Help Center/ Cloud Connect/ API Reference/ API/ Central Networks/ Querying a Central Network
Updated on 2025-07-29 GMT+08:00
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Querying a Central Network

Function

This API is used to query the details about a central network.

URI

GET /v3/{domain_id}/gcn/central-networks/{central_network_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

domain_id

Yes

String

Account ID.

central_network_id

Yes

String

Central network ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

No

String

User token.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

request_id

String

Request ID.

central_network

CentralNetwork object

Central network.
Table 4 CentralNetwork

Parameter

Type

Description

id

String

Instance ID.

name

String

Instance name.

description

String

Resource description. Angle brackets (<>) are not allowed.

created_at

String

Time when the resource was created. The UTC time is in the yyyy-MM-ddTHH:mm:ss format.

updated_at

String

Time when the resource was updated. The UTC time must be in the yyyy-MM-ddTHH:mm:ss format.

domain_id

String

ID of the account that the instance belongs to.

state

String

Central network status.

  • AVAILABLE: The central network is available.

  • UPDATING: The central network is being updated.

  • FAILED: The operation on the central network failed.

  • CREATING: The central network is being created.

  • DELETING: The central network is being deleted.

  • DELETED: The central network is deleted.

  • RESTORING: The central network is being restored.

enterprise_project_id

String

ID of the enterprise project that the resource belongs to.

tags

Array of Tag objects

Resource tags.

default_plane_id

String

ID of the default central network plane.

planes

Array of CentralNetworkPlane objects

List of central network planes.

er_instances

Array of CentralNetworkErInstance objects

List of enterprise routers on a central network.

connections

Array of CentralNetworkConnectionInfo objects

List of the enterprise router attachments on a central network.
Table 5 Tag

Parameter

Type

Description

key

String

Tag key. The key can contain a maximum of 128 Unicode characters, including letters, digits, hyphens (-), and underscores (_).

value

String

Tag value. The value can contain a maximum of 255 Unicode characters, including letters, digits, hyphens (-), underscores (_), and periods (.).
Table 6 CentralNetworkPlane

Parameter

Type

Description

id

String

Instance ID.

name

String

Instance name.

associate_er_tables

Array of AssociateErTableDocument objects

List of the enterprise routers on a central network.

exclude_er_connections

Array of ExcludeErConnectionDocument objects

Whether to exclude the connections to enterprise routers on the central network.
Table 7 AssociateErTableDocument

Parameter

Type

Description

project_id

String

Project ID.

region_id

String

Region ID.

enterprise_router_id

String

Enterprise router ID.

enterprise_router_table_id

String

ID of the enterprise router route table.
Table 8 ExcludeErConnectionDocument

Parameter

Type

Description

[items]

Array of AssociateErInstanceDocument objects

Connections between enterprise routers managed by the central network plane.
Table 9 AssociateErInstanceDocument

Parameter

Type

Description

enterprise_router_id

String

Enterprise router ID.

project_id

String

Project ID.

region_id

String

Region ID.
Table 10 CentralNetworkErInstance

Parameter

Type

Description

id

String

Instance ID.

enterprise_router_id

String

Enterprise router ID.

project_id

String

Project ID.

region_id

String

Region ID.

asn

Long

ASN of the network instance when BGP is used for routing.

site_code

String

Site code.
Table 11 CentralNetworkConnectionInfo

Parameter

Type

Description

id

String

Instance ID.

plane_id

String

ID of the central network plane.

global_connection_bandwidth_id

String

Global connection bandwidth ID.

bandwidth_size

Integer

Bandwidth capacity, in Mbit/s.

connection_type

String

Type of a central network connection.

  • ER-ER: peering connection between enterprise routers

  • ER-GDGW: connection between an enterprise router and a global DC gateway

  • ER-ER_ROUTE_TABLE: connection between an enterprise router and an enterprise router route table

connection_point_pair

Array of ConnectionPoint objects

Both ends of a central network connection. The length is fixed to an array of 2.

state

String

Central network connection status.

  • AVAILABLE: The connection is available.

  • CREATING: The connection is being created.

  • UPDATING: The connection is being updated.

  • DELETING: The connection is being deleted.

  • FREEZING: The connection is being frozen.

  • UNFREEZING: The connection is being unfrozen.

  • RECOVERING: The connection is being recovered.

  • FAILED: The operation on the connection failed.

  • DELETED: The connection is deleted.

  • APPROVING: The connection is being approved.

  • APPROVED: The connection is approved.

  • UNAPPROVED: The approval failed.
Table 12 ConnectionPoint

Parameter

Type

Description

id

String

Instance ID.

project_id

String

Project ID.

region_id

String

Region ID.

site_code

String

Site code.

instance_id

String

Instance ID at an end of a connection.

parent_instance_id

String

Parent resource ID of the instance at an end of a connection.

type

String

Type of the resource that can be added to a central network as an attachment.

  • ER: enterprise router

  • GDGW: global DC gateway

  • ER_ROUTE_TABLE: enterprise router route table

Example Requests

Querying the details about a central network

GET /v3/{domain_id}/gcn/central-networks/{central_network_id}

Example Responses

Status code: 200

The details about a central network have been queried.

{
  "request_id" : "ebfebe2205832c9ed7c3d1131041cc0f",
  "central_network" : {
    "id" : "e096c86f-817c-418c-945c-6b1d8860a15d",
    "name" : "name",
    "created_at" : "2023-10-09T06:22:40.856Z",
    "updated_at" : "2023-10-09T06:22:40.856Z",
    "domain_id" : "XXX",
    "state" : "AVAILABLE",
    "enterprise_project_id" : "0"
  }
}

Status Codes

Status Code

Description

200

The details about a central network have been queried.

Error Codes

See Error Codes.

Parent Topic: Central Networks