> ## Documentation Index > Fetch the complete documentation index at: https://gcore-waap-api-guides.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Attach interface to bare metal GPU cluster server ## OpenAPI ````yaml /api-reference/services_docs_mintlify/cloud_api.yaml post /cloud/v1/ai/clusters/{project_id}/{region_id}/{instance_id}/attach_interface openapi: 3.1.0 info: title: Gcore OpenAPI – Cloud API description: >- This OpenAPI is an aggregated OpenAPI specification that unifies all Gcore products into a single file. It covers Cloud, CDN, DNS, WAAP, DDoS Protection, Object Storage, Streaming, and FastEdge services. version: b16bea63ae2e servers: - url: https://api.gcore.com security: - APIKey: [] tags: - name: Bare Metal - name: Container as a Service - name: Cost Reports - name: DDoS Protection - name: Everywhere Inference - name: Everywhere Inference Apps - name: File Shares - name: Floating IPs - name: Function as a Service - name: GPU Bare Metal - name: GPU Virtual - name: IP Ranges - name: Images - name: Instances - name: Load Balancers - name: Logging - name: Managed Kubernetes - name: Managed PostgreSQL - name: Networks - name: Placement Groups - name: Ports - name: Projects - name: Quotas - name: Regions - name: Registry - name: Reservations - name: Reserved IPs - name: Routers - name: SSH Keys - name: Secrets - name: Security Groups - name: Snapshot Schedules - name: Snapshots - name: Tasks - name: User Actions - name: User Role Assignments - name: Volumes paths: /cloud/v1/ai/clusters/{project_id}/{region_id}/{instance_id}/attach_interface: post: tags: - GPU Bare Metal summary: Attach interface to bare metal GPU cluster server operationId: AIClusterAttachInterfaceHandler.post parameters: - in: path name: project_id required: true description: Project ID schema: type: integer - in: path name: region_id required: true description: Region ID schema: type: integer - in: path name: instance_id required: true description: Instance ID schema: type: string requestBody: content: application/json: schema: oneOf: - $ref: >- #/components/schemas/NewInterfaceExternalExtendSchemaWithDdos - $ref: '#/components/schemas/NewInterfaceSpecificSubnetSchema' - $ref: '#/components/schemas/NewInterfaceAnySubnetSchema' - $ref: '#/components/schemas/NewInterfaceReservedFixedIpSchema' discriminator: propertyName: type mapping: external: $ref: >- #/components/schemas/NewInterfaceExternalExtendSchemaWithDdos subnet: $ref: '#/components/schemas/NewInterfaceSpecificSubnetSchema' any_subnet: $ref: '#/components/schemas/NewInterfaceAnySubnetSchema' reserved_fixed_ip: $ref: '#/components/schemas/NewInterfaceReservedFixedIpSchema' responses: '200': description: Created task content: application/json: schema: $ref: '#/components/schemas/TaskIDsSerializer' components: schemas: NewInterfaceExternalExtendSchemaWithDdos: type: object properties: ddos_profile: type: - 'null' - object description: Advanced DDoS protection. allOf: - $ref: '#/components/schemas/DeprecatedCreateDdosProfileSchema' interface_name: type: string maxLength: 37 description: Interface name ip_family: type: string enum: - dual - ipv4 - ipv6 description: 'Which subnets should be selected: IPv4, IPv6 or use dual stack.' port_group: type: integer minimum: 0 maximum: 3 description: Each group will be added to the separate trunk. security_groups: type: array description: List of security group IDs items: $ref: '#/components/schemas/MandatoryIdSchema' type: type: string default: external description: Must be 'external'. Union tag description: Instance will be attached to default external network example: type: external ip_family: dual security_groups: - id: 4536dba1-93b1-492e-b3df-270b6b9f3650 - id: cee2ca1f-507a-4a31-b714-f6c1ffb4bdfa ddos_profile: profile_template: 29 fields: [] NewInterfaceSpecificSubnetSchema: type: object properties: ddos_profile: type: - 'null' - object description: Advanced DDoS protection. allOf: - $ref: '#/components/schemas/DeprecatedCreateDdosProfileSchema' interface_name: type: string maxLength: 37 description: Interface name port_group: type: integer minimum: 0 maximum: 3 description: Each group will be added to the separate trunk. security_groups: type: array description: List of security group IDs items: $ref: '#/components/schemas/MandatoryIdSchema' subnet_id: type: string description: Port will get an IP address from this subnet type: type: string default: subnet description: Must be 