DescribeNatGateways - API Reference| Alibaba Cloud Documentation Center

Usage notes

You can call this operation to query an Internet NAT gateway or a Virtual Private Cloud (VPC) NAT gateway. The term "NAT gateway" in this topic refers to both NAT gateway types.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters


Parameter	Type	Required	Example	Description
Action	String	Yes	DescribeNatGateways	The operation that you want to perform. Set the value to DescribeNatGateways.
RegionId	String	Yes	cn-hangzhou	The region ID of the NAT gateway that you want to query. You can call the DescribeRegions operation to query the most recent region list.
NatGatewayId	String	No	ngw-bp1uewa15k4iy5770****	The ID of the NAT gateway.
VpcId	String	No	vpc-bp15zckdt37pq72z****	The ID of the VPC to which the NAT gateway belongs.
Name	String	No	test	The name of the NAT gateway.
InstanceChargeType	String	No	PostPaid	The billing method of the NAT gateway. Set the value to PostPaid, which specifies the pay-as-you-go billing method.
Spec	String	No	Example value for the Alibaba Cloud China site: Small. If you use the Alibaba Cloud International site, ignore this parameter.	The size of the NAT gateway. Ignore this parameter.
NatType	String	No	Enhanced	The type of NAT gateway. Set the value to Enhanced (enhanced NAT gateway).
ResourceGroupId	String	No	rg-bp67acfmxazb4ph****	The ID of the resource group to which the NAT gateway belongs.
PageNumber	Integer	No	10	The number of the page to return. Default value: 1.
PageSize	Integer	No	1	The number of entries returned per page. Maximum value: 50. Default value: 10.
DryRun	Boolean	No	true	Specifies whether only to precheck the request. Valid values: true: checks the request without performing the operation. The system checks whether your AccessKey pair is valid, whether the Resource Access Management (RAM) user is authorized, and whether the required parameters are set. If the request fails to pass the precheck, the corresponding error message is returned. If the request passes the precheck, the `DryRunOperation` error code is returned. false: prechecks the request. This is the default value. After the request passes the precheck, a 2xx HTTP status code is returned and resources are queried.
Status	String	No	Available	The status of the NAT gateway. Valid values: Creating: After you send a request to create a NAT gateway, the system creates the NAT gateway in the background. The NAT gateway remains in the Creating state until the operation is completed. Available: The NAT gateway remains in a stable state after the NAT gateway is created. Modifying: After you send a request to modify a NAT gateway, the system modifies the NAT gateway in the background. The NAT gateway remains in the Modifying state until the operation is completed. Deleting: After you send a request to delete a NAT gateway, the system deletes the NAT gateway in the background. The NAT gateway remains in the Deleting state until the operation is completed. Converting: After you send a request to upgrade a standard NAT gateway to an enhanced NAT gateway, the system upgrades the NAT gateway in the background. The NAT gateway remains in the Converting state until the operation is completed.
NetworkType	String	No	internet	The type of the NAT gateway. Valid values: internet: an Internet NAT gateway intranet: a VPC NAT gateway
ZoneId	String	No	cn-hangzhou-b	The ID of the zone to which the NAT gateway belongs.

