Network Related Interfaces

CCE CCE

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CCE CCE

  • Function Release Records
  • Common Tools
    • Command Line Scenario Examples
  • API Reference
    • Overview
    • Common Headers and Error Responses
    • General Description
  • Product Announcement
    • Announcement on the Discontinuation of CCE Standalone Clusters
    • CCE New Cluster Management Release Announcement
    • Upgrade Announcement for CCE Cluster Audit Component kube-external-auditor
    • CCE Console Upgrade Announcement
    • Announcement on Management Fees for CCE Managed Clusters
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    • Announcement on the Decommissioning of CCE Image Repository
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    • Security Vulnerability Fix Announcement
      • Vulnerability CVE-2019-5736 Fix Announcement
      • Vulnerability CVE-2021-30465 Fix Announcement
      • CVE-2025-1097, CVE-2025-1098, and Other Vulnerabilities Fix Announcement
      • CVE-2020-14386 Vulnerability Fix Announcement
      • Impact Statement on runc Security Issue (CVE-2024-21626)
  • Service Level Agreement (SLA)
    • CCE Service Level Agreement SLA (V1_0)
  • Typical Practices
    • Pod Anomaly Troubleshooting
    • Adding CGroup V2 Node
    • Common Linux System Configuration Parameters Description
    • Encrypting etcd Data Using KMS
    • Configuring Container Network Parameters Using CNI
    • CCE - Public Network Access Practice
    • Practice of using private images in CCE clusters
    • Unified Access for Virtual Machines and Container Services via CCE Ingress
    • User Guide for Custom CNI Plugins
    • CCE Cluster Network Description and Planning
    • Cross-Cloud Application Migration to Baidu CCE Using Velero
    • CCE Resource Recommender User Documentation
    • Continuous Deployment with Jenkins in CCE Cluster
    • CCE Best Practice-Guestbook Setup
    • CCE Best Practice-Container Network Mode Selection
    • CCE Usage Checklist
    • VPC-ENI Mode Cluster Public Network Access Practice
    • CCE Container Runtime Selection
    • Cloud-native AI
      • Elastic and Fault-Tolerant Training Using CCE AITraining Operator
      • Deploy the TensorFlow Serving inference service
      • Best Practice for GPU Virtualization with Optimal Isolation
  • FAQs
    • How do business applications use load balancer
    • Using kubectl on Windows
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  • Operation guide
    • Prerequisites for use
    • Identity and access management
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      • Configure IAM Tag Permission Policy
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      • LoadBalancer Service Annotation Description
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      • Remove a node
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      • Kubelet Container Monitor Read-Only Port Risk Warning
      • Managing Node Tag
      • Drain node
    • Component Management
      • CCE CSI CDS Plugin Description
      • CCE Fluid Description
      • CCE CSI PFS L2 Plugin
      • CCE Calico Felix Description
      • CCE Ingress Controller Description
      • CCE QoS Agent Description
      • CCE GPU Manager Description
      • CCE Ingress NGINX Controller Description
      • CCE P2P Accelerator Description
      • CCE Virtual Kubelet Component
      • CoreDNS Description
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      • Kube ApiServer Description
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      • CCE Network Plugin Description
      • CCE CSI PFS Plugin Description
      • CCE Credential Controller Description
      • CCE Deep Learning Frameworks Operator Description
      • Component Overview
      • CCE Image Accelerate Description
      • CCE CSI BOS Plugin Description
      • CCE Onepilot Description
      • Description of Kube Controller Manager
      • CCE_Hybrid_Manager Description
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        • GPU Exclusive and Shared Usage Instructions
        • Image Build Precautions in Shared GPU Scenarios
        • Instructions for Multi-GPU Usage in Single-GPU Containers
        • GPU Virtualization Adaptation Table
        • GPU Online and Offline Mixed Usage Instructions
        • MPS Best Practices & Precautions
        • Precautions for Disabling Node Video Memory Sharing
    • Elastic Scaling
      • Container Timing Horizontal Scaling (CronHPA)
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      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC-ENI Mode)
      • Container Access to External Services in CCE Clusters
      • CCE supports dual-stack networks of IPv4 and IPv6
      • Using NetworkPolicy Network Policy
      • Traffic Forwarding Configuration for Containers in Peering Connections Scenarios
      • CCE IP Masquerade Agent User Guide
      • Creating VPC-ENI Mode Cluster
      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC Network Mode)
      • Using NetworkPolicy in CCE Clusters
      • Network Orchestration
        • Container Network QoS Management
        • VPC-ENI Specified Subnet IP Allocation (Container Network v2)
        • Cluster Pod Subnet Topology Distribution (Container Network v2)
      • Network Connectivity
        • Container network accesses the public network via NAT gateway
      • Network Maintenance
        • Common Error Code Table for CCE Container Network
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        • CoreDNS Component Manual Dilatation Guide
        • DNS Troubleshooting Guide
        • DNS Principle Overview
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      • Set Limit Range
      • Set Resource Quota
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      • Set Workload Auto-Scaling
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      • Create Workload Using Private Image
      • DaemonSet Management
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  • Network Related Interfaces
Table of contents on this page
  • Check the ClusterIP network segment for the cluster
  • Check cluster container network segment
  • Recommended ClusterIP network segment
  • Recommended container network segment
  • Secondary network segment conflict detection

