专有网络VPC nat网关的相关内容

文章 2018-07-07 来自：开发者社区

三步搭建VPC专有网络NAT网关，配置SNAT和DNAT规则

搭建NAT网关就是为了实现在相同VPC内，没有公网IP的ECS借助有公网的ECS访问外网，或者是外网通过端口映射访问到内网服务器。 SNAT：实现没有公网IP的ECS实例借助有公网的ECS访问外网，但是外网无法访问到内网IP； DNAT：实现外网通过端口映射访问到内网服务器，但是不能实现内网ECS访问到外网。一共三个步骤：第一步：开启ECS的ip转发功能这步只在有公网的ECS上操作：...

问答 2018-06-07 来自：开发者社区

关于经典网络转专有网络时NAT网关的问题

一直用的是经典网络,用了好多年现在发现大家其本都是专有网络了, 所以想转一下,现有些疑问求指点: 1.在创建VPC的时候,发现有一个NAT网关,这个东西, 是必须使用的还是可选的, 如果是必须使用的,我看它最便宜的小型也要12元每天,是不是意味着我转成转有网络后(或者转后到下一个续费周期重新续费) 就必须每个月多付360(12*30)元? 2.转成专有网络后IP是不是会自动转为弹性...

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