Help Center/ NAT Gateway/ User Guide/ Public NAT Gateways/ Public NAT Gateway Overview
Updated on 2023-03-17 GMT+08:00

Public NAT Gateway Overview

A public NAT gateway enables cloud and on-premises servers in a private subnet to access the Internet or provide services accessible from the Internet. Cloud servers are ECSs and BMSs in a VPC. On-premises servers are servers in on-premises data centers that connect to a VPC through Direct Connect or VPN. A public NAT gateway supports up to 20 Gbit/s of bandwidth.

The process of using a public NAT gateway is as follows.

Figure 1 Process of using a public NAT gateway