DHCPv6 options are codes that the 7210 SAS inserts in packets being forwarded from a DHCPv6 client to a DHCPv6 server. DHCPv6 supports interface ID and remote ID options, as described in RFC 3315, Dynamic Host Configuration Protocol for IPv6 (DHCPV6) and RFC 4649, DHCPv6 Relay Agent Remote-ID Option.