Response parameters


Parameter	Type	Example	Description
PageSize	Integer	10	The number of entries returned per page.
RequestId	String	4EC47282-1B74-4534-BD0E-403F3EE64CAF	The ID of the request.
PageNumber	Integer	10	The page number of the returned page.
TotalCount	Integer	10	The number of NAT gateway entries that are returned.
NatGateways	Array of NatGateway		The details about the NAT gateway.
NatGateway
Status	String	Creating	The status of the NAT gateway. Valid values: Creating: After you send a request to create a NAT gateway, the system creates the NAT gateway in the background. The NAT gateway remains in the Creating state until the operation is completed. Available: The NAT gateway remains in a stable state after the NAT gateway is created. Modifying: After you send a request to modify a NAT gateway, the system modifies the NAT gateway in the background. The NAT gateway remains in the Modifying state until the operation is completed. Deleting: After you send a request to delete a NAT gateway, the system deletes the NAT gateway in the background. The NAT gateway remains in the Deleting state until the operation is completed. Converting: After you send a request to upgrade a standard NAT gateway to an enhanced NAT gateway, the system upgrades the NAT gateway in the background. The NAT gateway remains in the Converting state until the operation is completed.
CreationTime	String	2021-06-08T12:20:20Z	The time when the NAT gateway was created.
VpcId	String	vpc-bp15zckdt37pq72z****	The ID of the VPC where the NAT gateway is deployed.
NatType	String	Enhanced	The type of the NAT gateway. The value is set to Enhanced (enhanced NAT gateway).
AutoPay	Boolean	false	Indicates whether automatic payment is enabled. Valid values: false: no true: yes
Spec	String	Small	The size of the NAT gateway. An empty value is returned for the parameter.
DeletionProtection	Boolean	true	Indicates whether the deletion protection feature is enabled. Valid values: true: yes false: no
NetworkType	String	internet	The type of NAT gateway. Valid values: internet: an Internet NAT gateway intranet: a VPC NAT gateway
SecurityProtectionEnabled	Boolean	false	Indicates whether the firewall feature is enabled. Valid values: false: no true: yes
InstanceChargeType	String	PostPaid	The billing method of the NAT gateway. Set the value to PostPaid, which specifies the pay-as-you-go billing method.
RegionId	String	cn-hangzhou	The ID of the region where the NAT gateway is deployed.
EcsMetricEnabled	Boolean	true	Indicates whether the traffic monitoring feature is enabled. Valid values: true: yes false: no
IcmpReplyEnabled	Boolean	false	Indicates whether the ICMP non-retrieval feature is enabled. Valid values: true: yes false: no
Description	String	NAT	The description of the NAT gateway.
ExpiredTime	String	2021-08-26T16:00Z	The time when the NAT gateway expires.
ResourceGroupId	String	rg-bp67acfmxazb4ph****	The ID of the resource group to which the instance belongs.
NatGatewayId	String	ngw-bp1047e2d4z7kf2ki****	The ID of the NAT gateway.
InternetChargeType	String	PayByLcu	The metering method for the NAT gateway. Valid values: PayBySpec: pay-by-specification PayByLcu: pay-by-CU
BusinessStatus	String	Normal	The status of the NAT gateway. Valid values: Normal: normal FinancialLocked: locked due to overdue payments
Name	String	abc	The name of the NAT gateway.
IpLists	Array of IpList		The IP address information about the NAT gateway.
IpList
UsingStatus	String	UsedByForwardTable	The status of the elastic IP address (EIP) associated with the NAT gateway. Valid values: UsedByForwardTable: The EIP is specified in a DNAT entry. UsedBySnatTable: The EIP is specified in an SNAT entry. UsedByForwardSnatTable: The EIP is specified in both an SNAT entry and a DNAT entry. Idle: The EIP is not specified in a DNAT or SNAT entry.
IpAddress	String	116.62.XX.XX	The IP address of the EIP associated with the NAT gateway.
SnatEntryEnabled	Boolean	false	Indicates whether EIPs specified in DNAT entries can be specified in SNAT entries. Valid values: true: yes false: no
AllocationId	String	eip-m5egzuvp3dgixen6****	The ID of the EIP associated with the NAT gateway.
PrivateIpAddress	String	192.168.XX.XX	The private IP address of the NAT gateway.
ForwardTableIds	Array of String	ftb-uf6gj3mhsg94qsqst****	The ID of the DNAT table.
SnatTableIds	Array of String	stb-uf6dalcdu0krz423p****	The ID of the SNAT table of the NAT gateway.
FullNatTableIds	Array of String	fulltb-gw88z7hhlv43rmb26****	The ID of the FULLNAT table.
NatGatewayPrivateInfo	Object		The private network information about the enhanced Internet NAT gateway. Note If NatType is set to Normal, all parameters returned in this list are empty.
VswitchId	String	vsw-bp1s2laxhdf9ayjbo****	The ID of the vSwitch to which the NAT gateway belongs.
EniInstanceId	String	eni-m5eg4ozy5st8q3q4****	The ID of the elastic network interface (ENI).
MaxBandwidth	Integer	5120	The maximum bandwidth. Unit: Mbit/s.
PrivateIpAddress	String	192.168.XX.XX	The private IP address.
IzNo	String	cn-hangzhou-b	The zone to which the NAT gateway belongs.
EniType	String	indirect	The mode in which the ENI is associated with the NAT gateway. indirect: non-cut-through mode If an empty value is returned, it indicates that the cut-through mode is used.
PrivateLinkEnabled	Boolean	true	Indicates whether the NAT gateway supports PrivateLink. Valid values: true: yes false: no
PrivateLinkMode	String	FullNat	The mode that is used by PrivateLink. Valid values: FullNat: the FULLNAT mode Geneve: the GENEVE mode

Examples

Sample requests

http(s)://[Endpoint]/?Action=DescribeNatGateways
&RegionId=cn-hangzhou
&NatGatewayId=ngw-bp1uewa15k4iy5770****
&VpcId=vpc-bp15zckdt37pq72z****
&Name=test
&InstanceChargeType=PostPaid
Example value for the Spec parameter: Small. You can use this value on the Alibaba Cloud China site. If you use the Alibaba Cloud International site, ignore this parameter.
&NatType=Enhanced
&ResourceGroupId=rg-bp67acfmxazb4ph****
&PageNumber=10
&PageSize=1
&DryRun=true
&Status=Available
&NetworkType=internet
&ZoneId=cn-hangzhou-b
&Common request parameters

