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Cisco Bug: CSCur36353 - Feature request for disable FCoE feature and QoS classes

Last Modified

Sep 11, 2019

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

2.2(3b)A

Description (partial)

Symptom:
Feature requests to disable FCoE and class configuration so that we can return FCoE ingress cell to buffer pool.

Conditions:
No feature fcoe
system qos
no service-policy type queuing input fcoe-default-in-policy
no service-policy type queuing output fcoe-default-out-policy
no service-policy type qos input fcoe-default-in-policy
no service-policy type network-qos fcoe-default-nq-policy

So that end result like following:
SC-N5K-1# sh platform software qd info 
System info:
cells 620, sup_hi_cos 7, sup_hi_ext_to_int 7, drop_cos_map 0xff
cos2class-id[7-0]      :  3 3 3 3  3 3 3 3
pfc-cos2class-bmap[7-0]: 08080808 08080808
cls|flag|pause|d_qsize|mtuT|mtuS|icells|ecells|mc|cosM|grpM
  0|0x00|  0  |      0|   0|1500|     0|     0| 0|0x00|0x00
  1|0x07|  0  |      0|   0|9216|   118|    62| 0|0x00|0x00
  2|0x07|  0  |      0|   0|9216|   174|    62| 0|0x80|0x00
  3|0x05|  0  |      0|   0|1500|  2936|     0| 1|0xff|0x01   <====== Higher ingress cell allocated after disable fcoe and remove the class
  4|0x00|  0  |      0|   0|1500|     0|     0| 0|0x00|0x00
  5|0x00|  0  |      0|   0|1500|     0|     0| 0|0x00|0x00
  6|0x00|  0  |      0|   0|1500|     0|     0| 0|0x00|0x00
  7|0x00|  0  |      0|   0|1500|     0|     0| 0|0x00|0x00
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