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VPC Network Management

VPC (Virtual Private Cloud) network management provides dedicated network interface management for Kubernetes cluster connectivity with real-time monitoring and streamlined creation processes.

Accessing VPC Network Management​

  1. Navigate to the Kubernetes service dashboard
  2. Click "Network & Security" in the main sidebar
  3. Select "Network Interfaces" to access VPC network management

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Screenshot of sidebar navigation path to Network Interfaces

Interface Overview​

The VPC network management interface provides comprehensive network oversight:

  • Network List: All available VPC networks with detailed information
  • Real-time Status: Live monitoring of network status and usage
  • Quick Actions: Streamlined network creation and management
  • Integration Ready: Networks ready for cluster deployment

Network Interface List​

Network Information Display​

The network list displays all VPC networks in a comprehensive data grid:

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Screenshot of VPC network list showing all columns and sample data

Column Information​

  • Name: Network interface name (clickable for detailed information)
  • Prefix: Network CIDR prefix (e.g., "192.168.1.0/24")
  • Address Leased: Number of IP addresses currently allocated
  • Attached VMs: Count of virtual machines using this network
  • Created At: Network creation timestamp

Real-time Status Tracking​

Address Allocation Monitoring​

  • Current Allocation: Number of IP addresses currently in use
  • Available Addresses: Remaining IP addresses in the network range
  • Utilization Percentage: IP address usage as percentage of total
  • Capacity Planning: Information for network capacity planning

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Screenshot showing address allocation details and utilization

VM Attachment Tracking​

  • Active Attachments: Current number of VMs using the network
  • Real-time Updates: VM count updates automatically
  • Usage Monitoring: Track network usage across virtual machines
  • Capacity Management: Monitor network capacity utilization

Network Status Indicators​

  • Operational: Network is active and available for use
  • Creating: Network is being provisioned
  • Available: Network ready for cluster assignment
  • In Use: Network currently being used by clusters or VMs

Creating VPC Networks​

Quick Network Creation​

Access Creation Interface​

  1. From the Network Interfaces page, click "Create VPC Network"
  2. A confirmation dialog appears for network creation
  3. Review network creation parameters
  4. Confirm creation to provision the new network

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Screenshot of Create VPC Network button and confirmation dialog

Creation Process​

  1. Initiation: Click create button to start process
  2. Configuration: Automatic configuration with optimal settings
  3. Provisioning: Network provisioned in vCloud infrastructure
  4. Availability: Network becomes immediately available for use
  5. Auto-refresh: Interface automatically updates to show new network

Network Configuration​

  • Automatic CIDR: Optimal CIDR range assigned automatically
  • vCloud Integration: Native integration with vCloud networking
  • Security Groups: Default security group configurations applied
  • Zone Placement: Automatic placement in appropriate availability zones

Network Creation Benefits​

Cluster Integration​

  • Immediate Availability: New networks ready for cluster deployment
  • Seamless Integration: Automatic integration with cluster creation
  • IP Management: Automatic IP address management and allocation
  • Security: Built-in security configurations

Resource Management​

  • Quota Integration: Networks count against vCloud quotas
  • Resource Optimization: Efficient use of network resources
  • Cost Management: Transparent network resource costs
  • Scalability: Networks designed for cluster scaling

Empty State Management​

No Networks Available​

When no VPC networks exist, the interface provides helpful guidance:

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Screenshot of empty state with informational content

Informational Content​

  • VPC Benefits: Clear explanation of VPC network advantages
  • Getting Started: Step-by-step guidance for first network creation
  • Best Practices: Recommendations for network planning
  • Integration Information: How networks integrate with clusters

Quick Start Process​

  1. Educational Content: Understanding VPC network benefits
  2. Simple Creation: One-click network creation process
  3. Immediate Use: Networks ready for cluster deployment
  4. Support Resources: Links to additional documentation

Network Usage and Planning​

IP Address Management​

Address Allocation Planning​

Network Planning Considerations:
- Cluster Size: Plan for maximum expected cluster size
- Growth Buffer: Include 30-50% buffer for growth
- Multiple Clusters: Consider multiple clusters per network
- Pod Networking: Account for pod CIDR requirements

