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A kind of LSP generation method and equipment

A technology for equipment and network equipment, applied in the field of communications, can solve the problems of heavy LSP configuration workload and configuration errors, and achieve the effect of avoiding static LSP configuration and reducing configuration workload.

Active Publication Date: 2017-11-28
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] If you need to deploy MPLS (Multiprotocol Label Switching, Multi-Protocol Label Switching) services on IPv6 islands, you need to statically configure LSPs (Label Switched Paths, Label Switching Paths) at both ends of the 6to4 tunnel, resulting in a large workload for LSP configuration, and configuration errors, etc.

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  • A kind of LSP generation method and equipment
  • A kind of LSP generation method and equipment
  • A kind of LSP generation method and equipment

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Embodiment Construction

[0030] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a method for generating an LSP, which is applied to 6PE equipment in an IPv6 isolated island connected to other IPv6 isolated islands through an IPv4 network, that is, it is applied to connect multiple LSPs through an IPv4 network. In the network of IPv6 islands, each IPv6 island includes 6PE equipment, and other equipment other than the 6PE equipment are network equipment. Wherein, the IPv6 island is a 6to4 network or an IPv6 network; if the network devices in the IPv6 island use 6to4 addresses, the IPv6 island is called a 6to4 network; if the network devices in the IPv6 island use IPv6 addresses, the IPv6 island is called IPv6 The internet. by figure 2It is a schematic diagram of the application scenario of the embodiment of the present invention, R9 is the 6PE equipment in the IPv6 island 1, R1, R7 and R10 are the network equipment in the IPv6 island 1; R5 is the 6PE ...

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Abstract

The present invention discloses a method and device for generating an LSP. The method includes: 6PE equipment receiving LSP information, the LSP information including a source address and a destination address; the 6PE equipment determining the label information corresponding to the source address, and The routing information and label information corresponding to the source address are sent to other 6PE devices; the 6PE device selects the optimal route corresponding to the destination address from the 6PE neighbor routes, applies for label information for the optimal route, and uses The label information applied for by the optimal route and the label information corresponding to the optimal route in the 6PE neighbor route generate a transport LSP. In the embodiment of the present invention, LSPs can be dynamically generated, avoiding static configuration of LSPs, and reducing configuration workload.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a method and device for generating an LSP. Background technique [0002] Such as figure 1 As shown, it is a schematic diagram of the networking application of the 6to4 tunnel. The 6to4 tunnel is a point-to-multipoint automatic tunnel, which is mainly established on the edge device (such as figure 1 Between the device A, device B and device C) in the device, it is used to connect multiple IPv6 islands through the IPv4 network, and the IPv6 island is a 6to4 network or an IPv6 network. Among them, if the equipment in the IPv6 island uses 6to4 addresses, the IPv6 island is called a 6to4 network; if the equipment in the IPv6 island uses IPv6 addresses, the IPv6 island is called an IPv6 network, and in the IPv6 network, it needs to be controlled by the 6to4 network. The relay device (that is, device C) forwards the message from the 6to4 tunnel to the IPv6 network. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L45/50
Inventor 赵昌峰
Owner NEW H3C TECH CO LTD