ICS 33.040.40 M32 中 华 人 民 共 和 国 通 信 行 业 标 准 YD YD/T ××× × —××× × 以太网接入方式下源地址验证技术 要求 DHCPv4场景 Technical requirements of ethernet source address validation improvement for DHCPv4 （报批稿） ×××× -×× -××发布 ×××× -×× - ××实施 中华人民共和国工业和信息化部 发布 YD/T ×× ×× —× ×× × i 目 次 前 言 ................................ ................................ ................................ ................................ ............................. IV 1 范围 ................................ ................................ ................................ ................................ ................................ .. 1 2 规范性引用文件 ................................ ................................ ................................ ................................ ............... 1 3 术语、定义和缩略语 ................................ ................................ ................................ ................................ ........ 2 3.1 术语和定义 ................................ ................................ ................................ ................................ ........................ 2 3.2 缩略语 ................................ ................................ ................................ ................................ ................................ 6 4 概述 ................................ ................................ ................................ ................................ ................................ .. 7 5 部署场景和配置 ................................ ................................ ................................ ................................ ............... 8 5.1 元素和场景 ................................ ................................ ................................ ................................ ....................... 8 5.2 SAVI绑定类型属性 ................................ ................................ ................................ ................................ ........ 10 5.2.1 信任属性 ................................ ................................ ................................ ................................ ................ 10 5.2.2 DHCP 信任属性 ................................ ................................ ................................ ................................ ....... 10 5.2.3 DHCP -Snooping 属性 ................................ ................................ ................................ ............................. 10 5.2.4 Data -Snooping 属性 ................................ ................................ ................................ ............................. 11 5.2.5 验证属性 ................................ ................................ ................................ ................................ ................ 11 5.2.6 属性互斥情况 ................................ ................................ ................................ ................................ ........ 12 5.3 范围 ................................ ................................ ................................ ................................ ................................ . 12 5.3.1 SAVI -DHCP范围概述 ................................ ................................ ................................ ............................. 12 5.3.2 SAVI -DHCP范围配置指南 ................................ ................................ ................................ ..................... 13 5.3.3 关于DHCP服务器和中继的位置 ................................ ................................ ................................ .......... 13 5.3.4 可选部署方案 ................................ ................................ ................................ ................................ ........ 14 5.3.5 关于绑定锚的考虑 ................................ ................................ ................................ ................................ 15 5.4 设备的其他配 置 ................................ ................................ ........................