RADIUS attribute from rfc6572
PMIP6-Home-DHCP6-Server-Address
The PMIP6-Home-DHCP6-Server-Address (Type value 159) is of type IPv6 address and contains the IPv6 address of the DHCPv6 server in the home network indicated by the HAAA to the MAG that serves the MN. The HAAA MAY assign a DHCPv6 server to the MAG in deployments where the MAG acts as a DHCP Relay, as defined in .0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Home DHCPv6 server address +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Home DHCPv6 server address +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Home DHCPv6 server address +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Home DHCPv6 server address +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Home DHCPv6 server address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Type: PMIP6-Home-DHCP6-Server-Address 159. Length: = 18 octets Home DHCPv6 server address: This field is of type Address and contains 16-octet IPv6 address of the DHCPv6 server.