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SFP Resolution guide

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Applies to

  • Small form-factor pluggable (SFP)
  • Brocade switches
  • Cisco switches
  • AFF
  • FAS
  • E-Series

Answer

This article contains Solution and How-to KBs for SFP issues.

The article describes how to interpret the level of optical signal strength of the SFP for Brocade FC switches Normal range of SFP optical power level for brocade
The article describes how to interpret the level of optical signal strength of the SFP SFP power value close to lower limit on storage
The article describes the scenario when the SFP with the weak optical signal causes loss of access to LUNs intermittently Host lost access to LUNs due to faulty SFP
The article provides troubleshooting steps of a switch port with no light from SFP No light from SFP
The article provides steps to troubleshoot and identify faulty SFP or cable in Cisco FC switches. Bad SFPs in Cisco switches
The article describes the scenario when 10G/25G onboard port not reading SFP information SFP info not available on AFF array

 

 

The article describes how to interpret porterrshow output from a Brocade switch What is the information given from a portErrShow output on a Brocade switch?
The article provides a cross-reference table for SFP+ copper ethernet cables and corresponding NetApp part numbers How to determine the NetApp part number for SFP+ Ethernet cables
This article describes the procedure to determine the NetApp part number for Brocade switches How to determine the NetApp part number for Brocade and NetApp SFPs
The article describes how to determine faulty cable and/or SFP in Brocade switch How to determine whether the SFP or Cable is faulty on a Brocade switch
The article provides steps on how to monitor Brocade SFPs for hardware failures using MAPS How to monitor Brocade 16GB and 32GB SFPs for any hardware failures using MAPS
The article describes sfpshow command to determine and troubleshoot an SFP in Brocade switch How to utilize the 'sfpshow' output of a Brocade Switch to determine if an SFP is faulty
The article describes the procedure to find the correct part number of the SFP for replacement in an E-Series system How to order the correct replacement part for a failed SFP
The article describes how to use a command or AutoSupport for viewing optical power on Ethernet SFPs How to view SFP optical power for Ethernet connections
This article describes how to troubleshoot laser faults on Brocade switches Brocade SFP reports Laser_Flt error due to faulty switch end sfp

 

Additional Information

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