tencent cloud

NAT Gateway

Release Notes and Announcements
Release Notes
Announcements
Product Introduction
Overview
Features
Use Cases
Product Specifications
Relevant Products
Purchase Guide
Public NAT Gateway Billing Overview
Private NAT Gateway Operation Guide
Purchasing in the Console
Overdue Payment and Service Expiration Policies
Getting Started
Public NAT Gateway Operation Guide
Modifying NAT Gateway Configuration
Managing EIPs of NAT Gateway
Routing to NAT Gateway
Managing SNAT Rules
Managing Port Forwarding Rules
Public NAT Usage Limits
NAT Gateway Flow Logs
Binding with Anti-DDoS Pro
Monitoring and Alarms
Deleting NAT Gateway
Adjusting the Priorities of NAT Gateways and EIPs
Private NAT Gateway Operation Guide
Creating and Managing a NAT Gateway
Configuring a Route to Private NAT Gateway
Managing SNAT Rules
Managing DNAT Rules
Cloud Access Management
Practical Tutorial
Enabling Cross-VPC Access to Public Network via Standard NAT Gateway
Enabling Mutual Access between a Specified VPC Subnet and Public Network Resources via Private NAT Gateway
Enabling Secure Mutual Access with Public Network via Public CLB and NAT Gateway
Adjusting the Priorities of NAT Gateways and EIPs
API Documentation
FAQ
Billing
Concepts
Features
Service Level Agreement
Contact Us
Glossary
DocumentaçãoNAT GatewayProduct IntroductionProduct Specifications

Product Specifications

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Última atualização: 2024-08-01 14:20:51
NAT Gateway offers various packages based on product features and specifications, and is classified into Public NAT Gateway and Private NAT Gateway.

Public NAT Gateway

Public NAT Gateway enables multiple CVMs having no public IPs in the VPC to actively access the public network, and also supports mapping the EIPs and ports to the CVM's private IPs and ports so that the CVMs in the VPC can be accessed from the public network. It is classified into Traditional NAT Gateway and Standard NAT Gateway.
Note
Public NAT Gateway - Standard NAT Gateway is in beta testing and currently supports Beijing, Shanghai, Guangzhou, Chengdu, Chongqing, Hong Kong (China), Singapore, and Bangkok. If you need to use it, please submit a ticket for request.
Public NAT Gateway - Traditional NAT Gateway includes the original Small, Medium, and Large NAT Gateways.
After you activate the Standard NAT Gateway, the original NAT Gateway types will be automatically renamed as Traditional NAT Gateway - Small, Traditional NAT Gateway - Medium, and Traditional NAT Gateway - Large. For details, please see Announcement on the Renaming of the NAT Gateway Type.
If you do not activate the Standard NAT Gateway, the console experience will remain unchanged.
The comparison between the Standard NAT Gateway and the Traditional NAT Gateway is as follows:
Comparison Item
Standard NAT Gateway
Traditional NAT Gateway
High availability
Natively supports multi-AZ disaster recovery.
Achieves cross-availability zone disaster recovery through rapid migration.
Gateway specification
2,000,000 concurrent connections
100,000 new connections per second
5 Gbps bandwidth cap
Supports 3 connection specifications:
Small (up to 1,000,000 connections)
Medium (up to 3,000,000 connections)
Large (up to 10,000,000 connections)
Peak bandwidth:
Optional maximum public network outbound bandwidth (in Mbps): 10, 20, 50, 100, 200, 500, 1,000, 2,000, 5,000.
Maximum public network inbound bandwidth: 5,000 Mbps by default, not adjustable.
If you need more performance, please submit a ticket for request.
Gateway fee

Gateway fee = instance fee + CU (Capacity Unit) fee
Instance fee: charged hourly.
CU fee: charged by usage, namely calculated by converting the actual performance consumption to the number of CUs.
The fixed instance fee is charged hourly based on different gateway specifications.
ECMP
Supported
Supported
Gateway traffic control
Not supported yet
Supported
Gateway traffic logs
Not supported yet
Supported
Note
Public NAT Gateway supports binding up to 10 EIPs.
Restricted by standard protocols, for the same protocol/destination IP/destination port of SNAT, the maximum number of connections = number of bound EIPs * 55,000. To increase the number of connections, bind new EIPs or adjust the destination IP/port.
Hybrid ECMP of the Standard NAT Gateway and the Traditional NAT Gateway is not supported.
If you need other specifications, please submit a ticket.

Private Network NAT Gateway

Private NAT Gateway enables the CVM instances in the VPC to access public VPCs and also supports accessing the CVM instances from the public VPCs.
Note:
Private NAT Gateway is in beta testing and currently supports Guangzhou, Shanghai, Beijing, Chengdu, Chongqing, Hong Kong (China), Singapore, Tokyo, and Virginia. If you need to use it, please submit a ticket for request.

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