H3C IP业务配置指导手册

小乔

目录
1 ARP······················································································································································· 1-1
1.1 ARP 简介··········································································································································· 1-1
1.1.1 ARP 报文结构························································································································· 1-1
1.1.2 ARP 地址解析过程·················································································································· 1-1
1.1.3 ARP 表项类型························································································································· 1-2
1.2 ARP 配置任务简介···························································································································· 1-3
1.3 手工添加静态ARP 表项···················································································································· 1-3
1.3.1 手工添加短静态ARP 表项······································································································ 1-4
1.3.2 手工添加长静态ARP 表项······································································································ 1-4
1.3.3 手工添加多端口ARP 表项······································································································ 1-4
1.4 配置动态ARP 表项的相关功能········································································································· 1-5
1.4.1 配置设备学习动态ARP 表项的最大数目················································································ 1-5
1.4.2 配置接口学习动态ARP 表项的最大数目················································································ 1-6
1.4.3 配置动态ARP 表项的老化时间······························································································· 1-6
1.4.4 开启动态ARP 表项的检查功能······························································································· 1-6
1.5 开启 ARP 日志信息功能···················································································································· 1-7
1.6 ARP 显示和维护································································································································ 1-7
1.7 ARP 典型配置举例···························································································································· 1-8
1.7.1 长静态 ARP 表项配置举例······································································································ 1-8
1.7.2 短静态 ARP 表项配置举例···································································································· 1-10
2 免费 ARP ·············································································································································· 2-1
2.1 免费 ARP 简介··································································································································· 2-1
2.1.1 IP 地址冲突检测······················································································································ 2-1
2.1.2 免费 ARP 报文学习················································································································· 2-1
2.1.3 定时发送免费ARP·················································································································· 2-1
2.2 免费 ARP 配置任务简介···················································································································· 2-2
2.3 开启源IP 地址冲突提示功能············································································································· 2-2
2.4 开启免费ARP 报文学习功能············································································································· 2-3
2.5 开启定时发送免费ARP 功能············································································································· 2-3
2.6 开启设备收到非同一网段ARP 请求时发送免费ARP 报文功能························································ 2-3
2.7 配置当接口MAC 地址变化时，该接口重新发送免费ARP 报文的次数和时间间隔··························· 2-4
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3 代理 ARP ·············································································································································· 3-1
3.1 代理 ARP 简介··································································································································· 3-1
3.2 开启普通代理ARP 功能···················································································································· 3-1
3.3 开启本地代理ARP 功能···················································································································· 3-1
3.4 代理 ARP 显示和维护························································································································ 3-2
3.5 普通代理ARP 典型配置举例············································································································· 3-2
3.5.1 普通代理ARP 基本组网配置举例··························································································· 3-2
4 ARP Snooping ······································································································································ 4-1
4.1 ARP Snooping 简介··························································································································· 4-1
4.1.1 ARP Snooping 表项建立机制································································································· 4-1
4.1.2 ARP Snooping 表项老化机制································································································· 4-1
4.1.3 ARP Snooping 表项冲突处理机制·························································································· 4-1
4.2 开启 ARP Snooping 功能·················································································································· 4-1
4.3 ARP Snooping 显示和维护················································································································ 4-2
5 ARP 泛洪抑制······································································································································· 5-1
5.1 ARP 泛洪抑制简介···························································································································· 5-1
5.2 开启 ARP 泛洪抑制功能···················································································································· 5-1
5.3 ARP 泛洪抑制显示和维护·················································································································· 5-2
5.4 ARP 泛洪抑制典型配置举例·············································································································· 5-2
5.4.1 ARP 泛洪抑制基本组网配置举例···························································································· 5-2
6 ARP 直连路由通告································································································································ 6-1
6.1 ARP 直连路由通告简介····················································································································· 6-1
6.1.1 工作机制································································································································· 6-1
6.1.2 三层接入组网应用··················································································································· 6-1
6.1.3 L2VPN 接入L3VPN 组网应用································································································· 6-1
6.2 开启 ARP 直连路由通告功能············································································································· 6-2

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