CSN Instance

CSN

  • API Reference
    • API function release records
    • Appendix
    • Bandwidth Package Related
      • Bandwidth package price inquiry
      • Bandwidth upgrade-downgrade for the bandwidth package
      • Bind a bandwidth package to a Cloud Smart Network
      • Create bandwidth package
      • Delete bandwidth package
      • Query bandwidth package list
      • Query the specified bandwidth package details
      • Unbind a bandwidth package from a Cloud Smart Network
      • Update bandwidth package
    • Cloud Smart Network Related
      • Create a Cloud Smart Network
      • Delete a Cloud Smart Network
      • Network instances loaded by the Cloud Smart Network
      • Network instances unloaded by the Cloud Smart Network
      • Query Cloud Smart Network details
      • Query Cloud Smart Network instance list
      • Query the list of Cloud Smart Network
      • Update a Cloud Smart Network
    • Common Headers and Error Responses
    • General Description
    • Ingress Management Related Interfaces
      • Add a routing entry
      • Create affiliation
      • Create learning relationship
      • Delete a learning relationship
      • Delete a routing entry
      • Delete an association relationship
      • Query association relationships
      • Query learning relationships
      • Query route table list
      • Query routing entries
    • Interface Overview
    • Region Bandwidth Related Interfaces
      • Create cross-region bandwidth
      • Delete cross-region bandwidth
      • Query cross-region bandwidth
      • Query the cross-region bandwidth of the specified Cloud Smart Network
      • Update cross-region bandwidth
    • Service domain
    • TGW Related Interfaces
      • Query routing entries of a TGW
      • Query TGW list
      • Update TGW information
  • FAQs
    • Consultation
  • Function Release Records
  • Operation guide
    • Cross-Account Authorization Management
      • Cancel Authorized Network Instance
      • Create Authorized Network Instance
      • Delete Authorized Network Instance
      • View Authorized Network Instance
    • Cross-Region Bandwidth Package Management
    • CSN Instance
      • Create CSN Instance
      • Delete CSN Instance
      • Modify CSN Instance
    • Identity and access management
    • Monitor and Operations
      • CSN Instance Diagnosis
    • Network instance
      • Add Cross-Account Network Instance
      • Add Local Account Network Instance
      • Adjust Network Instance Bandwidth
      • Uninstall Network Instance
    • Region Bandwidth Management
      • Adjust Region Bandwidth
      • Create cross-region bandwidth
      • Delete cross-region bandwidth
    • Route management
      • Association Relationship
        • Create affiliation
        • Delete affiliation
      • Custom route tables
        • Create custom route table
        • Delete custom route table
        • View Custom Route Table
      • Learning Relationship
        • Add Custom Route Entry
        • Create learning relationship
        • Delete Custom Route Entry
        • Delete learning relationship
        • Publish and Revoke Network Instance Route
        • View Route Entry
    • Tag Management
  • Product Description
    • Application scenarios
    • Introduction
    • Usage restrictions
  • Product pricing
  • SDK
    • GO-SDK
      • Bandwidth package
      • CSN Instance
      • Exception handling
      • Initialization
      • Install
      • Overview
      • Region Bandwidth
      • Route management
      • TGW
    • Java-SDK
      • CSN
      • Exception handling
      • Initialization
      • Install the SDK Package
      • Overview
      • Version history
    • Python-SDK
      • Bandwidth package
      • CSN Instance
      • Initialization
      • Region Bandwidth
      • Route management
      • TGW
  • Service Level Agreement (SLA)
    • Cloud Smart Network Service Level Agreement SLA
  • Typical Practices
    • CSN supports VPC custom route tables for secure traffic access
    • Multi-IDC Disaster Recovery via Cloud Smart Network
    • Multi-IDC Interconnection via Cloud Smart Network
    • Private Network VPC Interconnection with Edge Network
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CSN

