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Troubleshooting Guide

This guide provides solutions for common issues you may encounter with your USDN tunnels and network connections.

Quick Diagnostics​

Connection Status Check​

  1. Verify tunnel status in dashboard
  2. Check endpoint connectivity
  3. Review error messages
  4. Validate configurations

Basic Tests​

  1. Ping test:

    ping remote-endpoint

  2. Traceroute:

    traceroute remote-endpoint

  3. DNS resolution:

    nslookup remote-endpoint

Common Issues​

Connection Problems​

No Connectivity​

  1. Check physical connections
  2. Verify network settings
  3. Review firewall rules
  4. Validate authentication

Intermittent Connection​

  1. Monitor packet loss
  2. Check bandwidth usage
  3. Review error logs
  4. Test connection stability

Performance Issues​

High Latency​

  1. Run latency tests
  2. Check network congestion
  3. Review QoS settings
  4. Monitor bandwidth usage

Low Bandwidth​

  1. Run speed tests
  2. Check bandwidth limits
  3. Review traffic patterns
  4. Verify QoS settings

Advanced Troubleshooting​

Network Analysis​

  1. Packet capture analysis
  2. Protocol debugging
  3. Traffic pattern review
  4. Performance profiling

Security Verification​

  1. Authentication logs
  2. Encryption status
  3. Certificate validation
  4. Policy compliance

Error Messages​

Common Error Codes​

  1. Authentication failures
  2. Configuration errors
  3. Network timeouts
  4. Protocol errors

Resolution Steps​

  1. Identify error type
  2. Check documentation
  3. Apply fix
  4. Verify solution

Maintenance Issues​

Configuration Problems​

  1. Version mismatch
  2. Invalid settings
  3. Corrupted configs
  4. Update failures

Hardware Issues​

  1. Device failures
  2. Resource exhaustion
  3. Compatibility problems
  4. Performance degradation

Performance Optimization​

Bandwidth Optimization​

  1. Traffic prioritization
  2. Compression settings
  3. Protocol tuning
  4. Cache configuration

Latency Reduction​

  1. Route optimization
  2. Protocol selection
  3. Buffer settings
  4. QoS configuration

Security Issues​

Authentication Problems​

  1. Credential issues
  2. Certificate errors
  3. Key management
  4. Policy conflicts

Encryption Issues​

  1. Protocol errors
  2. Key exchange problems
  3. Cipher mismatches
  4. Version incompatibility

Recovery Procedures​

Emergency Recovery​

  1. Backup restoration
  2. Configuration reset
  3. Service restart
  4. Failover activation

Data Recovery​

  1. Backup verification
  2. Data restoration
  3. Configuration recovery
  4. Service validation

Preventive Measures​

Regular Maintenance​

  1. Configuration backups
  2. Software updates
  3. Security patches
  4. Performance monitoring

Best Practices​

  1. Documentation
  2. Change control
  3. Testing procedures
  4. Monitoring setup

Escalation Procedures​

When to Escalate​

  1. Critical failures
  2. Security incidents
  3. Performance degradation
  4. Compliance issues

Escalation Process​

  1. Initial report
  2. Problem description
  3. Attempted solutions
  4. Impact assessment

Need Help?​

If you need assistance with troubleshooting:

  1. Review our Support and Escalation Levels to understand available support options
  2. Contact support through the Support Portal
  3. Schedule a consultation with our Professional Services team
  4. For critical issues, Enterprise and Premium customers have access to 24/7 support