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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Common Causes

Common Causes

The fault symptom may be any of the following:
  • Traffic shaping does not take effect.
  • The CIR value for traffic shaping in queues cannot be reached.
This fault is commonly caused by one of the following:
  • Traffic shaping parameters are set incorrectly.
  • The CIR value for traffic shaping on an interface is smaller than the sum of CIR values for traffic shaping in queues on the interface. As a result, the bandwidth of traffic shaping in queues cannot be ensured.
  • Packets do not enter queues configured with traffic shaping because the configuration is incorrect. For example, priority mapping is incorrect.
  • Each queue uses the combined scheduling mode and excess packets enter Priority Queuing (PQ) queues. As a result, other queues cannot obtain sufficient bandwidth.
Updated: 2020-01-07

Document ID: EDOC1000060766

Views: 604003

Downloads: 2938

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