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阿里云知识库 #63

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moooofly opened this issue Feb 26, 2019 · 1 comment
Open

阿里云知识库 #63

moooofly opened this issue Feb 26, 2019 · 1 comment

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@moooofly
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EIP 小结

弹性公网IP(Elastic IP Address,简称EIP),是可以独立购买和持有的公网IP地址资源。目前,EIP可绑定到专有网络类型的ECS实例、专有网络类型的私网SLB实例和NAT网关上。

弹性公网IP是一种NAT IP。它实际位于阿里云的公网网关上,通过NAT方式映射到了被绑定的ECS实例位于私网的网卡上。因此,绑定了弹性公网IP的专有网络ECS实例可以直接使用这个IP进行公网通信,但是在ECS实例的网卡上并不能看到这个IP地址。

我:我这边部署在阿里云的 proxy 绑定了 EIP ,这个 IP 是 aliyun 提供的持久可用(不会因为机器销毁等原因就销毁)的 IP 么,并且是可以漂移到其他实例的么?

客服:是的

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