DHCPv6 目录 实现 IETF标准 参考资料 外部链接 导航菜单编RFC 3315section 13IPv6 Intelligence: DHCPv6IPv6 Ready: DHCPv6编

IPv6IPv6地址IPv6报文IPv6 packet移动IPv6IPv4地址枯竭IPv6转换机制6in46to46over4ISATAPTeredoDHCPv6ICMPv6邻居发现协议安全邻居发现协议多播路由器发现Multicast Router DiscoveryIPv6中介的网站多宿主Site Multihoming by IPv6 Intermediation


IPv6应用层协议


IPv6主机IP地址网络协议无状态地址自动配置DNS邻居发现协议前缀代理









網際網路协议套組

應用層

  • BGP

  • DHCP

  • DNS

  • FTP

  • HTTP

  • IMAP

  • LDAP

  • MGCP（英语：Media Gateway Control Protocol）

  • NNTP

  • NTP

  • POP

  • ONC/RPC

  • RTP

  • RTSP

  • RIP

  • SIP

  • SMTP

  • SNMP

  • SSH

  • Telnet

  • TLS／SSL

  • XMPP

  • 更多...


傳輸層

  • TCP

  • UDP

  • DCCP

  • SCTP

  • RSVP

  • 更多...


網路層


  • IP
    • IPv4

    • IPv6


  • ICMP

  • ICMPv6

  • ECN

  • IGMP

  • OSPF

  • IPsec

  • 更多...


連結層（英语：Link layer）

  • ARP

  • NDP


  • Tunnels
    • L2TP

  • PPP


  • MAC
    • Ethernet

    • DSL

    • ISDN

    • FDDI


  • 更多...

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DHCPv6是一个用来配置工作在IPv6网络上的IPv6主机所需的IP地址、IP前缀和/或其他配置的网络协议。


IPv6主机可以使用无状态地址自动配置（SLAAC）或DHCPv6来获得IP地址。DHCP倾向于被用在需要集中管理主机的站点，而无状态自动配置不需要任何集中管理，因此后者更多地被用在典型家庭网络这样的场景下。


使用无状态自动配置的IPv6主机可能会需要除了IP地址以外的其他信息。DHCPv6可被用来获取这样的信息，哪怕这些信息对于配置IP地址毫无用处。配置DNS服务器无需使用DHCPv6，它们可以使用无状态自动配置所需的邻居发现协议来进行配置[1]。


IPv6路由器，如家庭路由器，必须在无需人工干预的情况下被自动配置。这样的路由器不仅需要一个IPv6地址用来与上游路由器通信，还需要一个IPv6前缀用来配置下游的设备。DHCPv6 前缀代理提供了配置此类路由器的机制。




目录





  • 1 实现

    • 1.1 端口号


    • 1.2 DHCP唯一标识符


    • 1.3 举例



  • 2 IETF标准


  • 3 参考资料


  • 4 外部链接




实现



端口号


DHCPv6客户端使用UDP端口号546，服务器使用端口号547。



DHCP唯一标识符


DHCP唯一标识符（DUID）用于客户端从DHCPv6服务器获得IP地址。最小长度为12个字节（96位），最大长度为20字节（160位）。实际长度取决于其类型。服务器将DUID与其数据库进行比较，并将配置数据（地址、租期、DNS服务器，等等）发送给客户端。DUID的前16位包含了DUID的三种类型之一。剩余的96位取决于DUID类型。



举例


本例中，服务器的链路本地地址是fe80::0011:22ff:fe33:5566，客户端的链路本地地址是fe80::aabb:ccff:fedd:eeff。


  • DHCPv6客户端从[fe80::aabb:ccff:fedd:eeff]:546发送Solicit至[ff02::1:2]:547。

  • DHCPv6服务器从[fe80::0011:22ff:fe33:5566]:547回应一个Advertise给[fe80::aabb:ccff:fedd:eeff]:546。

  • DHCPv6客户端从[fe80::aabb:ccff:fedd:eeff]:546回应一个Request给[ff02::1:2]:547。（依照RFC 3315的section 13，所有客户端消息都发送到多播地址)

  • DHCPv6服务器以[fe80::0011:22ff:fe33:5566]:547到[fe80::aabb:ccff:fedd:eeff]:546的Reply结束。


IETF标准



  • RFC 3315, "Dynamic Host Configuration Protocol for IPv6 (DHCPv6)"


  • RFC 3319, "Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers"


  • RFC 3633, "IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6"


  • RFC 3646, "DNS Configuration options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)"


  • RFC 3736, "Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6"


  • RFC 5007, "DHCPv6 Leasequery"


  • RFC 6221, "Lightweight DHCPv6 Relay Agent"


参考资料




  1. ^ RFC 4339, IPv6 Host Configuration of DNS Server Information Approaches, J. Jeong (February 2006)



外部链接



  • IPv6 Intelligence: DHCPv6, comparison of DHCPv6 packages and implementations (Last updated: April, 2009)


  • IPv6 Ready: DHCPv6, list of IPv6 Phase II Certified DHCPv6 implementations (Last updated: December, 2012)












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网际协议第6版

概述

  • IPv6

  • IPv6地址

  • IPv6报文（英语：IPv6 packet）

  • 移动IPv6

部署

  • IPv6部署

  • IPv6应用程序支持情况比较（英语：Comparison_of_IPv6_support_in_common_applications）

  • 操作系统支持IPv6情况比较（英语：Comparison of IPv6 support in operating systems）

  • 主要跨境提供商支持IPv6情况比较（英语：Comparison of IPv6 support by major transit providers）

  • IPv6隧道代理列表（英语：List of IPv6 tunnel brokers）

  • 世界IPv6日

IPv4转IPv6主题

  • IPv4地址枯竭

  • IPv6转换机制

  • 6in4

  • 6to4

  • 6over4

  • ISATAP

  • Teredo

IPv6转IPv4主题

  • DNS64（英语：DNS64）

  • NAT64

相关协议

  • DHCPv6


  • ICMPv6
    • 邻居发现协议

    • 安全邻居发现协议

    • 多播路由器发现（英语：Multicast Router Discovery）


  • IPv6中介的网站多宿主（英语：Site Multihoming by IPv6 Intermediation）


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