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MultiRDY and link reset seen on Brocade FC switch port

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fabric-interconnect-and-management-switches
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brocade
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Applies to

  • Brocade Fibre Channel (FC) switch
  • FOS v9.x

Issue

  • MultiRDY and LinkReset events observed on host-connected switch port on Brocade switch.

2026/08/09-07:31:49 (IST), [C5-1040], 11588, SLOT 1 | CHASSIS | PORT 6/13, WARNING, xx-xxx-xx, Multi RDY/Frame Loss detected on Slot 6, Port xx(1x) m_rdy(0x0)/m_frame(0x1). Link Reset done.

  • Physical-layer errors detected such as CRC, bad EOF, link failure, loss of signal, and uncorrectable errors.

          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
 301:   36.0m   19.0m    0       1       0       0       0       1       0       0       1       0       1       0       0       0       0       0      60    

  • Port flapping and link resets observed in logs
  • SFP Rx & Tx values on the port are optimal.
  • Clear the stats and monitor for 24hrs to see if errors are increasing

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