002] VPWS (Virtual Private Wire Service), which refers to the infrastructure built on the mpls network, provides high-speed layer-2 transparent transmission between a pair of ports of two routers, and can transfer the original Ethernet packets of the local PE device Transparently transmitted to the remote PE device, it is a layer 2 VPN protocol. [0003] GRE (Generic Routing Encapsulation) is the general routing encapsulation protocol, which is the third layer tunneling protocol of VPN, that is, a technology called Tunnel (tunnel) is adopted between the protocol layers, and it is for some network layer protocols (such as IP, IPX, MPLS, etc.) datagrams are encapsulated so that these encapsulated datagrams can be transmitted in another network layer protocol (s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/723H04L12/741H04L12/911H04L29/12H04L12/46H04L45/50H04L45/74
CPCH04L45/50H04L45/745H04L47/825H04L61/103H04L61/2557H04L61/2592H04L12/4633H04L12/4641H04L2212/00
Inventor 魏立军
Owner ANHUI WANTONG POSTS & TELECOMM CO LTD
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