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Configuration Guide - IP Service

CloudEngine 8800, 7800, 6800, and 5800 V200R003C00

This document describes the configurations of IP Service, including IP address, ARP, DHCP, DNS, IP performance optimization, IPv6, DHCPv6, and IPv6 DNS.
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Overview of IPv6 Transition Technology

Overview 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: 2019-05-08

Document ID: EDOC1100004354

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