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Cisco Bug: CSCun00302 - Incorrect QoS programming after ISSU 4.2.8 => 5.2.7

Last Modified

Dec 02, 2014

Products (4)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

4.2(8) 5.2(7)

Description (partial)

Symptom:
After software upgrade via ISSU from 4.2.8 => 5.2.7 observed that configured QoS policy-map values are different from being programmed: 

Nexus# show queueing interface e1/1

--- snip ---

Configured queue-limit ratios
      queue-limit ratios:     70[1p7q4t-out-q-default] 5[1p7q4t-out-q2] 1[1p7q4t-out-q3] !!! -> 5[1p7q4t-out-q4] 10[1p7q4t-out-q5] 2[1p7q4t
-out-q6] 2[1p7q4t-out-q7] 5[1p7q4t-out-pq1]
   Queue-limit ratios currently available in HW
      queue-limit ratios:     77[1p7q4t-out-q-default] 1[1p7q4t-out-q2] 1[1p7q4t-out-q3] !!! -> 1[1p7q4t-out-q4] 1[1p7q4t-out-q5] 1[1p7q4t-
out-q6] 1[1p7q4t-out-q7] 17[1p7q4t-out-pq1]

Conditions:
Software upgrade via ISSU from 4.2.8 => 5.2.7
Issue observed on M1 cards
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