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Cisco Bug: CSCuq83491 - 5548UP timeout drops not showing up under output discards

Last Modified

Sep 19, 2019

Products (12)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5696Q Switch
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Known Affected Releases

7.0(2)N1(1) 7.1(4)N1(1)

Description (partial)

Timeout discards(drops) are not being counted as output discards on the fc interface. The "discards" counter will not include any frames discarded due to them reaching the congestion-drop threshold.
5548-2# show int fc2/1
fc2/1 is up
    Hardware is Fibre Channel, SFP is short wave laser w/o OFC (SN)
    Port WWN is 20:41:54:7f:ee:d9:4c:80
    Admin port mode is F, trunk mode is off
      800 frames output, 1703820 bytes
        0 discards, 0 errors                       <<<<< Output discards are listed as 0
      0 input OLS, 0 LRR, 0 NOS, 0 loop inits
      1 output OLS, 1 LRR, 0 NOS, 0 loop inits
    last clearing of "show interface" counters never
      16 receive B2B credit remaining
      66 transmit B2B credit remaining
      0 low priority transmit B2B credit remaining
    Interface last changed at Thu Aug  9 23:59:58 2018

Applies to NX-OS 7.x releases and above.
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