Help Center/ Direct Connect/ API Reference/ API/ Virtual Interfaces/ Creating a Virtual Interface
Updated on 2024-11-14 GMT+08:00
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Creating a Virtual Interface

Function

This API is used to create a virtual interface.

Debugging

For details, see Calling APIs.

URI

POST /v3/{project_id}/dcaas/virtual-interfaces

Table 1 Path parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Specifies the project ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Specifies the user token. To obtain the token, see section "Obtaining the User Token" in the Identity and Access Management API Reference. The token is the value of X-Subject-Token in the response header.

Minimum: 0

Maximum: 10240
Table 3 Request body parameters

Parameter

Mandatory

Type

Description

virtual_interface

Yes

CreateVirtualInterface object

Specifies the virtual interface to be created.
Table 4 CreateVirtualInterface

Parameter

Mandatory

Type

Description

name

No

String

Specifies the virtual interface name.

Minimum: 0

Maximum: 64

description

No

String

Provides supplementary information about the virtual interface.

Minimum: 0

Maximum: 128

direct_connect_id

No

String

Specifies the ID of the connection associated with the virtual interface. When creating a virtual interface, you need to specify direct_connect_id or lag_id. This parameter is mandatory when LAG is not supported at the site.

type

Yes

String

Specifies the type of the virtual interface. The value is private.

Enumeration values: private

service_type

No

String

Specifies the gateway type. The value can be VGW, GDGW, or LGW. You do not need to configure this parameter if a virtual gateway is used.

Enumeration values:

  • VGW
  • GDGW
  • LGW

vlan

Yes

Integer

Specifies the customer VLAN to be connected. If you select a hosted connection, the VLAN must be the same as that of the hosted connection.

Minimum: 0

Maximum: 3999

bandwidth

Yes

Integer

Specifies the virtual interface bandwidth.

Minimum: 2

Maximum: 2147483647

local_gateway_v4_ip

No

String

Specifies the IPv4 interface address of the gateway used on the cloud. This parameter is mandatory if address_family is set to an IPv4 address.

remote_gateway_v4_ip

No

String

Specifies the IPv4 interface address of the gateway on the on-premises network. This parameter is mandatory if address_family is set to an IPv4 address.

address_family

No

String

Specifies the address family of the virtual interface. The value can be IPv4 or IPv6.

Default: ipv4

local_gateway_v6_ip

No

String

Specifies the IPv6 interface address of the gateway used on the cloud. This parameter is mandatory if address_family is set to an IPv6 address.

remote_gateway_v6_ip

No

String

Specifies the IPv6 interface address of the gateway on the on-premises network. This parameter is mandatory if address_family is set to an IPv6 address.

vgw_id

Yes

String

Specifies the ID of the virtual gateway connected by the virtual interface.

route_mode

Yes

String

Specifies the routing mode. The value can be static or bgp.

Default: static

Enumeration values:

  • static
  • bgp

bgp_asn

No

Integer

Specifies the ASN of the BGP peer on the customer side.

Minimum: 1

Maximum: 4294967295

bgp_md5

No

String

Specifies the MD5 password of the BGP peer.

remote_ep_group

Yes

Array of strings

Specifies the remote subnet list, which records the CIDR blocks used in the on-premises data center.

service_ep_group

No

Array of strings

Specifies the subnets that access Internet services through a connection.

enable_bfd

No

Boolean

Specifies whether to enable BFD. The value can be true or false.

Default: false

enable_nqa

No

Boolean

Specifies whether to enable NQA. The value can be true or false.

Default: false

lag_id

No

String

Specifies the ID of the LAG associated with the virtual interface.

Minimum: 36

Maximum: 36

resource_tenant_id

No

String

Specifies the project ID of another tenant, which is used to create virtual interfaces across tenants.

enterprise_project_id

No

String

Specifies the ID of the enterprise project that the virtual interface belongs to.

Minimum: 36

Maximum: 36

tags

No

Array of Tag objects

Specifies the tags.