Network Related Interfaces

Updated at：2025-10-27

Check the ClusterIP network segment for the cluster

Description

Check the ClusterIP network segment for the cluster

Request structure

Plain Text 
1POST /v2/net/check_clusterip_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
ipVersion String Yes RequestBody Container network IP address version, options: [IPv4, IPv6, dualStack]
clusterIPCIDR String No RequestBody Cluster IPv4 network segment. Required when IP version is IPv4.
clusterIPCIDRIPv6 String No RequestBody Cluster IPv6 network segment. Required when IP version is IPv6.
vpcID String Yes RequestBody VPC ID
vpcCIDR String No RequestBody VPC IPv4 network segment. Required when IP version is IPv4.
vpcCIDRIPv6 String No RequestBody VPC IPv6 network segment. Required when IP version is IPv6.

Response headers

No special headers are required beyond the standard ones.

Response parameters

Parameter name Types Required or not Description
errMsg String No Error message
isConflict String Yes Conflict or not
requestID String Yes Request ID. This ID is provided for issue localization.

Request example

Plain Text 
1POST /v2/net/check_clusterip_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2019-03-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4{
5	"vpcID": "vpc-pi9fghaxcpnf",
6	"vpcCIDR": "192.168.0.0/16",
7	"vpcCIDRIPv6": "",
8	"clusterIPCIDR": "172.31.0.0/16",
9	"clusterIPCIDRIPv6": "",
10	"ipVersion": "ipv4"
11}

Response example

Plain Text 
1HTTP/1.1 200 OK
2X-Bce-Request-Id: d1b66c3d-b16f-4ff2-bedf-af21f6bcd827
3Date: Thu, 16 Mar 2020 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5{
6	"isConflict": false,
7	"errMsg": "",
8	"requestID": "40165eb4-0fc7-405e-bcdf-10ba2ffc1ee3"
9}

Check cluster container network segment

Description

Check cluster container network segment

Request structure

Plain Text 
1POST /v2/net/check_container_network_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
ipVersion String No RequestBody Container network IP address version, defaulting to IPv4, options:[IPv4, IPv6, dualStack]
clusterIPCIDR String No RequestBody Cluster IPv4 network segment. Required when IP version is IPv4.
clusterIPCIDRIPv6 String No RequestBody Cluster IPv6 network segment. Required when IP version is IPv6.
containerCIDR String No RequestBody Container network IPv4 network segment. Required when IP version is IPv4.
containerCIDRIPv6 String No RequestBody Container network IPv6 network segment. Required when IP version is IPv6.
maxPodsPerNode Integer Yes RequestBody Maximum number of pods per node
vpcID String Yes RequestBody VPC ID
vpcCIDR String No RequestBody VPC IPv4 network segment. Required when IP version is IPv4.
vpcCIDRIPv6 String No RequestBody VPC IPv6 network segment. Required when IP version is IPv6.

Response headers

No special headers are required beyond the standard ones.

Response parameters

Parameter name Types Required or not Description
clusterIPCIDRConflict [ClusterIPCIDRConflict](CCE/API_V2 Reference/Appendix.md#ClusterIPCIDRConflict) No ClusterIP network segment conflict information
containerCIDRConflict [ContainerCIDRConflict](CCE/API_V2 Reference/Appendix.md#ContainerCIDRConflict) No Container network segment conflict information
errMsg String No Error message
isConflict String Yes Conflict or not
maxNodeNum String Yes Maximum node count
requestID String Yes Request ID. This ID is provided for issue localization.

