H3C-SDWAN配置指导手册

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目 录
1 SDWAN 概述········································································································································1-1
1.1 SDWAN 简介·····································································································································1-1
1.2 SDWAN 的License 要求···················································································································1-1
1.3 SDWAN 网络模型······························································································································1-1
1.4 SDWAN 报文封装格式······················································································································1-2
1.4.1 控制报文格式··························································································································1-2
1.4.2 数据报文格式··························································································································1-3
1.5 BGP 扩展···········································································································································1-4
1.5.1 BGP IPv4 Tnl-Encap-Ext 地址族····························································································1-4
1.5.2 EVPN 路由······························································································································1-5
1.6 通道建立············································································································································1-5
1.6.1 控制通道·································································································································1-6
1.6.2 数据通道·································································································································1-6
1.6.3 SDWAN 扩展隧道···················································································································1-7
1.7 路由信息发布·····································································································································1-9
1.8 报文转发··········································································································································1-10
1.9 IPsec 保护SDWAN 隧道·················································································································1-11
1.10 穿越 NAT 建立SDWAN 隧道········································································································1-11
1.10.1 控制通道建立······················································································································1-13
1.10.2 数据通道建立······················································································································1-13
2 配置 SDWAN ········································································································································2-1
2.1 SDWAN 配置任务简介······················································································································2-1
2.2 配置站点信息和设备标识···················································································································2-1
2.2.1 配置设备所属的站点···············································································································2-1
2.2.2 配置设备在SDWAN 网络的标识····························································································2-2
2.3 配置 SDWAN client ···························································································································2-2
2.4 配置 SDWAN server··························································································································2-3
2.5 配置 SDWAN 隧道·····························································································································2-4
2.6 配置 TTE 连接连通性检测·················································································································2-5
2.6.1 功能简介·································································································································2-5
2.6.2 配置限制和指导······················································································································2-6
2.6.3 BFD 方式································································································································2-6
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2.6.4 Keepalive 方式························································································································2-6
2.7 配置 BGP 发布IPv4 Tnl-encap-ext 路由···························································································2-7
2.7.1 配置限制和指导······················································································································2-7
2.7.2 开启 BGP 发布IPv4 Tnl-encap-ext 路由能力·········································································2-7
2.7.3 配置 BGP IPv4 Tnl-encap-ext 路由························································································2-7
2.7.4 维护 BGP 会话························································································································2-9
2.8 配置通过IP 前缀路由发布站点VPN 路由·························································································2-9
2.8.1 CPE 配置································································································································2-9
2.8.2 RR 配置································································································································2-10
2.8.3 通过 Priority-Color 属性实现流量逃生以及负载分担·····························································2-11
2.8.4 配置 IP 前缀路由仅通过Priority-Color 扩展团体属性迭代下一跳·········································2-13
2.9 配置 NAT 转换后的公网IP 地址和公网端口号················································································2-14
2.10 Hub-Spoke 组网中简化QoS 业务配置··························································································2-15
2.11 SDWAN 显示和维护······················································································································2-16
2.12 SDWAN 典型配置举例··················································································································2-17
2.12.1 穿越 NAT 建立SDWAN 隧道配置举例···············································································2-17
2.12.2 按需建立SDWAN 隧道配置举例························································································2-27

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