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NAT Gateway
NAT Gateway
- What's New
- Function Overview
- Service Overview
-
Getting Started
- Allowing a Private Network to Access the Internet Using SNAT
- Allowing Internet Users to Access a Service in a Private Network Using DNAT
- Allowing On-Premises Servers to Communicate with the Internet
- Using Private NAT Gateways to Enable Communications Between Cloud and On-premises Networks
- Using Multiple Public NAT Gateways Together in Performance-Demanding Scenarios
- Change History
-
User Guide
- Public NAT Gateways
- Private NAT Gateways
- Managing NAT Gateway Tags
- Monitoring
- Auditing
- Change History
- Best Practices
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- V2 APIs of Public NAT Gateways
- API v2.0
- Private Nat API
- Permissions Policies and Supported Actions
- Common Parameters
- Change History
-
FAQs
-
Public NAT Gateways
- What Is the Relationship Between a VPC, Public NAT Gateway, EIP Bandwidth, and ECS?
- How Does a Public NAT Gateway Offer High Availability?
- Which Ports Cannot Be Accessed?
- What Are the Differences Between Using a Public NAT Gateway and Using an EIP for an ECS?
- What Should I Do If I Fail to Access the Internet Through a Public NAT Gateway?
- Can I Change the VPC for a Public NAT Gateway?
- Does Public NAT Gateway Support IPv6 Addresses?
- What Security Policies Can I Configure to Implement Access Control If I Use a Public NAT Gateway?
- What Can I Do If Connection Between My Servers and the Internet Fails After I Add SNAT and DNAT Rules?
-
Private NAT Gateways
- How Do I Troubleshoot a Network Failure After a Private NAT Gateway Is Configured?
- How Many Private NAT Gateways Can I Create in a VPC?
- Can I Increase the Numbers of SNAT and DNAT Rules Supported by a Private NAT Gateway?
- Can an SNAT and DNAT Rule of a Private NAT Gateway Share the Same Transit IP Address?
- Can Private NAT Gateways Translate On-premises IP Addresses Connected to the Cloud Through Direct Connect?
- What Are the Differences Between Private NAT Gateways and Public NAT Gateways?
- How Is Private NAT Gateway Billed?
- Can a Private NAT Gateway Be Used Across Accounts?
-
SNAT Rules
- Why Do I Need SNAT?
- What Are SNAT Connections?
- What Is the Bandwidth of a Public NAT Gateway Used by a Server to Access the Internet? How Do I Configure the Bandwidth?
- How Do I Resolve Packet Loss or Connection Failure Issues When Using a NAT Gateway?
- What Should I Do If My ECS Fails to Access a Server on the Public Network Through a Public NAT Gateway?
- What Are the Relationships and Differences Between the CIDR Blocks in a NAT Gateway and in an SNAT Rule?
- DNAT Rules
-
Public NAT Gateways
- SDK Reference
On this page
Help Center/
NAT Gateway/
Getting Started/
Allowing a Private Network to Access the Internet Using SNAT/
Step 4: Test the Connection
Step 4: Test the Connection
Updated on 2023-03-17 GMT+08:00
Scenarios
After adding an SNAT rule, you can perform the following steps to verify the connection:
- Verify that the SNAT rule has been added for the public NAT gateway.
- Verify that servers that have no EIP bound can access the Internet through the NAT gateway.
Prerequisites
An SNAT rule has been added.
Verifying that the SNAT Rule Has Been Added
- Log in to the management console.
- Click
in the upper left corner and select the desired region and project. - Click Service List in the upper left corner. Under Networking, select NAT Gateway.
- On the Public NAT Gateways page, click the name of the public NAT gateway.
- In the SNAT Rules tab, view details about the SNAT rule.
If Status of the SNAT rule is Running, the SNAT rule has been created.
Verifying that Servers Can Access the Internet Through the NAT Gateway
- Log in to the management console.
- Click in the upper left corner and select the desired region and project.
- Hover on
in the upper left corner to display Service List and choose Compute > Elastic Cloud Server. - Log in to the server.
- Verify that the server can access the Internet.
Figure 1 Verification result
Figure 2 Failed to access the Internet
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