Array length: 0–10
Table 5 Tag

Parameter

Mandatory

Type

Description

key

Yes

String

Specifies the tag key. The key can contain a maximum of 36 Unicode characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.

Minimum: 0

Maximum: 36

value

No

String

Specifies the tag value. The value can contain a maximum of 43 Unicode characters. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Minimum: 0

Maximum: 43

Response Parameters

Status code: 201

Table 6 Response body parameters

Parameter

Type

Description

request_id

String

Specifies the request ID.

virtual_interface

VirtualInterface object

Specifies the virtual interface.
Table 7 VirtualInterface

Parameter

Type

Description

id

String

Specifies the virtual interface ID.

Maximum: 36

name

String

Specifies the virtual interface name.

Maximum: 64

admin_state_up

Boolean

Specifies the administrative status. The value can be true or false.

bandwidth

Integer

Specifies the virtual interface bandwidth.

Minimum: 2

Maximum: 2147483647

create_time

String

Specifies when the virtual interface was created. The UTC time format is yyyy-MM-ddTHH:mm:ss.SSSZ.

Maximum: 255

description

String

Provides supplementary information about the virtual interface.

Maximum: 128

direct_connect_id

String

Specifies the connection ID.

Maximum: 36

service_type

String

Specifies the gateway type. The value can be VGW, GDGW, or LGW.

Enumeration values:

  • VGW
  • GDGW
  • LGW

status

String

Specifies the operating status. The value can be ACTIVE, DOWN, BUILD, ERROR, PENDING_CREATE, PENDING_UPDATE, PENDING_DELETE, DELETED, AUTHORIZATION, or REJECTED.

tenant_id

String

Specifies the project ID.

Minimum: 32

Maximum: 32

type

String

Specifies the type of the virtual interface. The value is private.

Default: private

Maximum: 255

Enumeration values: private

vgw_id

String

Specifies the virtual gateway ID.

Minimum: 36

Maximum: 36

vlan

Integer

Specifies the VLAN for connecting to the customer gateway. The value ranges from 0 to 3999.

Minimum: 0

Maximum: 3999

route_limit

Integer

Specifies the remote subnet route configurations of the virtual interface.

Minimum: 1

Maximum: 200

Default: 50

enable_nqa

Boolean

Specifies whether NQA is enabled. The value can be true or false.

enable_bfd

Boolean

Specifies whether BFD is enabled. The value can be true or false.

lag_id

String

Specifies the ID of the LAG associated with the virtual interface.

Minimum: 36

Maximum: 36

device_id

String

Specifies the ID of the device that the virtual interface belongs to.

enterprise_project_id

String

Specifies the ID of the enterprise project that the virtual interface belongs to.

Minimum: 36

Maximum: 36

tags

Array of Tag objects

Specifies the tags.

Array length: 0–10

local_gateway_v4_ip

String

Specifies the IPv4 interface address of the gateway used on the cloud. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

remote_gateway_v4_ip

String

Specifies the IPv4 interface address of the gateway used on premises. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

ies_id

String

Specifies the edge site ID.

reason

String

Displays error information if the status of a line is Error.

rate_limit

Boolean

Specifies whether rate limiting is enabled on a virtual interface.

address_family

String

Specifies the address family of the virtual interface. The value can be IPv4 or IPv6. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

local_gateway_v6_ip

String

Specifies the IPv6 interface address of the gateway used on the cloud. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

remote_gateway_v6_ip

String

Specifies the IPv6 interface address of the gateway used on premises. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

lgw_id

String

Specifies the ID of the local gateway, which is used in IES scenarios.

gateway_id

String

Specifies the ID of the gateway associated with the virtual interface.

remote_ep_group

Array of strings

Specifies the remote subnet list, which records the CIDR blocks used in the on-premises data center. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

service_ep_group

Array of strings

Specifies the list of public network addresses that can be accessed by the on-premises data center. This field is required in the APIs of public network connections. This parameter has been migrated to the vifpeer parameter list and will be discarded later.

bgp_route_limit

Integer

Specifies the BGP route configuration.

priority

String

Specifies the priority of a virtual interface. The value can be normal or low. If the priorities are the same, the virtual interfaces work in load balancing mode. If the priorities are different, the virtual interfaces work in active/standby pairs. Outbound traffic is preferentially forwarded to the normal virtual interface with a higher priority. This option is only supported by virtual interfaces that use BGP routing.

