Network Working Group V. Kalusivalingam
Request for Comments: 3898 Cisco Systems (India) Private Limited
Category: Standards Track October 2004
Network Working Group V. Kalusivalingam
Request for Comments: 3898 Cisco Systems (India) Private Limited
Category: Standards Track October 2004
Network Information Service (NIS) Configuration Options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
IPv6动态主机配置协议（DHCPv6）的网络信息服务（NIS）配置选项
Status of this Memo
本备忘录的状况
This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.
本文件规定了互联网社区的互联网标准跟踪协议，并要求进行讨论和提出改进建议。有关本协议的标准化状态和状态，请参考当前版本的“互联网官方协议标准”（STD 1）。本备忘录的分发不受限制。
Copyright Notice
版权公告
Copyright (C) The Internet Society (2004).
版权所有（C）互联网协会（2004年）。
Abstract
摘要
This document describes four options for Network Information Service (NIS) related configuration information in Dynamic Host Configuration Protocol for IPv6 (DHCPv6): NIS Servers, NIS+ Servers, NIS Client Domain Name, NIS+ Client Domain name.
本文档介绍了IPv6动态主机配置协议（DHCPv6）中与网络信息服务（NIS）相关的配置信息的四个选项：NIS服务器、NIS+服务器、NIS客户端域名、NIS+客户端域名。
This document describes four options for passing configuration information related to Network Information Service (NIS) [3] in DHCPv6 (RFC 3315 [1]).
本文档描述了在DHCPv6（RFC 3315[1]）中传递与网络信息服务（NIS）[3]相关的配置信息的四个选项。
The options defined in this document can only be used to configure information about NIS servers that can be reached using IPv6. The DHCP option to configure information about IPv4 NIS servers can be found in RFC 2132 [4]. Mechanisms for configuring IPv4/IPv6 dual-stack applications are being considered, but are not specified in this document.
本文档中定义的选项只能用于配置有关使用IPv6可以访问的NIS服务器的信息。配置IPv4 NIS服务器信息的DHCP选项可在RFC 2132[4]中找到。正在考虑配置IPv4/IPv6双栈应用程序的机制，但本文档中未指定。
The key words MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD, SHOULD NOT, RECOMMENDED, MAY, and OPTIONAL in this document are to be interpreted as described in BCP 14, RFC 2119 [2].
本文件中的关键词必须、不得、要求、应、不应、应、不应、建议、可和可选应按照BCP 14、RFC 2119[2]中的描述进行解释。
Throughout this document, unless otherwise specified, the acronym DHCP refers to DHCP as specified in RFC 3315.
在本文件中，除非另有规定，否则首字母缩写DHCP指RFC 3315中规定的DHCP。
This document uses terminology specific to IPv6 and DHCP as defined in section "Terminology" of RFC 3315.
本文档使用RFC 3315“术语”一节中定义的IPv6和DHCP专用术语。
The Network Information Service (NIS) Servers option provides a list of one or more IPv6 addresses of NIS servers available to the client. Clients MUST treat the list of NIS servers as an ordered list. The server MAY list the NIS servers in the order of preference.
网络信息服务（NIS）服务器选项提供客户端可用的NIS服务器的一个或多个IPv6地址列表。客户端必须将NIS服务器列表视为有序列表。服务器可以按照首选顺序列出NIS服务器。
The format of the Network Information Service Servers option is as shown below:
网络信息服务服务器选项的格式如下所示：
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_NIS_SERVERS | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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_NIS_SERVERS | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
option-code: OPTION_NIS_SERVERS (27)
选项代码：选项NIS服务器（27）
option-len: Length of the 'NIS server' fields in octets; It must be a multiple of 16
选项len：“NIS服务器”字段的长度（以八位字节为单位）；它必须是16的倍数
NIS server: IPv6 address of NIS server
NIS服务器：NIS服务器的IPv6地址
The Network Information Service V2 (NIS+) Servers option provides a list of one or more IPv6 addresses of NIS+ servers available to the client. Clients MUST treat the list of NIS+ servers as an ordered list. The server MAY list the NIS+ servers in the order of preference.
