Adding 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.

Notes and Constraints

Only one SNAT rule can be added for each VPC subnet.

Prerequisites

  • A private NAT gateway is available.

  • A transit IP address is available.

Procedure

  1. Log in to the management console.

  2. Click image1 in the upper left corner and select the desired region and project.

  3. In the upper left corner of the page, click image2 to expand the service list and choose Network > NAT Gateway.

    The NAT Gateway console is displayed.

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

  1. On the Private NAT Gateways page, click the name of the private NAT gateway on which you need to add an SNAT rule.

  2. On the SNAT Rules tab, click Add SNAT Rule.

  3. Configure required parameters. For details, see Table 1.

    **Figure 1** Add SNAT Rule

    Figure 1 Add SNAT Rule

    Table 1 Parameter descriptions of an SNAT rule

    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 using Cloud Eye after your SNAT connection has been created.

    Transit IP Address

    Select the created transit IP address.

    Description

    Provides supplementary information about the SNAT rule. Enter up to 255 characters. Angle brackets (<>) are not allowed.

  4. Click OK.

    Note

    You can add multiple SNAT rules for a private NAT gateway to suite your service requirements.