Request example

Plain Text 
1POST /v2/net/check_container_network_cidr HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2019-03-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4{
5	"vpcID": "vpc-pi9fghaxcpnf",
6	"vpcCIDR": "192.168.0.0/16",
7	"vpcCIDRIPv6": "",
8	"containerCIDR": "172.28.0.0/16",
9	"containerCIDRIPv6": "",
10	"clusterIPCIDR": "172.31.0.0/16",
11	"clusterIPCIDRIPv6": "",
12	"maxPodsPerNode": 256,
13	"ipVersion": "ipv4"
14}

Response example

Plain Text 
1HTTP/1.1 200 OK
2X-Bce-Request-Id: a2c5b12b-6005-4266-a8e8-f5b3d903a5c7
3Date: Thu, 16 Mar 2020 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5{
6	"maxNodeNum": 256,
7	"isConflict": false,
8	"errMsg": "",
9	"containerCIDRConflict": null,
10	"clusterIPCIDRConflict": null,
11	"requestID": "a2c5b12b-6005-4266-a8e8-f5b3d903a5c7"
12}

Recommended ClusterIP network segment

Description

Recommended ClusterIP network segment

Request structure

Plain Text 
1POST /v2/net/recommend_clusterip_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
clusterMaxServiceNum Integer Yes RequestBody Maximum number of services in the cluster
ipVersion String No RequestBody Container network IP address version, defaulting to IPv4, options:[IPv4, IPv6, dualStack]
containerCIDR String No RequestBody Container network IPv4 network segment. Required when IP version is IPv4.
containerCIDRIPv6 String No RequestBody Container network IPv6 network segment. Required when IP version is IPv6.
privateNetCIDRs List No RequestBody IPv4 private network address range, options [10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16]
privateNetCIDRIPv6s List No RequestBody IPv6 private network address range, currently only supporting [fc00::/7]
vpcCIDR String No RequestBody VPC IPv4 network segment. Required when IP version is IPv4.
vpcCIDRIPv6 String No RequestBody VPC IPv6 network segment. Required when IP version is IPv6.

Response headers

No special headers are required beyond the standard ones.

Response parameters

Parameter name Types Required or not Description
errMsg String No Error message
isSuccess Boolean Yes Whether the request succeeded
recommendedClusterIPCIDRs List No Recommended Cluster IP network segment
recommendedClusterIPCIDRIPv6s List No Recommended Cluster IP network segment IPv6
requestID String Yes Request ID. This ID is provided for issue localization.

Request example

Plain Text 
1POST /v2/net/recommend_clusterip_cidr HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2019-03-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4{
5	"vpcCIDR": "192.168.0.0/16",
6	"vpcCIDRIPv6": "",
7	"containerCIDR": "172.28.0.0/16",
8	"containerCIDRIPv6": "",
9	"clusterMaxServiceNum": 8,
10	"privateNetCIDRs": [
11		"172.16.0.0/12"
12	],
13	"privateNetCIDRIPv6s": null,
14	"ipVersion": "ipv4"
15}

Response example

Plain Text 
1HTTP/1.1 200 OK
2X-Bce-Request-Id: 79f1993e-fc76-41c3-8f20-a22bd1010324
3Date: Thu, 16 Mar 2020 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5{
6	"recommendedClusterIPCIDRs": [
7		"172.31.255.248/29",
8		"172.31.255.240/29",
9		"172.31.255.232/29",
10		"172.31.255.224/29",
11		"172.31.255.216/29"
12	],
13	"recommendedClusterIPCIDRIPv6s": null,
14	"isSuccess": true,
15	"errMsg": "",
16	"requestID": "79f1993e-fc76-41c3-8f20-a22bd1010324"
17}

Recommended container network segment

Description

Recommended container network segment

Request structure

Plain Text 
1POST /v2/net/recommend_container_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
clusterMaxNodeNum Integer Yes RequestBody Maximum number of nodes in the cluster
ipVersion String No RequestBody Container network IP address version, defaulting to IPv4, options:[IPv4, IPv6, dualStack]
k8sVersion String Yes RequestBody Cluster K8S version
maxPodsPerNode Integer Yes RequestBody Maximum number of pods per node
privateNetCIDRs List No RequestBody IPv4 private network address range, options [10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16]
privateNetCIDRIPv6s List No RequestBody IPv6 private network address range, currently only supporting [fc00::/7]
vpcID String Yes RequestBody VPC ID
vpcCIDR String No RequestBody VPC IPv4 network segment. Required when IP version is IPv4.
vpcCIDRIPv6 String No RequestBody VPC IPv6 network segment. Required when IP version is IPv6.

