Updated on 2026-06-22 GMT+08:00

Querying the NIC Status

Function

This API is used to check the NIC status.

Calling Method

For details, see Calling APIs.

URI

GET /v1.0/{project_id}/dms/net

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. To obtain the value, see Obtaining a Project ID.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

cluster_id

No

String

Definition

Cluster ID. For details about how to obtain the value, see Obtaining the Cluster ID.

Constraints

The value must be a valid DWS cluster ID.

Range

It is a 36-digit UUID.

Default Value

N/A

instance_name

No

String

Definition

Instance name.

Constraints

N/A

Range

N/A

Default Value

N/A

limit

No

Integer

Definition

Size of a single page.

Constraints

N/A

Range

Greater than 0

Default Value

No limit.

offset

No

Integer

Definition

Page offset, which starts from 0 (page number minus 1).

Constraints

N/A

Range

Greater than or equal to 0

Default Value

0

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

[items]

Array of NetResp objects

Definition

NIC status response body.

Range

N/A

Table 4 NetResp

Parameter

Type

Description

virtual_cluster_id

Integer

Definition

Virtual cluster ID.

Range

N/A

ctime

Long

Definition

Query time.

Range

N/A

host_id

Integer

Definition

Host ID.

Range

N/A

host_name

String

Definition

Host name.

Range

N/A

instance_name

String

Definition

Instance name.

Range

N/A

up

Boolean

Definition

NIC status.

Range

true: The NIC is in the Up status.

false: The NIC is in the Down state.

speed

Long

Definition

NIC speed (Mbps).

Range

N/A

recv_packets

Long

Definition

Number of received packets.

Range

N/A

send_packets

Long

Definition

Number of transmitted packets

Range

N/A

recv_drop

Long

Definition

Number of lost packets.

Range

N/A

recv_rate

Double

Definition

Receive rate (KB/s).

Range

N/A

send_rate

Double

Definition

Transmit rate (KB/s).

Range

N/A

io_rate

Double

Definition

Network speed (KB/s).

Range

N/A

interface_name

String

Definition

NIC name.

Range

N/A

Example Requests

https://10.95.226.104:31521/v1.0/05f2cff45100d5112f4bc00b794ea08e/dms/net?limit=1&offset=0

Example Responses

Status code: 200

NIC status queried.

[ {
  "virtual_cluster_id" : 23,
  "ctime" : 1668071223000,
  "host_id" : 34,
  "host_name" : "host-172-16-11-62",
  "instance_name" : "dms-test07-dws-cn-cn-1-1",
  "interface_name" : "eth2",
  "up" : true,
  "speed" : -1,
  "recv_packets" : 490595835,
  "send_packets" : 533376765,
  "recv_drop" : 0,
  "recv_rate" : 16.35,
  "send_rate" : 11.71,
  "io_rate" : null
} ]

SDK Sample Code

The SDK sample code is as follows.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dws.v2.region.DwsRegion;
import com.huaweicloud.sdk.dws.v2.*;
import com.huaweicloud.sdk.dws.v2.model.*;


public class ListHostNetSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListHostNetRequest request = new ListHostNetRequest();
        try {
            ListHostNetResponse response = client.listHostNet(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdws.v2.region.dws_region import DwsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdws.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = DwsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DwsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListHostNetRequest()
        response = client.list_host_net(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := dws.NewDwsClient(
        dws.DwsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListHostNetRequest{}
	response, err := client.ListHostNet(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

NIC status queried.

400

Request error.

401

Authentication failed.

403

You do not have required permissions.

404

No resources found.

500

Internal server error.

503

Service unavailable.