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LSP generating method and device

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

Active Publication Date: 2014-08-13
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

Method used

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  • LSP generating method and device

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Embodiment Construction

[0030] In view of the problems in the prior art, the embodiment of the present invention provides an LSP generation method, which is applied to 6PE devices in IPv6 islands connected to other IPv6 islands through an IPv4 network, that is, to connect multiple In the network of IPv6 islands, each IPv6 island contains 6PE equipment, and other equipment besides the 6PE equipment is network equipment. Among them, the IPv6 island is a 6to4 network or an IPv6 network; if the network equipment in the IPv6 island uses a 6to4 address, the IPv6 island is called a 6to4 network; if the network equipment in the IPv6 island uses an IPv6 address, the IPv6 island is called an IPv6 The internet. To figure 2 This is a schematic diagram of the application scenario of the embodiment of the present invention. R9 is the 6PE device in IPv6 island 1, R1, R7, and R10 are network devices in IPv6 island 1; R5 is the 6PE device in IPv6 island 2, and R6 is in IPv6 island 2. R2, R3, and R4 are network devic...

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Abstract

The invention discloses an LSP generating method and device. The method comprises the steps that a 6PE device is used for receiving LSP information, wherein the LSP information comprises a source address and a destination address; the 6PE device is used for determining tag information corresponding to the source address and sending routing information and the tag information which correspond to the source address to other 6PE devices; the 6PE device is used for selecting an optimal route corresponding to the destination address from 6PE neighborhood routes, applying tag information for the optimal route and generating a transmission LSP according to the tag information applied for the optimal route and the tag information corresponding to the optimal route in the 6PE neighborhood routes. The LSP can be dynamically generated, static LSP configuration is avoided, 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 method and equipment for generating LSP. Background technique [0002] Such as figure 1 As shown, it is a schematic diagram of the networking application of a 6to4 tunnel. The 6to4 tunnel is a point-to-multipoint automatic tunnel, which is mainly established on edge devices (such as figure 1 Between device A, device B and device C) in, it is used to connect multiple IPv6 islands through an IPv4 network, and the IPv6 island is a 6to4 network or an IPv6 network. Among them, if the device in the IPv6 island uses a 6to4 address, the IPv6 island is called a 6to4 network; if the device in the IPv6 island uses an IPv6 address, the IPv6 island is called an IPv6 network, and in an IPv6 network, the IPv6 island is called an IPv6 network. The subsequent device (ie, device C) forwards the packets arriving on the IPv6 network from the 6to4 tunnel. [0003] Among them, when the devi...

Claims

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Application Information

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IPC IPC(8): H04L12/723H04L45/50
Inventor 赵昌峰
Owner NEW H3C TECH CO LTD