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Cisco Bug: CSCus82386 - C3850-12S-E - duplex configuration is lost when removing/inserting SFP

Last Modified

Feb 09, 2017

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases


Description (partial)

After replacing the SFP GLC-GE-100FX with an old unsupported GLC-FE-100FX, the port config is losing the "duplex full" statement and the SFP is not recognized by the C3850.

Port on C3850-12S-E is equipped with SFP GLC-GE-100FX, duplex full is configured, link is up and running
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