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Data packet unvarnished transmission method in routing mode, system medium and equipment

A data packet and pattern technology, applied in the field of computer networks, can solve the problem of incompatibility of IPV4 and IPV6 data packets

Active Publication Date: 2021-01-29
SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the present invention is to provide a method, system medium and equipment for transparent transmission of data packets in routing mode, which can solve the problem of incompatibility of IPV4 and IPV6 data packets in the routing mode of the firewall, and satisfy the needs of those who want to pass through the firewall. Requirements for the application scenario of accessing an IPV6 server

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  • Data packet unvarnished transmission method in routing mode, system medium and equipment
  • Data packet unvarnished transmission method in routing mode, system medium and equipment
  • Data packet unvarnished transmission method in routing mode, system medium and equipment

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Embodiment Construction

[0029] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0030] see Figure 1 to Figure 7 , the embodiment of the present invention includes:

[0031] See figure 1 , a method for transparently transmitting data packets in routing mode, comprising:

[0032] Create a through interface, and limit the number of interfaces according to the interface resources;

[0033] Add a Layer 3 interface to the through interface;

[0034] Determine whether the data packet entry in the layer-3 interface is in the passing interface, if so, analyze the data packet, otherwise, discard the data packet;

[0035] Obtain the data packet exit in the layer-3 interface of the passing interface; if the number of layer-3 interf...

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Abstract

The invention discloses a data packet unvarnished transmission method in a routing mode, a system medium and equipment, and the method comprises the steps: building a through interface, and limiting the number of interfaces according to interface resources; adding three layers of interfaces into the through interface; judging whether a data packet inlet in the three-layer interface passes throughthe interface or not, if so, analyzing the data packet, and otherwise, discarding the data packet; acquiring a data packet outlet passing through three layers of interfaces in the interfaces; and if the number of the three-layer interfaces passing through the interface is equal to 2, taking the other three-layer interface except the data packet inlet in the three-layer interfaces as a data packetoutlet, and if the number of the three-layer interfaces passing through the interface is greater than 2, learning and querying a table according to a table learning and querying rule in the passing-through interface. By means of the mode, the problem that IPV4 and IPV6 data packets are incompatible when a firewall is in a routing mode can be solved, and the requirement for accessing an applicationscene of an IPV6 server through the firewall is met.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to a method, system medium and equipment for transparent transmission of data packets in routing mode. Background technique [0002] With the continuous increase in the number of Internet access terminals, the number of IPV4 addresses is close to exhaustion, and IPV6, as the next-generation IP protocol to replace IPV4, its 128-bit address length will enable every grain of sand on the earth to have an IP address, so IPV6 will eventually replace IPV4. However, since there are still many websites using IPv4, there are more and more situations where both IPv6 and IPv4 communication methods coexist on the same network using IPv4 over IPv6 technology. The existing method splits and reassembles the data packets in the IPV6 network into IPV4 data packets conforming to the IPV4 specification. Although the effect of transparently transmitting the IPV6 data packets in the IPV4 netwo...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/12H04L12/749H04L45/741
CPCH04L63/029H04L45/741H04L61/251Y02D30/50
Inventor 王勇
Owner SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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