Default: normal

Enumeration values:

  • normal
  • low

vif_peers

Array of VifPeer objects

Provides information about virtual interface peers.

extend_attribute

VifExtendAttribute object

Provides extended parameter information.
Table 8 Tag

Parameter

Type

Description

key

String

Specifies the tag key. The key can contain a maximum of 36 Unicode characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.

Minimum: 0

Maximum: 36

value

String

Specifies the tag value. The value can contain a maximum of 43 Unicode characters. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Minimum: 0

Maximum: 43
Table 9 VifPeer

Parameter

Type

Description

id

String

Specifies the resource ID.

Minimum: 36

Maximum: 36

tenant_id

String

Specifies the ID of the project that the virtual interface peer belongs to.

Minimum: 36

Maximum: 36

name

String

Specifies the name of the virtual interface peer.

Minimum: 0

Maximum: 64

description

String

Provides supplementary information about the virtual interface peer.

Minimum: 0

Maximum: 128

address_family

String

Specifies the address family of the virtual interface. The value can be IPv4 or IPv6.

local_gateway_ip

String

Specifies the gateway address of the virtual interface peer used on the cloud.

remote_gateway_ip

String

Specifies the gateway of the virtual interface peer used in the on-premises data center.

route_mode

String

Specifies the routing mode. The value can be static or bgp.

Maximum: 255

Enumeration values:

  • bgp
  • static

bgp_asn

Integer

Specifies the ASN of the BGP peer.

Minimum: 1

Maximum: 4294967295

bgp_md5

String

Specifies the MD5 password of the BGP peer.

remote_ep_group

Array of strings

Specifies the remote subnet list, which records the CIDR blocks used in the on-premises data center.

service_ep_group

Array of strings

Specifies the list of public network addresses that can be accessed by the on-premises data center. This field is required in the APIs of public network connections.

device_id

String

Specifies the ID of the device that the virtual interface peer belongs to.

bgp_route_limit

Integer

Specifies the BGP route configuration.

bgp_status

String

Specifies the BGP protocol status of the virtual interface peer. If the virtual interface peer uses static routing, the status is null.

Maximum: 10

status

String

Specifies the status of the virtual interface peer.

vif_id

String

Specifies the ID of the virtual interface corresponding to the virtual interface peer.

Minimum: 36

Maximum: 36

receive_route_num

Integer

Specifies the number of received BGP routes if BGP routing is used. If static routing is used, this parameter is meaningless and the value is -1. If this parameter cannot be obtained, contact customer service to migrate your ports.

enable_nqa

Boolean

Specifies whether NQA is enabled. The value can be true or false.

enable_bfd

Boolean

Specifies whether BFD is enabled. The value can be true or false.
Table 10 VifExtendAttribute

Parameter

Type

Description

ha_type

String

Specifies the availability detection type of the virtual interface.

Enumeration values:

  • nqa
  • bfd

ha_mode

String

Specifies the availability detection mode.

Enumeration values:

  • auto_single
  • auto_multi
  • static_single
  • static_multi
  • enhance_nqa

detect_multiplier

Integer

Specifies the number of detection retries.

Default: 5

min_rx_interval

Integer

Specifies the interval for receiving detection packets.

Default: 1000

min_tx_interval

Integer

Specifies the interval for sending detection packets.

Default: 1000

remote_disclaim

Integer

Specifies the remote identifier of the static BFD session.

local_disclaim

Integer

Specifies the local identifier of the static BFD session.

