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Brocade switch port online and report low Rx due to faulty switch end SFP

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

Applies to

Brocade switch

Issue

  • Lox Rx reported on  the switch port

RX Power:    -9.1    dBm (122.7uW)
TX Power:    -1.3    dBm (736.1 uW)

  • CRC and CRC G_EOF are reported along with pcs error

/fabos/cliexec/porterrshow :
          frames        enc     crc     crc     too     too     bad     enc    disc    link    loss    loss    frjt    fbsy     c3timeout     pcs      uncor
        tx       rx      in     err     g_eof   shrt    long    eof     out    c3      fail    sync    sig                      tx      rx      err     err
   8:    1.6t  463.1g    0      48.5k   47.8k    2       0     674       0     467      12       0      17       0       0       0       0     489       0

  • DB instances are getting failed  and failed over to redundant node
  • Below troubleshooting steps can be performed before proceeding to the solution:
    • End to end cable testing, replace the cable if its faulty 
    • Replace the host end SFP 
 

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