Example Network Sizing:
- Small Cluster (10 nodes): /27 network (30 IPs)
- Medium Cluster (50 nodes): /25 network (126 IPs)
- Large Cluster (100+ nodes): /24 network (254 IPs)

Utilization Monitoring​

  • Current Usage: Track current IP address allocation
  • Growth Trends: Monitor allocation growth over time
  • Capacity Alerts: Alerts when approaching capacity limits
  • Planning Data: Information for network expansion planning

VM Attachment Management​

Attachment Tracking​

  • Real-time Counts: Current VM attachment numbers
  • Usage Patterns: Understanding network usage patterns
  • Performance Impact: How attachments affect network performance
  • Capacity Planning: Planning for additional VM attachments

Network Optimization​

  • Load Distribution: Distributing VMs across multiple networks
  • Performance Tuning: Optimizing network performance
  • Scalability Planning: Planning for network scalability
  • Cost Optimization: Optimizing network costs

Network Integration​

Cluster Deployment Integration​

Network Selection​

  • Available Networks: All VPC networks available for cluster deployment
  • Compatibility Check: Automatic compatibility verification
  • Capacity Verification: Ensuring sufficient IP addresses
  • Performance Optimization: Selecting optimal networks for workloads

Automatic Configuration​

  • Subnet Assignment: Automatic subnet assignment for clusters
  • Security Groups: Automatic security group application
  • Route Configuration: Automatic route table configuration
  • DNS Integration: Automatic DNS configuration

vCloud Integration​

Resource Management​

  • Resource Groups: Networks associated with specific resource groups
  • Quota Management: Networks count against resource quotas
  • Billing Integration: Network usage tracked for billing
  • Performance Monitoring: Network performance metrics

Infrastructure Integration​

  • Availability Zones: Networks span multiple availability zones
  • High Availability: Built-in high availability features
  • Backup and Recovery: Network configuration backup
  • Disaster Recovery: Network disaster recovery capabilities

Best Practices​

Network Planning​

  1. Capacity Planning: Plan network capacity for expected growth
  2. Multiple Networks: Use multiple networks for large deployments
  3. CIDR Planning: Plan CIDR ranges to avoid conflicts
  4. Security Planning: Consider security requirements early

Performance Optimization​

  1. Network Sizing: Right-size networks for workload requirements
  2. Load Distribution: Distribute workloads across networks
  3. Monitoring: Regular monitoring of network performance
  4. Optimization: Continuous optimization based on usage patterns

Cost Management​

  1. Resource Efficiency: Efficient use of network resources
  2. Cleanup: Regular cleanup of unused networks
  3. Monitoring: Monitor network costs and usage
  4. Optimization: Optimize network configurations for cost

Security​

  1. Access Control: Implement appropriate access controls
  2. Network Policies: Use network policies for traffic control
  3. Monitoring: Monitor network traffic for security issues
  4. Compliance: Ensure compliance with security requirements

Troubleshooting VPC Networks​

Common Issues​

Network Creation Failures​

Symptoms: Network creation does not complete successfully

Solutions:

  1. Quota Check: Verify sufficient vCloud quota
  2. Resource Availability: Check resource availability in target zones
  3. Retry Creation: Retry network creation process
  4. Support Contact: Contact support for persistent issues

IP Address Exhaustion​

Symptoms: No available IP addresses in network

Solutions:

  1. Usage Analysis: Analyze current IP address usage
  2. Network Expansion: Create additional networks
  3. Resource Cleanup: Remove unused IP allocations
  4. Capacity Planning: Plan for larger networks

Performance Issues​

Symptoms: Network performance degradation

Solutions:

  1. Load Analysis: Analyze network load and usage
  2. Distribution: Distribute load across multiple networks
  3. Optimization: Optimize network configurations
  4. Upgrade: Consider network infrastructure upgrades

Next: Learn about Cluster Networking for cluster-level network configuration.