NAT Gateway Optimization Bulletin

• Release notes
• Release notes of VPC NAT gateways

What is NAT Gateway?

Pricing

• Billing overview
• Billing of Internet NAT gateways
• Billing of VPC NAT gateways
• NAT resource plans
• Overdue payments
• View bills and usage details
• Billing FAQ

Internet NAT Gateway

• What is an Internet NAT gateway?
• Quick Start
• Create and manage Internet NAT gateways
• Purchase a service bundle that consists of an SNAT-enabled Internet NAT gateway and an EIP for a VPC
• Create and manage SNAT entries
• Create and manage DNAT entries
• Monitor and maintain Internet NAT gateways

VPC NAT Gateway

• What is a VPC NAT gateway?
• Create and manage a VPC NAT gateway
• Create and manage SNAT entries on a VPC NAT gateway
• Create and manage DNAT entries on a VPC NAT gateway
• Establish reverse connections by using VPC NAT gateways
• Monitor and maintain VPC NAT gateways

Internet NAT Gateway Best Practices

• Deploy multiple Internet NAT gateways in one VPC
• Uniformly manage public IP addresses of ECS instances in a VPC
• Create an SNAT IP address pool
• Switch to another Internet NAT gateway in the same VPC
• Create VPC peering connections to enable multiple VPCs to use the same Internet NAT gateway
• Use a transit router to enable VPCs to share an Internet NAT gateway
• Enable multiple applications to share the bandwidth of an EIP bandwidth plan
• Switch from a self-managed SNAT gateway to an Alibaba Cloud NAT gateway without service disruption

VPC NAT Gateway Best Practices

• Allow VPCs with overlapping CIDR blocks to access each other by using VPC NAT gateways
• Use a VPC NAT gateway and an Express Connect circuit to connect a data center to a VPC
• Use a VPC NAT gateway and a VPN gateway to connect a data center and a VPC

API Reference

• List of operations by function
• Call an API operation
• Common parameters
• Enable multiple applications to share bandwidth (sample code)
• Comparison of API operations between Internet NAT gateways and VPC NAT gateways
• NAT Gateway
• DNAT table
• SNAT table
• FULLNAT table
• Manage NAT IP addresses and NAT CIDR blocks
• QoS

FAQ

• Billing FAQ
• FAQ about Internet NAT gateways
• FAQ about upgrading standard Internet NAT gateways to enhanced Internet NAT gateways
• FAQ about switching to an Internet NAT gateway that is compatible with IPv4 gateways
• FAQ about DNAT
• FAQ about SNAT
• Guide for troubleshooting

Common Configurations

• Service-linked role
• Anti-DDoS Origin Basic

Historical Documents

• Pay-by-specification (Discontinued)
• Free upgrades to enhanced Internet NAT gateways for a limited time
• Standard Internet NAT gateways discontinued
• What is a standard Internet NAT gateway?
• Differences in API operations between enhanced Internet NAT gateways and standard Internet NAT gateways
• Upgrade a standard Internet NAT gateway to an enhanced Internet NAT gateway
• Bandwidth Package (Archive)
• Release notes of enhanced Internet NAT gateways
• ModifyNatGatewaySpec