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The TX Power of QSFP optics cannot be viewed in "show media"

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TitleThe TX Power of QSFP optics cannot be viewed in "show media"
Symptoms
The TX Power of QSFP optics cannot be viewed in "show media". Instead of a number, "N/A" is displayed.
Environment
  • VDX6740
  • 40G-QSFP-SR4, 40G-QSFP-SR4-INT, 40G-QSFP-SR-BIDI, or other 40G QSFP optics
Cause
When "N/A" is displayed in the output of "show media", it means the optic in question does not support monitoring of the value.
Resolution
40G QSFP optics in general do not support the monitoring of TX Power. Specifically, 40G-QSFP-SR4 and 40G-QSFP-SR4-INT optics do not support the monitoring of TX Power. 40G-QSFP-SR-BIDI optics do not support the monitoring of Temperature, Voltage, Current, TX Power, or RX Power.
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