H3C-EVPN配置手册

小乔

目录
1 EVPN VXLAN 概述······························································································································· 1-1
1.1 EVPN 网络模型································································································································· 1-1
1.2 自动发现邻居、建立隧道、关联隧道································································································ 1-2
1.3 识别报文所属的VXLAN ···················································································································· 1-2
1.3.1 本地站点内接收到数据帧的识别····························································································· 1-2
1.3.2 VXLAN 隧道上接收报文的识别······························································································· 1-3
1.4 转发二层流量····································································································································· 1-3
1.4.1 学习 MAC 地址······················································································································· 1-3
1.4.2 转发已知单播流量··················································································································· 1-3
1.4.3 转发泛洪流量·························································································································· 1-4
1.5 集中式EVPN 网关····························································································································· 1-5
1.6 分布式EVPN 网关····························································································································· 1-6
1.6.1 简介 ········································································································································ 1-7
1.6.2 对称 IRB 转发方式·················································································································· 1-7
1.6.3 非对称 IRB 转发方式············································································································· 1-11
1.7 多归属站点······································································································································ 1-12
1.7.1 功能简介······························································································································· 1-12
1.7.2 DF 选举································································································································· 1-13
1.7.3 水平分割······························································································································· 1-15
1.7.4 冗余备份模式························································································································ 1-15
1.7.5 Aliasing ································································································································· 1-16
1.8 ARP 泛洪抑制·································································································································· 1-16
1.9 MAC 地址迁移································································································································· 1-17
2 配置 EVPN VXLAN······························································································································· 2-1
2.1 EVPN VXLAN 配置限制和指导········································································································· 2-1
2.2 EVPN VXLAN 配置任务简介············································································································· 2-1
2.3 配置 VSI 和VXLAN ··························································································································· 2-2
2.3.1 配置限制和指导······················································································································ 2-2
2.3.2 创建 VSI 和VXLAN················································································································· 2-2
2.3.3 配置 VSI 参数·························································································································· 2-2
2.4 配置 EVPN 实例································································································································ 2-3
2.5 配置多归属站点································································································································· 2-3
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2.5.1 配置限制和指导······················································································································ 2-3
2.5.2 配置接口ESI ·························································································································· 2-4
2.5.3 配置 DF 选举算法··················································································································· 2-4
2.5.4 配置 DF 选举延迟时间············································································································ 2-5
2.5.5 配置禁止通告以太网自动发现路由和以太网段路由································································ 2-6
2.5.6 配置发布以太网自动发现路由和MAC/IP 发布路由时忽略以太网标签··································· 2-6
2.5.7 配置成员设备监视BGP 邻居状态··························································································· 2-7
2.6 配置 BGP 发布EVPN 路由················································································································ 2-7
2.6.1 配置限制和指导······················································································································ 2-7
2.6.2 开启 BGP 发布EVPN 路由能力······························································································ 2-7
2.6.3 控制 BGP EVPN 路由的发布和优选······················································································· 2-8
2.6.4 配置 BGP 路由根据路由策略来过滤迭代到的下一跳路由····················································· 2-10
2.6.5 配置 BGP EVPN 路由进行下一跳路由迭代时不能迭代到缺省路由······································ 2-11
2.6.6 维护 BGP 会话······················································································································ 2-11
2.7 配置 AC 与VSI 关联························································································································ 2-12
2.7.1 配置三层接口与VSI 关联······································································································ 2-12
2.8 配置集中式EVPN 网关··················································································································· 2-12
2.9 配置分布式EVPN 网关··················································································································· 2-13
2.9.1 配置限制和指导···················································································································· 2-13
2.9.2 配置准备······························································································································· 2-13
2.9.3 配置 EVPN VXLAN 的转发方式···························································································· 2-13
2.9.4 配置 VSI 虚接口作为分布式网关接口··················································································· 2-14
2.9.5 配置 VSI 虚接口关联L3VNI·································································································· 2-15
2.9.6 配置发布IP 前缀路由············································································································ 2-17
2.10 管理远端MAC 地址和远端ARP 信息学习···················································································· 2-18
2.10.1 关闭远端MAC 地址和远端ARP 自动学习功能·································································· 2-18
2.10.2 配置禁止通告MAC 地址信息······························································································ 2-19
2.10.3 配置禁止EVPN 从ARP 信息中学习MAC 地址表项·························································· 2-19
2.10.4 配置禁止通告ARP 信息······································································································ 2-20
2.11 配置 BGP EVPN 路由的引入和发布······························································································ 2-20
2.11.1 配置将包含ARP 信息的MAC/IP 发布路由引入BGP 单播路由表······································ 2-20
2.11.2 配置允许向本地站点发布BGP EVPN 路由········································································ 2-21
2.12 配置 VSI 泛洪抑制························································································································· 2-21
2.13 配置 ARP 泛洪抑制······················································································································· 2-22
2.14 EVPN VXLAN 显示和维护············································································································· 2-22
2.15 EVPN 典型配置举例······················································································································ 2-24
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2.15.1 集中式EVPN 网关配置举例································································································ 2-24
2.15.2 分布式EVPN 网关配置举例································································································ 2-31
2.15.3 EVPN 公私网互通配置举例································································································ 2-40

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