SG500X and SFP 1GBit
New firmware release version 1.3.0.62 contain a bug and with 1Gbit SFP inserted into XG ports, cause a fatal error and switch continues reboot itself. Downgrade to 1.2.9.44
Category «Cisco»
Forcing A Cisco Catalyst Switch To Use 3rd Party SFP Modules
If you’ve just replaced your network switches and tried using any 3rd party SFPs to connect your network backbone, you’ll quickly stumble across an error similar to the following: %PHY-4-UNSUPPORTED_TRANSCEIVER: Unsupported transceiver found in Gi1/0/0 %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port 65538 has bad crc Congratulations! The Catalyst switch has just disabled the GBIC port! This happens …