'subnet' required: - subnet_id description: Instance will be attached to specified subnet example: subnet_id: e3c6ee77-48cb-416b-b204-11b492cc776e3 type: subnet security_groups: - id: 4536dba1-93b1-492e-b3df-270b6b9f3650 - id: cee2ca1f-507a-4a31-b714-f6c1ffb4bdfa ddos_profile: profile_template: 29 fields: [] interface_name: my-subnet-interface NewInterfaceAnySubnetSchema: type: object properties: ddos_profile: type: - 'null' - object description: Advanced DDoS protection. allOf: - $ref: '#/components/schemas/DeprecatedCreateDdosProfileSchema' interface_name: type: string maxLength: 37 description: Interface name ip_family: type: string enum: - dual - ipv4 - ipv6 description: 'Which subnets should be selected: IPv4, IPv6 or use dual stack.' network_id: type: string description: Port will get an IP address in this network subnet port_group: type: integer minimum: 0 maximum: 3 description: Each group will be added to the separate trunk. security_groups: type: array description: List of security group IDs items: $ref: '#/components/schemas/MandatoryIdSchema' type: type: string default: any_subnet description: Must be 'any_subnet' required: - network_id description: >- Instance will be attached to the network subnet with the largest count of available ips example: network_id: e3c6ee77-48cb-416b-b204-11b492cc776e3 type: any_subnet security_groups: - id: 4536dba1-93b1-492e-b3df-270b6b9f3650 - id: cee2ca1f-507a-4a31-b714-f6c1ffb4bdfa profile_template: 29 fields: [] interface_name: my-any-subnet-interface NewInterfaceReservedFixedIpSchema: type: object properties: ddos_profile: type: - 'null' - object description: Advanced DDoS protection. allOf: - $ref: '#/components/schemas/DeprecatedCreateDdosProfileSchema' interface_name: type: string maxLength: 37 description: Interface name port_group: type: integer minimum: 0 maximum: 3 description: Each group will be added to the separate trunk. port_id: type: string description: Port ID security_groups: type: array description: List of security group IDs items: $ref: '#/components/schemas/MandatoryIdSchema' type: type: string default: reserved_fixed_ip description: Must be 'reserved_fixed_ip'. Union tag required: - port_id description: |- Instance will be attached to the given port. Floating IP will be created and attached to that IP example: port_id: 59905c8e-2619-420a-b046-536096473370 type: reserved_fixed_ip security_groups: - id: 4536dba1-93b1-492e-b3df-270b6b9f3650 - id: cee2ca1f-507a-4a31-b714-f6c1ffb4bdfa ddos_profile: profile_template: 29 fields: [] interface_name: my-rfip-interface TaskIDsSerializer: properties: tasks: description: >- List of task IDs representing asynchronous operations. Use these IDs to monitor operation progress: - `GET /v1/tasks/{task_id}` - Check individual task status and details Poll task status until completion (`FINISHED`/`ERROR`) before proceeding with dependent operations. example: - d478ae29-dedc-4869-82f0-96104425f565 examples: - - d478ae29-dedc-4869-82f0-96104425f565 items: type: string title: Tasks type: array required: - tasks title: TaskIDsSerializer type: object DeprecatedCreateDdosProfileSchema: type: object properties: fields: type: array default: [] writeOnly: true description: Protection parameters. items: $ref: '#/components/schemas/DeprecatedCreateClientProfileFieldSchema' profile_template: type: integer writeOnly: true description: DDoS profile template ID. profile_template_name: type: string writeOnly: true description: DDoS profile template name. required: - profile_template example: profile_template: 29 fields: [] MandatoryIdSchema: type: object properties: id: type: string format: uuid description: Resource ID required: - id description: MandatoryIdSchema schema example: id: ae74714c-c380-48b4-87f8-758d656cdad6 DeprecatedCreateClientProfileFieldSchema: type: object properties: base_field: type: integer writeOnly: true description: ID of DDoS profile field field_value: writeOnly: true description: Complex value for the DDoS profile field value: type: - string - 'null' writeOnly: true maxLength: 500 description: >- Basic type value. Only one of 'value' or 'field_value' must be specified. required: - base_field example: field_value: - 45046 - 45047 base_field: 10 securitySchemes: APIKey: description: >- API key for authentication. Make sure to include the word `apikey`, followed by a single space and then your token. Example: `apikey 1234$abcdef` type: apiKey in: header name: Authorization ````