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NAT网关
视频简介

帮助您在VPC环境下构建一个公网流量的出入口，通过自定义SNAT，DNAT规则灵活使用网络资源，支持多IP，支持共享公网带宽。

立即购买管理控制台产品文档价格总览产品图解立即购买产品文档

高可靠

跨机房容灾的NAT网关，打造极致稳定的公网网关服务
低成本

支持共享带宽，多台VPC ECS共享公网带宽，大幅降低公网带宽成本
简明易用

图形化控制台灵活定义各种NAT规则，图形化统计信息直观易懂
高性能

单实例提供万兆级吞吐量，百万级连接数，满足超大业务上云需求

高可靠

跨机房容灾的NAT网关，打造极致稳定的公网网关服务
低成本

支持共享带宽，多台VPC ECS共享公网带宽，大幅降低公网带宽成本
简明易用

图形化控制台灵活定义各种NAT规则，图形化统计信息直观易懂
高性能

单实例提供万兆级吞吐量，百万级连接数，满足超大业务上云需求

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精心打造的功能

SNAT

源网络地址转换，支持多个VPC ECS通过同一公网IP主动访问互联网

SNAT 基本功能

多台VPC ECS主机通过同一公网IP访问互联网，避免各ECS需持有公网IP带来的管理麻烦

SNAT CIDR功能

默认支持虚拟交换机网段粒度的CIDR，更细粒度的自定义SNAT CIDR网段可提交工单申请开通
DNAT

多台VPC ECS可使用NAT网关上的公网IP面向互联网提供服务

DNAT端口映射

一个VPC ECS某端口上的应用可通过一个公网IP的某个端口对外提供服务

DNAT IP映射

一个VPC ECS可通过一个公网IP对外提供服务
共享带宽

支持共享带宽

多IP共享带宽

多IP共享公网带宽，对于应用间存在流量错峰效应的业务，可有效降低带宽成本

产品动态

查看全部日志 >

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领军客户实战场景

对外提供服务
主动访问公网

对外提供服务
对外提供服务

基于阿里云VPC搭建多个应用，各应用都需要对外提供服务，且其波峰时间点不一致，希望多IP共享带宽，尽量减小波峰波谷效应从而降低成本

能够解决
- 对外提供服务
  
  提供端口映射和IP映射，VPC ECS可对外提供服务
- 低成本
  
  支持多个台VPC ECS共享公网带宽，优化成本
- 高性能
  
  NAT网关提供大带宽吞吐与高连接数
主动访问公网
主动访问公网

基于VPC构建云上互动模块，其他系统部署在多个云下IDC内，云上多台VPC ECS需主动访问公网将其云上处理内容同步给云下IDC，为用户提供高清、可靠的视频服务

能够解决
- 易配置
  
  多台VPC ECS实例可通过SNAT功能主动访问公网，管理方便
- 安全
  
  VPC ECS不需要都持有公网IP，避免管理麻烦与安全风险

强而有力的后盾

文档与工具

NAT网关 视频简介

高可靠

低成本

简明易用

高性能

高可靠

低成本

简明易用

高性能

精心打造的功能

SNAT

SNAT 基本功能

SNAT CIDR功能

DNAT

DNAT端口映射

DNAT IP映射

共享带宽

多IP共享带宽

产品动态

领军客户实战场景

对外提供服务

能够解决

对外提供服务

低成本

高性能

主动访问公网

能够解决

易配置

安全

强而有力的后盾

PC超级控制台

多渠道客服

APP移动运维

文档与工具

产品文档

API & SDK

最佳实践

快速入门

热门产品

售前咨询热线

95187转1

支持与服务

账户管理

快速入口

资源和社区

关注阿里云

热门产品

用户热搜

更多推荐

NAT网关
视频简介