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Cisco Bug: CSCvi48995 - On mGig SKU (downlink ports) - Link down with forced speed100/full duplex on both ends

Last Modified

May 02, 2018

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

16.6.4

Description (partial)

Symptom:
A link won't come up or remain up when a device forced at 100 Mbps FDX is connected to a switch port(downlink port) with forced 100 Mbps FDX.

Conditions:
This was seen on a Cat9300 running 16.6.2. Upgrade to 16.6.3 didn't fix the issue.
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