H3C Technologies H3C S12500 Series Switches - Manual (Page 182)

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Configuring DHCPv6 server
Overview
Application environment
To simplify IPv6 address management and network configuration, you can configure a DHCPv6 server
to assign IPv6 addresses, IPv6 prefixes, and other configuration parameters to DHCPv6 clients.
Figure 70 Typical DHCPv6 server application for prefix assignment
As shown in Figure 70 , the DHCPv6 client obtains an IPv6 prefix from the server, and sends an RA
message containing the prefix information to the subnet where it resides, so that hosts on the subnet can
automatically configure their IPv6 addresses by using the prefix.
NOTE:
A device serving as a DHCPv6 server assigns DHCPv6 clients IPv6 prefixes, but not IPv6 addresses.
DHCPv6 address pool
A DHCPv6 address pool contains IPv6 addresses, IPv6 prefixes, and other configuration parameters that
the DHCPv6 server assigns to DHCPv6 clients.
A DHCPv6 address pool can contain the following items:
• Static IPv6 prefix—Statically bound to a DHCPv6 client and can only be assigned to the client.
• Prefix pool with a prefix range—The DHCPv6 server dynamically assigns an IPv6 prefix from the
prefix pool to a DHCPv6 client.
• Static IPv6 address—Statically bound to a DHCPv6 client and can only be assigned to the client.
• IPv6 subnet—The DHCPv6 server dynamically assigns an IPv6 address on the subnet to a DHCPv6
client.
• DNS server address.
• DHCPv6 client domain name.