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Tutorial overview

Last Updated: Aug 14, 2017

This tutorial provides a step-by-step guidance on how to configure SNAT and DNAT so that the ECS instance without a public IP can communicate with the Internet.

Before you begin, ensure you have created a VPC. An ECS instance without a public IP in the VPC is used as an example.

The NAT gateway is a public network gateway for VPC. The entrance of the NAT gateway is on the VPC console, as shown in the following figure.