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目 录
1 ARP 攻击防御 ······································································································································· 1-1
1.1 ARP 攻击防御简介 ···························································································································· 1-1
1.2 ARP 攻击防御配置任务简介 ·············································································································· 1-1
1.3 配置 ARP 防止 IP 报文攻击功能 ········································································································ 1-1
1.3.1 功能简介 ································································································································· 1-1
1.3.2 配置 ARP 源抑制功能 ············································································································· 1-2
1.3.3 配置 ARP 黑洞路由功能 ·········································································································· 1-2
1.3.4 ARP 防止 IP 报文攻击显示和维护 ·························································································· 1-3
1.3.5 ARP 防止 IP 报文攻击典型配置举例 ······················································································· 1-3
1.4 配置 ARP 报文限速功能 ···················································································································· 1-4
1.5 配置源 MAC 地址固定的 ARP 攻击检测功能 ····················································································· 1-5
1.5.2 源 MAC 地址固定的 ARP 攻击检测显示和维护 ······································································ 1-6
1.5.3 源 MAC 地址固定的 ARP 攻击检测功能典型配置举例 ···························································· 1-6
1.6 配置 ARP 报文源 MAC 地址一致性检查功能 ····················································································· 1-7
1.6.1 功能简介 ································································································································· 1-7
1.6.2 配置步骤 ································································································································· 1-7
1.7 配置 ARP 主动确认功能 ···················································································································· 1-8
1.8 配置授权 ARP 功能 ··························································································································· 1-8
1.8.1 功能简介 ································································································································· 1-8
1.8.2 配置步骤 ································································································································· 1-8
1.8.3 授权 ARP 功能在 DHCP 服务器上的典型配置举例 ································································· 1-9
1.8.4 授权 ARP 功能在 DHCP 中继上的典型配置举例 ·································································· 1-10
1.9 配置 ARP Detection 功能 ················································································································ 1-11
1.9.1 功能简介 ······························································································································· 1-11
1.9.2 配置限制和指导 ···················································································································· 1-12
1.9.3 用户合法性检查 ···················································································································· 1-12
1.9.4 ARP 报文有效性检查 ············································································································ 1-14
1.9.5 ARP 报文强制转发 ················································································································ 1-15
1.9.6 配置 ARP Detection 忽略端口匹配检查功能 ········································································· 1-15
1.9.7 ARP Detection 支持 VSI ······································································································· 1-16
1.9.8 配置 ARP Detection 日志功能······························································································· 1-17
1.9.9 ARP Detection 显示和维护 ··································································································· 1-18
1.9.10 用户合法性检查典型配置举例 ····························································································· 1-18
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