4. Troubleshooting

This guide references common configuration issues one may encounter when using Turbo CG-NAT, and indications on how to address them. These indications suppose you are logged as root and have access to the Linux shell.

• 4.1. Relevant Information for Bug Reporting
• 4.2. Typical issues
  • 4.2.1. Startup Issues
  • 4.2.2. License not found
  • 4.2.3. Networking Issues
  • 4.2.4. Performance Tuning
  • 4.2.5. OpenStack
• 4.3. Fast Path Information
  • 4.3.1. Fast Path statistics
  • 4.3.2. fp-cpu-usage
  • 4.3.3. Turn Fast Path off
• 4.4. System Information
  • 4.4.1. CPU Pinning for VMs
  • 4.4.2. ethtool
  • 4.4.3. lspci
  • 4.4.4. lstopo
  • 4.4.5. meminfo
  • 4.4.6. numastat
• 4.5. Log Management
  • 4.5.1. rsyslog
  • 4.5.2. journalctl
  • 4.5.3. fast path logs
  • 4.5.4. fpmd logs
  • 4.5.5. cmgrd logs
  • 4.5.6. OpenStack logs
• 4.6. External Tools
  • 4.6.1. strace