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DNS zone suffix option for DHCPv6 ( draft-yan-dhc-dhcpv6-opt-dnszone-02.txt ) IETF 62 ( Minneapolis ). Yan Renxiang Alcatel Shanghai Bell. DNS zone suffix option. DNS zone suffix option provides a method to transfer zone suffix from DHCPv6 server to DHCPv6 client.
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DNS zone suffix option for DHCPv6(draft-yan-dhc-dhcpv6-opt-dnszone-02.txt)IETF 62 (Minneapolis) Yan Renxiang Alcatel Shanghai Bell
DNS zone suffix option • DNS zone suffix option provides a method to transfer zone suffix from DHCPv6 server to DHCPv6 client. • Used for both stateless DHCP server and stateful DHCPv6 server. 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | OPTION_DNS_Zone_suffix | option-length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | ~ DNS zone suffix ~ | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 2
Operation & Usage • Operation • DHCPv6 client sends a SOLICIT /REQUEST /INFORMATION REQUEST message to DHCPv6 server • DHCPv6 server sends REPLY message with DNS zone suffix option to DHCPv6 client. • Usage • In stateful DHCPv6, the option will be placed in the options field of IA_PD option in an outgoing DHCPv6 message. • In stateless DHCPv6, the option will be placed in the main option buffer of any DHCPv6 message sent to a client. 3
Modification from Ver01 • Clarify security problem • Zone suffix option is only used to transfer DNS zone suffix, no DNS update issue is mentioned in the draft. • Clarify usage • For both stateless DHCPv6 and stateful DHCPv6 • Correct Some typo errors 4
Questions ? • Accepted as WG Item ? 5