When troubleshooting network infrastructure issues, consider these steps: Check physical connections: Ensure all cables are properly connected and not damaged. Power cycle devices: Try restarting network devices, such as routers or switches, as it can resolve temporary issues. Verify network settings: Double-check IP configurations, subnet masks, and DNS settings to ensure they are correctly configured. Ping and trace routes: Use network diagnostic tools like ping or traceroute to test connectivity and identify potential issues. Review logs and error messages: Analyze system logs and error messages to pinpoint specific problems or error codes. Collaborate with IT professionals: Seek assistance from network administrators or IT support to troubleshoot complex issues or seek guidance for advanced configurations.