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Cisco Bug: CSCvs78413 - 16.9.5: 100BaseFX SFP speed duplex default setting inconsistent with other 16.9.x release

Last Modified

Jun 10, 2020

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

cEdge-16.9.5

Description (partial)

Symptom:
Cat9k switches with GLC-GE-100FX had default duplex settings set to HALF in software releases up to 16.09.04
starting from 16.09.05 the default duplex settings for GLC-GE-100FX is FULL duplex

Conditions:
Cat9k switch
GLC-GE-100FX transceiver
manual duplex settings being used on both sides of the fiber instead of leveraging autonegotiation
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