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Method and device for forwarding path detection message

A technology for packet forwarding and path detection, applied in the field of communications, which can solve problems such as multiple CPU resources and affecting other business processing.

Active Publication Date: 2022-07-12
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the limitation of the above method is that it needs to rely on the processor CPU of the network device to process the packets by software. The BFD configuration accuracy is relatively high, and processing a large number of BFD packets takes up more CPU resources and affects other business processing.

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  • Method and device for forwarding path detection message
  • Method and device for forwarding path detection message
  • Method and device for forwarding path detection message

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Embodiment Construction

[0011] The detailed description will be given with a number of examples shown in the various figures. In the following detailed description, numerous specific details are provided to provide a thorough understanding of the present application. Well-known methods, procedures, components, and circuits have not been described in detail in the examples so as not to obscure the understanding of the examples.

[0012] In the terms used, the term "including" means including but not limited to; the term "containing" means including but not limited to; the terms "above", "within" and "below" include this number; the terms "greater than" and "less than" mean not Include this number. The term "based on" means based on at least a portion thereof.

[0013] The detailed description will be given with a number of examples shown in the various figures. In the following detailed description, numerous specific details are provided to provide a thorough understanding of the present applicatio...

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PUM

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Abstract

This specification provides a method and device for forwarding a path detection message. The method includes: identifying each bidirectional forwarding detection message to be forwarded sent to a detection peer device; Select a VXLAN tunnel from multiple virtual extensible local area network VXLAN tunnels of the peer device; encapsulate each bidirectional forwarding detection packet to be forwarded into a VXLAN encapsulated bidirectional forwarding detection packet according to the selected VXLAN tunnel; pass each selected VXLAN tunnel The tunnel sends VXLAN encapsulated bidirectional forwarding detection packets to the detection peer device.

Description

technical field [0001] The present application relates to communication technologies, and in particular, to a method and device for forwarding a path detection message. Background technique [0002] BFD (Bidirectional Forwarding Detection, Bidirectional Forwarding Detection) is a general, standardized, medium-independent and protocol-independent fast fault detection mechanism, which is used to detect the connectivity of forwarding paths and ensure that communication failures can be quickly detected between devices. [0003] In the data center networking, the following networking scenarios exist. If the forwarding link of the underlay network corresponding to the hash value calculated according to the BFD packet fails, the BFD session may fail. [0004] However, the underlay network of VXLAN (Virtual Extended Local Area Network) is an IP network that often has multiple equivalent links. In order to pass BFD packets through the multiple equivalent links of the VXLAN network un...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/28H04L43/0811H04L12/46
CPCH04L45/28H04L43/0811H04L12/4633H04L12/4641
Inventor 杨扬
Owner NEW H3C TECH CO LTD