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i 目 录 1 VXLAN简介 ·················································································································· 1-1 1.1 VXLAN网络模型 ········································································································· 1-1  1.2 VXLAN报文封装格式 ··································································································· 1-2  1.3 VXLAN运行机制 ········································································································· 1-2  1.3.2 识别报文所属的VXLAN ······················································································· 1-3  1.3.3 学习MAC地址 ··································································································· 1-3  1.3.4 接入模式 ·········································································································· 1-4  1.3.5 转发单播流量 ···································································································· 1-4  1.3.6 转发泛洪流量 ···································································································· 1-6  1.4 ARP泛洪抑制 ············································································································ 1-8  1.5 协议规范··················································································································· 1-9  2 配置VXLAN ·················································································································· 2-1 2.1 VXLAN配置限制和指导 ································································································ 2-1  2.1.1 VXLAN软件限制 ································································································ 2-1  2.2 VXLAN配置任务简介 ··································································································· 2-1  2.3 创建VSI和VXLAN ······································································································· 2-2  2.4 创建VXLAN隧道 ········································································································· 2-2  2.5 关联VXLAN与VXLAN隧道 ···························································································· 2-4  2.6 配置AC与VSI关联 ······································································································· 2-4  2.6.1 配置手工创建的以太网服务实例与VSI关联 ······························································ 2-4  2.6.2 配置动态创建的以太网服务实例与VSI关联 ······························································ 2-6  2.7 管理本地和远端MAC地址 ····························································································· 2-7  2.7.1 配置增删本地MAC地址时记录日志 ········································································ 2-7  2.7.2 添加静态远端MAC地址 ······················································································· 2-8  2.7.3 关闭远端MAC地址自动学习功能 ··········································································· 2-8  2.7.4 配置接口的MAC地址软件学习功能 ········································································ 2-8  2.8 配置VXLAN组播路由泛洪方式 ······················································································· 2-9  2.8.1 配置准备 ·········································································································· 2-9  2.8.2 配置PIM模式··································································································· 2-10  2.8.3 配置IGMP主机模式 ·························································································· 2-10  2.9 配置VSI泛洪抑制 ······································································································ 2-11  2.10 配置VXLAN报文的目的UDP端口号 ············································································· 2-11