Dell Brocade 6520 Message Reference Supporting Fabric OS v7.1.0 - Page 500

5 FW-1242 Recommended Action No action is required. Respond to this message as is appropriate to the particular policy of the end-user installation. A low number of CRC errors means that the fabric is functioning normally. The CRC error area of the end-to-end performance monitor class helps you tune the fabric. To reduce CRC messages, experiment with alternative topologies and cabling schemes. FW-1242 Message , is above high boundary(High=, Low=). Current value is . Message Type LOG Severity WARNING Probable Cause Indicates that the number of end-to-end cyclic redundancy check (CRC) errors has risen above the high boundary. Invalid CRC messages occur when the number of CRC errors in Fibre Channel frames for specific source ID (S_ID) and destination ID (D_ID) pairs change. These messages might also be caused by dirty equipment, temperature fluctuations, and aging equipment. Recommended Action The CRC error area of the end-to-end performance monitor class helps you tune the fabric. To reduce CRC errors, experiment with alternative topologies and cabling schemes. Clean equipment, check temperatures, and replace old hardware. FW-1243 Message , is between high and low boundaries(High=, Low=). Current value is . Message Type LOG Severity INFO Probable Cause Indicates that the number of end-to-end cyclic redundancy check (CRC) errors has changed from a value outside of the acceptable range to a value within the acceptable range. Invalid CRC messages occur when the number of CRC errors in Fibre Channel frames for specific source ID (S_ID) and destination ID (D_ID) pairs change. These messages might also be caused by dirty equipment, temperature fluctuations, and aging equipment. Recommended Action No action is required. Respond to this message as is appropriate to the particular policy of the end-user installation. 478 Fabric OS Message Reference 53-1002749-01