Step 4: Add an SNAT Rule

Scenarios

After the private NAT gateway is created, add an SNAT rule so that some or all servers in a VPC subnet can share a transit IP address to access on-premises data centers or other VPCs.

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. In the navigation pane on the left, choose Private NAT Gateways.

   The Private NAT Gateways page is displayed.

4. In the private NAT gateway list, click the name of the private NAT gateway that you want to add an SNAT rule for.
5. On the SNAT Rules tab, click Add SNAT Rule.
   Figure 1 Add SNAT Rule
   
6. Configure required parameters. For details, see Table 1.

   Table 1 Description

   Parameter	Description
   Subnet	The subnet type of the SNAT rule. Select Existing or Custom. Select a subnet where IP address translation is required in the service VPC.
   Monitoring	You can create alarm rules to watch the number of SNAT connections.
   Transit IP Address	The transit IP address you assigned in Step 3: Buy a Private NAT Gateway
   Description	Provides supplementary information about the SNAT rule. Enter up to 255 characters. Angle brackets (<>) are not allowed.

7. Click OK.
8. View details in the SNAT rule list.

   If Status is Running, the rule has been added.