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C3 discards reported on ISL ports due to unroutable or invalid Area/Domain frames

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506
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Category:
fabric-interconnect-and-management-switches
Specialty:
san
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Applies to

  • Brocade Switch
  • All Fabric FOS

Issue

  • Porterrshow reports c3 discards on E-port without any c3 timeouts or any other errors.

/fabos/bin/switchshow :
Index Slot Port Address Media Speed State Proto
============================================================
80 10 0 5d5040 id 32G Online FC E-Port 10:00:88:94:71:a2:67:e0 "CDVL_X6_91_FAB1" (upstream)(Trunk master)

/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
80:   50.5m   4.0m   0      0      0      0      0      0      0     37      0      0      0      0      0      0      0      0      0

 

  • Portstatsshow shows er_unroutable and disc_inv_dom_egid_txpt frames.


portstatsshow 80
er_unroutable              43                  Frames that are unroutable
er_unreachable             0                   Frame with unreachable destination
er_other_discard           43                  Other discards
disc_inv_dom_egid_txpt     43                  Invalid Domain/Area

 

 

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