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Cisco Bug: CSCvv63505 - C3850 when peer is speed/duplex fixed 3850 will up by half duplex even if full duplex fixed

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

16.12.4

Description (partial)

Symptom:
This is a document DDTS not bug.

When the other side is none poe device and Duplex full/speed 100 fixed,
3850 will be up by half-duplex, even if 3850 duplex full fixed.
It is an expected behavior. It will be up by full-duplex by adding fixed speed in 3850.

If the other side is just Duplex full fixed or speed 100 fixed or auto/auto,
3850 which is full duplex fixed will be up by full-duplex.

Conditions:
none
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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