Network troubleshooting involves identifying, diagnosing, and resolving network connectivity and performance issues.
- Check physical connections (cables, ports, LEDs)
- Restart devices (PC, router, switch)
- Verify IP configuration (IP address, gateway, DNS)
- Test connectivity using
ping and tracert
- Check firewall and security rules
- Analyze logs and error messages
- Use tools like
ipconfig, netstat, nslookup
- Isolate the problem by testing different devices or networks
- Follow a step-by-step approach
- Document issues and solutions
- Apply changes one at a time
- Monitor network after fixes