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<DescribeNatGatewaysResponse>
    <PageSize>10</PageSize>
    <RequestId>4EC47282-1B74-4534-BD0E-403F3EE64CAF</RequestId>
    <PageNumber>10</PageNumber>
    <TotalCount>10</TotalCount>
    <NatGateways>
        <Status>Creating</Status>
        <CreationTime>2021-06-08T12:20:20Z</CreationTime>
        <VpcId>vpc-bp15zckdt37pq72z****</VpcId>
        <NatType>Enhanced</NatType>
        <Spec>Small</Spec>
        <DeletionProtection>true</DeletionProtection>
        <NetworkType>internet</NetworkType>
        <SecurityProtectionEnabled>false</SecurityProtectionEnabled>
        <InstanceChargeType>PostPaid</InstanceChargeType>
        <RegionId>cn-hangzhou</RegionId>
        <EcsMetricEnabled>true</EcsMetricEnabled>
        <IcmpReplyEnabled>false</IcmpReplyEnabled>
        <Description>NAT</Description>
        <ExpiredTime>2021-08-26T16:00Z</ExpiredTime>
        <ResourceGroupId>rg-bp67acfmxazb4ph****</ResourceGroupId>
        <NatGatewayId>ngw-bp1047e2d4z7kf2ki****</NatGatewayId>
        <InternetChargeType>PayByLcu</InternetChargeType>
        <BusinessStatus>Normal</BusinessStatus>
        <Name>abc</Name>
        <IpLists>
            <IpAddress>116.62.XX.XX</IpAddress>
            <SnatEntryEnabled>false</SnatEntryEnabled>
            <PrivateIpAddress>192.168.XX.XX</PrivateIpAddress>
        </IpLists>
        <ForwardTableIds>ftb-uf6gj3mhsg94qsqst****</ForwardTableIds>
        <SnatTableIds>stb-uf6dalcdu0krz423p****</SnatTableIds>
        <FullNatTableIds>fulltb-gw88z7hhlv43rmb26****</FullNatTableIds>
        <NatGatewayPrivateInfo>
            <VswitchId>vsw-bp1s2laxhdf9ayjbo****</VswitchId>
            <EniInstanceId>eni-m5eg4ozy5st8q3q4****</EniInstanceId>
            <MaxBandwidth>5120</MaxBandwidth>
            <PrivateIpAddress>192.168.XX.XX</PrivateIpAddress>
            <IzNo>cn-hangzhou-b</IzNo>
            <EniType>indirect</EniType>
        </NatGatewayPrivateInfo>
        <PrivateLinkEnabled>true</PrivateLinkEnabled>
        <PrivateLinkMode>FullNat</PrivateLinkMode>
    </NatGateways>
</DescribeNatGatewaysResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "PageSize" : 10,
  "RequestId" : "4EC47282-1B74-4534-BD0E-403F3EE64CAF",
  "PageNumber" : 10,
  "TotalCount" : 10,
  "NatGateways" : [ {
    "Status" : "Creating",
    "CreationTime" : "2021-06-08T12:20:20Z",
    "VpcId" : "vpc-bp15zckdt37pq72z****",
    "NatType" : "Enhanced",
    "Spec" : "Small",
    "DeletionProtection" : true,
    "NetworkType" : "internet",
    "SecurityProtectionEnabled" : false,
    "InstanceChargeType" : "PostPaid",
    "RegionId" : "cn-hangzhou",
    "EcsMetricEnabled" : true,
    "IcmpReplyEnabled" : false,
    "Description" : "NAT",
    "ExpiredTime" : "2021-08-26T16:00Z",
    "ResourceGroupId" : "rg-bp67acfmxazb4ph****",
    "NatGatewayId" : "ngw-bp1047e2d4z7kf2ki****",
    "InternetChargeType" : "PayByLcu",
    "BusinessStatus" : "Normal",
    "Name" : "abc",
    "IpLists" : [ {
      "IpAddress" : "116.62.XX.XX",
      "SnatEntryEnabled" : false,
      "PrivateIpAddress" : "192.168.XX.XX"
    } ],
    "ForwardTableIds" : [ "ftb-uf6gj3mhsg94qsqst****" ],
    "SnatTableIds" : [ "stb-uf6dalcdu0krz423p****" ],
    "FullNatTableIds" : [ "fulltb-gw88z7hhlv43rmb26****" ],
    "NatGatewayPrivateInfo" : {
      "VswitchId" : "vsw-bp1s2laxhdf9ayjbo****",
      "EniInstanceId" : "eni-m5eg4ozy5st8q3q4****",
      "MaxBandwidth" : 5120,
      "PrivateIpAddress" : "192.168.XX.XX",
      "IzNo" : "cn-hangzhou-b",
      "EniType" : "indirect"
    },
    "PrivateLinkEnabled" : true,
    "PrivateLinkMode" : "FullNat"
  } ]
}

Error codes


HttpCode	Error code	Error message	Description
404	InvalidRegionId.NotFound	The specified RegionId does not exist in our records.	The error message returned because the specified region ID does not exist.

For a list of error codes, visit the API Error Center.