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    NAT Gateway:ModifyFullNatEntryAttribute

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    NAT Gateway:ModifyFullNatEntryAttribute

    Last Updated:Aug 28, 2026

    Modifies the attributes of a FULLNAT entry in a VPC NAT gateway.

    Operation description

    • ModifyFullNatEntryAttribute is an asynchronous operation. The system returns a request ID immediately and runs the task in the background. Call ListFullNatEntries to query the FULLNAT entry status:

      • Modifying: the entry is being modified. You can query but not modify it.

      • Available: the modification is complete.

    • You cannot call ModifyFullNatEntryAttribute repeatedly to modify the same FULLNAT entry within a short period of time.

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    RAM authorization

    No authorization for this operation. If you encounter issues with this operation, contact technical support.

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    ClientToken

    string

    No

    Client token for request idempotence. Must be unique across requests and contain only ASCII characters.

    Note

    If not specified, the system uses the request ID as the client token. The request ID may differ for each request.

    5A2CFF0E-5718-45B5-9D4D-70B3FF3898
    FullNatTableId

    string

    Yes

    ID of the FULLNAT table to modify.

    fulltb-gw88z7hhlv43rmb26****
    FullNatEntryId

    string

    Yes

    ID of the FULLNAT entry to modify.

    fullnat-gw8fz23jezpbblf1j****
    NetworkInterfaceId

    string

    No

    ID of the elastic network interface (ENI) to modify.

    eni-gw8g131ef2dnbu3k****
    NatIp

    string

    No

    NAT IP address to modify.

    192.168.XX.XX
    NatIpPort

    string

    No

    Frontend port for FULLNAT port mapping. Valid values: 1 to 65535.

    80
    AccessIp

    string

    No

    Backend IP address for FULLNAT address translation.

    192.168.XX.XX
    AccessPort

    string

    No

    Backend port for FULLNAT port mapping. Valid values: 1 to 65535.

    80
    IpProtocol

    string

    No

    Protocol for port forwarding. Valid values:

    • TCP

    • UDP

    TCP
    FullNatEntryName

    string

    No

    New name for the FULLNAT entry. 2 to 128 characters. Must start with a letter and cannot start with http:// or https://.

    modify
    FullNatEntryDescription

    string

    No

    New description for the FULLNAT entry. Optional. If specified, must be 2 to 256 characters and cannot start with http:// or https://.

    abcd
    DryRun

    boolean

    No

    Whether to perform a dry run without executing the request. Valid values:

    • true: performs a dry run. The system validates the request for missing parameters, syntax errors, and service limits. If validation fails, an error message is returned. If validation passes, the DryRunOperation error code is returned.

    • false: performs validation and executes the request. If validation passes, a 2xx HTTP status code is returned.

    false
    RegionId

    string

    Yes

    Region ID of the VPC NAT gateway that contains the FULLNAT entry. Call DescribeRegions to query available regions.

    eu-central-1
    AccessDomain

    string

    No

    Backend domain name for FULLNAT address translation.

    xxx.com

    Response elements

    Element

    Type

    Description

    Example

    object

    The request ID.

    RequestId

    string

    The request ID.

    2315DEB7-5E92-423A-91F7-4C1EC9AD97C3

    Examples

    Success response

    JSON format

    {
  "RequestId": "2315DEB7-5E92-423A-91F7-4C1EC9AD97C3"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    400 ResourceNotFound.NetworkInterfaceId The specified resource is not found. The specified resource is not found.
    400 ResourceAlreadyExist.FullNatEntry The specified resource of %s is already exist. The FULLNAT rule already exists.
    400 IncorrectStatus.NatIp The status of %s [%s] is incorrect. The status of NatIp is incorrect.
    400 UnsupportedFeature.PrivateLinkMode The feature of %s is not supported. The feature of reverse access is not supported.
    400 DependencyViolation.PrivateLinkMode The specified resource of %s depends on %s, so the operation cannot be completed. The %s resource depends on %s.
    400 IllegalParam.AccessDomain The request parameter AccessDomain is illegal. The AccessDomain parameter in the request parameter is invalid.
    400 ExclusiveParam.AccessIpAndAccessDomain The specified AccessIp and AccessDomain are mutually exclusive. The specified input AccessIp conflicts with the AccessDomain.
    400 InstanceUnsupported.FullNatDomain The current instance does not support the configuration of the FullNat rule domain name. The current instance does not support the configuration of the FullNat rule domain name.
    400 ZoneUnsupported.FullNatDomain The current zone does not support the configuration of the FullNat rule domain name. The current zone does not support the configuration of the FullNat rule domain name.

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.