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Solution Advantages Only one public NAT gateway needs to be configured. Servers in the two VPCs can use the same public NAT gateway to communicate with the Internet, saving gateway resources.
Parent Topic: Public NAT Gateway Tags (V3)
Using a Public NAT Gateway and Direct Connect to Accelerate Internet Access Scenarios You need to connect your on-premises data center to Huawei Cloud using Direct Connect and then add SNAT rules to enable your on-premises servers to access the Internet through a public NAT gateway
NAT Gateway（NAT）Service Specific Terms 1. Definitions Service Cycle means a calendar month. Total Time of Service Cycle means the total minutes during every Service Cycle. Service Unavailability means all outgoing data packets of a NAT gateway are discarded within one minute.
Does Public NAT Gateway Support IPv6 Addresses? No. Parent topic: Public NAT Gateways
Can a Private NAT Gateway Be Used Across Accounts? Private NAT gateways cannot be used across accounts. However, you can use a VPC peering connection to connect transit VPCs of the two accounts.
What Are the Relationships and Differences Between the CIDR Blocks in a NAT Gateway and in an SNAT Rule? When creating a NAT gateway, you must specify the VPC and subnet CIDR block for the NAT gateway. This CIDR block can only be used by the system.
Configuring a NAT Gateway Prerequisites A NAT gateway has been purchased and its VPC has not been associated with any cloud resources (such as cloud servers). If there are no NAT gateways available, buy a public NAT gateway. For details about NAT gateway pricing, see Billing.
Private NAT Gateway - Transit IP Address Permission API Action IAM Project Enterprise Project Assigning a Transit IP Address POST /v3/{project_id}/private-nat/transit-ips nat:transitIps:create √ √ Querying a Transit IP Address GET /v3/{project_id}/private-nat/transit-ips/{transit_ip_id
The value can be: ACTIVE: The public NAT gateway is available. PENDING_CREATE: The public NAT gateway is being created. PENDING_UPDATE: The public NAT gateway is being updated. PENDING_DELETE: The public NAT gateway is being deleted.
Parent Topic: Private NAT Gateway Tags
Private NAT Gateway - Transit IP Address Tag Permission API Action IAM Project Enterprise Project Querying Transit IP Addresses by Tag POST /v3/{project_id}/transit-ips/resource_instances/action nat:transitIpTags:list √ × Batch Adding or Deleting Tags to or from a Transit IP Address
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. If you use a token for authentication, you must obtain the token and add X-Auth-Token to the request header when making an API call.
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. If you use a token for authentication, you must obtain the token and add X-Auth-Token to the request header when making an API call.
What Should I Do If I Fail to Access the Internet Through a Public NAT Gateway? If your server cannot access the Internet through a public NAT gateway, you may have configured the VPC route table incorrectly.
Parent Topic: Public NAT Gateway Tags (V3)
Step 2: Create a Public NAT Gateway Go to the Buy Public NAT Gateway page. On the Buy Public NAT Gateway page, configure required parameters.
Associating an ECS with both an EIP and a public NAT gateway is not recommended. Parent topic: Public NAT Gateways
What Is the Relationship Between a VPC, Public NAT Gateway, EIP Bandwidth, and ECS? A VPC is a secure, isolated, logical network environment. A public NAT gateway enables ECSs in a VPC to access the Internet.
How Do I Resolve Packet Loss or Connection Failure Issues When Using a NAT Gateway? If packet loss or connection failures occur on a server that uses the NAT gateway to access the Internet, you can check the SNAT connections on the Cloud Eye console.
