How to check low health score in the SCM portal of Prisma SD-WAN?

How to check low health score in the SCM portal of Prisma SD-WAN?

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Created On 01/19/25 05:32 AM - Last Modified 10/21/25 20:05 PM


Symptom


  • UI shows low health score
  • The packet loss is less than 0.1%
  • Latency and Jitter value is good

Environment


  • Prisma SD-WAN
  • ION Devices
  • Strata Cloud Manager (SCM)

Cause


  • The circuit's health score is calculated on a per-path basis, factoring in various elements such as ingress packet loss, egress packet loss, and round-trip time (RTT).
  • The scoring mechanism takes into consideration both the circuit's load and its baseline, resulting in a more precise assessment of its health. 
  • To illustrate, consider a 100Mbps circuit: when it operates without any load but experiences 1% packet loss, its score will noticeably differ from the same circuit running at 100% load with 2% packet loss.
  • This discrepancy in scores reflects our evaluation of circuit performance expectations during increased capacity utilization.

Resolution


  1. This is an expected behavior.
  2. ION need more data traffic to calculate the realistic number.

Additional Information


NA
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