Method, device and equipment for establishing IPv4-in-IPv6 tunnel
An ipv4-in-ipv6, ipv6 address technology is applied in the field of establishing IPv4-in-IPv6 tunnels, which can solve the problems of cumbersome establishment of IPv4-in-IPv6 tunnels, and achieve the convenience of establishing IPv4-in-IPv6 tunnels and improve flexibility. Effect
Active Publication Date: 2021-07-13
CHINA ACADEMY OF INFORMATION & COMM
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[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related technologies: in the prior art, the establishment of an IPv4-in-IPv6 tunnel needs to manually obtain the IPv6 address of the starting point of the tunnel, and the establishment of an IPv4-in-IPv6 tunnel is relatively cumbersome
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[0016] In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.
[0017] The terms "first", "second" and the like in the description and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and are not necessarily used...
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The invention relates to the technical field of information communication, and discloses a method for establishing an IPv4-in-IPv6 tunnel, which comprises the following steps: after a router notification sent by a broadband access server (BRAS) is received, obtaining mark information in a preset field of the router notification; collecting an IPv6 address and a domain name server address of a wide region network (WAN) port according to the mark information; obtaining domain name information; the domain name information is used for representing an IPv6 address of an IPv4-in-IPv6 tunnel termination point; obtaining an AAAA record corresponding to the domain name information according to the domain name server address; determining the IPv6 address of the WAN port as a first IPv6 address; collecting a second IPv6 address according to the AAAA record; an IPv4-in-IPv6 tunnel is established according to the first IPv6 address and the second IPv6 address; the IPv6 address of the initial point of the IPv4-in-IPv6 tunnel is a first IPv6 address, and the IPv6 address of the terminal point of the IPv4-in-IPv6 tunnel is a second IPv6 address. According to the invention, the automatic establishment of the IPv4-in-IPv6 tunnel can be realized, so that the establishment of the IPv4-in-IPv6 tunnel is more convenient. The invention further discloses a device and equipment used for establishing the IPv4-in-IPv6 tunnel.
Description
technical field [0001] The present application relates to the field of information communication technologies, for example, to a method, device and equipment for establishing an IPv4-in-IPv6 tunnel. Background technique [0002] Currently, the global IPv4 addresses have been exhausted, and operators need to realize the transition from IPv4 to IPv6 as soon as possible. Among them, the transition technology includes dual-stack technology, tunnel technology, address translation technology and address translation technology. The lightweight dual-stack technology DS-Lite in the prior art is a tunneling technology, which enables broadband service providers to allow users to share IPv4 addresses by combining IPv4-in-IPv6 tunneling and network address translation (NAT) technology. Therefore, how to establish an IPv4-in-IPv6 tunnel is a matter of great concern. [0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the...
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IPC IPC(8): H04L29/12
CPCH04L61/2592H04L61/251H04L2101/659
Inventor 张宇华张雷赵锋李世刚贾兴宇高雷孙凌飞
Owner CHINA ACADEMY OF INFORMATION & COMM