Cisco Bug: CSCua80807 - GBIC's not recognized after using "reload" command
Feb 11, 2018
- Cisco Catalyst 4000 Series Switches
Known Affected Releases
12.2(54)SG 15.0(2)SG 15.1(1)SG 15.1(2)SG3.0.97
Symptom: The interface status is in "Unknown GBIC" after rebooting the switch using the command "reload" and while inserting SFP on these ports the link won't come up and the status will become "No X2". Upon removing the X2 the status goes back to "Unknown GBIC" and we see the following error message, %C4K_TRANSCEIVERMAN-3-SEEPROMREADFAILED: Failed to read transceiver serial eeprom on port Gi3/13, try reinserting Conditions: 4900M switch running 12.2(54)SG, 15.0.(2)SG or 15.1(1)SG. Should have WS-X4908-10GE module CVR-X2-SFP twin gig converter installed and the ports are converted to Gig.
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