Example Requests

  • Creating a private virtual interface, with the bandwidth set to 2 Mbit/s, VLAN to 332, local gateway to 1.1.1.1/30, and remote gateway to 1.1.1.2/30, and routing mode to static routing 
    POST https://{dc_endpoint}/v3/0605768a3300d5762f82c01180692873/dcaas/virtual-interfaces

{
  "virtual_interface" : {
    "name" : "vif-0819",
    "description" : "mytest",
    "direct_connect_id" : "4673e339-8412-4ee1-b73e-2ba9cdfa54c1",
    "vgw_id" : "8a47064a-f34c-4f94-b7fe-cac456c9b37b",
    "vlan" : 332,
    "bandwidth" : 2,
    "local_gateway_v4_ip" : "1.1.1.1/30",
    "remote_gateway_v4_ip" : "1.1.1.2/30",
    "type" : "private",
    "route_mode" : "static",
    "remote_ep_group" : [ "1.1.2.0/30" ]
  }
}

Example Responses

Status code: 201

Created 
{
  "virtual_interface" : {
    "id" : "0d0fdf63-f2c4-491c-8866-d504796189be",
    "name" : "vif-0819",
    "description" : "mytest",
    "tenant_id" : "0605768a3300d5762f82c01180692873",
    "direct_connect_id" : "4673e339-8412-4ee1-b73e-2ba9cdfa54c1",
    "vgw_id" : "8a47064a-f34c-4f94-b7fe-cac456c9b37b",
    "type" : "private",
    "service_type" : "VGW",
    "vlan" : 332,
    "bandwidth" : 2,
    "device_id" : "18.9.215.131",
    "status" : "ACTIVE",
    "create_time" : "2022-08-19T11:28:06.000Z",
    "admin_state_up" : true,
    "enable_bfd" : false,
    "route_limit" : 50,
    "enable_nqa" : false,
    "local_gateway_v4_ip" : "1.1.1.1/30",
    "remote_gateway_v4_ip" : "1.1.1.2/30",
    "ies_id" : null,
    "reason" : null,
    "rate_limit" : false,
    "local_gateway_v6_ip" : null,
    "remote_gateway_v6_ip" : null,
    "lgw_id" : null,
    "lag_id" : null,
    "priority" : "normal",
    "vif_peers" : [ {
      "id" : "c768eb52-12a8-4859-9b43-81194643040c",
      "tenant_id" : "0605768a3300d5762f82c01180692873",
      "name" : "vif-0819",
      "description" : "",
      "address_family" : "ipv4",
      "local_gateway_ip" : "1.1.1.1/30",
      "remote_gateway_ip" : "1.1.1.2/30",
      "route_mode" : "static",
      "bgp_asn" : null,
      "bgp_md5" : null,
      "device_id" : "18.9.215.131",
      "bgp_route_limit" : 100,
      "bgp_status" : null,
      "status" : "ACTIVE",
      "vif_id" : "0d0fdf63-f2c4-491c-8866-d504796189be",
      "receive_route_num" : -1,
      "remote_ep_group" : [ "1.1.2.0/30" ],
      "enable_bfd" : false,
      "enable_nqa" : false,
      "service_ep_group" : null
    } ],
    "enterprise_project_id" : "0"
  },
  "request_id" : "5633df7af874576d819a481c76673236"
}

SDK Sample Code

The SDK sample code is as follows.

Creating a private virtual interface, with the bandwidth set to 2 Mbit/s, VLAN to 332, local gateway to 1.1.1.1/30, and remote gateway to 1.1.1.2/30, and routing mode to static routing

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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.dc.v3.region.DcRegion;
import com.huaweicloud.sdk.dc.v3.*;
import com.huaweicloud.sdk.dc.v3.model.*;

import java.util.List;
import java.util.ArrayList;

public class CreateVirtualInterfaceSolution {

    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");

