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+# Troubleshooting
+
+Common issues and solutions when using PyVyOS.
+
+## Connection Issues
+
+**Cannot Connect:** Verify hostname/IP, network connectivity, API enabled, firewall rules, port number.
+
+**SSL Errors:** Use `verify=False` for dev (self-signed certs), install CA certs for production.
+
+## Authentication Problems
+
+**Invalid API Key:** Verify key is correct, check expiration, ensure permissions, regenerate if needed.
+
+## Configuration Errors
+
+**Invalid Path:** Verify path syntax matches VyOS tree, check path exists, use `retrieve_show_config` to inspect.
+
+**Not Applied:** Call `config_file_save()` after changes, check commit requirements, verify permissions.
+
+## Response Issues
+
+**Empty Results:** Check if path has data, verify syntax, try broader path.
+
+**Error Format:** Always check `response.error` first, inspect `response.status`, log full response.
+
+## Performance Issues
+
+**Timeouts:** Increase timeout parameter, check latency, verify device load, break into smaller operations.
+
+**Slow Operations:** Use `configure_multiple_op` for bulk, avoid short polling, consider async for multiple devices.
+
+## Environment Setup
+
+**Variables Not Loading:** Verify `.env` exists, check `load_dotenv()` call, match variable names, use defaults.
+
+## Debugging Tips
+
+```python
+# Enable verbose logging
+import logging
+logging.basicConfig(level=logging.DEBUG)
+
+# Inspect full response
+response = device.show(path=["system"])
+print(f"Status: {response.status}, Error: {response.error}")
+print(f"Result: {response.result}, Request: {response.request}")
+
+# Test connection
+response = device.show(path=["system", "host-name"])
+if response.error:
+    print(f"Connection issue: {response.error}")
+```
+
+## Getting Help
+
+- Check [API Reference](api-reference.md) for method details
+- Review [Examples](examples.md) for usage patterns
+- Open issue on [GitHub](https://github.com/vyos-contrib/pyvyos/issues)
+