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The selected subnet cannot be changed after the public NAT gateway is purchased. The NAT gateway will be deployed in the selected subnet. The NAT gateway works for the entire VPC where it is deployed. To enable communications over the Internet, add SNAT or DNAT rules.
Parent Topic: Private NAT Gateway Tags
What Security Policies Can I Configure to Implement Access Control If I Use a Public NAT Gateway?
What Can I Do If the Number of Lost Packets of a Public NAT Gateway Exceeds the Threshold (or EIP Port Allocation Exceeds the Threshold)?
Parent Topic: Public NAT Gateway Tags (V3)
Tag Management Scenarios A NAT gateway tag identifies the NAT gateway. Tags can be added to NAT gateways to ease NAT gateway identification and administration. You can add a tag to a NAT gateway when creating the NAT gateway.
Parent Topic: Public NAT Gateway Tags (V3)
Adding an SNAT Rule to the NAT Gateway Scenarios This section describes how to add an SNAT rule to the public NAT gateway. Procedure Add an SNAT rule to the public NAT gateway. For details, see Adding an SNAT Rule. For SNAT rule details, see Table 7.
API Overview You can use all NAT Gateway functions through NAT Gateway APIs.
What Should I Do If My ECS Fails to Access a Server on the Public Network Through a Public NAT Gateway? TCP connection may fail when an ECS accesses a server on the public network through an SNAT rule.
Public NAT Gateway: All regions Adding an SNAT Rule (Public NAT Gateway) Adding a DNAT Rule (Public NAT Gateway) Enterprise Project NAT Gateway resources can be managed by enterprise project.
Table 1 NAT Gateway billing items Billing Item Description Billing Mode Formula NAT gateway specifications The NAT gateway performance is determined by the maximum number of SNAT connections supported.
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Configuring Protection Rules to Block or Allow NAT Gateway Border Traffic After protection is enabled, CFW allows all traffic by default. You can configure protection rules to block or allow traffic.
NAT Gateway NAT Gateway You can use NAT Gateway to let all instances in a private subnet connect outbound to the Internet or other private networks while remaining fully private.
Assigning an EIP and Creating a Public NAT Gateway Scenarios This section describes how to assign an EIP and create a public NAT gateway. Procedure Assign an EIP in region A. For details, see Assigning an EIP. Create a public NAT gateway in region A.
One of the VPCs will be used to host a NAT gateway Assign an EIP and create a public NAT gateway in VPC 4. 3 Configuring Networks Create VPC attachments for the enterprise router: Attach the four VPCs to the enterprise router.
Constraints You can create an SNAT rule only when status of the NAT gateway is ACTIVE and admin_state_up of the NAT gateway administrator is True. Calling Method For details, see Calling APIs.
Constraints You can create a DNAT rule only when status of the NAT gateway is ACTIVE and admin_state_up of the NAT gateway administrator is True. Specify either port_id or private_ip at a time.
Table 1 Renewing a yearly/monthly public NAT gateway Method Description Manually renewing a yearly/monthly public NAT gateway You can renew a yearly/monthly NAT gateway on the console anytime before it is automatically deleted.
