Cisco MDS:%PORT-4-TRANSCEIVER_DUPLICATE_WARNING
Summary: Customer received duplicate transceiver warning after swapping SFP.
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Symptoms
2024 Sep 8 16:30:30 switch01 %PORT-4-TRANSCEIVER_DUPLICATE_WARNING: Transceivers for Interfaces (fc4/25 fc4/27) contain duplicate Serial numbers (FNSxxxxxxxx)
2024 Sep 15 16:30:21 switch01 %PORT-4-TRANSCEIVER_DUPLICATE_WARNING: Transceivers for Interfaces (fc4/25 fc4/27) contain duplicate Serial numbers (FNSxxxxxxxx)Cause
To prevent this problem from happening, insert or remove one SFP at a time waiting at least two s before inserting or removing another SFP.
Resolution
If this problem has already happened, Non-disruptively reload the linecard to recover.
reload module x non-disruptive
Affected Products
Connectrix, Connectrix MDS-Series HardwareProducts
VxBlock and Vblock Systems, Connectrix MDS-9710-V2, Connectrix MDS-Series Firmware, Connectrix MDS-Series Firmware 9.XArticle Properties
Article Number: 000239404
Article Type: Solution
Last Modified: 19 May 2025
Version: 1
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