  • API Reference
    • API function release records
    • Appendix
    • Bandwidth Package Related
      • Bandwidth package price inquiry
      • Bandwidth upgrade-downgrade for the bandwidth package
      • Bind a bandwidth package to a Cloud Smart Network
      • Create bandwidth package
      • Delete bandwidth package
      • Query bandwidth package list
      • Query the specified bandwidth package details
      • Unbind a bandwidth package from a Cloud Smart Network
      • Update bandwidth package
    • Cloud Smart Network Related
      • Create a Cloud Smart Network
      • Delete a Cloud Smart Network
      • Network instances loaded by the Cloud Smart Network
      • Network instances unloaded by the Cloud Smart Network
      • Query Cloud Smart Network details
      • Query Cloud Smart Network instance list
      • Query the list of Cloud Smart Network
      • Update a Cloud Smart Network
    • Common Headers and Error Responses
    • General Description
    • Ingress Management Related Interfaces
      • Add a routing entry
      • Create affiliation
      • Create learning relationship
      • Delete a learning relationship
      • Delete a routing entry
      • Delete an association relationship
      • Query association relationships
      • Query learning relationships
      • Query route table list
      • Query routing entries
    • Interface Overview
    • Region Bandwidth Related Interfaces
      • Create cross-region bandwidth
      • Delete cross-region bandwidth
      • Query cross-region bandwidth
      • Query the cross-region bandwidth of the specified Cloud Smart Network
      • Update cross-region bandwidth
    • Service domain
    • TGW Related Interfaces
      • Query routing entries of a TGW
      • Query TGW list
      • Update TGW information
  • FAQs
    • Consultation
  • Function Release Records
  • Operation guide
    • Cross-Account Authorization Management
      • Cancel Authorized Network Instance
      • Create Authorized Network Instance
      • Delete Authorized Network Instance
      • View Authorized Network Instance
    • Cross-Region Bandwidth Package Management
    • CSN Instance
      • Create CSN Instance
      • Delete CSN Instance
      • Modify CSN Instance
    • Identity and access management
    • Monitor and Operations
      • CSN Instance Diagnosis
    • Network instance
      • Add Cross-Account Network Instance
      • Add Local Account Network Instance
      • Adjust Network Instance Bandwidth
      • Uninstall Network Instance
    • Region Bandwidth Management
      • Adjust Region Bandwidth
      • Create cross-region bandwidth
      • Delete cross-region bandwidth
    • Route management
      • Association Relationship
        • Create affiliation
        • Delete affiliation
      • Custom route tables
        • Create custom route table
        • Delete custom route table
        • View Custom Route Table
      • Learning Relationship
        • Add Custom Route Entry
        • Create learning relationship
        • Delete Custom Route Entry
        • Delete learning relationship
        • Publish and Revoke Network Instance Route
        • View Route Entry
    • Tag Management
  • Product Description
    • Application scenarios
    • Introduction
    • Usage restrictions
  • Product pricing
  • SDK
    • GO-SDK
      • Bandwidth package
      • CSN Instance
      • Exception handling
      • Initialization
      • Install
      • Overview
      • Region Bandwidth
      • Route management
      • TGW
    • Java-SDK
      • CSN
      • Exception handling
      • Initialization
      • Install the SDK Package
      • Overview
      • Version history
    • Python-SDK
      • Bandwidth package
      • CSN Instance
      • Initialization
      • Region Bandwidth
      • Route management
      • TGW
  • Service Level Agreement (SLA)
    • Cloud Smart Network Service Level Agreement SLA
  • Typical Practices
    • CSN supports VPC custom route tables for secure traffic access
    • Multi-IDC Disaster Recovery via Cloud Smart Network
    • Multi-IDC Interconnection via Cloud Smart Network
    • Private Network VPC Interconnection with Edge Network
  • Document center
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  • CSN Instance
Table of contents on this page
  • Create a Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Update a Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Delete a Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Query the list of Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Query Cloud Smart Network details
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Network instances loaded by the Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Network instances unloaded by the Cloud Smart Network
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example
  • Query Cloud Smart Network instance list
  • Function declaration
  • Parameter meaning
  • Response value
  • Code example