网络信息服务V2（NIS+）服务器选项提供了客户端可用的NIS+服务器的一个或多个IPv6地址列表。客户端必须将NIS+服务器列表视为有序列表。服务器可以按照首选顺序列出NIS+服务器。
The format of the Network Information Service V2 (NIS+) Servers option is as shown below:
网络信息服务V2（NIS+）服务器选项的格式如下所示：
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_NISP_SERVERS | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS+ server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS+ server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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_NISP_SERVERS | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS+ server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
| NIS+ server (IPv6 address) |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
option-code: OPTION_NISP_SERVERS (28)
选项代码：选项NISP服务器（28）
option-len: Length of the 'NIS+ server' fields in octets; It must be a multiple of 16
选项len：“NIS+服务器”字段的长度（以八位字节为单位）；它必须是16的倍数
NIS+ server: IPv6 address of NIS+ server
NIS+ server: IPv6 address of NIS+ server
The Network Information Service (NIS) Domain Name option is used by the server to convey client's NIS Domain Name info to the client.
服务器使用网络信息服务（NIS）域名选项将客户端的NIS域名信息传递给客户端。
The format of the NIS Domain Name option is as shown below:
NIS域名选项的格式如下所示：
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_NIS_DOMAIN_NAME | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| nis-domain-name |
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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_NIS_DOMAIN_NAME | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| nis-domain-name |
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
option-code: OPTION_NIS_DOMAIN_NAME (29)
选项代码：选项名称（29）
option-len: Length of the 'nis-domain-name' field in octets
选项len：“nis域名”字段的长度（以八位字节为单位）
nis-domain-name: NIS Domain name for client
nis域名：客户端的nis域名
The 'nis-domain-name' MUST be encoded as specified in section "Representation and Use of domain names" of the DHCPv6 specification [1].
“nis域名”必须按照DHCPv6规范[1]中“域名的表示和使用”部分的规定进行编码。
The Network Information Service V2 (NIS+) Domain Name option is used by the server to convey client's NIS+ Domain Name info to the client.
服务器使用网络信息服务V2（NIS+）域名选项将客户端的NIS+域名信息传送给客户端。
The format of the NIS+ Domain Name option is as shown below:
NIS+域名选项的格式如下所示：
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_NISP_DOMAIN_NAME | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| nisp-domain-name |
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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_NISP_DOMAIN_NAME | option-len |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| nisp-domain-name |
| ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
option-code: OPTION_NISP_DOMAIN_NAME (30)
选项代码：选项NISP域名（30）
option-len: Length of the 'nisp-domain-name' field in octets
选项len：“nisp域名”字段的长度（以八位字节为单位）
nisp-domain-name: NIS+ Domain name for client
nisp域名：NIS+客户端域名
The 'nisp-domain-name' MUST be encoded as specified in section "Representation and Use of domain names" of the DHCPv6 specification [1].
“nisp域名”必须按照DHCPv6规范[1]中“域名的表示和使用”一节的规定进行编码。
The NIS servers, NIS+ servers, NIS domain name and NIS+ domain name options MUST NOT appear in other than the following messages: Solicit, Advertise, Request, Renew, Rebind, Information-Request and Reply.
除以下消息外，NIS服务器、NIS+服务器、NIS域名和NIS+域名选项不得出现在其他消息中：请求、播发、请求、续订、重新绑定、信息请求和回复。
The option number for these options MAY appear in the Option Request Option [1] in the following messages: Solicit, Request, Renew, Rebind, Information-Request and Reconfigure.
这些选项的选项号可能出现在以下消息的选项请求选项[1]中：请求、请求、续订、重新绑定、信息请求和重新配置。
The NIS servers, NIS+ servers, NIS domain name and NIS+ domain name options may be used by an intruder DHCPv6 server to assign invalid NIS parameters, resulting in clients unable to use NIS service.
入侵者DHCPv6服务器可能会使用NIS服务器、NIS+服务器、NIS域名和NIS+域名选项来分配无效的NIS参数，从而导致客户端无法使用NIS服务。
The NIS servers and NIS+ servers options may be used by an intruder DHCPv6 server to cause the DHCPv6 clients to send their queries to an intruder NIS/NIS+ server. This misdirected searches may be used to spoof NIS/NIS+ names.
