Buying a Public NAT Gateway

Scenarios

You can buy a public NAT gateway to enable your servers to access the Internet or provide services accessible from the Internet.

Prerequisites

• When you buy a public NAT gateway, you must specify its VPC, subnet, and type.
• Check whether the default route (0.0.0.0/0) of the VPC is in use by any other gateways. If yes, add another route for the gateway you purchased or add the default route to a new route table that you will associate with the gateway.

Procedure

1. Log in to the management console.
2. Click in the upper left corner and select the desired region and project.
3. Click Service List in the upper left corner. Under Networking, select NAT Gateway.

   Switch to the Public NAT Gateway page.

4. On the displayed page, click Buy Public NAT Gateway.
   Figure 1 Buy Public NAT Gateway
   
5. Configure the required parameters. For details, see Table 1.

   Table 1 Parameter descriptions

   Parameter	Description
   Region	The region where the public NAT gateway is located
   Billing Mode	Public NAT gateways are billed on a pay-per-use basis.
   Name	The name of the public NAT gateway Enter up to 64 characters. Only digits, letters, underscores (_), and hyphens (-) are allowed.
   VPC	The VPC that the public NAT gateway belongs to Check whether the default route (0.0.0.0/0) of the VPC is in use by any other gateways. If yes, add another route for the gateway you purchased or add the default route to a new route table that you will associate with the gateway. The selected VPC cannot be changed after the public NAT gateway is purchased.
   Subnet	The subnet of the VPC that the public NAT gateway belongs to The subnet must have at least one available IP address. The selected subnet cannot be changed after the public NAT gateway is purchased.
   Type	The type of the public NAT gateway The type can be Small, Medium, Large, and Extra-large. You can click Learn more on the page to view details about each type.
   Enterprise Project	The enterprise project that the public NAT gateway belongs to If an enterprise project is configured for a public NAT gateway, the public NAT gateway belongs to this enterprise project. If you do not specify an enterprise project, the default enterprise project will be used.
   Description	Supplementary information about the public NAT gateway Enter up to 255 characters.

   After these parameters are configured, the public NAT gateway price will be displayed. You can click Pricing details on the page to view pricing details.

6. Click Next.

   The page for you to confirm the public NAT gateway specifications is displayed.

7. If you do not need to modify the information, click Submit.

   It takes 1 to 5 minutes to create a public NAT gateway.

8. In the public NAT gateway list, check the gateway status.