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Cisco Bug: CSCvt35866 - 1G GLC-T DAD link wont come up in 16.12.3, works fine 16.12.2 and 17.1.1

Last Modified

Sep 14, 2020

Products (1)

  • Cisco Catalyst 9500H Series Switches

Known Affected Releases

16.12.3

Description (partial)

Symptom:
1G Copper DAD links wont come up in 16.12.3, works fine with 16.12.2 and 17.1.1 OR 17.2.1
Issue is specific to 1G Copper for DAD links only on 16.12.3
Issue is not seen on 1G Optic DAD links on 16.12.3
Issue is not applicable for 1G SFPs for non DAD links

Conditions:
This issue is specific to 1G Copper SFPs being used on Stack wise Virtual Dynamic Active Detection (DAD) link.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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