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How do you analyze packet loss causes in an SD-WAN environment?
Asked on Feb 11, 2026
Answer
Analyzing packet loss in an SD-WAN environment involves understanding the underlying network architecture and using specific tools and techniques to identify the root cause. SD-WAN solutions often include built-in monitoring and analytics features that can help pinpoint issues related to packet loss.
- Access the SD-WAN management console to review network performance metrics and logs.
- Identify the specific links or paths experiencing packet loss by examining latency, jitter, and throughput statistics.
- Use built-in diagnostic tools to perform path tests and packet captures, focusing on problematic segments.
- Check for configuration issues such as incorrect QoS settings, routing policies, or link saturation.
- Analyze external factors like ISP performance or physical link degradation that could contribute to packet loss.
Additional Comment:
- Ensure that all SD-WAN appliances and endpoints are running the latest firmware to avoid known bugs.
- Consider using third-party network monitoring tools for deeper insights if built-in analytics are insufficient.
- Regularly review and update SD-WAN policies to adapt to changing network conditions and traffic patterns.
- Collaborate with ISPs to verify that external links are performing optimally and meet SLA requirements.
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