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Cisco Bug: CSCvu74755 - DiagPhyLoopbackTest failing on C9200 mGig switch

Last Modified

Oct 05, 2020

Products (1)

  • Cisco Catalyst 9200 Series Switches

Known Affected Releases

16.12 17.1.1 17.3.1 17.4.1

Description (partial)

When DiagPhyLoopbackTest  test is run, it fails for all the downlink and uplink ports.

The change is in common code for multiple cat9k platforms (9200, 9300, 9500, 9400). Although its a corner case and but can impact all mentioned platforms.
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