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Inner-layer message matching method and device for tunnel message

A technology of tunneling packets and packets, which is applied in the field of communication, can solve problems such as failure to match normally, and achieve the effects of avoiding failure to match normally and reducing ACL resources

Active Publication Date: 2021-09-28
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, switch chips generally only support a certain length of UDF offset. For IPV6 (Internet Protocol Version 6, Internet Protocol Version 6) tunnel packets, the UDF offset supported by the chip exceeds the UDF offset, resulting in failure to match normally.

Method used

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  • Inner-layer message matching method and device for tunnel message
  • Inner-layer message matching method and device for tunnel message
  • Inner-layer message matching method and device for tunnel message

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art based on this application belong to the scope of protection of this application.

[0041] In order to solve the technical problem in the prior art that matching the inner layer message of the tunnel message needs to consume more ACL resources, the embodiment of the present application provides a method and device for matching the inner layer message of the tunnel message.

[0042] see figure 1 , figure 1 A schematic flow chart of the method for matching the inner layer message of the tunnel message provided by the embodiment of the present application, as shown in fig...

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Abstract

The embodiment of the invention provides an inner-layer message matching method and device for a tunnel message. The method comprises the following steps: acquiring a to-be-matched tunnel message; decapsulating the tunnel message to obtain an inner layer message of the tunnel message; identifying a target protocol identifier of the inner-layer message, and determining a target micro-segment group to which the target protocol identifier belongs based on pre-configured micro-segment configuration information, wherein the micro-segment configuration information comprises presenting micro-segment group grouping information of a plurality of protocol identifiers; matching an access control list (ACL) based on the target micro-segment group, the ACL including matching items for each micro-segment group and message processing actions corresponding to each matching item; and determining a matching item matched with the target micro-segment group, and executing a message processing action corresponding to the matching item. The ACL resources consumed for matching the inner layer message of the tunnel message are reduced.

Description

technical field [0001] The present application relates to the technical field of communication, in particular to a method and device for matching inner layer messages of tunnel messages. Background technique [0002] ACL (Access Control Lists, access control list) is a list of instructions applied to the router interface, which is used to instruct the router which data packets can be received and which data packets need to be rejected. [0003] A tunnel message refers to a technology that uses one network protocol to transmit another network protocol. The tunnel message usually includes an inner layer message and an outer layer tunnel encapsulation. [0004] For the tunnel network, the outgoing port of the tunnel needs to identify the protocol of the inner layer message of the tunnel message, such as OSPF (Open Shortest Path First, open shortest path first) protocol, DHCP (Dynamic Host Configuration Protocol, dynamic host configuration) protocol, etc. After identifying the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/911H04L29/06
CPCH04L12/4633H04L63/101H04L47/825H04L2212/00
Inventor 严进波李光袁锋
Owner NEW H3C SECURITY TECH CO LTD
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