3.3.2 DHCPv6 Server

Dynamic DNS updates are governed by the following DNS settings on the DHCPv6 server.<91> The DHCP_OPTION_DATA_TYPE (section 2.2.1.1.10) for this option is DhcpDWordOption, that is the option value is of type DWORD.

Option Identifier

Protocol

39

DHCPv6

The option value is a bitmask defined as follows:

BITMASK VALUE

MEANING

0x01

This flag enables Dynamic DNS updates by the DHCPv6 server.

0x04

This flag enables the DHCPv6 Server to dynamically discard AAAA and PTR records when the lease is deleted.

0x10

This flag enables the DHCPv6 server to dynamically update both AAAA and PTR records.

0x20

This flag enables Name Protection by the DHCPv6 Server.<92>