Response headers

No special headers are required beyond the standard ones.

Response parameters

Parameter name Types Required or not Description
errMsg String No Error message
isSuccess Boolean Yes Whether the request succeeded
recommendedContainerCIDRs List No Recommended container network segment
recommendedContainerCIDRIPv6s List No Recommended container network segment IPv6
requestID String Yes Request ID. This ID is provided for issue localization.

Request example

Plain Text 
1POST /v2/net/recommend_container_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2019-03-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4{
5	"vpcID": "vpc-pi9fghaxcpnf",
6	"vpcCIDR": "192.168.0.0/16",
7	"vpcCIDRIPv6": "",
8	"clusterMaxNodeNum": 2,
9	"maxPodsPerNode": 32,
10	"privateNetCIDRs": [
11		"172.16.0.0/12"
12	],
13	"privateNetCIDRIPv6s": null,
14	"k8sVersion": "1.16.8",
15	"ipVersion": "ipv4"
16}

Response example

Plain Text 
1HTTP/1.1 200 OK
2X-Bce-Request-Id: 162b630e-38f9-4b31-addc-f89339058e70
3Date: Thu, 16 Mar 2020 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5{
6	"recommendedContainerCIDRs": [
7		"172.16.0.0/26",
8		"172.16.0.64/26",
9		"172.16.0.128/26",
10		"172.16.0.192/26",
11		"172.16.1.0/26"
12	],
13	"recommendedContainerCIDRIPv6s": null,
14	"isSuccess": true,
15	"errMsg": "",
16	"requestID": "162b630e-38f9-4b31-addc-f89339058e70"
17}

Secondary network segment conflict detection

Description

Check whether the secondary network segment conflicts with the existing route in the current VPC

Request structure

Plain Text 
1POST /v2/net/check_auxiliary_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
ipVersion String Yes RequestBody Container network IP address version, options: [IPv4, IPv6, dualStack]
ContainerCIDR String No RequestBody Container IPv4 network segment. Required when IP version is IPv4.
ContainerCIDRIPv6 String No RequestBody Container IPv6 network segment. Required when IP version is IPv6.
vpcID String Yes RequestBody VPC ID
vpcCIDR String No RequestBody VPC IPv4 network segment. Required when IP version is IPv4.
vpcCIDRIPv6 String No RequestBody VPC IPv6 network segment. Required when IP version is IPv6.
isEBPF Bool Yes RequestBody Whether eBPF acceleration is activated for the cluster

Response headers

No special headers are required beyond the standard ones.

Response parameters

Parameter name Types Required or not Description
errMsg String No Error message
isConflict Bool Yes Conflict or not
requestID String Yes Request ID. This ID is provided for issue localization.
isAuxiliary Bool Yes Used when eBPF is activated to determine whether it is a secondary network segment

Request example

Plain Text 
1POST /v2/net/check_auxiliaryip_cidr  HTTP/1.1
2Host: cce.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2019-03-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4{
5    "vpcID": "vpc-pi9fghaxcpnf",
6    "vpcCIDR": "192.168.0.0/16",
7    "vpcCIDRIPv6": "",
8    "ContainerCIDR": "172.31.0.0/16",
9    "ContainerCIDRIPv6": "",
10    "ipVersion": "ipv4"
11}

Response example

Plain Text 
1HTTP/1.1 200 OK
2X-Bce-Request-Id: d1b66c3d-b16f-4ff2-bedf-af21f6bcd827
3Date: Thu, 16 Mar 2020 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5{
6    "isConflict": false,
7    "errMsg": "",
8    "requestID": "d1b66c3d-b16f-4ff2-bedf-af21f6bcd827",
9    "isAuxiliary": true
10}

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