入侵者DHCPv6服务器可能会使用NIS服务器和NIS+服务器选项，使DHCPv6客户端将其查询发送到入侵者NIS/NIS+服务器。这种定向错误的搜索可能用于欺骗NIS/NIS+名称。
The NIS domain name and NIS+ domain name options may be used by an intruder DHCPv6 server to cause the DHCPv6 clients to search through invalid domains for incompletely specified domain names. The results of these misdirected searches may be used to spoof NIS/NIS+ names.
入侵者DHCPv6服务器可能会使用NIS域名和NIS+域名选项，使DHCPv6客户端在无效域中搜索未完全指定的域名。这些定向错误的搜索结果可能被用来伪造NIS/NIS+名称。
To avoid attacks through these options, the DHCPv6 client SHOULD use authenticated DHCP (see section "Authentication of DHCP messages" in the DHCPv6 specification [1]).
为了避免通过这些选项进行攻击，DHCPv6客户端应使用经过身份验证的DHCP（请参阅DHCPv6规范[1]中的“DHCP消息的身份验证”一节）。
The IANA has assigned option codes to the following options from the option-code space defined in "DHCPv6 Options" section of the DHCPv6 specification [1].
IANA已从DHCPv6规范[1]的“DHCPv6选项”部分中定义的选项代码空间将选项代码分配给以下选项。
Option Name Value Described in OPTION_NIS_SERVERS 27 Section 3 OPTION_NISP_SERVERS 28 Section 4 OPTION_NIS_DOMAIN_NAME 29 Section 5 OPTION_NISP_DOMAIN_NAME 30 Section 6
选项名称值见选项名称服务器27第3节选项名称服务器28第4节选项名称域名29第5节选项名称域名30第6节
[1] Droms, R., Ed., Bound, J., Volz, B., Lemon, T., Perkins, C., and M. Carney, "Dynamic Host Configuration Protocol for IPv6 (DHCPv6)", RFC 3315, July 2003.
[1] Droms，R.，Ed.，Bound，J.，Volz，B.，Lemon，T.，Perkins，C.，和M.Carney，“IPv6的动态主机配置协议（DHCPv6）”，RFC3315，2003年7月。
[2] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997.
[2] Bradner，S.，“RFC中用于表示需求水平的关键词”，BCP 14，RFC 2119，1997年3月。
[3] Sun Microsystems, "System and Network Administration", March 1990.
[3] Sun Microsystems，“系统和网络管理”，1990年3月。
[4] Alexander, S. and R. Droms, "DHCP Options and BOOTP Vendor Extensions", RFC 2132, March 1997.
[4] Alexander，S.和R.Droms，“DHCP选项和BOOTP供应商扩展”，RFC 21321997年3月。
Acknowledgements
致谢
Thanks to the DHC Working Group for their time and input into the specification. In particular, thanks to (in alphabetical order) Bernie Volz, Jim Bound, Margaret Wasserman, Pekka Savola, Ralph Droms, and Thomas Narten for their thorough review.
感谢DHC工作组的时间和对规范的投入。特别要感谢（按字母顺序排列）伯尼·沃尔兹、吉姆·邦德、玛格丽特·沃瑟曼、佩卡·萨沃拉、拉尔夫·德罗姆斯和托马斯·纳滕的全面审查。
Author's Address
作者地址
Vijayabhaskar A Kalusivalingam Cisco Systems (India) Private Limited, No: 9, Brunton Road, Bangalore - 560025 India
Vijayabhaskar A Kalusialingam思科系统（印度）私人有限公司，地址：印度班加罗尔布伦顿路9号-560025
Phone: +91-80-51036615
EMail: vibhaska@cisco.com
Phone: +91-80-51036615
EMail: vibhaska@cisco.com
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完整版权声明
Copyright (C) The Internet Society (2004).
版权所有（C）互联网协会（2004年）。
This document is subject to the rights, licenses and restrictions contained in BCP 78, and except as set forth therein, the authors retain all their rights.
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确认
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