D-Link DGS-6600-48TS Configuration Guide - Page 506
DHCPv6 Client Configuration, Overview, An Introduction to the DHCPv6 Client, Operation
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Volume 9-Network Application / Chapter 51-DHCPv6 Client Configuration Chapter Overview Chapter 51 DHCPv6 Client Configuration Chapter Overview The following topics are included in this chapter, please go to the topic for more detailed information: • Chapter Overview • An Introduction to the DHCPv6 Client • Operation concept • Protocol and Addressing • Prefix Delegation • Address Information Refresh • DHCPv6 Configurations Commands • Enabling the IPv6 DHCP client function • Configuring a DHCPv6 Client minimum refresh time • Configuring an IPv6 address based on an IPv6 general prefix • Showing an ipv6 general prefix • Showing ipv6 dhcp configurations • Default Settings • Restriction/Limitation An Introduction to the DHCPv6 Client Dynamic Host Configuration Protocol for IPv6 (DHCPv6) is designed to provide dynamic IPv6 addressing and other information configurations. Although the IPv6's stateless address auto configuration removes the primary motivation for DHCP in IPv4, DHCPv6 can still be used to assign addresses if the network administrator desires more control over addressing. DHCPv6 can also be used to distribute information which is not otherwise discoverable; for example the DNS server. Although, DNS addresses can also be sent through the Neighbor Discovery Protocol. DHCPv6 is a client/server protocol. DHCPv6 client can provide a device with an address and other configuration information assigned by a DHCPv6 server. The DHCPv6 client is a node that initiates requests on a link to obtain configuration parameters from one or more DHCPv6 servers. Operation concept What follows is an example of how A DHCPv6 client (abbreviate to "client" below) requests an address in a client-server exchange involving four messages. To request the assignment of one or more IPv6 address the client first locates a DHCPv6 server (abbreviate to "server" below) and then requests the assignment of addresses and other configuration information from the server. The client sends a Solicit message to the ALL_DHCP_Relay_Agents_and_Servers address (i.e. FF02::1:2) to find any available servers. Any server that meets the client's requirements responds with an advertise message. The client then chooses one of the servers and sends a request message to the server asking for a confirmed DGS-6600 Configuration Guide 506
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