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Cisco Bug: CSCvs20038 - qos softmax setting doesn't take effect on Catalyst switch in Openflow mode

Last Modified

Sep 01, 2020

Products (29)

  • Cisco Catalyst 9300 Series Switches
  • Cisco Catalyst 9300-48T-A Switch
  • Cisco Catalyst 9300-48UN-A Switch
  • Cisco Catalyst 9300-48P-A Switch
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst C9500-16X-E Switch
  • Cisco Catalyst C9500-12Q-A Switch
  • Cisco Catalyst 9300-24T-A Switch
  • Cisco Catalyst C9500-16X-A Switch
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Known Affected Releases

16.12.1

Description (partial)

Symptom:
- Configuring qos softmax buffer multiplier has no effect while Catalyst switch in Openflow mode


Openflow_Switch#show platform hardware fed switch active qos queue config interface g1/0/1         
Asic:0 Core:1 DATA Port:0 GPN:1 LinkSpeed:0x1
AFD:Disabled FlatAFD:Disabled QoSMap:0 HW Queues: 0 - 7
  DrainFast:Disabled PortSoftStart:2 - 1800  
   DTS  Hardmax  Softmax   PortSMin  GlblSMin  PortStEnd   QEnable
  ----- --------  --------  --------  --------  ---------  -------
0   1  2   200   3   800  19   475   0     0   3  2400      En
1   1  0     0   4  1200  19   712   8   300   3  2400      En


Openflow_Switch(config)#do sh run | sec qos
Openflow_Switch(config)#

Openflow_Switch(config)#qos queue-softmax-multiplier 1200
Openflow_Switch(config)#end


Openflow_Switch#show platform hardware fed switch active qos queue config interface g1/0/1         
Asic:0 Core:1 DATA Port:0 GPN:1 LinkSpeed:0x1
AFD:Disabled FlatAFD:Disabled QoSMap:0 HW Queues: 0 - 7
  DrainFast:Disabled PortSoftStart:2 - 1800  
   DTS  Hardmax  Softmax   PortSMin  GlblSMin  PortStEnd   QEnable
  ----- --------  --------  --------  --------  ---------  -------
0   1  2   200   3   800  19   475   0     0   3  2400      En
1   1  0     0   4  1200  19   712   8   300   3  2400      En

Conditions:
- Catalyst switch running in openflow mode
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