Cisco Nexus 9000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory

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ACI Fabric Memory and CPU Utilization

This table contains the minimum and top scale memory usage per platform.

Model Memory Version Minimum Scale Usage Top Scale Usage
N9K-SUP-A (Spine Sup) 16 GB -- 11 GB
93180YC-EX 24 GB 2.3 10 GB 16 GB
93108TC-EX 24 GB 2.2 10 GB 16 GB
C93120TX 16 GB -- --
Others


ACI Mode Health Monitoring Threshold Guidelines

  • Healthy—50% to 60% utilization
  • Warning—Higher than 90%

Note: We recommend setting a warning at 85% as a safety measure. Memory repeatedly reaching ~90% indicates a possible issue.

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