Symptom

3rd-party SFP-10G-SR reported as "Unsupported transceiver": ETHPORT-3-IF_UNSUPPORTED_TRANSCEIVER Transceiver on interface Ethernet2/1 is not supported To verify if its the same issue module-7# sh hard int transceiver ins 0 sprom raw +------------------------------------------------------------------------------- | Get sprom/dom data for XCVR_USD Driver SPROM in raw format: ------------------- Comment Addr Value ------- ---- ----- Identifier 0 03 Ext. Identifier 1 04 Connector Type 2 07 10G Ethernet Compliance Code 3 00 ESCON/SONET Compliance Code 4 00 00 Ethernet Compliance Code 6 00 Transceiver (Fibre Channel) 7 40 >>>>> Having 7,8 and 9th bytes programmed with any non-zero number will result in this bug. Transceiver (Fibre Channel) 8 40 Transceiver (Fibre Channel) 9 0c Transceiver (Fibre Channel) 10 80

Conditions

This is observed on a Nexus 7000 or 7700 port running a 6.2(8) release.Its not seen in any other releases before 6.2.8 . Its fixed in 6.2.10 It is applicable for all LCs and only affects some of the 3rd party transceivers.

Workaround

Use a Cisco Transceiver.

Further Problem Description