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3560CG reduction in QoS input queues

fowler.david
Level 1
Level 1

Hi,

 

Please could someone give me some guidance on the input queuing model on the WS-C3560CG-8PC-S switches? It seems that Cisco have reduced the configurable SRR Queues from 2 to 1 for this particular model though there is no documentation at all from Cisco (confirmed via a TAC case raised on the issue).

 

As a comparison, the WS-C3560C-8PC-S has an output for 'show mls qos input-queue' where as the WS-C3560CG-8PC-S does not have the command available.

 

WS-C3560C-8PC-S

 

C3560C#sh mls qos ?
  aggregate-policer  aggregate-policer keyword
  input-queue        input-queue keyword
  interface          interface keyword
  maps               maps keyword
  queue-set          queue-set keyword
  vlan               VLAN keyword
  |                  Output modifiers
  <cr>

 

C3560C#sh mls qos input-queue
Queue     :       1       2
----------------------------------------------
buffers   :      90      10
bandwidth :      70      30
priority  :       0      30
threshold1:      80     100
threshold2:      90     100

C3560C(config)#mls qos srr-queue ?
  input   input keyword
  output  output keyword

 

WS-C3560CG-8PC-S

 

C3560CG#sh mls qos ?
  aggregate-policer  aggregate-policer keyword
  interface          interface keyword
  maps               maps keyword
  queue-set          queue-set keyword
  vlan               VLAN keyword
  |                  Output modifiers
  <cr>

 

CUR-SW05(config)#mls qos srr-queue ?
  output  output keyword

 

Several internet searches and Cisco Support and Community Forums have revealed nothing about this. Am I missing something obvious??

 

Thanks in advance,

 

David

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