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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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IPv6 Transition Technology Overview

IPv6 Transition Technology Overview

This section describes the background and functions of IPv6 Transition Technology.

During the transition from Internet Protocol version 4 (IPv4) networks to Internet Protocol version 6 (IPv6) networks, IPv6 transition technology achieves interconnection between IPv6 islands, between IPv4 islands, and between IPv6 networks and IPv4 networks.

IPv4 is the widely used Internet protocol. During initial stage of the Internet, IPv4 rapidly developed because of its simplicity, ease of implementation, and good interoperability. However, as the Internet rapidly develops, deficiency in IPv4 design becomes obvious. IPv6 is developed to overcome the deficiency of IPv4. IPv6 is incompatible with IPv4, for example, the IPv6 address format is different from the IPv4 address format, and the IPv6 packet format is different from the IPv4 packet format. Therefore, during the transition from an all-IPv4 network to an all-IPv6 network, IPv6 transition technology is required to achieve interconnection between IPv6 islands, between IPv4 islands, and between IPv6 networks and IPv4 networks.

Currently, IPv6 transition technology includes IPv4/IPv6 dual stack and IPv6 over IPv4 tunneling.

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Updated: 2019-08-09

Document ID: EDOC1000041694

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