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

        DcClient client = DcClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcRegion.valueOf("<YOUR REGION>"))
                .build();
        CreateVirtualInterfaceRequest request = new CreateVirtualInterfaceRequest();
        CreateVirtualInterfaceRequestBody body = new CreateVirtualInterfaceRequestBody();
        List<String> listVirtualInterfaceRemoteEpGroup = new ArrayList<>();
        listVirtualInterfaceRemoteEpGroup.add("1.1.2.0/30");
        CreateVirtualInterface virtualInterfacebody = new CreateVirtualInterface();
        virtualInterfacebody.withName("vif-0819")
            .withDescription("mytest")
            .withDirectConnectId("4673e339-8412-4ee1-b73e-2ba9cdfa54c1")
            .withType(CreateVirtualInterface.TypeEnum.fromValue("private"))
            .withVlan(332)
            .withBandwidth(2)
            .withLocalGatewayV4Ip("1.1.1.1/30")
            .withRemoteGatewayV4Ip("1.1.1.2/30")
            .withVgwId("8a47064a-f34c-4f94-b7fe-cac456c9b37b")
            .withRouteMode(CreateVirtualInterface.RouteModeEnum.fromValue("static"))
            .withRemoteEpGroup(listVirtualInterfaceRemoteEpGroup);
        body.withVirtualInterface(virtualInterfacebody);
        request.withBody(body);
        try {
            CreateVirtualInterfaceResponse response = client.createVirtualInterface(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());
        }
    }
}

Creating a private virtual interface, with the bandwidth set to 2 Mbit/s, VLAN to 332, local gateway to 1.1.1.1/30, and remote gateway to 1.1.1.2/30, and routing mode to static routing

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdc.v3.region.dc_region import DcRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdc.v3 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.getenv("CLOUD_SDK_AK")
    sk = os.getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = CreateVirtualInterfaceRequest()
        listRemoteEpGroupVirtualInterface = [
            "1.1.2.0/30"
        ]
        virtualInterfacebody = CreateVirtualInterface(
            name="vif-0819",
            description="mytest",
            direct_connect_id="4673e339-8412-4ee1-b73e-2ba9cdfa54c1",
            type="private",
            vlan=332,
            bandwidth=2,
            local_gateway_v4_ip="1.1.1.1/30",
            remote_gateway_v4_ip="1.1.1.2/30",
            vgw_id="8a47064a-f34c-4f94-b7fe-cac456c9b37b",
            route_mode="static",
            remote_ep_group=listRemoteEpGroupVirtualInterface
        )
        request.body = CreateVirtualInterfaceRequestBody(
            virtual_interface=virtualInterfacebody
        )
        response = client.create_virtual_interface(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Creating a private virtual interface, with the bandwidth set to 2 Mbit/s, VLAN to 332, local gateway to 1.1.1.1/30, and remote gateway to 1.1.1.2/30, and routing mode to static routing

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package main

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

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

    client := dc.NewDcClient(
        dc.DcClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateVirtualInterfaceRequest{}
	var listRemoteEpGroupVirtualInterface = []string{
        "1.1.2.0/30",
    }
	nameVirtualInterface:= "vif-0819"
	descriptionVirtualInterface:= "mytest"
	directConnectIdVirtualInterface:= "4673e339-8412-4ee1-b73e-2ba9cdfa54c1"
	localGatewayV4IpVirtualInterface:= "1.1.1.1/30"
	remoteGatewayV4IpVirtualInterface:= "1.1.1.2/30"
	virtualInterfacebody := &model.CreateVirtualInterface{
		Name: &nameVirtualInterface,
		Description: &descriptionVirtualInterface,
		DirectConnectId: &directConnectIdVirtualInterface,
		Type: model.GetCreateVirtualInterfaceTypeEnum().PRIVATE,
		Vlan: int32(332),
		Bandwidth: int32(2),
		LocalGatewayV4Ip: &localGatewayV4IpVirtualInterface,
		RemoteGatewayV4Ip: &remoteGatewayV4IpVirtualInterface,
		VgwId: "8a47064a-f34c-4f94-b7fe-cac456c9b37b",
		RouteMode: model.GetCreateVirtualInterfaceRouteModeEnum().STATIC,
		RemoteEpGroup: listRemoteEpGroupVirtualInterface,
	}
	request.Body = &model.CreateVirtualInterfaceRequestBody{
		VirtualInterface: virtualInterfacebody,
	}
	response, err := client.CreateVirtualInterface(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

201

Created

Error Codes

See Error Codes.

Parent Topic: Virtual Interfaces