METHOD FOR OBTAINING IP ADDRESS OF DYNAMIC HOST CONFIGURATION PROTOCOL VERSION 6 SERVER, DYNAMIC HOST CONFIGURATION PROTOCOL VERSION 6 SERVER AND DYNAMIC HOST CONFIGURATION PROTOCOL VERSION 6 COMMUNICATION SYSTEM

摘要

The present invention relates to the communication field, especially relates to a method for obtaining the IP address of a Dynamic Host Configuration Protocol version 6 (DHCPv6) server, a DHCPv6 server and a DHCPv6 communication system. The method is used in the scene of communicating via a DHCPv6 relay agent, and includes: the DHCPv6 server receives a message of a DHCPv6 client forwarded by the DHCPv6 relay agent; the DHCPv6 server sends a response message to the DHCPv6 client via the DHCPv6 relay agent, the payload part of the response message carries the IP address of the DHCPv6 server, and it makes the DHCPv6 client obtain the IP address of the DHCPv6 server from the response message.