NAT processing method and device under distributed multi-board shunting and electronic equipment

A processing method and a technology of a processing device, applied in the field of network communication, can solve problems such as the inability to realize the joint processing of forward and reverse message data, and the inability to verify the integrity of message connection, etc., and achieve the effect of flexible NAT policy configuration

Pending Publication Date: 2021-04-13
BEIJING TOPSEC NETWORK SECURITY TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] If the forward and reverse packets are distributed to different service boards, the connection integrity of the packets cannot be verified, and the function that requires the joint processing of forward and reverse packet data cannot be realized.

Method used

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  • NAT processing method and device under distributed multi-board shunting and electronic equipment
  • NAT processing method and device under distributed multi-board shunting and electronic equipment
  • NAT processing method and device under distributed multi-board shunting and electronic equipment

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Embodiment Construction

[0064] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0065] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.

[0066] figure 2 A schematic structural diagram of a network device of a distributed processing architecture provided by an embodiment of the present disclosure. see figure 2 , the network equipment (for example: routers, switches, and firewalls, etc.) of the distributed processing architectu...

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Abstract

The invention relates to an NAT processing method and device under distributed multi-board shunting and electronic equipment. The method comprises a forward message sending method and a reverse message sending method. The forward message sending method comprises the following steps: enabling a first service board to acquire a forward message; if the forward message hits the NAT strategy, converting the forward message; if the reverse message corresponding to the forward message is allocated to a second service board different from the first service board, transferring the forward message to the second service board; newly establishing a redirection list corresponding to the IP address of the reverse message on a second service board, and then sending out the forward message. The reverse message sending method comprises the following steps: enabling a second service board to acquire a reverse message; if the second service board has a redirection list corresponding to the reverse message IP address, transferring the reverse message to the first service board based on the redirection list; and enabling the first service board to send the reverse message out, so that the connection integrity check of the message can be realized, and meanwhile, the adverse phenomenon of packet loss of the reverse message is avoided.

Description

technical field [0001] The present disclosure relates to the technical field of network communication, and in particular to a NAT processing method, device and electronic equipment under distributed multi-board splitting. Background technique [0002] With the development of network technology and the continuous improvement of the function and performance requirements of network equipment, network equipment with distributed processing architecture emerges as the times require. The network equipment of the distributed processing architecture includes multiple service boards. These service boards jointly provide data processing functions, and the interface distributes the received packets to each service board, so as to realize load sharing between multiple service boards, which is the advantage of distributed multi-board distribution. [0003] After the packets are divided into different service boards, they will perform address translation or address and port translation ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/163H04L29/12
CPCG06F15/163H04L61/2557
Inventor 王铭圣
Owner BEIJING TOPSEC NETWORK SECURITY TECH
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