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A label management method and device

A label management and label technology, applied in the communication field, can solve the problems of heavy configuration workload, static LSP failure, and heavy workload, and achieve the effect of reducing the configuration workload and simplifying the creation process.

Active Publication Date: 2019-09-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Establishing a static LSP consumes less resources, but requires manual configuration on each relevant network device, and the configuration workload is relatively large
Moreover, after the configuration is complete, if the topology of the MPLS network changes, the static LSP will become invalid. It is necessary to delete the static LSP and manually re-establish the static LSP, which requires a lot of work.

Method used

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  • A label management method and device
  • A label management method and device
  • A label management method and device

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Embodiment Construction

[0021] The terminology used in the present invention is for the purpose of describing specific embodiments only, not limiting the present invention. As used herein and in the claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0022] It should be understood that although the terms first, second, third, etc. may be used in the present invention to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present invention, first information may also be called second information, and similarly, second information may also be called first information. Dep...

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Abstract

The present invention provides a label management method and device, the method comprising: if the network device is an ingress device, receiving a configuration command, and generating a first link state protocol request message, the first link state protocol request message Carrying first FEC information; sending the first link state protocol request message to the first downstream network device on the static label switching path; receiving the first link state protocol response message returned by the first downstream network device , the first link state protocol response message carries the first FEC information and the first label applied for by the first downstream network device for the first FEC information; determining the first label as an outgoing label, and delivered to the label forwarding entry corresponding to the first FEC information. Through the technical scheme of the invention, manual configuration is not required on each network device, the process of creating a static LSP is simplified, and the workload of configuration is reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a tag management method and device. Background technique [0002] MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) is a protocol proposed to improve the forwarding speed of routers. In the MPLS network, instead of relying on the label distribution protocol, the ingress label is manually assigned on each hop network device (including the ingress (Ingress) device, the transmission (Transit) device, and the egress (Egress) device, etc.) , label and other information, and create a label forwarding entry. The LSP (Label Switched Path, Label Switched Path) established manually in this way is called a static LSP. [0003] Establishing a static LSP consumes less resources, but requires manual configuration on each relevant network device, and the configuration workload is relatively large. Moreover, after the configuration is complete, if the topolo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L45/50
CPCH04L45/50H04L45/507
Inventor 吴剑平
Owner NEW H3C TECH CO LTD