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Method and device for obtaining IPv6 (Internet Protocol version 6) interface identifier

An interface identification, consistent technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve the problem that MAC address conflict cannot be guaranteed, random numbers cannot be unique, etc., to achieve the effect of ensuring uniqueness

Inactive Publication Date: 2012-05-16
ZTE CORP
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  • Claims
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AI Technical Summary

Problems solved by technology

At present, the commonly used methods of generating IPV6 interface identification are: generating according to 48-bit MAC address, or generating according to random number. The method of generating IPV6 interface identification according to 48-bit MAC address has the advantages of easy viewing and easy positioning of IPV6 interface identification and network interface. The corresponding relationship, but the defect is that the MAC address of the hardware needs to be obtained, and the MAC address conflict cannot be guaranteed, especially for devices from the same manufacturer; the method of generating IPV6 interface identifiers based on random numbers needs to use random number algorithm to generate random numbers, and random Numbers cannot be completely unique

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  • Method and device for obtaining IPv6 (Internet Protocol version 6) interface identifier
  • Method and device for obtaining IPv6 (Internet Protocol version 6) interface identifier
  • Method and device for obtaining IPv6 (Internet Protocol version 6) interface identifier

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Embodiment Construction

[0032] The invention utilizes the unique magic word negotiated at the PPP link layer and applies it to the PPP network layer to avoid message interaction caused by repeated IPV6 interface identifiers, reduce link negotiation time, and improve message transmission performance.

[0033] figure 1 For the flow chart of the method for obtaining the IPV6 interface identification of the present invention, as figure 1 shown, including steps:

[0034] S10. After the point-to-point protocol channel is established, a magic word is negotiated through the link control protocol;

[0035] S20. During the network core protocol negotiation process, generate an IPV6 interface identifier according to the magic word.

[0036] Specifically, in the link control protocol negotiation process, it is judged whether the magic word carried in the received configuration request message is consistent with the magic word received last time, and if it is consistent, a magic word different from the received...

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Abstract

The invention provides a method and a device for obtaining an IPv6 (Internet Protocol version 6) interface identifier. The method comprises the following step: in the negotiation process of a network core protocol, generating the IPv6 interface identifier according to a magic number. According to the invention, message interaction caused by IPv6 interface identifier repetition can be avoided.

Description

technical field [0001] The invention relates to utilizing the ability of the home gateway equipment to access the PPP network and the ability to support IPV6 negotiation, and provides a method and device for obtaining the IPV6 interface identifier based on the PPP link. Background technique [0002] PPP (Point to Point Protocol, point-to-point protocol) protocol is a data link layer protocol that provides encapsulation and transmission of network layer data packets on point-to-point links. PPP is a layered structure (physical layer, link layer, Network layer), in the link layer (LCP (Link Control Protocol, Link Control Protocol)) negotiation phase, link-related parameters will be negotiated, including the magic word (magic number) negotiated to prevent loops, and in the network layer, it is necessary to negotiate the unique IPV6 interface identifier on the link. At present, the commonly used methods of generating IPV6 interface identification are: generating according to 48...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04L12/56H04L45/741
CPCH04L61/2046H04L61/5046
Inventor 孙亚权
Owner ZTE CORP
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