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Brocade switch with c3 errors on port

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Applies to

Brocade Fabric Switches

Issue

  • The output of porterrshow  indicates enc in, crc err, crc g_eof, bad eof, enc out, disc c3 and c3 timeout TX error counters.

          frames      enc    crc    crc    too    too    bad    enc   disc   link   loss   loss   frjt   fbsy  c3timeout
       tx     rx      in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig                 tx    rx
     =======================================================================================================================
  7:    2.4m   6.3m  76.9k  42.5k  42.3k   0      0    208      1.0g  39      0      0      0      0      0     20      0

  • Only proceed with the solution after completing the troubleshooting steps below.
    • Reseat and clean the cable at both ends, including the patch panel.
    • Reseat the SFPs on both ends.

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