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    Cloud Firewall:DescribeTrFirewallsV2Detail

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    Cloud Firewall:DescribeTrFirewallsV2Detail

    Last Updated:Feb 06, 2026

    Queries the details of a VPC firewall for a transit router.

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    Test

    RAM authorization

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

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    Lang

    string

    No

    The language of the response. Valid values:

    • zh (default): Chinese

    • en: English

    zh
    FirewallId

    string

    No

    The ID of the VPC firewall instance.

    vfw-tr-a5a6b89f46764928****

    Response elements

    Element

    Type

    Description

    Example

    object

    FirewallName

    string

    The name of the VPC firewall instance.

    cloudfirewall-manual
    RequestId

    string

    The ID of the request.

    7E53A7FB-3EB9-5E33-8E50-B8F417D1E02B
    FirewallId

    string

    The ID of the VPC firewall instance.

    vfw-tr-9c7c711abdfa4d80****
    FirewallStatus

    string

    The status of the firewall. Valid values:

    • Creating: The firewall is being created.

    • Deleting: The firewall is being deleted.

    • Ready: The firewall is ready.

    Ready
    CenId

    string

    The ID of the Cloud Enterprise Network (CEN) instance.

    cen-37nddhri7jf0d2****
    TransitRouterId

    string

    The ID of the transit router instance.

    tr-wz9y8sgug8b1xb416****
    RegionNo

    string

    The region ID of the transit router instance.

    cn-shanghai
    FirewallEniId

    string

    The ID of the elastic network interface (ENI) of the firewall.

    eni-uf621u00nafypeex****
    FirewallEniVpcId

    string

    The ID of the VPC to which the ENI of the firewall belongs.

    vpc-2zeppcci782zeh2bk****
    FirewallEniVswitchId

    string

    The ID of the vSwitch to which the ENI of the firewall belongs.

    vsw-uf6ptq1kl1c1d9pw9****
    FirewallDescription

    string

    The description of the firewall.

    VPC边界防火墙
    RouteMode

    string

    The routing mode. Valid values:

    • managed: automatic mode

    • manual: manual mode

    managed
    FirewallSwitchStatus

    string

    The status of the VPC firewall. Valid values:

    • opened: The firewall is enabled.

    • closed: The firewall is disabled.

    • notconfigured: The firewall is not configured.

    • configured: The firewall is configured.

    • creating: The firewall is being created.

    • opening: The firewall is being enabled.

    • deleting: The firewall is being deleted.

    Note

    If you do not specify this parameter, VPC firewalls in all states are queried.

    opened
    FirewallVpcCidr

    string

    The CIDR block of the VPC that is automatically created for the firewall in automatic mode.

    10.0.0.0/16
    FirewallSubnetCidr

    string

    The CIDR block of the vSwitch that is automatically created in the firewall VPC to host the ENI of the firewall in automatic mode.

    10.0.1.0/24
    TrAttachmentMasterCidr

    string

    The primary CIDR block of the vSwitch that is automatically created in the firewall VPC to connect to the transit router in automatic mode.

    10.0.2.0/24
    TrAttachmentSlaveZone

    string

    The secondary zone of the vSwitch that is automatically created in the firewall VPC to connect to the transit router in automatic mode.

    cn-hangzhou-i
    TrAttachmentSlaveCidr

    string

    The secondary CIDR block of the vSwitch that is automatically created in the firewall VPC to connect to the transit router in automatic mode.

    10.0.3.0/24
    TrAttachmentMasterZone

    string

    The primary zone of the vSwitch that is automatically created in the firewall VPC to connect to the transit router in automatic mode.

    cn-hangzhou-h
    TrAttachmentId

    string

    The ID of the transit router attachment.

    tr-attach-r1llaxxeha71jsm36v

    Examples

    Success response

    JSON format

    {
  "FirewallName": "cloudfirewall-manual",
  "RequestId": "7E53A7FB-3EB9-5E33-8E50-B8F417D1E02B",
  "FirewallId": "vfw-tr-9c7c711abdfa4d80****",
  "FirewallStatus": "Ready",
  "CenId": "cen-37nddhri7jf0d2****",
  "TransitRouterId": "tr-wz9y8sgug8b1xb416****",
  "RegionNo": "cn-shanghai",
  "FirewallEniId": "eni-uf621u00nafypeex****",
  "FirewallEniVpcId": "vpc-2zeppcci782zeh2bk****",
  "FirewallEniVswitchId": "vsw-uf6ptq1kl1c1d9pw9****",
  "FirewallDescription": "VPC边界防火墙",
  "RouteMode": "managed",
  "FirewallSwitchStatus": "opened",
  "FirewallVpcCidr": "10.0.0.0/16",
  "FirewallSubnetCidr": "10.0.1.0/24",
  "TrAttachmentMasterCidr": "10.0.2.0/24",
  "TrAttachmentSlaveZone": "cn-hangzhou-i",
  "TrAttachmentSlaveCidr": "10.0.3.0/24",
  "TrAttachmentMasterZone": "cn-hangzhou-h",
  "TrAttachmentId": "tr-attach-r1llaxxeha71jsm36v"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    400 ErrorTrFirewallNotExist Cen TR firewall not exist
    400 ErrorAliUid Aliuid invalid. The aliuid is invalid.
    400 ErrorParameters Error Parameters The parameter is invalid.
    400 ErrorDBTxError A database transaction error occurred. The error message returned because an internal error has occurred in the database transaction.
    400 ErrorAuthentication authentication error The authentication failed.
    400 ErrorDBSelectError A database select error occurred. The error message returned because an internal error has occurred in querying the database.
    400 ErrorDBNoRow No rows in database. No data found.
    400 ErrorMarshalJSON internal error. Internal error.
    400 ErrorUnMarshalJSON internal error. Internal Error

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.