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TX power of SFP is low

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

Brocade switches

Issue

  • sfpshow indicates that TX power of SFP is lower than the recommended range.

Port 20:
=============
Identifier:  3    SFP
Connector:   7    LC
Transceiver: 6804404000000000 8,16,32_Gbps M5 sw Short_dist
[..]
Vendor Name: BROCADE         
Vendor OUI:  00:05:1e
Vendor PN:   57-1000333-01   
[..]
Current:     6.572   mAmps 
Voltage:     3331.3  mVolts 
RX Power:    -2.6    dBm (552.8uW) 
TX Power:    -7.1    dBm (196.9 uW) 

  • ​​​​​​The porterrshow report  CRCs, PCS errors , C3 timeouts along with link fail and loss sig
  • Port shows as port_flt and disabled
  • errdump may report the port as faulted
    •  [PORT-1003], 3018345, SLOT 2 | FID 128 | PORT 4/18, WARNING, ,<Switch>, Port 146 Faulted because of many Link Failures.

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