CSN Instance

Updated at：2025-11-11

Create a Cloud Smart Network

Function declaration

Python 
1def create_csn(self, name, description=None, tags=None, client_token=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/Jl0tk76ib

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...}, # Common Description Information
3    "csn_id":"csn-34t94wnsazpbi3wd"
4}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_create_csn.py

Update a Cloud Smart Network

Function declaration

Python 
1def update_csn(self, csn_id, name=None, description=None, client_token=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/ol0ucgh93

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...} # Public description information
3}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_update_csn.py

Delete a Cloud Smart Network

Function declaration

Python 
1def delete_csn(self, csn_id, client_token=None):

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/Sl0uc93yd

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...} # Public description information
3}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_delete_csn.py

Query the list of Cloud Smart Network

Function declaration

Python 
1def list_csn(self, marker=None, max_keys=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/Ll0ucpv6y

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...}, # Common Description Information
3    "marker":"",
4    "is_truncated":false,
5    "max_keys":1000,
6    "csns":[
7        {
8            "name":"wxktest",
9            "description":"",
10            "csn_id":"csn-34t94wnsazpbi3wd",
11            "status":"active",
12            "instance_num":2,
13            "csn_bp_num":1
14            "tags":[
15                {
16                    "tagKey":"tagKey1",
17                    "tagValue":"tagValue1"
18                }
19            ]
20        }
21    ]
22}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_list_csn.py

Query Cloud Smart Network details

Function declaration

Python 
1def get_csn(self, csn_id)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/xl14zx3lf

Response value

Operation succeeded:

JSON 
1{   
2 "metadata": {...}, # Common Description Information
3    "name":"csn_test",
4    "description":"csn_test description",
5    "csn_id":"csn-34t94wnsazpbi3wd",
6    "status":"active",
7    "instance_num":2,
8    "csn_bp_num":1,
9    "tags":[
10        {
11            "tagKey":"tagKey1",
12            "tagValue":"tagValue1"
13        }
14    ]
15}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_get_csn.py

Network instances loaded by the Cloud Smart Network

Function declaration

Python 
1def attach_instance(self, csn_id, instance_type, instance_id, instance_region, instance_account_id=None, client_token=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/tl0un4yvb

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...} # Public description information
3}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_attach_instance.py

Network instances unloaded by the Cloud Smart Network

Function declaration

Python 
1def detach_instance(self, csn_id, instance_type, instance_id, instance_region, instance_account_id=None, client_token=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/fl0unhq5k

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...} # Public description information
3}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_detach_instance.py

Query Cloud Smart Network instance list

Function declaration

Python 
1def list_instance(self, csn_id, marker=None, max_keys=None)

Parameter meaning

Refer to the OpenAPI documentation: https://cloud.baidu.com/doc/CSN/s/nl0unomuo

Response value

Operation succeeded:

JSON 
1{
2 "metadata": {...}, # Common Description Information
3    "marker":"",
4    "is_truncated":false,
5    "max_keys":1000,
6    "instances":[
7        {
8            "attach_id":"tgwAttach-ycsx58278drf41sm",
9            "instance_type":"vpc",
10            "instance_id":"vpc-zep9hag85vap",
11            "instance_name":"test_vpc_01",
12            "instance_region":"bj",
13            "instance_account_id":"60a4f129eb0e47f0a110ea27b44b6073",
14            "status":"attached"
15        },
16        {
17            "attach_id":"tgwAttach-m8bydk547r9pjeiv",
18            "instance_type":"vpc",
19            "instance_id":"vpc-w37tyjur64p5",
20            "instance_name":"test_vpc_02",
21            "instance_region":"bd",
22            "instance_account_id":"60a4f129eb0e47f0a110ea27b44b6073",
23            "status":"attached"
24        }
25    ]
26}

Operation failed:
Return error. For the error code list, please refer to: https://cloud.baidu.com/doc/CSN/s/Tl56j65ym

Code example

For specific code examples, please refer to: example_list_instance.py

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